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  • The Bee Frequency: How Does Lawn Mowing Affect Bee Populations?
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The Bee Frequency: How Does Lawn Mowing Affect Bee Populations?

  • Article
  • Middle School
  • 1 Classroom Period
  • Pollinators
  • Bees
  • Lawn Mowing
  • Native Habitat
  • Pollinator Garden
  • Pollinator Habitat
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Lawns are a common sight in the United States. The scientists in this study found previous research showing that lawns mowed frequently or treated with chemicals had limited flowering plants for pollinators. The scientists hypothesized that mowing less and providing fewer chemical treatments to lawns could increase the diversity of flowering plants. In turn, more flowering plants would improve the abundance of bees on lawns. They tested their hypothesis with this study.

The Bee Frequency: How Does Lawn Mowing Affect Bee Populations?

Jump To

  • Meet the Scientists
  • Thinking About Science
  • Thinking About the Environment
  • Introduction
  • Methods
  • Findings
  • Discussion

Meet the Scientists

Susannah Lerman

Ecologist | Wildlife Biologist

My favorite experience is discovering exciting birds and insects in our backyards and neighborhood parks. I spend a lot of time exploring local habitats and talking with neighbors about the... Read Full Bio

Alexandra Contosta

Soil Biogeochemist

One of my favorite science experiences happened during my first field ecology job. I was working for the USDA Forest Service in the White Mountains of New Hampshire and Maine.... Read Full Bio

Joan Milam

Melittologist

My favorite experiences are catching uncommon bees throughout North America with fellow bee scientists (called “melittologists”) and identifying them in my lab. I especially enjoy catching bees that collect pollen... Read Full Bio

What Kinds of Scientists Did This Research?

Research Ecologist: This scientist studies the relationship between living things and their living and nonliving environment.

Soil Biogeochemist: This scientist studies the interactions between the biotic (living) and abiotic (nonliving) components of soils.

Melittologist: This scientist studies bees.

Thinking About Science

Scientists use many different tools and technologies to complete research. They are increasingly using high-tech, computer-based instruments that require special knowledge or skills. However, not all scientific endeavors require high-tech equipment. Many sciences still use the same technologies that scientists used many years ago. For instance, scientists studying chemistry may still use beakers. Scientists have used beakers in chemistry since the 1800s, and modern beakers are similar to the ones used then.

Scientists may also use their creativity to find simple items at the grocery store that they can use for experiments. In this study, the scientists evaluated how mowing lawns affects bees. The easiest way to capture and learn about bees is to use inexpensive, disposable plastic bowls painted with bright, fluorescent colors that make the bowls resemble flowers. Soapy water inside the bowls prevented the bees from flying away before the scientists could identify and count them.

The scientific process requires a great deal of creativity. As you read this study, think about a question you want to investigate using the scientific process. What tools or technologies could you use to test your question?


Thinking About the Environment

Green, grassy lawns cover a large portion of the United States (figure 1). The scientists in this study found that grass lawns cover more than 400 million acres in the United States. That’s an area approximately equivalent to the State of Alaska, the largest State in the United States. You may see lawns at homes, at schools, near businesses, in parks, and at golf courses.

A sidewalk in a residential neighborhood. Lawns and street trees border the sidewalk.

Figure 1. Lawns are areas covered mostly in grass. Many lawns are small but, together, they cover a large part of the United States.

Courtesy photo by Michelle Andrews.

Lawns can be easy to maintain, attractive, and provide a good place to play or picnic. Chemical-free lawns can also be good for the environment. For instance, lawns can slow stormwater runoff, store carbon, and lower temperatures caused by the urban heat island effect. These benefits are especially important in urban and suburban areas with limited green space.

While lawns do have benefits, the scientists knew that most lawns are not an ideal habitat for many plants and animals. Keeping lawns looking good often requires chemical treatments that can pollute waterways and can also kill some pollinators. Lawns also require frequent mowing to maintain a tidy look. In fact, there are even some places in the United States where the law requires mowing! While mowing makes a lawn look neat, scientists know that frequent mowing can make it difficult for native plants and animals to survive (figure 2).

A freshly mown lawn in a residential neighborhood.

Figure 2A. Frequent mowing can lead to a lawn with fewer plant species. While it provides a tidy look that many people enjoy, a mowed lawn is not the ideal habitat for wildlife.

Courtesy photo by Jessica Nickelsen.

A residential lawn. The left half is mown; on the right half, the grass is tall.

Figure 2B. What differences do you notice between the freshly mowed lawn (left) and the unmown portions (right) of the lawn?

Courtesy photo by Jessica Nickelsen.

A close up photo of a lawn. Some of the grass is short. The taller plants are a mix of grass and clover.

Figure 2C. In this figure, again look closely to see the freshly mowed lawn (left) and the unmown lawn (right). What differences do you notice in this photo between the mowed lawn and the unmown portion? How does this photo compare to the photo in figure 2B?

