DAVIS, Calif., May 5 (UPI) -- U.S. Forest Service scientists say they've completed a study of a beetle that has attacked 67 percent of the oak trees in an area 30 miles east of San Diego.
U.S. Forest Service scientists with the Center for Urban Forest Research have completed a study that found planting and nurturing Indianapolis street trees brought a 500 percent return in benefits ...
U.S. Forest Service scientists with the Institute of Pacific Islands Forestry have submitted a proposal to release a Brazilian insect to control the spread of strawberry guava, a South American tree ...
US Forest Service scientists with the Institute of Pacific Islands Forestry have submitted a proposal to release a Brazilian insect to control the spread of strawberry guava, a South American tree ...
... falling in.
Gonzalez, who has worked with USDA Forest Service scientists to analyze lynx habitat, projects ... 10 to 20 percent and reduce boreal forest cover by half in the contiguous U.S. Together, ...
... higher in a Douglas-fir tree, it's almost like experiencing a drought," said Rick Meinzer, a Forest Service scientist at the Pacific Northwest Research Station. "And that's what we see at the tops of ...
U.S. Forest Service scientists at the Center for Urban Forest Research are providing online software ... California Climate Action Registry's Urban Forest Project Reporting Protocol for quantifying carbon ...
... decline because the larger lakes are off limits to breeding," said Kathleen Matthews a Forest Service scientist at the Pacific Southwest Research Station and one of the studies authors.
Matthews co- ...
... pine beetles when applied to low to moderate beetle populations," said Nancy Gillette, a Forest Service scientist at the Pacific Southwest Research Station and one of nine researchers involved in the ...
... small alpine lakes so they have significant top-down effects on ecosystems," said Karen Pope, a Forest Service scientist at the Pacific Southwest Research Station and one of the study's authors. "They ...
U.S. Forest Service scientists have completed a study on a beetle that was first detected in California in 2004, ... oak tree mortality in the Cleveland National Forest near Barrett Lake, Mount Laguna, ...