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	<title>The Why Files &#187; Populations and ecosystems</title>
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	<description>The Science Behind The News</description>
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		<title>History of fishing</title>
		<link>http://whyfiles.org/2009/history-of-fishing/</link>
		<comments>http://whyfiles.org/2009/history-of-fishing/#comments</comments>
		<pubDate>Thu, 28 May 2009 21:56:47 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[All]]></category>
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		<category><![CDATA[biological oceanography]]></category>
		<category><![CDATA[birds]]></category>
		<category><![CDATA[census marine life]]></category>
		<category><![CDATA[fish]]></category>
		<category><![CDATA[fishery regulation]]></category>
		<category><![CDATA[history of marine animal populations]]></category>
		<category><![CDATA[mammals]]></category>
		<category><![CDATA[marine biology]]></category>
		<category><![CDATA[ocean history]]></category>
		<category><![CDATA[ocean past conference]]></category>
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		<guid isPermaLink="false">http://whyfiles.org/?p=1953</guid>
		<description><![CDATA[A new study finds a surprising number of fish, birds and mammals in the oceans 100 and 1,000 years ago. Can this information help regulators slow the decline of important marine animals?]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/history-of-fishing/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>After the chimp attack</title>
		<link>http://whyfiles.org/2009/after-the-chimp-attack/</link>
		<comments>http://whyfiles.org/2009/after-the-chimp-attack/#comments</comments>
		<pubDate>Fri, 06 Mar 2009 03:29:14 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[Human Behavior]]></category>
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		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
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		<category><![CDATA[chimp conservation]]></category>
		<category><![CDATA[chimp infections]]></category>
		<category><![CDATA[chimp mauling]]></category>
		<category><![CDATA[chimpanzee attack]]></category>
		<category><![CDATA[Connecticut]]></category>
		<category><![CDATA[pet chimp]]></category>
		<category><![CDATA[pet primate]]></category>
		<category><![CDATA[psychological aspects]]></category>
		<category><![CDATA[Travis]]></category>
		<category><![CDATA[zoonotic disease]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1577</guid>
		<description><![CDATA[We explore the sad saga of pet primates. Are these pets psychologically good for us? For them?  Are humans and other primates trading diseases at home, and in the wild?]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/after-the-chimp-attack/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Bush creates huge Pacific reserves</title>
		<link>http://whyfiles.org/2009/bush-creates-huge-pacific-reserves/</link>
		<comments>http://whyfiles.org/2009/bush-creates-huge-pacific-reserves/#comments</comments>
		<pubDate>Sun, 25 Jan 2009 20:13:11 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[Environment]]></category>
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		<category><![CDATA[Environmental quality]]></category>
		<category><![CDATA[Grades 5-8]]></category>
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		<category><![CDATA[Interdependence of organisms]]></category>
		<category><![CDATA[Life Science]]></category>
		<category><![CDATA[Natural resources]]></category>
		<category><![CDATA[Plants & animals]]></category>
		<category><![CDATA[Populations and ecosystems]]></category>
		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[clam environmental protection]]></category>
		<category><![CDATA[coral]]></category>
		<category><![CDATA[effectiveness of marine protected areas]]></category>
		<category><![CDATA[fish]]></category>
		<category><![CDATA[George Bush]]></category>
		<category><![CDATA[Marianas trench]]></category>
		<category><![CDATA[marine reserves]]></category>
		<category><![CDATA[Pacific Ocean reserves]]></category>
		<category><![CDATA[Palmyra Atoll]]></category>
		<category><![CDATA[Rose Atoll]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1161</guid>
		<description><![CDATA[Three giant new reserves, extend 50 miles out from shore, will protect coral reefs, fish, clams, and other life forms. But how effective are marine protected areas?]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/bush-creates-huge-pacific-reserves/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<item>
		<title>Fish prove: The eyes have it!</title>
		<link>http://whyfiles.org/2008/fish-prove-the-eyes-have-it/</link>
		<comments>http://whyfiles.org/2008/fish-prove-the-eyes-have-it/#comments</comments>
		<pubDate>Thu, 02 Oct 2008 20:50:33 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