Courtesy photo by Babs McDonald.


Introduction

Lawns are a common sight in the United States. As discussed in “Thinking About the Environment,” lawns can have both good and bad effects on the environment and on pollinators. Because humans find lawns so desirable, removing lawns altogether is not likely to happen.

The scientists found previous research showing that lawns mowed frequently or treated with chemicals had limited flowering plants for pollinators. Without frequent mowing and treatment with chemicals, however, lawns are home to numerous native, flowering plants (figure 3).

A house and a front lawn with one tree growing.

Figure 3. Lawns do not always provide a good habitat for pollinators, but lawns that are allowed to grow do have many flowering plants that wildlife can use.

USDA Forest Service photo by Susannah Lerman.

Pollinators are in decline across much of the United States. Therefore, the scientists determined that lawns with flowering plants could play an important role in providing habitat and food to pollinators (figure 4). This determination is especially important in suburban and urban areas where there isn’t a lot of natural pollinator habitat.

A bee on a clover flower.

Figure 4. Notice the pollinator enjoying the flowering plants in this lawn.

Courtesy photo by Babs McDonald.

The scientists hypothesized that mowing less and providing fewer chemical treatments to lawns could increase the diversity of flowering plants. In turn, more flowering plants would improve the abundance of bees on lawns.

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Methods

A map of the United States with an inset detail of Massachusetts and the city of Springfield.
Figure 5. Springfield is a small city in the northeastern United States. It is the third largest city in the State of Massachusetts. FIND Outdoors map by Carey Burda.

The scientists conducted their research in the city of Springfield, Massachusetts (figure 5). They chose 16 homes in the city that had similar lawns of approximately the same size. The lawns had no or limited flower gardens and were separated by at least 500 meters.

 

 

 

 

 

 

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The scientific team used a Toro 19-inch push mower (figure 6) to mow lawns from May through September during 2013 and 2014. They used the same mowing techniques and equipment for each lawn and left all grass clippings on the lawn after mowing.

A woman mows a residential lawn.

Figure 6. The scientists mowed each lawn with a basic lawn mower.

USDA Forest Service photo by Susannah Lerman.

To determine the impact mowing had on the 16 lawns, the scientists chose 1 of 3 mowing regimes:
• Mowed every 7 days (every week)
• Mowed every 12 to 14 days (every 2 weeks)
• Mowed every 18 to 21 days (every 3 weeks)

The scientists also sampled flowering plants and bees at each lawn 5 times per year, for a total of 10 times per lawn. All sampling took place before mowing. They identified and counted flowering plants, then added them up to calculate each lawn’s total floral abundance.

Three plastic bowls - one blue, one white, and one yellow.
Figure 7. Scientists left pan traps, like these colored bowls, on the lawns to collect bees for identification. Courtesy photo by Michelle Andrews.

To sample bees, the scientists strategically placed 30 plastic pan traps filled with soapy water across each lawn to catch the greatest number of bees (figure 7). They left the pan traps on each lawn for 24 hours.

 

 

 

 

 

 

 

 

 

Because pan traps often collected mostly small bees, the scientists also swept each yard with hand nets for 15 minutes to catch larger bees. They followed a standard process (figure 8) while sweeping with the hand net.

A hand net

Figure 8. A hand net (also called an aerial net) is lightweight; has a long, thin handle; sometimes has a flexible hoop; and includes a soft bag. These nets are ideal for collecting delicate specimens, including many pollinators like bees, moths, or butterflies. Scientists typically use this type of net to “scoop” insects from the air or off a plant, but they can also “pancake” the nets flat against the ground to catch insects on or near the ground.

Courtesy photo by Michelle Andrews.

The scientists brought the collected bees to a lab to wash, pin, identify, and label them, and then entered the information into a database (figure 9).

Boxes of pinned bees sorted by species

Figure 9. The scientists identified and pinned all the bees they collected. Identifying and pinning the bees enabled the scientists to visualize the different bee species that might be impacted by changing how people mow lawns.

Courtesy photo by Michelle Andrews.

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Findings

After 2 years of lawn mowing and 10 sampling events per lawn, the scientists collected a total of 4,587 bees. They identified a total of 93 bee species on the lawns and an additional 8 species as part of another study, for a total of 101 species. This represents about 25 percent of bee species recorded in Massachusetts.

Of those 93 species identified in the lawn mowing study, 10 species accounted for 78 percent of all 4,587 bees identified. The sweat bee (figure 10) was the most common type of bee found, accounting for 42 percent of all bees collected. During the same 2-year period, the scientists identified 54 different flowering plants and found another 11 unidentifiable plants.

A close-up of a pinned sweat bee

Figure 10. Sweat bees are a diverse group of bees. Some species are blue or green in color, like this green metallic sweat bee. As the name suggests, these bees are attracted to human sweat, which they eat for salt. Luckily, they are not aggressive toward humans unless they feel threatened.

