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Gewässerschutz | |
 | Katalog / Natur / Leben / Gewässerschutz |
| Katalog / Natur / Umwelt / Ökologie / Gewässerökologie / Gewässerschutz |
| Katalog / Natur / Umwelt / Ökologie / Ökosysteme / Gewässerschutz |
 | | Süßwasserökosystem [110] | |||
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BioFilter
Aquatic Library (Aquatic Information Center). [eng] |
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Aquatic Network
Information service for the aquatic world. Subject areas covered include aquaculture, conservation, education, fisheries, limnology, oceanography, ocean engineering, maritime heritage, and seafood. Includes databases, news, articles, employment and business opportunities, publications, images, sounds, videos, products and services, and an online store. [eng] |
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