Beavers promote calicioid diversity in boreal forest landscapes

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Vehkaoja , M , Nummi , P & Rikkinen , J 2017 , ' Beavers promote calicioid diversity in boreal forest landscapes ' , Biodiversity and Conservation , vol. 26 , no. 3 , pp. 579-591 . https://doi.org/10.1007/s10531-016-1259-7

Title: Beavers promote calicioid diversity in boreal forest landscapes
Author: Vehkaoja, Mia; Nummi, Petri; Rikkinen, Jouko
Other contributor: University of Helsinki, Department of Forest Sciences
University of Helsinki, Department of Forest Sciences
University of Helsinki, Finnish Museum of Natural History








Date: 2017-03
Language: eng
Number of pages: 13
Belongs to series: Biodiversity and Conservation
ISSN: 0960-3115
DOI: https://doi.org/10.1007/s10531-016-1259-7
URI: http://hdl.handle.net/10138/308586
Abstract: Beavers are ecosystem engineers that modify and maintain a range of special habitat types in boreal forests. They also produce large quantities of deadwood that provide substrate for many lignicolous organisms such as calicioid fungi (Ascomycota). We studied how calicioid diversity differed between boreal riparian forests with and without beaver activity. The results show that calicioid diversity were significantly higher at beaver sites compared to the other two forest site types studied. The large quantity and diverse forms of deadwood produced by beavers clearly promotes calicioid diversity in the boreal landscape. The specific lighting and humidity conditions within beaver wetlands could be the reason why they promote the success of certain calicioid species.
Subject: Deadwood
Flood
Pin lichen
Riparian forest
Snag
NORTHEASTERN NORTH-AMERICA
COARSE WOODY DEBRIS
ECOSYSTEM ENGINEERS
CASTOR-CANADENSIS
CONIFEROUS FORESTS
SPECIES RICHNESS
PICEA-ABIES
RANGE EXTENSIONS
CRUSTOSE LICHENS
CENTRAL NORWAY
1181 Ecology, evolutionary biology
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