SwePub
Sök i LIBRIS databas

  Utökad sökning

(WFRF:(Zha Yinghua))
 

Sökning: (WFRF:(Zha Yinghua)) > (2019) > Asymmetrical habita...

Asymmetrical habitat coupling of an aquatic predator : The importance of individual specialization

Marklund, Maria H. K. (författare)
Uppsala universitet,Limnologi,School of Biological Sciences and The Environment Institute, University of Adelaide, North Terrace, SA 5005, Australia
Svanbäck, Richard (författare)
Uppsala universitet,Zooekologi
Faulks, Leanne (författare)
Uppsala universitet,Zooekologi,Sugadaira Montane Research Center, University of Tsukuba, Sugadairakogen 1278-294, Ueda, Nagano 386-2204, Japan
visa fler...
Breed, Martin F. (författare)
School of Biological Sciences and The Environment Institute, University of Adelaide, North Terrace, SA 5005, Australia
Scharnweber, Kristin (författare)
Uppsala universitet,Limnologi
Zha, Yinghua (författare)
Uppsala universitet,Limnologi,Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, NKS BioClinicum, Solna, Sweden
Eklöv, Peter (författare)
Uppsala universitet,Limnologi
visa färre...
 (creator_code:org_t)
2019-02-23
2019
Engelska.
Ingår i: Ecology and Evolution. - : Wiley. - 2045-7758. ; 9:6, s. 3405-3415
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • Predators should stabilize food webs because they can move between spatially separate habitats. However, predators adapted to forage on local resources may have a reduced ability to couple habitats. Here, we show clear asymmetry in the ability to couple habitats by Eurasian perch—a common polymorphic predator in European lakes. We sampled perch from two spatially separate habitats—pelagic and littoral zones—in Lake Erken, Sweden. Littoral perch showed stronger individual specialization, but they also used resources from the pelagic zone, indicating their ability to couple habitats. In contrast, pelagic perch showed weaker individual specialization but near complete reliance on pelagic resources, indicating their preference to one habitat. This asymmetry in the habitat coupling ability of perch challenges the expectation that, in general, predators should stabilize spatially separated food webs. Our results suggest that habitat coupling might be constrained by morphological adaptations, which in this case were not related to genetic differentiation but were more likely related to differences in individual specialization.

Ämnesord

NATURVETENSKAP  -- Biologi -- Ekologi (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Ecology (hsv//eng)

Nyckelord

diet specialization
food web
landscape genetics
morphological specialization
Perca fluviatilis

Publikations- och innehållstyp

ref (ämneskategori)
art (ämneskategori)

Hitta via bibliotek

Till lärosätets databas

Sök utanför SwePub

Kungliga biblioteket hanterar dina personuppgifter i enlighet med EU:s dataskyddsförordning (2018), GDPR. Läs mer om hur det funkar här.
Så här hanterar KB dina uppgifter vid användning av denna tjänst.

 
pil uppåt Stäng

Kopiera och spara länken för att återkomma till aktuell vy