Browsing Category 'Research and Field Notes'
By Liza Lester, ESA communications officer Mississippi River Basin. Green tributaries have sufficient flow for large-river specialist fishes, and long stretches unobstructed by obstacles of civilization. Blue tributaries fall below a critical flow threshold. Yellow tributaries discharge enough water, but are blocked by dams. On big rivers like the Mississippi, the infrastructure of modern civilization [...]
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Is it time to define a new field? By Nadine Lymn, ESA public affairs director This is the first in a series of EcoTone posts on a recent TEDxDeExtinction event. You can watch the presentations, hosted by the National Geographic Society, here. The talks will be edited and posted to YouTube in a few weeks. [...]
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Can we control our destiny? by Liza Lester, ESA communications officer Population by Total Fertility (millions). The United Nations predicts 10.1 billion living humans will inhabit the Earth by 2100. Source: United Nations, Department of Economic and Social Affairs, Population Division (2011): World Population Prospects: The 2010 Revision. New York. Joe Fargione, lead scientist for [...]
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Weighing the costs and benefits of plastic vegetable greenhouses over conventional vegetable production. By Liza Lester, ESA communications officer The USDA Natural Resources Conservation Service offers “seasonal high tunnel” kits as part of a three year trial to assess the potential of the plastic houses for conserving water and soil, reducing pesticide use, and improving [...]
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Contemporary recreational fishing combines with old WPA project to hasten marsh die-off By Liza Lester, ESA communications officer CAPE Cod, Massachusetts has a problem. The iconic salt marshes of the famous summer retreat are melting away at the edges, dying back from the most popular recreational areas. The erosion is a consequence of an [...]
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