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Desert Diary
Culture/Good Deeds

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I'm sure you've all heard the saying that "No good deed goes unpunished". Unfortunately, the punishment frequently is to the innocent, not the perpetrator. We've all been punished, in one way or another, by the well meant introduction of salt cedar as an ornamental into North America. A portion of our water problem is directly ascribable to this plant that slurps up enormous amounts of valley water and releases it into the air.

It's not only plants, though. Thousands of well meaning fishermen have, at the end of the day, dumped bait—such as fish and salamanders—into the stream or lake. After all, it'd be cruel not to release them. But perhaps not as cruel as releasing bait animals into places where they don't occur naturally. Enormous damage to native species is apparent throughout the fishable water bodies of our desert. Even when releases are of the same species, they often come from distant places. In many of our Southwestern bodies of water, millennia of adaptation to local conditions have been diluted or lost, thanks to the good deed.
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Listen to the Audio (mp3 format) as recorded by KTEP, Public Radio for the Southwest.

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Contributor: Arthur H. Harris, Laboratory for Environmental Biology, Centennial Museum, University of Texas at El Paso.

Desert Diary is a joint production of the Centennial Museum and KTEP National Public Radio at the University of Texas at El Paso.

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Tamarisk (salt cedar)

Salt Cedar. Photograph by A. H. Harris.

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