Browsing FAS Scholarly Articles by Keyword "North America"
Now showing items 1-7 of 7
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Geographic Variation in Network Structure of a Nearctic Aquatic Food Web
(Blackwell Publishing Ltd, 2011)Aim: The network structure of food webs plays an important role in the maintenance of diversity and ecosystem functioning in ecological communities. Previous research has found that ecosystem size, resource availability, ... -
Implementation and Outcomes of a Comprehensive Type 2 Diabetes Program in Rural Guatemala
(Public Library of Science, 2016)Background: The burden of chronic, non-communicable diseases such as diabetes is growing rapidly in low- and middle-income countries. Implementing management programs for diabetes and other chronic diseases for underserved ... -
Novel and Lost Forests in the Upper Midwestern United States, from New Estimates of Settlement-Era Composition, Stem Density, and Biomass
(Public Library of Science, 2016)Background: EuroAmerican land-use and its legacies have transformed forest structure and composition across the United States (US). More accurate reconstructions of historical states are critical to understanding the ... -
Out of Florida: mtDNA reveals patterns of migration and Pleistocene range expansion of the Green Anole lizard (Anolis carolinensis)
(Blackwell Publishing Ltd, 2012)Anolis carolinensis is an emerging model species and the sole member of its genus native to the United States. Considerable morphological and physiological variation has been described in the species, and the recent ... -
The Relative Contributions of Seed Bank, Seed Rain, and Understory Vegetation Dynamics to the Reorganization of Tsuga Canadensis Forests After Loss due to Logging or Simulated Attack by Adelges tsugae
(Canadian Science Publishing, 2012)Profound changes are occurring in forests as native insects, nonnative insects, or pathogens irrupt on foundation tree species; comprehensive models of vegetation responses are needed to predict future forest composition. ... -
Statistically-Estimated Tree Composition for the Northeastern United States at Euro-American Settlement
(Public Library of Science, 2016)We present a gridded 8 km-resolution data product of the estimated composition of tree taxa at the time of Euro-American settlement of the northeastern United States and the statistical methodology used to produce the ... -
U.S. Daily Temperatures: The Meaning of Extremes in the Context of Nonnormality
(American Meteorological Society, 2014)Variations in extreme daily temperatures are explored in relation to changes in seasonal mean temperature using 1218 high-quality U.S. temperature stations spanning 1900–2012. Extreme temperatures are amplified (or damped) ...