Guide to Aquatic Insects & Crustaceans - Izaak Walton League of America
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Fully illustrated guide to identifying water-dwelling macroinvertebrates A handy resource for anglers, students, biologists, or anyone else spending time near rivers and streams Gives tips for distinguishing similar species and includes information for each species on behavior and role played in the ecosystem From the damselfly to the whirligig beetle, our nation's streams are teeming with critters. This convenient, inexpensive guide allows you to identify any that you find--whether you're working on your fly tying, researching the local insect life, or just mucking around in the river. Also…mehr

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Produktbeschreibung
Fully illustrated guide to identifying water-dwelling macroinvertebrates A handy resource for anglers, students, biologists, or anyone else spending time near rivers and streams Gives tips for distinguishing similar species and includes information for each species on behavior and role played in the ecosystem From the damselfly to the whirligig beetle, our nation's streams are teeming with critters. This convenient, inexpensive guide allows you to identify any that you find--whether you're working on your fly tying, researching the local insect life, or just mucking around in the river. Also includes information on the river conservation and management work performed by the Izaak Walton League, making this an especially valuable resource for stream monitors, biologists, and other specialists.
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Autorenporträt
Founded in 1922, the Izaak Walton League of America is a national conservation organization whose mission is to conserve, maintain, protect, and restore soil, air, woods, wildlife, and--especially--waters in the United States, and to promote the means and opportunities for the education of the public.