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Bristlecone pines have an interesting relationship with fire. When a fire occurs, it may open a once-closed area to sunlight.…
Bristlecone pines have an interesting relationship with fire. When a fire occurs, it may open a once-closed area to sunlight. When this happens, bristlecone pine seedlings get a chance to...
In the Western United States, many of the forests have too many small trees. These small trees increase the risk…
In the Western United States, many of the forests have too many small trees. These small trees increase the risk of wildfire. Forest managers, therefore, want to remove the small...
Pine trees cover much of the Southeastern United States. When older pine trees are cut for making wood products, only…
Pine trees cover much of the Southeastern United States. When older pine trees are cut for making wood products, only the trees’ boles are used. The scientists in this study...
The scientists in this study were interested in three common periodic changes in sea surface temperatures, called oscillations. In particular,…
The scientists in this study were interested in three common periodic changes in sea surface temperatures, called oscillations. In particular, the scientists wanted to see how wildfires over the past...
In the past, forest managers always put out wildfires. More recently, forest managers have discovered that fire can be a good thing for…
In the past, forest managers always put out wildfires. More recently, forest managers have discovered that fire can be a good thing for some ecosystems. Wildfires are now sometimes allowed to burn rather than...
In this study, the scientists studied trees growing on Puerto Rico, an island in the Caribbean Sea. The scientists wanted…
In this study, the scientists studied trees growing on Puerto Rico, an island in the Caribbean Sea. The scientists wanted to know if different trees contribute different amounts of nutrients...
In this study, the scientists studied trees growing on Puerto Rico, an island in the Caribbean Sea. The scientists wanted…
In this study, the scientists studied trees growing on Puerto Rico, an island in the Caribbean Sea. The scientists wanted to know if different trees contribute different amounts of nutrients...
Smoke from wildland fires contains hundreds of chemicals. These chemicals can be gases, liquids, or solid forms. The effects of…
Smoke from wildland fires contains hundreds of chemicals. These chemicals can be gases, liquids, or solid forms. The effects of breathing wildland fire smoke include eye and throat irritation, shortness...
Smoke from wildland fires contains hundreds of chemicals. These chemicals can be gases, liquids, or solid forms. The effects of…
Smoke from wildland fires contains hundreds of chemicals. These chemicals can be gases, liquids, or solid forms. The effects of breathing wildland fire smoke include eye and throat irritation, shortness...
When lightning or other forms of ignition start a fire in a forest, there is a chance of a wildfire. Wildfires may be started…
When lightning or other forms of ignition start a fire in a forest, there is a chance of a wildfire. Wildfires may be started by a natural cause, such as lightning, or they may be started...
When lightning or other forms of ignition start a fire in a forest, there is a chance of a wildfire. Wildfires may be started…
When lightning or other forms of ignition start a fire in a forest, there is a chance of a wildfire. Wildfires may be started by a natural cause, such as lightning, or they may be started...
In recent years, populations of quaking aspen have been in decline in the Western United States. Stands of aspen are…
In recent years, populations of quaking aspen have been in decline in the Western United States. Stands of aspen are now mixed with conifer trees. Each year, fewer aspen-dominated stands...
