Post Profile






Monarch butterflies disappearing from western North America

VANCOUVER, Wash. - Monarch butterfly populations from western North America have declined far more dramatically than was previously known and face a greater risk of extinction than eastern monarchs, according to a new study in the journal Biological Conservation. "Western monarchs are faring worse than their eastern counterparts," said Cheryl Schultz, an associate professor at Washington State University Vancouver and lead author of the study.
read more

share

Related Posts


Scientists say decline in monarch butterflies brings risk of extinction

United States / San Francisco : SFGate: Bay Area New

Western monarch butterflies, which crowd trees along the California coast every winter and flush them with color, have declined so dramatically since the 1980s that the species will likely go extinct in the next few decades if nothi...

Imperiled Monarch Butterfly Will Get $3.2 Million In Aid, But Does It Come To Late As 970 Million Have Already Vanished

News : The Inquisitr - News

Since the 1990’s more than 970 million monarch butterflies have vanished. Monarch butterflies numbered roughly 1 billion across North America in 1996. Their numbers have declined dramatically. Some populations are now estimated to b...

Habitat loss on breeding grounds cause of monarch decline, study finds

Academics / General Science : Science Codex

Habitat loss on breeding grounds in the United States – not on wintering grounds in Mexico – is the main cause of recent and projected population declines of migratory monarch butterflies in eastern North America, according to new r...

Eastern Monarch butterflies at risk of extinction unless numbers increase

Academics / General Science : Science Codex

Long-term declines in the overwintering Eastern population of North American monarch butterflies are significantly increasing their likelihood of becoming extinct over the next two decades, according to Scripps Institution of Oceano...

Eastern Monarch Butterflies May Be At Risk Of Extinction Within 20 Years

News : Huffington Post

North America’s eastern monarch butterflies may still be at risk of extinction, despite recent increases in their population. The population of eastern monarchs has declined 84 percent from the winter of 1996-1997 to the winter of 2...

Comments


Copyright © 2016 Regator, LLC