U.S. Geological Survey Bee Monitoring and Inventory Lab photo by Wayne Boo.

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The lawns with the greatest diversity of bee species were those that scientists mowed weekly (table 1). However, these lawns also had many single captures. Single captures are bee species from which scientists only captured one bee over the course of the entire study, rather than bees that scientists caught frequently and in high numbers.

The lawns that had the greatest number of bees were those that scientists mowed once every 12 to 14 days (every 2 weeks). The scientists found that lawns mowed every 18 to 21 days (every 3 weeks) had significantly higher grass and 2½ times more flowers. Lastly, the scientists found that yard characteristics, such as lawn size or tree canopy cover, did not impact the abundance of bees or flowering plants.

Two graphs of study results. The left graph shows bee abundance with the different mowing frequencies. The graph on the right shows bee diversity across the different mowing frequencies.

Table 1. Those lawns mowed once every 7 days had a high diversity of bee species, but fewer total bees. Lawns mowed in the other regimes had a lower diversity of bee species, but more total bees.

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Discussion

The scientists believe the results of the study partially supported their hypothesis. Although lawns do not have the same habitat quality as a native habitat, people can manage lawns to provide more resources for bees. The scientists suggest a “lazy lawnmower” approach of mowing less frequently, with every 2 weeks as the sweet spot. Less frequent lawn mowing results in the growth of more flowering plants and increases the abundance of bees. Although the study results indicated a lower diversity of bee species when mowing less, the scientists believe a lower diversity of species would not impact the role of bees in the ecosystem.

These findings are important, as lawns are common across the United States. Those who have lawns in urban, suburban, and even rural areas can actively add flowers to gardens to attract bees. Even those without specially designed gardens can support bees by managing lawns to encourage spontaneous flower growth.

The scientists recognized that these results are limited because they include only one city from one region of the United States. Additionally, there may be barriers to acceptance of the “lazy lawnmower” approach. For one, many people simply prefer a tidy lawn that is easy to care for. The scientists also recognize that certain laws in some parts of the country prevent lawns with taller plants. However, the scientists believe the “lazy lawnmower” approach to lawn management is an easy and inexpensive method for improving urban and suburban areas for bees.

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Adapted from Lerman, S., et al. 2018. To Mow or to Mow Less: Lawn mowing frequency affects bee abundance and diversity suburban yards. Biological Conservation. 221:160-174.

Front cover of "The Bee Frequency" featuring a bee on a yellow flower and a photo of grass in the background.

Part Of

The Bee Frequency - Vol. 1 No. 23

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  • PDF preview for the FACTivity from "The Bee Frequency"
    In this FACTivity, we’ll demonstrate the pollination process and will see how effectively pollinators can move pollen between flowers. Materials: Roll of paper towels Markers Plastic Bowls Construction Paper (optional)...

    FACTivity – The Bee Frequency

    • Activity
    • Middle School
    • 1 Classroom Period
    • Pollinators
    • Experiment
    • Group Activity
    • Hands-on
    • Pollination
    In this FACTivity, we’ll demonstrate the pollination process and will see how effectively pollinators can move pollen between flowers. Materials: Roll of paper towels Markers Plastic Bowls Construction Paper (optional)...
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    The Bee Frequency: How Does Lawn Mowing Affect Bee Populations?

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  • A bee on a sign saying "This lawn is maintained for pollinator habitat!"
    Print this lawn sign to let your neighbors know that you’re mowing less and supporting pollinator habitat. The QR code directs to the Northern Research Station’s website where you can...

    Spotlight – Bee Proud Lawn Sign

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    • Lawn Sign
    • Pollinator Habitat
    Print this lawn sign to let your neighbors know that you’re mowing less and supporting pollinator habitat. The QR code directs to the Northern Research Station’s website where you can...
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    The Bee Frequency - Vol. 1 No. 23

  • A bee on a sign
    Use this sign to let your neighbors know – “We’re mowing less to improve pollinator habitat!” The QR code directs viewers to the Northern Research Station’s webpage where you can...

    Spotlight – Lazy Lawn Mower Alert Sign

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    • Pollinators
    • Lawn Sign
    • Pollinator Habitat
    Use this sign to let your neighbors know – “We’re mowing less to improve pollinator habitat!” The QR code directs viewers to the Northern Research Station’s webpage where you can...
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    The Bee Frequency - Vol. 1 No. 23

  • PDF Preview of What Is a Pollinator Garden?
    Even a small garden of native plants is enough to support a host of pollinator species. Learn more about how you can create your own pollinator garden.

    Spotlight – What Is a Pollinator Garden?

    • Spotlight
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    • Less than 30 minutes
    • Pollinators
    • Pollinator Garden
    • Pollinator Habitat
    Even a small garden of native plants is enough to support a host of pollinator species. Learn more about how you can create your own pollinator garden.
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    The Bee Frequency - Vol. 1 No. 23

Glossary

View All Glossary
  • abundance

    (ə bən dənt(s)): A large quantity; plenty.

