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		<title>Cavefish isotope fingerprints reveal how cave geometry shapes food webs in the dark</title>
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				<category><![CDATA[Biology]]></category>
		<category><![CDATA[Astyanax mexicanus]]></category>
		<category><![CDATA[blind tetra]]></category>
		<category><![CDATA[cavefish]]></category>
		<category><![CDATA[Isotopic]]></category>
		<category><![CDATA[karst caves]]></category>
		<category><![CDATA[Mexico]]></category>
		<category><![CDATA[nutrient input]]></category>
		<category><![CDATA[Sierra de El Abra]]></category>
		<category><![CDATA[Sierra de Guatemala]]></category>
		<category><![CDATA[stable isotopes]]></category>
		<category><![CDATA[subterranean ecosystems]]></category>
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					<description><![CDATA[Stable isotope fingerprints from seven Mexican cavefish populations show that cave depth and geometry shape the food webs that sustain life in perpetual darkness.]]></description>
		
		
		
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