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	<title>San Marcos River &#8211; BIOENGINEER.ORG</title>
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		<title>Hidden River Life: Groundwater Creatures Trace a Fading Trail From Texas Karst Springs</title>
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		<pubDate>Sat, 17 Oct 2026 01:37:19 +0000</pubDate>
				<category><![CDATA[Biology]]></category>
		<category><![CDATA[distribution]]></category>
		<category><![CDATA[Edwards Aquifer]]></category>
		<category><![CDATA[groundwater biodiversity]]></category>
		<category><![CDATA[habitat filtering]]></category>
		<category><![CDATA[hyporheic zone]]></category>
		<category><![CDATA[karst hydrogeology]]></category>
		<category><![CDATA[Longitudinal]]></category>
		<category><![CDATA[patterns]]></category>
		<category><![CDATA[San Marcos River]]></category>
		<category><![CDATA[stygobiont]]></category>
		<category><![CDATA[stygobionts]]></category>
		<category><![CDATA[Subterranean Biology]]></category>
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					<description><![CDATA[A new study of the San Marcos River reveals that Edwards Aquifer stygobionts persist in the hyporheic zone far downstream of karst, with richness and abundance shaped by distance from the aquifer and sediment permeability.]]></description>
		
		
		
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