  • anther

    (an(t) thǝr): The part of the stamen of a flower that produces and contains pollen and is usually borne on a stalk.

  • canopy

    (ka nə pē): A protective covering: such as, the uppermost spreading branchy layer of a forest.

  • cross-pollinate

    (krȯs pä lǝ nāt): To pollinate (a flower or plant) with pollen from another flower or plant.

  • fertilization

    (fǝr tǝ lǝ zā shǝn): The joining of an egg cell and a sperm cell (pollen in a plant) to form the first stage of an embryo (a seed in a plant).

  • floral

    (flȯr ǝl): Of, relating to, or depicting flowers.

  • hypothesize

    (hī pä thǝ sīz): To make an assumption or idea that is proposed for the sake of argument so that it can be tested to see if it might be true.

  • nectar

    (nek tǝr): In botany, a liquid made by the flowers of plants.

  • oligolege

    (ǝ lē gǝ lāj): Pollinator species which requires the pollen of a particular plant for development and survival.

  • parasitic

    (per ə si tik): Of or relating to parasites or their way of life; being a parasite, which is an organism living in, on, or with another organism in order to obtain nutrients, grow, or multiply often in a state that directly or indirectly harms the host.

  • pollen

    (pä lǝn): The tiny particles in the anthers of a flower that fertilize the seeds and usually appear as fine yellow dust

  • pollinator

    (pä lǝ nā tǝr): An agent (such as an insect) that pollinates flowers.

  • regime

    (rā zhēm or ri zhēm): A regular course of treatment.

  • stigma

    (stig mǝ): On the female flower, the sticky knob which collects pollen from pollinators.

  • urban heat island effect

    (ǝr bǝn hēt ī lǝnd ē fekt): An urban area that is significantly warmer than its surrounding rural areas due to human activities.

  • Susannah Lerman examining a bird

    Susannah Lerman

    Ecologist | Wildlife Biologist

    My favorite experience is discovering exciting birds and insects in our backyards and neighborhood parks. I spend a lot of time exploring local habitats and talking with neighbors about the...
    View Profile
  • Alexandra Contosta working in a forest

    Alexandra Contosta

    Soil Biogeochemist

    One of my favorite science experiences happened during my first field ecology job. I was working for the USDA Forest Service in the White Mountains of New Hampshire and Maine....
    View Profile
  • Joan Milam walking in a field holding a net

    Joan Milam

    Melittologist

    My favorite experiences are catching uncommon bees throughout North America with fellow bee scientists (called “melittologists”) and identifying them in my lab. I especially enjoy catching bees that collect pollen...
    View Profile

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Standards addressed in this Article:

The Next Generation Science Standards (NGSS) are a set of K-12 science education standards emphasizing inquiry-based learning, real-world applications, and integrating engineering practices, aiming to deepen understanding of science while promoting critical thinking and problem-solving skills.
  • ESS3.C-M1
    Human activities have significantly altered the biosphere, sometimes damaging or destroying natural habitats and causing the extinction of other species. But changes to Earth’s environments can have different impacts (negative and positive) for different living things.
  • ETS1.B-M2
    There are systematic processes for evaluating solutions with respect to how well they meet criteria and constraints of a problem.
  • LS2.A-M1
    Organisms, and populations of organisms, are dependent on their environmental interactions both with other living things and with nonliving factors.
  • LS2.A-M3
    Growth of organisms and population increases are limited by access to resources.
  • LS2.C-M1
    Ecosystems are dynamic in nature; their characteristics can vary over time. Disruptions to any physical or biological component of an ecosystem can lead to shifts in all its populations.
  • LS2.C-M2
    Biodiversity describes the variety of species found in Earth’s terrestrial and oceanic ecosystems. The completeness or integrity of an ecosystem’s biodiversity is often used as a measure of its health.
  • LS4.D-M1
    Changes in biodiversity can influence humans’ resources, such as food, energy, and medicines, as well as ecosystem services that humans rely on—for example, water purification and recycling.
The Common Core Standards are educational benchmarks in the United States that outline clear expectations for what students should know and be able to do in English language arts and mathematics from kindergarten through 12th grade, aiming to ensure consistency and coherence in education nationwide.
  • Cite specific textual evidence to support analysis of science and technical texts.
  • By the end of grade 8, read and comprehend science/technical texts in the grades 6-8 text complexity band independently and proficiently.
  • Determine the central ideas or conclusions of a text; provide an accurate summary of the text distinct from prior knowledge or opinions.
  • Follow precisely a multistep procedure when carrying out experiments, taking measurements, or performing technical tasks.
  • Determine the meaning of symbols, key terms, and other domain-specific words and phrases as they are used in a specific scientific or technical context relevant to grades 6-8 texts and topics.
  • Analyze the structure an author uses to organize a text, including how the major sections contribute to the whole and to an understanding of the topic.
  • Analyze the author's purpose in providing an explanation, describing a procedure, or discussing an experiment in a text.
  • Integrate quantitative or technical information expressed in words in a text with a version of that information expressed visually (e.g., in a flowchart, diagram, model, graph, or table).
  • Distinguish among facts, reasoned judgment based on research findings, and speculation in a text.
  • Compare and contrast the information gained from experiments, simulations, video, or multimedia sources with that gained from reading a text on the same topic.
Social Studies Standards are educational guidelines outlining the essential knowledge, skills, and concepts students should learn in subjects such as history, geography, civics, and economics, aiming to provide a comprehensive understanding of societal structures, historical events, and global perspectives.
  • People, Places, and Environments
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3 Natural Inquirer monograph covers.