				<category><![CDATA[All]]></category>
		<category><![CDATA[Bio brainstorms]]></category>
		<category><![CDATA[Biological Evolution]]></category>
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		<category><![CDATA[Life Science]]></category>
		<category><![CDATA[Plants & animals]]></category>
		<category><![CDATA[Populations and ecosystems]]></category>
		<category><![CDATA[adaptive radiation]]></category>
		<category><![CDATA[cichlid evolution]]></category>
		<category><![CDATA[cichlid fish]]></category>
		<category><![CDATA[evolutionary biology]]></category>
		<category><![CDATA[fin color]]></category>
		<category><![CDATA[fish genetics]]></category>
		<category><![CDATA[fish vision]]></category>
		<category><![CDATA[geographic barriers]]></category>
		<category><![CDATA[Lake Victoria]]></category>
		<category><![CDATA[sensory hypothesis of speciation]]></category>
		<category><![CDATA[water quality]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1066</guid>
		<description><![CDATA[The color, vision and genetics of an African fish all vary depending on the clarity of its home waters.  A new study suggests how species can form without geographic barriers.]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/fish-prove-the-eyes-have-it/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Coral reefs: Massive threats to survival around the globe</title>
		<link>http://whyfiles.org/2008/coral-reefs-massive-threats-to-survival-around-the-globe/</link>
		<comments>http://whyfiles.org/2008/coral-reefs-massive-threats-to-survival-around-the-globe/#comments</comments>
		<pubDate>Thu, 10 Jul 2008 21:09:56 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
				<category><![CDATA[All]]></category>
		<category><![CDATA[Animals]]></category>
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		<category><![CDATA[Environment]]></category>
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		<category><![CDATA[Natural resources]]></category>
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		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[coral reefs]]></category>
		<category><![CDATA[endangered coral reef]]></category>
		<category><![CDATA[extinction]]></category>
		<category><![CDATA[ocean biodiversity]]></category>
		<category><![CDATA[research]]></category>
		<category><![CDATA[study]]></category>
		<category><![CDATA[threatened]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1056</guid>
		<description><![CDATA[Coral reefs are the ocean's biodiversity hotspots, but a new study finds that one-third of reef-building corals are under some threat of extinction.]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/coral-reefs-massive-threats-to-survival-around-the-globe/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Whale research: No killing required</title>
		<link>http://whyfiles.org/2008/whale-research-no-killing-required/</link>
		<comments>http://whyfiles.org/2008/whale-research-no-killing-required/#comments</comments>
		<pubDate>Fri, 18 Jan 2008 00:34:55 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Understandings about science and technology]]></category>
		<category><![CDATA[acoustic research]]></category>
		<category><![CDATA[beaked whale]]></category>
		<category><![CDATA[blue  whale]]></category>
		<category><![CDATA[digital tags]]></category>
		<category><![CDATA[environmentalist]]></category>
		<category><![CDATA[Japan]]></category>
		<category><![CDATA[marine mammal research]]></category>
		<category><![CDATA[non-lethal research]]></category>
		<category><![CDATA[protest]]></category>
		<category><![CDATA[research whaling]]></category>
		<category><![CDATA[right whale]]></category>
		<category><![CDATA[scientific whaling]]></category>
		<category><![CDATA[scientist]]></category>
		<category><![CDATA[whale stocks]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1033</guid>
		<description><![CDATA[Japan says it must kill hundreds of whales each year to do "research" on them; but science has plenty of ways to study whales without killing them. Digital-recording tags, whale songs,  even whale scats, are the best ways to study these mysterious marine mammals.]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/whale-research-no-killing-required/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Miracle of winged migration</title>
		<link>http://whyfiles.org/2007/migration/</link>
		<comments>http://whyfiles.org/2007/migration/#comments</comments>
		<pubDate>Thu, 04 Oct 2007 20:47:09 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
				<category><![CDATA[All]]></category>
		<category><![CDATA[Behavior of organisms]]></category>
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		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Life Science]]></category>
		<category><![CDATA[Plants & animals]]></category>
		<category><![CDATA[Populations and ecosystems]]></category>
		<category><![CDATA[Regulation and behavior]]></category>
