Browsing Month 'October, 2009'
A study out in Communicative and Integrative Biology shows the mechanism behind plants that can recognize their own siblings. These plants send out fewer roots when planted next to siblings than when they’re planted next to strangers, a phenomenon the researchers think lessens competition among sibs but increases competition among unrelated plants. The study was [...]
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Scientists have known for some time now that the land and seas in the Arctic act as a sink for atmospheric carbon. In a new review paper in the journal Ecological Monographs, ecologists now have a sense of just how much carbon the Arctic has historically handled – up to a whopping 25 percent of [...]
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Scientists at USGS released a 300-page report today detailing the vulnerability of U.S. lands to invasion by large snakes from other continents. The report finds that Burmese pythons, northern and southern African pythons, boa constrictors and yellow anacondas are a high-risk animal for invasion. The report echoes the unfortunate situation on the America territory of [...]
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Photo by Phillip ‘Scooter’ Trosclair. Birds are often touted as the monogamists of the animal kingdom, with most bird species mating with the same individual and displaying biparental care, sometimes for many years. Their cousins, the reptiles, are no match for their faithfulness: most reptiles show no mate fidelity, let alone parental care. But a [...]
Read more...A group called Economics for Equity and the Environment released a report today detailing their predicted costs for reducing greenhouse gas emissions. According to this article in the Washington Post, the cost could be as low as between one and three percent of the country’s GDP each year to reduce the levels of carbon dioxide [...]
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