 

A Natural Inquirer monograph is a short publication that focuses on a single research study. Monographs are written for a middle school audience, but they can also be adapted for both high school students and advanced upper elementary students.

Monographs include:

  • One article based on a published, peer-reviewed research paper; the article keeps the research paper format (see more below) but is written in language students can understand.
  • A FACTivity, which is an activity to complete after reading the article. The FACTivity helps reinforce major science concepts from the article. These activities are designed to be easy to implement, with few material requirements and options for adapting them for your audience or available resources. Some monograph may have two FACTivities.
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  • Standards correlations, including Next Generation Science Standards, addressed in both the article and the FACTivity.

Monographs may also include additional essays (called spotlights), other activities (like crossword puzzles or vocabulary challenges), and more.

 

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What's in a Natural Inquirer Article?

Here, we'll go into more detail about the parts of a Natural Inquirer article and give you some ideas about how they can be used.
  1. Meet the Scientists

    This section introduces the scientists (and others) who worked on the study. In their own words, they each share a memorable science experience, a favorite research project, or something they learned during the course of their education or research.

    Use this section to:

    • Introduce kids to the variety of people who work in science
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    Next Generation Science Standards (NGSS) applications:

    • Science and Engineering Practices
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    Note that specific standards for this particular monograph are linked on this educator guide tab.

    Other resources:

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    A sample Meet the Scientists page, showing four different scientists
  2. Thinking About Science

    This section briefly describes a concept about science or scientific research. This overview can touch on topics like

    • study type (longitudinal study, quantitative vs. qualitative data),
    • behaviors of scientists (conducting literature reviews, collaborating with other specialists, replicating earlier studies),
    • the practice of science (the scientific method, engineering design, data collection, randomization, controls and variables),
    • or other aspects of science (bias, correlation vs. causation).

    Use this section to:

    • Reinforce steps in the scientific method and the process of science
    • Encourage students to think about the practice of science and what it can and cannot tell us
    • Consider the many types of scientific study and what information each type can provide

    Next Generation Science Standards applications:

    • Science and Engineering Practices
    • Life Science Disciplinary Core Ideas (depending on topic)
    • Most Crosscutting Concepts (depending on topic)

    Note that specific standards for this particular monograph are linked on this educator guide tab.

    Other resources:

    You can use key words to search for other or related scientific topics on our website (e.g. “longitudinal study,” “bias,” or “sampling”).

    A sample Thinking About Science page from a recent monograph
  3. Thinking About the Environment

    This section provides a brief overview of a topic or concept in environmental/life science. The topic or concept is directly related to the research study that follows. Examples of topics include the carbon cycle, the water cycle, habitat fragmentation, phenology, biodiversity, and ecosystem services.

    Use this section to:

    • Provide important background information to help students understand the research study
    • Serve as a quick reference during reading or class instruction
    • Connect the research article with other activities or media on the same topic

    Next Generation Science Standards applications:

    • Life Science and some Earth Science Disciplinary Core Ideas (depending on topic)
    • Most Crosscutting Concepts (depending on topic)

    Note that specific standards for this particular monograph are linked on this educator guide tab.

    Other resources:

    You can use key words to search for more resources on life or earth science topics on our website (e.g. “habitat,” “carbon,” or “genetics”).

    A sample "Thinking About the Environment" section from a recent monograph
  4. Introduction

    This section begins the scientific article format. Much like the published, peer-reviewed study this article is based on, the introduction provides background information for the study – what is currently known and what remains unknown. The introduction culminates in the question(s) the study hopes to answer.

    The introduction is also the first section with a Reflection Section. This section includes two or three questions to help kids reflect on what they’ve just learned in the Introduction. If they are using the online distraction-free reading mode, they can answer these questions directly on the website.

    Use this section to:

    • Review important background information that kids need to understand the study
    • Connect the study to the concepts addressed in the Thinking About Science and Thinking About the Environment sections
    • Understand research questions and hypotheses, including generating their own hypotheses given what they already know

    Next Generation Science Standards applications:

    • Life Science and some Earth Science Disciplinary Core Ideas (depending on topic)
    • Most Crosscutting Concepts (depending on topic)

    Note that specific standards for this particular monograph are linked on this educator guide tab.

