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Where Are Grasslands Disappearing in North America?This map from the US Geological Survey (USGS) shows the shrinking range of the North American grassland biome. Thanks to agricultural conversion, invasive species, and climate change, grasslands ...
The biome concept organizes large-scale ecological ... Winter desert annuals in North American deserts can generate over 1 kg m-2 of biomass in a wet year. With the exception of large blooms ...
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