		<category><![CDATA[TAP]]></category>
		<category><![CDATA[bird]]></category>
		<category><![CDATA[bird conservation]]></category>
		<category><![CDATA[butterfly conservation]]></category>
		<category><![CDATA[Canada goose]]></category>
		<category><![CDATA[Energy]]></category>
		<category><![CDATA[migration]]></category>
		<category><![CDATA[migration navigation]]></category>
		<category><![CDATA[monarch butterfly]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=547</guid>
		<description><![CDATA[Migration of songbirds, butterflies, turtles and seals. Where does the natural urge to move originate?]]></description>
		<wfw:commentRss>http://whyfiles.org/2007/migration/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Polyandry: Bees do it. What&#8217;s the big advantage?</title>
		<link>http://whyfiles.org/2007/polyandry-bees-do-it-whats-the-big-advantage/</link>
		<comments>http://whyfiles.org/2007/polyandry-bees-do-it-whats-the-big-advantage/#comments</comments>
		<pubDate>Thu, 19 Jul 2007 21:08:56 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Biological Evolution]]></category>
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		<category><![CDATA[Grades 5-8]]></category>
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		<category><![CDATA[Plants & animals]]></category>
		<category><![CDATA[Populations and ecosystems]]></category>
		<category><![CDATA[colony survival]]></category>
		<category><![CDATA[drones]]></category>
		<category><![CDATA[evolution]]></category>
		<category><![CDATA[genetic diversity]]></category>
		<category><![CDATA[genetic fitness]]></category>
		<category><![CDATA[honeybee]]></category>
		<category><![CDATA[males]]></category>
		<category><![CDATA[mate]]></category>
		<category><![CDATA[queen]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1005</guid>
		<description><![CDATA[A honeybee queen mates with 15 guys. This weakens family ties in the hive, possibly hampering the selfless behavior these bees need for survival.  Does polyandry have hidden benefits for bees?]]></description>
		<wfw:commentRss>http://whyfiles.org/2007/polyandry-bees-do-it-whats-the-big-advantage/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Life within: New study shows beneficial bacterial invasion</title>
		<link>http://whyfiles.org/2007/life-within-new-study-shows-beneficial-bacterial-invasion/</link>
		<comments>http://whyfiles.org/2007/life-within-new-study-shows-beneficial-bacterial-invasion/#comments</comments>
		<pubDate>Thu, 28 Jun 2007 22:26:06 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Interdependence of organisms]]></category>
		<category><![CDATA[Life Science]]></category>
		<category><![CDATA[Microworld]]></category>
		<category><![CDATA[Populations and ecosystems]]></category>
		<category><![CDATA[baby]]></category>
		<category><![CDATA[bacteria]]></category>
		<category><![CDATA[beneficial bacteria]]></category>
		<category><![CDATA[colonization]]></category>
		<category><![CDATA[evolution]]></category>
		<category><![CDATA[genetics]]></category>
		<category><![CDATA[gut flora]]></category>
		<category><![CDATA[infant]]></category>
		<category><![CDATA[microarray]]></category>
		<category><![CDATA[microflora]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1000</guid>
		<description><![CDATA[Without trillions of bacteria in our guts, we die. But how do these bacteria colonize the bug-free human infant just after birth? New study details bacterial balancing act.]]></description>
		<wfw:commentRss>http://whyfiles.org/2007/life-within-new-study-shows-beneficial-bacterial-invasion/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Sharks: The Necessary Killer?</title>
		<link>http://whyfiles.org/2007/sharks-the-necessary-killer/</link>
		<comments>http://whyfiles.org/2007/sharks-the-necessary-killer/#comments</comments>
		<pubDate>Thu, 29 Mar 2007 23:24:06 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Populations and ecosystems]]></category>
		<category><![CDATA[biodiversity]]></category>
		<category><![CDATA[elasmobranch]]></category>
		<category><![CDATA[food chain]]></category>
		<category><![CDATA[food web]]></category>
		<category><![CDATA[great sharks]]></category>
		<category><![CDATA[mollusks: scallops]]></category>
		<category><![CDATA[ocean ecology]]></category>
		<category><![CDATA[oysters and clams]]></category>
		<category><![CDATA[rays]]></category>
		<category><![CDATA[skates]]></category>
		<category><![CDATA[smaller sharks]]></category>
		<category><![CDATA[species decline]]></category>
		<category><![CDATA[trophic levels]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=980</guid>
		<description><![CDATA[Big sharks eat little sharks and rays, which eat shellfish. So the ultimate effect of hunting big sharks may be a disappearance of shellfish.
]]></description>
		<wfw:commentRss>http://whyfiles.org/2007/sharks-the-necessary-killer/feed/</wfw:commentRss>
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