    Other resources:

    Use one of the guided reading lesson plans to help kids follow the format of a scientific paper.

    A sample introduction page from "Hidden in Plain Sight"
  5. Methods

    This section is the nuts and bolts of the study design – the who, what, when, where, why, and how of the research. Contained within the Methods section are usually maps of the study location or the set-up of study plots, as well as details about what data was collected and how.

    The Methods section also ends with a Reflection Section – two or three questions to help students think through what they just read. These questions are interactive on the distraction-free reading mode.

    Use this section to:

    • Show students how experiments and studies are designed and carried out
    • Explore sampling methods and randomization
    • Introduce various data collection tools (e.g. camera traps, surveys, insect collection tools, weather stations, etc.)
    • Explain bias and how studies are designed to remove bias
    • Help students gain experience with map reading

    Next Generation Science Standards applications:

    • Life Science and some Earth Science Disciplinary Core Ideas (depending on topic)
    • Most Crosscutting Concepts (depending on topic)

    Note that specific standards for this particular monograph are linked on this educator guide tab.

    Other resources:

    Many Methods and Findings sections contain Number Crunches, which are simple math exercises designed to help students interact with the data from the study.

    A sample methods section of a monograph article showing a map
  6. Findings

    This section summarizes the data collected during the study. The Findings section usually includes data tables or graphs and highlights the significant data points from the study. This section often mentions statistical analysis or the use of computer programs to model or analyze the data, though these methods are only discussed generally.

    The Findings section also ends with a Reflection Section – two or three questions to help students think through what they just read. These questions are interactive on the distraction-free reading mode.

    Use this section to:

    • Have students practice reading and interpreting graphs and tables
    • Compare results between variables and controls
    • Explain the concept of statistical significance
    • Discuss how no data or negative results still provide valuable information

    Next Generation Science Standards applications:

    • Life Science and some Earth Science Disciplinary Core Ideas (depending on topic)
    • Most Crosscutting Concepts (depending on topic)

    Note that specific standards for this particular monograph are linked on this educator guide tab.

    Other resources:

    Search the website for “map” or “graph” to find activities where students can practice making and reading maps and graphs.

    The beginning of a Findings section featuring a large data table
  7. Discussion

    This section concludes each monograph article. In it, we summarize the main findings of the scientists’ study. Additionally, we present the scientists’ ideas about the limitations of their study, the big-picture impacts of their research, and the scientists’ plans for future study or action.

    The Discussion section ends with a Reflection Section – two or three questions to help students think through what they just read, especially general take-aways from the study. These questions are interactive on the distraction-free reading mode.

    Use this section to:

    • Discuss what conclusions can and cannot be drawn from the available data
    • Explain the difference between correlation and causation
    • Explore study limitations and opportunities for further study
    • Brainstorm ways the study findings could be applied to real-world situations

    Next Generation Science Standards applications:

    • Life Science and some Earth Science Disciplinary Core Ideas (depending on topic)
    • Most Crosscutting Concepts (depending on topic)

    Note that specific standards for this particular monograph are linked on this educator guide tab.

    Other resources:

    Use the “Designing Your Own Study” resource page for videos of scientists discussing their own research studies. The page also includes educator resources to help students plan their own scientific studies.

    The beginning of the conclusion of "Hidden in Plain Sight"

Additional Resources on the Website

A screenshot of the product tabs for an NI monographOn the website, we pair each monograph with a variety of other resources, as well. Use the tabs on the product page to browse through the following:

  • Related activities, including the FACTivity for each article
  • An “About” essay that gives some larger context for the research the scientists conducted or more information about the science topic from the article
  • A glossary of all boldfaced terms from the article
  • A “Scientists and Collaborators” page that lists the people involved in the study; click on a researcher to reach their bio page and see what other articles they might be featured in
  • A “Related Content” page that lists both Natural Inquirer resources about similar topics and also outside reference materials

Article Selection and Review

Natural Inquirer partners with the USDA Forest Service, so we source research studies by Forest Service scientists that have been peer-reviewed and published in reputable journals. Some of our articles have also been created in collaboration with scientists from other Federal agencies, such as U.S. Geological Survey and the United Nations Food and Agriculture Organization, universities, and other non-profits.

All monograph articles are reviewed by scientists who conducted the original research study to verify scientific accuracy. Monographs are also reviewed by student editorial review boards of middle or high school students before publication. Additionally, all monographs are reviewed by the Forest Service and the U.S. Department of Agriculture before publication.

A screenshot of the citation for "Lights, Camera, Tracks"Every monograph article includes a citation of its source study. Many educators pair the original research paper with our article to help more advanced students learn how to read formal research papers. The monograph article then serves as adapted primary literature, bridging the two articles.

