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Intricate, Often Invisible Land-Sea Ecological Chains of Life Threatened With Extinction Around the World

by sciencedaily.com

Douglas McCauley and Paul DeSalles did not set out to discover one of the longest ecological interaction chains ever documented. But that’s exactly what they and a team of researchers — all current or former Stanford students and faculty — did in a new study published in Scientific Reports.

Their findings shed light on how human disturbance of the natural world may lead to widespread, yet largely invisible, disruptions of ecological interaction chains. This, in turn, highlights the need to build non-traditional alliances — among marine biologists and foresters, for example — to address whole ecosystems across political boundaries.

This past fall, McCauley, a graduate student, and DeSalles, an undergraduate, were in remote Palmyra Atoll in the Pacific tracking manta rays’ movements for a predator-prey interaction study. Swimming with the rays and charting their movements with acoustic tags, McCauley and DeSalles noticed the graceful creatures kept returning to certain islands’ coastlines. Meanwhile, graduate student Hillary Young was studying palm tree proliferation’s effects on bird communities and native habitats.

Read more here

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