Search Results - "Hargrove, William W"

projection of species distribution models and the problem of non-analog climate by Fitzpatrick, Matthew C, Hargrove, William W

“…Global climatic change and biological invasions will each have important and likely synergistic impacts on biodiversity. However, the emergence of non-analog…”
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Review of broad-scale drought monitoring of forests: Toward an integrated data mining approach by Norman, Steven P., Koch, Frank H., Hargrove, William W.

“…•Drought impacts forests directly and as a driver of secondary disturbance.•Characterizing these impacts is challenging, especially at broad spatial…”
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A Continental Strategy for the National Ecological Observatory Network by Keller, Michael, Schimel, David S., Hargrove, William W., Hoffman, Forrest M.

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Spring and Autumn Phenological Variability across Environmental Gradients of Great Smoky Mountains National Park, USA by Norman, Steven, Hargrove, William, Christie, William

“…Mountainous regions experience complex phenological behavior along climatic, vegetational and topographic gradients. In this paper, we use a MODIS time series…”
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Use of MODIS NDVI Products to Map Tree Mortality Levels in Forests Affected by Mountain Pine Beetle Outbreaks by Joseph P. Spruce, Jeffrey A. Hicke, William W. Hargrove, Nancy E. Grulke, Arjan J. H. Meddens

“…Extensive bark beetle outbreaks have recently occurred in western North American forests, resulting in overstory tree mortality across millions of hectares…”
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Determining suitable locations for seed transfer under climate change: a global quantitative method by Potter, Kevin M., Hargrove, William W.

“…Changing climate conditions will complicate efforts to match seed sources with the environments to which they are best adapted. Tree species distributions may…”
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Potential of multivariate quantitative methods for delineation and visualization of ecoregions by Hargrove, William W, Hoffman, Forrest M

“…Multivariate clustering based on fine spatial resolution maps of elevation, temperature, precipitation, soil characteristics, and solar inputs has been used at…”
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A global framework for monitoring phenological responses to climate change by White, Michael A., Hoffman, Forrest, Hargrove, William W., Nemani, Ramakrishna R.

“…Remote sensing of vegetation phenology is an important method with which to monitor terrestrial responses to climate change, but most approaches include…”
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Mapping crops within the growing season across the United States by Konduri, Venkata Shashank, Kumar, Jitendra, Hargrove, William W., Hoffman, Forrest M., Ganguly, Auroop R.

“…Timely and accurate knowledge about the geospatial distribution of crops at regional to continental scales is crucial for forecasting crop production and…”
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Representativeness-based sampling network design for the State of Alaska by HOFFMAN, Forrest M, KUMAR, Jitendra, MILLS, Richard T, HARGROVE, William W

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Quantitative Representativeness and Constituency of the Long-Term Agroecosystem Research Network and Analysis of Complementarity with Existing Ecological Networks by Kumar, Jitendra, Coffin, Alisa W., Baffaut, Claire, Ponce-Campos, Guillermo E., Witthaus, Lindsey, Hargrove, William W.

“…Studies conducted at sites across ecological research networks usually strive to scale their results to larger areas, trying to reach conclusions that are…”
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Using land surface phenology and information theory to assess and map complex landscape dynamics by Pomara, Lars Y., Lee, Danny C., Brooks, Bjorn-Gustaf, Hargrove, William W.

“…Abstract Context Characterizing landscape ecological complexity and change requires integrated description of spatial and temporal landscape organization and…”
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Mapping ecoregions under climate change: a case study from the biological ‘crossroads’ of three continents, Turkey by Ergüner, Yasemin, Kumar, Jitendra, Hoffman, Forrest M., Dalfes, H. Nüzhet, Hargrove, William W.

“…Context Besides climate change vulnerability, most ecosystems are under threat from a history of improper land-use and conservation policies, yet there is…”
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A United States national prioritization framework for tree species vulnerability to climate change by Potter, Kevin M., Crane, Barbara S., Hargrove, William W.

“…Climate change is one of several threats that will increase the likelihood that forest tree species could experience population-level extirpation or…”
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Ecological niches as stable distributional constraints on mammal species, with implications for Pleistocene extinctions and climate change projections for biodiversity by Martínez-Meyer, Enrique, Townsend Peterson, A., Hargrove, William W.

“…Aim: Theoretical work suggests that species' ecological niches should remain relatively constant over long-term ecological time periods, but empirical tests…”
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Representativeness-based sampling network design for the State of Alaska by Hoffman, Forrest M., Kumar, Jitendra, Mills, Richard T., Hargrove, William W.

“…Resource and logistical constraints limit the frequency and extent of environmental observations, particularly in the Arctic, necessitating the development of…”
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Monitoring Broadscale Vegetational Diversity and Change across North American Landscapes Using Land Surface Phenology by Bjorn-Gustaf J. Brooks, Danny C. Lee, Lars Y. Pomara, William W. Hargrove

“…We describe a polar coordinate transformation of vegetation index profiles which permits a broad-scale comparison of location-specific phenological variability…”
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Mapcurves: a quantitative method for comparing categorical maps by Hargrove, William W, Hoffman, Forrest M, Hessburg, Paul F

“…We present Mapcurves, a quantitative goodness-of-fit (GOF) method that unambiguously shows the degree of spatial concordance between two or more categorical…”
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Biological Field Stations: Research Legacies and Sites for Serendipity by Michener, William K, Bildstein, Keith L, McKee, Arthur, Parmenter, Robert R, Hargrove, William W, McClearn, Deedra, Stromberg, Mark

“…Biological field stations are distributed throughout North America, capturing much of the ecological variability present at the continental scale and…”
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Effects of fire size and pattern on early succession in Yellowstone National Park by Turner, Monica G., Romme, William H., Gardner, Robert H., Hargrove, William W.

“…The Yellowstone fires of 1988 affected >250 000 ha, creating a mosaic of burn severities across the landscape and providing an ideal opportunity to study…”
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