Lessons

  • PDF Preview of Lesson Plan for Flower Power
    Identify and write the main idea of the section using one sentence. Fill out the provided graphic organizer. This lesson plan can be used with any Natural Inquirer article.

    Lesson Plan – Block Graphic Organizer

    • Lesson Plan
    • High School
    • Middle School
    • 1 Classroom Period
    • Active Forest Management
    • Agriculture
    • Carbon
    • Citizen Science
    • Engineering and Forest Products
    • Fire
    • Insects
    • Pollinators
    • Pollution
    • Recreation
    • Social Science
    • Water
    • Wilderness
    • Wildlife
    • Graphic Organizer
    Identify and write the main idea of the section using one sentence. Fill out the provided graphic organizer. This lesson plan can be used with any Natural Inquirer article.
    • Explore Lesson Plan
    • Download Lesson Plan (PDF)
    • Explore Lesson Plan
    • Download Lesson Plan (PDF)

    Part Of

    Flower Power: Planting for the Past and the Future

  • PDF Preview of Summary Statements Lesson Plan
    In this lesson, students will increase their reading comprehension and summarization and explanation skills. Students will work in groups to share information about the Natural Inquirer article and assist with...

    Lesson Plan – Summary Statements

    • Lesson Plan
    • High School
    • Middle School
    • 2-3 Classroom Periods
    • Active Forest Management
    • Agriculture
    • Carbon
    • Citizen Science
    • Engineering and Forest Products
    • Fire
    • Insects
    • Pollinators
    • Pollution
    • Recreation
    • Social Science
    • Water
    • Wilderness
    • Wildlife
    • Graphic Organizer
    • Guided reading
    • Reading Comprehension
    • Reading for Information
    In this lesson, students will increase their reading comprehension and summarization and explanation skills. Students will work in groups to share information about the Natural Inquirer article and assist with...
    • Explore Lesson Plan
    • Download Lesson Plan (PDF)
    • Explore Lesson Plan
    • Download Lesson Plan (PDF)

    Part Of

    Time Out! How Much Time Do Kids Spend Outdoors?

  • PDF preview of 'Where There's Smoke' lesson plan.
    This lesson plan introduces students to the important components of a simple newspaper article and then has students write a newspaper article sharing information from a Natural Inquirer article. This...

    Lesson Plan – Newspaper Article

    • Lesson Plan
    • High School
    • Middle School
    • Upper Elementary
    • 2-3 Classroom Periods
    • Active Forest Management
    • Agriculture
    • Carbon
    • Citizen Science
    • Engineering and Forest Products
    • Fire
    • Insects
    • Pollinators
    • Pollution
    • Recreation
    • Social Science
    • Water
    • Wilderness
    • Wildlife
    • Guided reading
    • Informational Writing
    • Writing Activity
    This lesson plan introduces students to the important components of a simple newspaper article and then has students write a newspaper article sharing information from a Natural Inquirer article. This...
    • Explore Lesson Plan
    • Download Lesson Plan (PDF)
    • Explore Lesson Plan
    • Download Lesson Plan (PDF)

    Part Of

    Where There's Smoke, There's Fire (Time Warp Monograph Series) - Vol. 1 No. 14

Education Files

Project Learning Tree

If you are a trained Project Learning Tree educator, you may use “Charting Diversity” as an additional resource.

Jump To

  • Related from Natural Inquirer
  • Additional Resources

Related Resources from the Natural Inquirer

  • Front cover of National Inquirer with a bee pointing at a pond and green space
    Ecosystem services are the benefits that nature provides through natural processes. For example, plants provide clean air, natural fire helps cycle nutrients, and bats act as insect control. Ecosystem services...

    Ecosystem Services – Vol. 12 No. 1

    • Journal
    • Middle School
    • Wilderness
    • Wildlife
    • Amphibians
    • Biodiversity
    • Carbon Storage
    • Classification of Living Things
    • Drought
    • Erosion
    • Flooding
    • Freshwater
    • Habitat
    • Indicator Species
    • Invasive Species
    • Nonnative
    • Restoration
    • Vegetation
    • Wetlands
    Ecosystem services are the benefits that nature provides through natural processes. For example, plants provide clean air, natural fire helps cycle nutrients, and bats act as insect control. Ecosystem services...
    • Explore Journal
    • Download Journal (PDF)
    • Explore Journal
    • Download Journal (PDF)
  • PDF preview of 'That's a Humdinger' article cover.
    Many different types of birds live in riparian forests. In this study, the scientists were interested in black-chinned hummingbirds that live in riparian forests. The scientists wanted to know if...

