Browsing Category 'Research and Field Notes'

Global economic pressures trickle down to local landscape change, altering disease risk

by Liza Lester, ESA communications officer The pressures of global trade may heighten disease incidence by dictating changes in land use. A boom in disease-carrying ticks and chiggers has followed the abandonment of rice cultivation in Taiwanese paddies, say ecologist Chi-Chien Kuo and colleagues, demonstrating the potential for global commodities pricing to drive the spread [...]

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Ecology branches into the tree of life

An August 2012 supplementary issue of Ecology explores the interface of ecology and phylogenetics. By Liza Lester, ESA communications officer Lebensbaum (Tree of Life): Detail from Gustav Klimt’s 1910/11 drawing for the immense dining room frieze at Stoclet Palace, in Brussels. Watercolor and pencil. Österreichisches Museum für angewandte Kunst, Vienna. NATURALISTS of the late 19th [...]

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Watching the river flow – the complex effect of stream variability on Bristol Bay’s wildlife

Sylvia Fallon, a Senior Scientist at the Natural Resources Defense Council, blogged about ecosystem dynamics and the key role of salmon in Alaska’s Bristol Bay watershed last week, in a post inspired by Peter Lisi’s presentation at ESA’s 2012 annual meeting in Portland. Peter is a postdoc in Fishery Sciences at the University of Washington [...]

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willamette basin USGS

In the Willamette River watershed, an experiment in ecosystem economics is underway. Map of the Willamette River Basin; Temperature Effects of Point Sources, Riparian Shading, and Dam Operations on the Willamette River. Credit, Oregon Water Science Center, USGS. “What we want to do,” said Bobby Cochran, “Is take the money that we’re spending now and [...]

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Landsat 5 update: Thematic Mapper incommunicado

End of routine acquisitions for the Thematic Mapper, secondary sensor is still sending data. By Liza Lester, ESA communications officer. The US Geological Survey’s Landsat 5 Thematic Mapper has been a faithful friend to ecologists. Recoding image data in seven bands covering visible, thermal, and infrared spectra, the satellite has shown us retreating glaciers, advancing [...]

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