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Old 04-13-2010, 11:56 AM   #1
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Default Hurricanes and Droughts Beat Back Migratory Bird Populations

Hurricanes and Droughts Beat Back Migratory Bird Populations
Analysis by Sarah Dowdey | Fri Apr 2, 2010 02:42 PM ET
Discovery News

Hurricanes and Droughts Beat Back Migratory Bird Populations : Discovery News
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While researchers expected some guilds, like the tree nesters, to show losses after a hurricane season, they expected others, like the shrub or ground nesters, to show gains since hurricane debris and downed trees could increase their resources. As it turned out, hurricane destruction didn't benefit any of the guilds. All species showed a loss in abundance and diversity that could stretch on for years. Pidgeon believes hurricanes shouldn't seriously threaten bird populations, so long as the animals have unaffected forest to retreat to.

The second study, also published in Global Change Biology, focused on drought, ultimately questioning the wisdom of considering all green space viable bird habitat...
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