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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 02970naa a2200433 4500 | |
| 001 | oai:DiVA.org:hkr-5402 | |
| 003 | SwePub | |
| 008 | 091207s1994 | |||||||||||000 ||eng| | |
| 024 | 7 | a urn:nbn:se:hkr:diva-54022 urn |
| 024 | 7 | a https://doi.org/10.1007/BF000278542 DOI |
| 040 | a (SwePub)hkr | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Elmberg, Johan,d 1960-u Department of Animal Ecology, Swedish University of Agricultural Sciences, Umeå,Akvatisk biologi och kemi4 aut0 (Swepub:hkr)elj |
| 245 | 1 0 | a Patterns of lake acidity and waterfowl communities |
| 264 | 1 | c 1994 |
| 338 | a print2 rdacarrier | |
| 520 | a Breeding waterfowl communities were studied in 28 lakes in three areas in North Europe, along gradients of acid precipitation and alkalinity that result in lake conditions ranging from unaffected to strongly acidified. Acidic lakes had generally sparser and less complex vegetation, and fewer invertebrates were caught in activity traps. There was neither correlation between pH and waterfowl species richness (genus Anas, family Anatidae, and waterfowl sensu latu tested separately), nor between pH and waterfowl diversity (Simpson's index). Further, pH and waterfowl population density (genus Anas, family Anatidae, and waterfowl sensu latu) were not correlated, but when functional rather than taxonomic groups were considered, pH and relative abundance of fish-eating species (Gaviidae and Podicipedidae) were correlated. However, the relative abundance of Bucephala clangula, a diving duck that may compete with fish for food, was not correlated with pH. Although individual species may be affected, community level responses of waterfowl to acidity are either absent or hard to detect at our sites. | |
| 650 | 7 | a NATURAL SCIENCESx Biological Sciences0 (SwePub)1062 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Biologiska vetenskaper0 (SwePub)1062 hsv//swe |
| 653 | a WATERFOWL | |
| 653 | a COMMUNITIES | |
| 653 | a PH | |
| 653 | a INVERTEBRATE FOOD RESOURCES | |
| 653 | a VEGETATION | |
| 653 | a INTERSPECIFIC COMPETITION | |
| 653 | a AQUATIC BIRDS | |
| 653 | a PREY | |
| 653 | a Biology | |
| 653 | a Biologi | |
| 700 | 1 | a Sjöberg, Kjellu Department of Animal Ecology, Swedish University of Agricultural Sciences, Umeå4 aut |
| 700 | 1 | a Nummi, Petriu Department of Applied Zoology, University of Helsinki4 aut |
| 700 | 1 | a Pöysä, Hannuu Finnish Game and Fisheries Research Institute, Evo Game Research Station4 aut |
| 710 | 2 | a Department of Animal Ecology, Swedish University of Agricultural Sciences, Umeåb Akvatisk biologi och kemi4 org |
| 773 | 0 | t Hydrobiologiag 279-280:1, s. 201-206q 279-280:1<201-206x 0018-8158x 1573-5117z 0018-8158 |
| 856 | 4 8 | u http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-5402x lärosäteslänky Till lärosätets (hkr) databas |
| 856 | 4 8 | u https://doi.org/10.1007/BF00027854 |
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