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Latest Indicator species Stories

2013-10-29 11:27:10

In a novel study, a University of Oklahoma researcher and collaborators found a common bioindicator, Hyalella azteca, used to test the toxicity of water or sediment was resistant to insecticides used in agricultural areas of central California. The study is the first to demonstrate that the indicator species may adapt to polluted conditions of a habitat and become an entirely unreliable source of information about ecosystem health. Gary Wellborn, professor of biology in the OU College of...

2008-10-06 18:00:19

A U.S. study suggests the common insecticide malathion can decimate tadpole populations, killing them indirectly at doses too small to kill them directly. University of Pittsburgh researchers wanted to determine the environmental impact of the use of malathion -- the most popular insecticide in the United States. The scientists discovered gradual amounts of malathion that were too small to directly kill developing leopard frog tadpoles instead sparked a biological chain of events that...

2008-02-20 03:00:34

By Archer, Jessica K Miller, Deborah L; Tanner, George W ARCHER, J. K. (Department of Wildlife Ecology and Conservation, University of Florida, Gainesville, FL 32611), D. L. MILLER (Department of Wildlife Ecology and Conservation, University of Florida West Florida Research and Education Center, 5988 Hwy 90, Bldg 4900, Milton, FL 32583), AND G. W. TANNER (Department of Wildlife Ecology and Conservation, University of Florida, Gainesville, FL 32611). Changes in understory vegetation and soil...

2007-04-15 03:00:17

By Morris, Charles C; Stewart, Paul M; Simon, Thomas P ABSTRACT: This study evaluated biological integrity expectations of fish assemblages in wadeable streams for the Alabama portion of the Choctawhatchee River watershed using a multimetric approach. Thirty- four randomly selected stream sites were sampled in late spring 2001 to calibrate an index of biotic integrity (IBI). Validation data were collected during the spring 2001, and summer and fall of 2003 from disturbed and...


Word of the Day
lambent
  • Licking.
  • Hence Running along or over a surface, as if in the act of licking; flowing over or along; lapping or bathing; softly bright; gleaming.
This word comes the Latin 'lambere,' to lick.
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