Tuesday, November 4, 2008

On Oct. 25th I blogged about 7 missing orcas in Washington waters. The scientists hypothesized that their disappearance may be due to decreased salmon populations. An article in today's NYT by Alexandra Morton, "Saving Wild Salmon, in Hopes of Saving the Orca" , goes more in depth about the salmon problems (such as farms) that may be causing killer whale deaths.

This article highlights a potential example of genetic pollution: where the farmed salmon are infecting wild salmon with sea lice, and leading to the wild populations decline. It also narrates the author's passion and success in pursuing whale conservation (through cooperation with universities and Trivia Pursuit philanthropists), despite her non traditional academic background. Ms. Morton points out that the whole trophic cascade, including bears, eagles and other animals, may be affected by the salmon farms.

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