Coral reefs face yet another threat: island rats depleting their poop supply

Popular Science | 7/12/2018 | Staff
reantes (Posted by) Level 3
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Graham and colleagues found that the difference between the islands is now startling and has no need to be teased apart by sophisticated statistical techniques. Those islands with rats have something like one or two seabirds per hectare (107,639 square feet), while those without rats have 1,000 or more in the same area.

On rat-free islands, the seabirds range far and wide across the oceans to feed, and then deposit much of the resulting nitrogen and phosphorus-rich excrement on their home island. These nutrients are...
(Excerpt) Read more at: Popular Science
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