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1 Years ago
5,000 percent increase in native trees on rat-free palmyra atoll: New research demonstrates strong positive benefit to native trees following invasive species removal

5,000 percent increase in native trees on rat-free palmyra atoll: New research demonstrates strong positive benefit to native trees following invasive species removal

New research demonstrates dramatic positive benefits for native trees following rat removal at Palmyra Atoll, a magnificent National Wildlife Refuge and natural research laboratory located about 1000 miles south of Hawaii. For five native tree species, including Pisonia grandis, fewer than 150 seedlings were counted in the presence of rats, and more than 7700 seedlings were counted five years after rats were removed.

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