Tag Archives: agriculture

Man-made Global Warming Started With Ancient Hunters

By Guest PostJuly 2, 2010Environment, Scienceadam wolf, agriculture, agu, alaska, american geophysical union, Anthropocene, asia, beringia, betula, birch trees, california, carnegie institution, carnegie institution for science, chris doughty, chris field, climate, ecology, elephants, emissions, geological age, geophysical research letters, global warming, grassland, greenhouse gas, impact on climate, mammoths, NASA, North America, prehistoric farmers, russia, science in Stanford, Siberia, yukon territory

WASHINGTON — Even before the dawn of agriculture, people may have caused the planet to warm up, a new study suggests.

Fragmented forests result in more snakes, fewer birds

By Guest PostMay 25, 20102 commentsScienceagriculture, badgers, cache river state, circumstantial, coyotes, eastern north America, florida keys, forest edge, foxes, fragmented forest, gerardo carfagno, hawks, natural area, ornithologists, parental activity, patrick weatherhead, predator, prey, raccoons, rat snakes, southern Illinois, southern Ontario, texas, unfragmented forest, university of Illinois, video cameras, wooded or semi-wooded habitat

About half of all bird nests don’t survive due to predators, particularly in fragmented forest areas, but why?

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