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Nested plant and fungal communities: the importance of area and habitat quality in maximizing species capture in boreal old-growth forests
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Institutionen för naturvetenskap.
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Institutionen för naturvetenskap.
Ansvarlig organisasjon
2003 (engelsk)Inngår i: Biological conservation, ISSN 0006-3207, Vol. 112, nr 3, s. 319-328Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Knowledge of the distribution of rare species is crucial for species conservation in fragmented habitats. Species communities often exhibit nestedness, i.e. species in species-poor sites comprise a subset of richer ones. Thus, rare species are confined to species-rich sites. We evaluate whether plant and fungal communities in 46 old-growth spruce forest patches (0.17–12 ha) exhibit nestedness. The question whether a single large patch or several small patches capture most species (i.e. the SLOSS-issue) is evaluated in combination with species saturation analyses. All species groups exhibited significant nestedness. Area was generally related to nestedness, i.e. rare species were over-represented in the largest patches. Species saturation analysis indicated that large patches accumulated more Red-list species in patch interiors than small patches. Thus, rare and Red-list species were best captured in large patches. However, nestedness also emerged in equal sized sample plots, i.e. rare species were over-represented in high quality habitats. Thus, small habitats of high quality should not be neglected in a conservation perspective.

sted, utgiver, år, opplag, sider
2003. Vol. 112, nr 3, s. 319-328
Emneord [en]
skog, biologisk mångfald
HSV kategori
Identifikatorer
URN: urn:nbn:se:miun:diva-1037DOI: 10.1016/S0006-3207(02)00329-4ISI: 000183099100003Scopus ID: 2-s2.0-003793654Lokal ID: 742OAI: oai:DiVA.org:miun-1037DiVA, id: diva2:26069
Tilgjengelig fra: 2008-09-30 Laget: 2008-09-30 Sist oppdatert: 2016-10-24bibliografisk kontrollert

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Berglund, HåkanJonsson, Bengt Gunnar

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