Milkweed losses may not fully explain monarch butterfly declines

Monarch butterfly declines cannot be attributed merely to declines in milkweed abundance, researchers report. The new research, published in the journal BioScience, reviews decades of studies of monarchs and includes an in-depth analysis of milkweed populations at the heart of the butterflies' summer range.

Milkweed losses may not fully explain monarch butterfly declines

Steep declines in the number of monarch butterflies reaching their wintering grounds in Mexico are not fully explained by fewer milkweeds in the northern part of their range, researchers report ...

Tue 14 Mar 17 from Phys.org

Milkweed losses may not fully explain monarch butterfly declines, Tue 14 Mar 17 from ScienceDaily

Report: Milkweed losses may not fully explain monarch butterfly declines, Tue 14 Mar 17 from Eurekalert

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