    That’s a Humdinger! Black-Chinned Hummingbird Nesting in Response to Forest Treatments

    • Article
    • Upper Elementary
    • 1 Classroom Period
    • Wildlife
    • Forest management
    • Hummingbirds
    • Invasive Species
    • Nesting Sites
    • Tree Canopy
    • Understory
    Many different types of birds live in riparian forests. In this study, the scientists were interested in black-chinned hummingbirds that live in riparian forests. The scientists wanted to know if...
    • Explore Article
    • Download Article (PDF)
    • Read Distraction Free
    • Explore Article
    • Download Article (PDF)
    • Read Distraction Free

    Part Of

    Animals and Ecosystems of the Southwestern United States Investi-gator (Rocky Mountain Research Station) - Vol. 3 No. 1

  • PDF preview cover of the Treasure Islands article. The cover is a photograph of an i'iwi, a small tropical bird.
    The scientists in this study were interested in learning about birds living in different sized kīpuka on the island of Hawai‘i. Kīpuka are like islands of forest surrounded by hardened...

    Treasure Islands: Hawaiian Kīpuka and the Future of Native Hawaiian Birds

    • Article
    • Middle School
    • 1 Classroom Period
    • Active Forest Management
    • Wildlife
    • Biodiversity
    • Birds
    • Endangered Species
    • Endemic Species
    • Forest Restoration
    • LiDAR
    • Native Species
    • Nonnative
    • Observation
    • Threatened Species
    • Volcanoes
    • Wildlife Sampling
    The scientists in this study were interested in learning about birds living in different sized kīpuka on the island of Hawai‘i. Kīpuka are like islands of forest surrounded by hardened...
    • Explore Article
    • Download Article (PDF)
    • Read Distraction Free
    • Explore Article
    • Download Article (PDF)
    • Read Distraction Free

    Part Of

    Hawaii Pacific Islands - Vol. 1 No. 16

  • The cover for Citizen Science Journal. The main image is a collage of photos of two different group of students. The top image the group are in a forest and all looking through binoculars, and the bottom image the group is wearing green shirts.
    People across the world are helping scientists collect data to answer important research questions. Learn how citizens are getting involved in science, from counting birds and lionfish to reporting earthquakes.

    Citizen Science – Vol. 19 No. 1

    • Journal
    • Middle School
    • Citizen Science
    • Water
    • Wildlife
    • Biodiversity
    • Bird Song
    • Chipping Sparrow
    • Computers
    • Crowdsourcing
    • Data Collection
    • Earthquakes
    • Fault Lines
    • Habitat
    • Indicator
    • Internet
    • Invasive Species
    • Lionfish
    • Lolo National Forest
    • Mapping
    • Marine Conservation
    • Migratory Birds
    • Mobile Apps
    • Mobile Devices
    • Monarch Butterfly
    • Natural Disasters
    • Nonnative Species
    • Phenology
    • Research
    • Seismograph
    • Spotted Knapweed
    • U.S. Geologic Survey
    • Weather
    People across the world are helping scientists collect data to answer important research questions. Learn how citizens are getting involved in science, from counting birds and lionfish to reporting earthquakes.
    • Explore Journal
    • Download Journal (PDF)
    • Explore Journal
    • Download Journal (PDF)

Additional Resources

  • USDA Forest Service: Pollinators

    Learn more about pollinators and pollinators research.

    Visit Website
  • USDA Forest Service: Want to help bees? Take a break from lawn mowing

    Read a Forest Service blog post about this research.

    Visit Website
  • Pollinators Live

    While pollinators may come in small sizes, they play a large and often undervalued role in the production of the food we eat, the health of flowering plants, and the future of wildlife. A decline in the numbers and health of pollinators over the last several years poses a significant threat to the integrity of biodiversity, to global food webs, and to human health, according to scientists. Pollinators LIVE brings the excitement of pollinators to you through webcasts, webinars and online education resources.

    Visit Website
  • USDA Forest Service: "Gardening for Pollinators"

    Learn more about gardening for pollinators.

    Visit Website
  • USDA Forest Service: "Inside Agroforestry—Learn How You Can Use Agroforestry to Help Pollinators"

    Read more about how you can use agroforestry to help pollinators.

    Visit Website
  • USDA Forest Service: "Forest Service Is Aflutter with Native Plant and Pollinator Gardens"

    Learn more about native plant and pollinator gardens.

    Visit Website
  • The Xerces Society for Invertebrate Conservation

    The Xerces Society for Invertebrate Conservation is an international nonprofit organization that protects the natural world through the conservation of invertebrates and their habitats

    Visit Website
  • Project Learning Tree: "Pollinators: Why They’re Important and How Schools Can Help"

    Learn more about how schools can help pollinators.

    Visit Website
  • National Environmental Education Foundation: "Create a Place for Pollinators"

    Read about ways you can create spaces for pollinators.

    Visit Website
Back to Top
  • Natural Inquirer - Homepage
  • Find Outdoors
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  • USDA Forest Service logo.

The Natural Inquirer program produces a variety of science education materials for PreK through grade 12. Natural Inquirer products are produced by the USDA Forest Service, FIND Outdoors, and other cooperators and partners.

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