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This dataset was used to summarize and analyze the mortality factors recorderd on dead trees in the Sierra Nevada Forest Dynamics Plot Network, which is managed by the Sequoia and Kings Canyon Field station of the U.S. Geological Survey's Western Ecological Research Center. Each row of the dataset represents an individual dead tree. These are dead trees that were recorded in the network from 1998 to 2010 for the subset of plots as described in the associated manuscript; These data support the following: Das, A.J., Stephenson, N.L., Davis, K.P. 2016. Why do trees die? Characterizing the drivers of background tree mortality. Ecology. 97(10): 2616-2627, https://doi.org/10.1002/ecy.1497
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This dataset records mortality-- including involvement of bark beetles-- and burn severity information for trees in long term forest dynamics plots in Sequoia National Park and Yosemite National Park that experienced fire. These data support the following publication: Furniss, T.J., Das, A.J., van Mantgem, P.J., Stephenson, N.L. and Lutz, J.A., 2021. Crowding, climate, and the case for social distancing among trees. Ecological Applications, p.e2507, https://doi.org/10.1002/eap.2507
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Album caption: El Capitan, and the valley bottom. The 3,000-foot cliff is the highest in Yosemite Valley and one of the highest in the world. The salient is composed throughout of unfractured, massive granite. The gray blotches on the wall at the right are due to masses of diorite that invaded the granite. A pine tree about 100-feet high stands in a niche with an overhanging roof a short distance above the bushy slope at the base. Yosemite Valley. [Yosemite National Park] California. n.d. Published as plate 17 in U.S. Geological Survey. Professional paper 160. 1930. Yosemite National Park subject album handwritten caption: El Capitan looking west, Yosemite Valley. Yosemite National Park, Mariposa County, California....
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Yosemite National Park, California. Silhouette view of the gorge that separates Liberty Cap from the Nevada Fall platform. This gorge was, at one time, the channel of the Merced River and still carries off some of the flood waters in spring. The trail to the top of the Nevada Fall is laid through it. Circa 1913.
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Yosemite National Park, California. Yosemite Falls and surrounding cliffs, viewed from the valley floor. Only the head of Lower Yosemite Fall is visible through the trees. Dark zones of vegetation crossing the cliffs on the left reveal narrow terraces developed along zones of sheared rock. Sparseness of vegetation in the intermediate spaces is indicative of the absence of joints in the rock. Circa 1913.
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Yosemite National Park, California. The High Sierra, viewed from El Capitan. Half Dome and the head of Yosemite Valley in the center. Freshly fallen snow whitens the distant peaks and gives them a wintry aspect representative in some measure of the conditions that prevailed during the ice age when large glaciers extended from the High Sierra down to the Yosemite region. Circa 1914. Plate 11-A, U.S. Geological Survey Professional paper 160.
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Yosemite National Park, California. Cirque at the head of the valley of Yosemite Creek. The lake in the bowl has been transformed by alluviation into a wet meadow. The trail to Ten Lakes Basin crosses the saddle in the background. Circa 1914.
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Yosemite National Park, California. Half Dome, viewed from Upper Quarter Dome, on the south side of Tenaya Creek Canyon. Strong shadow across the shoulder discloses the master joint (or shear plane) that may have determined the trend of the northeast face of the dome. Lower Quarter Dome in the foreground, showing exfoliation sheets breaking off along imperfectly developed joints. Circa 1913.
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Yosemite National Park, California. Down Long Meadow. Circa 1914.
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Yosemite National Park, California. East to the Divide where Monument 80 is located. Dorothy Lake in the foreground. 1906.
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Yosemite National Park, California. Cliff southwest of Fletcher Lake, showing joints in granite. 1903.
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Yosemite National Park, California. Merced Lake lies in a Yosemite-like stretch of the upper Merced Canyon. Its basin, hollowed from the granite by the ancient Merced Glacier, is in the process of being filled with river-borne sand and gravel and will, in time, be replaced by a level floor analogous to that of Yosemite Valley. At the head of the lake is the forested delta of the river. Circa 1914. Plate 12-B, U.S. Geological Survey Professional paper 160.
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Yosemite National Park, California. Entrance to Le Conte Memorial Lodge. 1909.
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Yosemite National Park, California. Glacial lake in a shallow cirque northeast of Mount Clark and the serrate crest separating it from the canyon of Gray Peak Fork. Circa 1914.
