id:"swepub:oai:gup.ub.gu.se/153207"
Sökning: id:"swepub:oai:gup.ub.gu.se/153207" > PHENOTYPIC DIFFEREN...
- 1 av 1
- Föregående post
- Nästa post
- Till träfflistan
- Araujo, R. (författare)
PHENOTYPIC DIFFERENTIATION AT SOUTHERN LIMIT BORDERS: THE CASE STUDY OF TWO FUCOID MACROALGAL SPECIES WITH DIFFERENT LIFE-HISTORY TRAITS
- Artikel/kapitelEngelska2011
Förlag, utgivningsår, omfång ...
- 2011-04-25
- Wiley,2011
Nummerbeteckningar
- LIBRIS-ID:oai:gup.ub.gu.se/153207
- https://gup.ub.gu.se/publication/153207URI
- https://doi.org/10.1111/j.1529-8817.2011.00986.xDOI
Kompletterande språkuppgifter
- Språk:engelska
Ingår i deldatabas
- SwePubSwePub
Klassifikation
Anmärkningar
- Marginal populations are often geographically isolated, smaller, and more fragmented than central populations and may frequently have to face suboptimal local environmental conditions. Persistence of these populations frequently involves the development of adaptive traits at phenotypic and genetic levels. We compared population structure and demographic variables in two fucoid macroalgal species contrasting in patterns of genetic diversity and phenotypic plasticity at their southern distribution limit with a more central location. Models were Ascophyllum nodosum (L.) Le Jol. (whose extreme longevity and generation overlap may buffer genetic loss by drift) and Fucus serratus L. (with low genetic diversity at southern margins). At edge locations, both species exhibited trends in life-history traits compatible with population persistence but by using different mechanisms. Marginal populations of A. nodosum had higher reproductive output in spite of similar mortality rates at all life stages, making edge populations denser and with smaller individuals. In F. serratus , rather than demographic changes, marginal populations differed in habitat, occurring restricted to a narrower vertical habitat range. We conclude that persistence of both A. nodosum and F. serratus at the southern-edge locations depends on different strategies. Marginal population persistence in A. nodosum relies on a differentiation in life-history traits, whereas F. serratus , putatively poorer in evolvability potential, is restricted to a narrower vertical range at border locations. These results contribute to the general understanding of mechanisms that lead to population persistence at distributional limits and to predict population resilience under a scenario of environmental change.
Ämnesord och genrebeteckningar
- NATURVETENSKAP Biologi Ekologi hsv//swe
- NATURAL SCIENCES Biological Sciences Ecology hsv//eng
- NATURVETENSKAP Biologi hsv//swe
- NATURAL SCIENCES Biological Sciences hsv//eng
- Ascophyllum nodosum ; Fucus serratus ; geographic distribution limits; marginal populations; phenotypic differentiation; population persistence
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Serrao, E. A. (författare)
- Sousa-Pinto, I. (författare)
- Åberg, Per,1959Gothenburg University,Göteborgs universitet,Institutionen för marin ekologi,Department of Marine Ecology(Swepub:gu)xabepe (författare)
- Göteborgs universitetInstitutionen för marin ekologi (creator_code:org_t)
Sammanhörande titlar
- Ingår i:Journal of Phycology: Wiley47:3, s. 451-4620022-3646
Internetlänk
- 1 av 1
- Föregående post
- Nästa post
- Till träfflistan
Hitta mer i SwePub
- Av författaren/redakt...
- Araujo, R.
- Serrao, E. A.
- Sousa-Pinto, I.
- Åberg, Per, 1959
- Om ämnet
-
- NATURVETENSKAP
- NATURVETENSKAP
- och Biologi
- och Ekologi
-
- NATURVETENSKAP
- NATURVETENSKAP
- och Biologi
- Artiklar i publikationen
- Journal of Phyco ...
- Av lärosätet
- Göteborgs universitet
Sök utanför SwePub
- Sök vidare i:
- Google Book Search
- Google Scholar
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.
- Copyright © LIBRIS - Nationella bibliotekssystem
- LIBRIS.kb.se
