Filters: Tags: biome (X)
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The respiratory release of carbon dioxide (CO2) from soil is a major yet poorly understood flux in the global carbon cycle. Climatic warming is hypothesized to increase rates of soil respiration, potentially fueling further increases in global temperatures. However, despite considerable scientific attention in recent decades, the overall response of soil respiration to anticipated climatic warming remains unclear. We synthesize the largest global dataset to date of soil respiration, moisture, and temperature measurements, totaling >3,800 observations representing 27 temperature manipulation studies, spanning nine biomes and over 2 decades of warming. Our analysis reveals no significant differences in the temperature...
Categories: Publication;
Types: Journal Citation;
Tags: Biome,
Climate change,
Soil respiration,
Temperature sensitivity
We compared the water balance among the earth's major terrestrial ecosystems. Potential evapotranspiration, actual evapotranspiration (AET) and deficit were derived for each month and year from 19-25-yr climate records at ninety-four sites around the world representing eleven biomes. For each variable, we determined mean annual values. Our focus, however, was to examine temporal variation in AET, which previously has been correlated with large-scale patterns of ecosystem structure and function. Standard deviation of annual AET, an absolute measure of interannual variability, was highest for grasslands and lowest for tundra and taiga. Coefficient of variation of annual AET, a relative measure of variability, was...
Categories: Publication;
Types: Citation,
Journal Citation;
Tags: Journal of Biogeography,
actual evapotranspiration,
biome,
climate,
ecosystem function,
Patch importance provides a measure of how large, intact, and connected a “patch” of habitat is for each biome type. More “intact” patches are depicted using a more saturated (darker) color, whereas less intact have lighter, less saturated colors. Centrality flow lines depict the network of movement pathways that conceptually connect with the patches of a given biome type. Thicker and darker red lines indicate more central locations where more “movement flow” is predicted to occur, while the location of the lines depicts where the movement pathways are best placed to avoid places of high human activity.
This map depicts the current distribution of terrestrial communities in the Wyoming Basin Rapid Ecoregional Assessment, as determined by LANDFIRE, and bioclimatic conditions suitable for terrestrial biomes developed by Rehfeldt and others (2012). In addition, the potential distribution of bioclimatic conditions suitable for terrestrial biomes in the Wyoming Basin Rapid Ecoregional Assessment as determined by Rehfeldt and others (2012) under projected climate change scenarios. These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are...
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