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Yosemite National Park, California. Sugar pine among firs at the old Gentry sawmill near Yosemite Valley at an altitude of 6,000 feet. Circa 1907.
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Yosemite National Park, California. Fletcher Lake, viewed from the east. 1903.
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Yosemite National Park, California. El Capitan. Mariposa County, California. September 1897.
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Album caption: El Capitan from the northwest. Pond in the foreground. [Yosemite National Park] California. n.d. Index card unavailable.
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Album caption: Washington Column and Royal Arches, and their reflections in the Merced River. [Yosemite National Park] California. n.d. Yosemite National Park subject album handwritten caption: Nearer view of Washington Column and the Royal Arches. Yosemite National Park, Mariposa County, California. See photo number 2. Similar to J.K. Hillers photo number 30(q). Index card unavailable.
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Yosemite National Park, California. South from the summit of Mount Clark, overlooking the entire Clark Range. The peaks in order of distance: Gray Peak and Red Peak (almost in line with each other), Ottoway Peak, Merced Peak, and Triple Divide Peak on the left. Circa 1914.


map background search result map search result map Yosemite National Park, California. Fletcher Lake, viewed from the east. 1903. Yosemite National Park, California. Sugar pine among firs at the old Gentry sawmill near Yosemite Valley at an altitude of 6,000 feet. El Capitan and Yosemite Valley. Yosemite National Park, California. n.d. El Capitan from the northwest. Yosemite National Park, California. n.d. Washington Column and Royal Arches reflected in Merced River. Yosemite National Park, California. n.d. Yosemite National Park, California. Half Dome, viewed from Upper Quarter Dome, on the south side of Tenaya Creek Canyon. Yosemite National Park, California. Cirque at the head of the valley of Yosemite Creek. The lake in the bowl has been transformed by alluviation into a wet meadow. Yosemite National Park, California. Glacial lake in a shallow cirque northeast of Mount Clark and the serrate crest separating it from the canyon of Gray Peak Fork. Yosemite National Park, California. South from the summit of Mount Clark, overlooking the entire Clark Range. Yosemite National Park, California. Down Long Meadow. Circa 1914. Yosemite National Park, California. Entrance to Le Conte Memorial Lodge. 1909. Yosemite National Park, California. East to the Divide where Monument 80 is located. Dorothy Lake in the foreground. Yosemite National Park, California. El Capitan. Mariposa County, California. September 1897. Mortality factors for dead trees from a subset of plots from the Sierra Nevada Forest Dynamics Plot Network from 1998 to 2010 Sequoia and Yosemite National Parks Mortality and Fire Data (1990-2019) for Competition-Fire-Drought Interaction Analysis Yosemite National Park, California. Fletcher Lake, viewed from the east. 1903. Yosemite National Park, California. Sugar pine among firs at the old Gentry sawmill near Yosemite Valley at an altitude of 6,000 feet. El Capitan and Yosemite Valley. Yosemite National Park, California. n.d. El Capitan from the northwest. Yosemite National Park, California. n.d. Washington Column and Royal Arches reflected in Merced River. Yosemite National Park, California. n.d. Yosemite National Park, California. Half Dome, viewed from Upper Quarter Dome, on the south side of Tenaya Creek Canyon. Yosemite National Park, California. Cirque at the head of the valley of Yosemite Creek. The lake in the bowl has been transformed by alluviation into a wet meadow. Yosemite National Park, California. Glacial lake in a shallow cirque northeast of Mount Clark and the serrate crest separating it from the canyon of Gray Peak Fork. Yosemite National Park, California. South from the summit of Mount Clark, overlooking the entire Clark Range. Yosemite National Park, California. Down Long Meadow. Circa 1914. Yosemite National Park, California. Entrance to Le Conte Memorial Lodge. 1909. Yosemite National Park, California. East to the Divide where Monument 80 is located. Dorothy Lake in the foreground. Yosemite National Park, California. El Capitan. Mariposa County, California. September 1897. Sequoia and Yosemite National Parks Mortality and Fire Data (1990-2019) for Competition-Fire-Drought Interaction Analysis Mortality factors for dead trees from a subset of plots from the Sierra Nevada Forest Dynamics Plot Network from 1998 to 2010