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UCLA life scientists present new insights on climate change and species interactions

By Guest PostJune 11, 2013Environmentanthony dell, biotraits database, climate change, cold blooded animals, consumer, coral reefs, ecology, ecosystems, feeding event, feeding relationship, flowering in plants, fluctuation, Germany, global increase, global warming, immobile prey, interactions, juvenile possum, knowledge, life scientists, massive dataset, mean temperature, metabolic rate, mobile prey, moving prey, natural ecosystems, policymakers, predator, prey, python, rainforests, rate, resource, rising temperatures, samraat pawar, species, species interactions, timing, ucla, university of chicago, university of gottingen, van savage, variability in temperature

UCLA life scientists provide important new details on how climate change will affect interactions between species in research published online May 21 in the Journal of Animal Ecology. This knowledge, they say, is critical to making accurate predictions and informing policymakers of how species are likely to be impacted by rising temperatures.

“There is a growing recognition among biologists that climate change is affecting how species interact with one another, and that this is going to have very important consequences for the stability and functioning of ecosystems,” said the senior author of the research, Van Savage, an assistant professor of ecology and evolutionary biology and of biomathematics at UCLA. “However, there is still a very limited understanding of exactly what these changes will be. Our paper makes progress on this very important question.” (more…)

Severe Declines in Everglades Mammals Linked to Pythons

By Guest PostJanuary 31, 2012Environment, Natureafrican python, alex wolf, alligators, america, beni anaconda, boa constrictor, bobcat, burmese python, camp walker, christopher gillette, cottontail rabbits, dan kimball, deschauensee anaconda, ecological impact, ecosystem, everglades, everglades ecosystem, everglades national park, everglades python, fox, geographic pattern, green anaconda, invasive species, john willson, mammal decline, mammals, marcia mcnutt, marsh, michael dorcas, michael rochford, national park, opossums, prey, python, python predation, rabbits, raccoons, robert reed, spread of pythons, therese walters, U.S. Geological Survey, united states

HOMESTEAD, Fla. — Precipitous declines in formerly common mammals in Everglades National Park have been linked to the presence of invasive Burmese pythons, according to a study published on Jan. 30, 2012, in the Proceedings of the National Academy of Sciences.

The study, the first to document the ecological impacts of this invasive species, strongly supports that animal communities in this 1.5-million-acre park have been markedly altered by the introduction of pythons within 11 years of their establishment as an invasive species. Mid-sized mammals are the most dramatically affected. (more…)

UF-led study: Invasive Amphibians, Reptiles in Florida Outnumber World

By Guest PostSeptember 24, 2011Environment, Scienceamerican alligator, bishop museum in honolulu, brown anole, burmese pythons, cargo ships, cement walls, Cuba, everglades, florida, florida museum of natural history, fred kraus, greenhouse frog, iguanas, invasion of lizards, invasive amphibian and reptile, kenneth krysko, lizards, python, turtles, university of florida, west indies, zootaxa

GAINESVILLE, Fla. — Florida has the world’s worst invasive amphibian and reptile problem, and a new 20-year study led by a University of Florida researcher verifies the pet trade as the No. 1 cause of the species’ introductions.

From 1863 through 2010, 137 non-native amphibian and reptile species were introduced to Florida, with about 25 percent of those traced to one animal importer. The findings appear online today in Zootaxa. (more…)

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UCLA life scientists present new insights on climate change and species interactions

Severe Declines in Everglades Mammals Linked to Pythons

UF-led study: Invasive Amphibians, Reptiles in Florida Outnumber World