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Amazing wide view of the virigin river basin just north of lake meed. Shot from the Mormon Mesa overlook outside of Overton, NV. We will be establishing a "phenocam" research tower here this winter to examine the effects of the biocontrol Tamarisk beetle on tamarisk in this area. The tower will have two 5 meg...
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- 1887
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A view from inside the fence. The ground is barren now, but with winter rains, and no grazing, vegetation should re-emerge. We'll check back in six months or so. The vertical line is due to post stitching processing to try to correct for large exposure differences due to changing lighting conditions. Unfortunatel...
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Icebergs, calved from Grinnell Glacier, float in Upper Grinnell Lake, Glacier National Park, Montana. Glacier retreat in Glacier National Park is being studied and documented by the Climate Change in Mountain Ecosystems program of the USGS. Visit this USGS website to see the results of glacier studies and repeat phot...
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- 1809
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A duplicate site to study water flow, seepage, and soil erosion in an area under severe browsing pressure by flocks of feral ungulates, especially goats. The trenches were dug to analyze root density, and to determine the soil binding properties associated with different root structure.
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McDonald Drainage from Bird Woman Overlook, Glacier National Park, MT. A Pacific Maritime climate dominates this drainage west of the Continental Divide. Scoured avalanche chutes are obvious along the steep slopes of the glacially carved valley walls, where their characterisic openess creates habitat for grizzly bear...
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Sun Point weather station is a fully automated remote weather station run by the USGS Climate Change in Mountain Ecosystems program at Glacier National Park. Data from the site will soon be available online, representing weather patterns of the St. Mary drainage on the east side of Glacier National Park and used to as...
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Image by Mike Andree. Pink pollen traps are being installed on three hives in this apiary in Arrowwood National Wildlife Refuge in North Dakota as part of a joint experiment between the USDA and the USGS.
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Pinnacles of rhyolite spread across the landscape in Chiricahua National Monument, Arizona, USA. www.nps.gov/chir/naturescience/naturalfeaturesandecosystems.htm
Discover more about Chiricahua National Monument at www.nps.gov/chir/index.htm -
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View #2, from about 50 meters closer. The United States Geological Survey(USGS) is conducting a soil erosion study in a highly disturbed area along the east rim of Kawela Gulch on Moloka`i. This area, once dryland forest, has been greatly impacted, first through cattle grazing, and now by large herds of feral goats. T...
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- Kawela Gulch, Molokai, USGS soil erosion study site - Inside the enclosure, 4/27/2009 by Richard Palmer
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First follow up image inside the browsing protected area since the initial documentation of 1 Dec 2008. There is noticable plant regrowth. More visits will occur every 6 months or so to keep track of the vegetation difference between inside and outside the feral ungulate exclosure. The meters shown monitor water run...
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