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Brist på gamla ekar hotar lavar: [Old oaks and lichens]
Inst. för ekologi, miljö och botanik, Stockholms universitet, Stockholm.ORCID iD: 0000-0003-1369-9351
Sveriges lantbruksuniversitet (SLU), Uppsala.
Sveriges lantbruksuniversitet (SLU), Uppsala.
2013 (Swedish)In: Svensk Botanisk Tidskrift, ISSN 0039-646X, Vol. 107, no 6, p. 344-349Article in journal (Other academic) Published
Abstract [sv]

Flera ovanliga lavar har sina främsta förekomster på gamla ekar i sydöstra Sverige. Men gamla ekar uppstår inte av sig själva. Det måste helatiden finnas yngre träd som kan efterträda de gamla. Artikelförfattarnahar med hjälp av statistiska modeller försökt förutsäga vad som kommer att hända med fem olika lavar om de gamla ekarna försvinner.

Abstract [en]

In Europe, old trees and theirassociated species are declining.Using metapopulation theory,we have investigated the habitatrequirements, colonizationextinction dynamics and persistence of old-oak-associatedepiphytic lichens.Colonization rates wereexplained by distance tosurrounding occupied trees.Extinctions mainly take placewhen trees fall. The metapopulation extinction risk was highestfor species that only can utilizevery old trees.According to our simulations,conservation actions in landscapes with a low density of oldoaks had minor effects on epiphyte persistence, while actionsin landscapes with many old butfew young trees may increasespecies persistence.

Place, publisher, year, edition, pages
Uppsala: Svenska Botaniska Föreningen , 2013. Vol. 107, no 6, p. 344-349
National Category
Ecology
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URN: urn:nbn:se:liu:diva-175253OAI: oai:DiVA.org:liu-175253DiVA, id: diva2:1547865
Available from: 2021-04-28 Created: 2021-04-28 Last updated: 2021-05-06Bibliographically approved

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Johansson, Victor

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CiteExportLink to record
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Citation style
  • apa
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  • de-DE
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  • Other locale
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Output format
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