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IMAGE: Fewer butterflies seen across the warming, drying landscapes of American West. New methods of conservation and management of butterfly habitat may be needed to stem the consistent annual decline in. view more
Credit: Matt Forister, University of Nevada, Reno
RENO, Nevada - New methods of conservation and management of butterfly habitat may be needed to stem the consistent annual decline in the numbers of butterflies over the past 40 years in the western United States, according to a new study published in the journal
Science. The widespread butterfly declines highlight the importance of careful management of the lands that we do have control over, including our own backyards where we should use fewer pesticides and choose plants for landscapes that benefit local insects, Matt Forister, biology professor at the University of Nevada, Reno and lead author of the report in
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IMAGE: In a new study published in the Journal of Biogeography, investigators used modelling and tracking techniques to identify potential migratory barriers and corridors within the Indo-European flyway, as well as. view more
Credit: Benjamin Metzger
During their seasonal migration, birds typically travel between breeding and non-breeding grounds along migratory routes grouped into major flyways, such as the Indo-European flyway between Europe and the Indian subcontinent. In a new study published in the
Journal of Biogeography, investigators used modelling and tracking techniques to identify potential migratory barriers and corridors within the Indo-European flyway, as well as birds adaptive behaviors that help with navigation along the route.
In a new paper published by Nature Communications, The Lundquist Institute (TLI) Investigator Wei Yan, MD, PhD, and his research colleagues spell out an innovative strategy that has led to the discovery of a natural compound as a safe, effective and reversible male contraceptive agent in pre-clinical animal models. Despite tremendous efforts over the past decades, the progress in developing non-hormonal male contraceptives has been very limited.
Researchers have analyzed tracking data for 5,775 birds across 39 species of albatrosses and large petrels threatened seabirds whose ranges span many countries and the high seas to estimate how responsibility for their protection should be distributed among nations and international organizations. The authors note that albatrosses and large petrels from all
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IMAGE: Endangered Southern Resident killer whales prey on salmon throughout the year, diversifying their diet when salmon presence declines. view more
Credit: Candice Emmons/NOAA Fisheries and reference NMFS permit number 16163
Endangered Southern Resident killer whales prey on a diversity of Chinook and other salmon. The stocks come from an enormous geographic range as far north as Alaska and as far south as California s Central Valley, a new analysis shows.
The diverse salmon stocks each have their own migration patterns and timing. They combine to provide the whales with a portfolio of prey that supports them across the entire year. The catch is that many of the salmon stocks are at risk themselves.