publication . Other literature type . Article . 2008

The influence of tree age and microhabitat quality on the occurrence of crustose lichens associated with old oaks

Thomas Ranius; Per Johansson; Niclas Berg; Mats Niklasson;
Open Access
  • Published: 29 Jan 2008
  • Publisher: Wiley
  • Country: Sweden
Questions: How do tree age, microhabitat characteristics and epiphytic competitors affect the occurrence of crustose lichens associated with old oaks? How do microhabitat characteristics and microclimate affect the cover of competitors (bryophytes and macrolichens)? How do microhabitat characteristics cor¬relate with microclimatic variables? Location: Southeast Sweden. Methods: Eight crustose lichen species were surveyed on 165 Quercus robur trees, 17-478 years old, at three study sites. The occurrence patterns of these species were examined at two spatial scales: among trees and within trees. Occurrence patterns within trees were examined in 10 cm × 10 cm plots...
free text keywords: Ecology, Terrestrial ecology, Plant Science
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