Browsing Tag 'Species'
This post contributed by Nadine Lymn, ESA Director of Public Affairs The roundworm Caenorhabditis elegans (C. elegans) is a tiny laboratory animal that researchers have worked with for decades. As a hermaphrodite, C. elegans makes both sperm and eggs and can reproduce by self-fertilization. In contrast to humans, where hermaphrodites are rare, for C. elegans, [...]
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An essay published in the June 8 issue of Nature is causing something of a stir. Eighteen ecologists who signed the essay, titled “Don’t judge species on their origins,” “argue that conservationists should assess organisms based on their impact on the local environment, rather than simply whether they’re native,” as described in a recent Scientific [...]
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Here are some highlights from the latest ESA Policy News by Science Policy Analyst Terence Houston. Read the full Policy News here. SENATE: GOP MEASURE TO EXPAND OFFSHORE DRILLING IS REJECTED On May 18, the U.S. Senate rejected S. 953 by a vote of 42-57. The Offshore Production and Safety Act of 2011 sought to [...]
Read more... Here are some highlights from the latest ESA Policy News by Science Policy Analyst Terence Houston. Read the full Policy News here. MINING: COMMITTEE HEARING HIGHLIGHTS INDUSTRY CONCERNS OVER EPA REGS The House Transportation and Infrastructure Subcommittee on Water Resources and Environment met May 5 for the first in a series of hearings entitled “EPA [...]
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Scientists have found what appears to be the stress signals of a lake ecosystem that is on its way to collapse. Stephen Carpenter of the University of Wisconsin, Madison and colleagues carefully monitored the food web in a Wisconsin lake as they gradually introduced largemouth bass into the ecosystem. The researchers noticed a shift in [...]
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