Epiphytic lichen diversity in late-successional Pinus sylvestris forests along local and regional forest utilization gradients in eastern boreal Fennoscandia

Lommi, Sampsa; Berglund, Håkan; Kuusinen, Mikko; Kuuluvainen, Timo

doi:10.1016/j.foreco.2009.11.028

Cited by 17 publications

(12 citation statements)

References 30 publications

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“…Given also that natural longevity of the old-bark stage may compensate for smaller dispersal ability of its specific species, source populations for re-colonising secondary forests can probably survive on scattered trees in even heavily managed landscapes (Rose and Wolseley 1984). Hence, our "unexpected result" indicates that, while calicioid abundance on live trees indeed increases with time, the species preferring old trees are able (at least in Estonia) to colonize mature stands relatively rapidly from the surroundings (see also Lommi et al 2010 for Calicium parvum). For the threatened species that inhabit the bark of hard-wooded deciduous trees and were not found, forests most obviously lack suitable host trees.…”

Section: Minor Roles Of Habitat Continuity and Microclimatementioning

confidence: 69%

Old-forest species: the importance of specific substrata vs. stand continuity in the case of calicioid fungi

Lõhmus¹,

Lõhmus²

2011

Silva Fenn.

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Appropriate conservation management of old-forest species depends on the causes of their oldforest affinity, which, however, are insufficiently known. Calicioid fungi are often considered old-forest dependent because of their special requirements for microhabitat, microclimate, and stand continuity for at least two tree generations. We demonstrate that, for several methodological or interpretational problems, published studies do not provide unequivocal evidence for such mechanisms and even for old-forest dependency of calicioids in general. We then analyse a large Estonian dataset (ca. 2300 records of 32 species) representing various management types and site types to answer whether old forests have more calicioid species, and any specific species, than could be expected for the substratum availability observed. Although old growth had more species and records than mature managed stands or cutover sites, those substratum types that occurred at roughly similar abundances also hosted comparable numbers of species in different management types. The characteristic substrata adding extra species to old growth were snags and root-plates of treefall mounds; wood surfaces in general comprised more than half of all calicioid records. Although substratum abundance did not fully explain the species-richness contrast between old growth and mature stands, additional evidence suggested that the unexplained variance is rather due to small-scale habitat characteristics than stand-scale continuity or microclimate. Finally, we review the evidence for old-forest affinity of calicioid species and distinguish a set of threatened species. We conclude that the availability of specific substrata is the main limiting factor for calicioid fungi in forests, and its quantitative and stochastic nature explains the large random and region-specific variation in the published lists of 'old-forest species'.

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Section: Minor Roles Of Habitat Continuity and Microclimatementioning

confidence: 69%

Old-forest species: the importance of specific substrata vs. stand continuity in the case of calicioid fungi

Lõhmus¹,

Lõhmus²

2011

Silva Fenn.

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“…The potentially long time lags in ecological responses were illustrated by the study of Sippola et al (2001), in which stand structure and species diversity in forests logged selectively 50-100 years ago had still not recovered in comparison to those found in unmanaged forests. However, in some other studies an opposite result was obtained (Lilja and Kuuluvainen 2005;Lommi et al 2009). …”

Section: Discussion Ecologymentioning

confidence: 85%

Even-Aged and Uneven-Aged Forest Management in Boreal Fennoscandia: A Review

Kuuluvainen

Tahvonen

Aakala

2012

AMBIO

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230

129

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Since WWII, forest management in Fennoscandia has primarily been based on even-aged stand management, clear cut harvesting and thinning from below. As an alternative, uneven-aged management, based on selection cutting of individual trees or small groups of trees, has been proposed. In this review we discuss the theoretical aspects of ecology and economics of the two management approaches. We also review peer-reviewed studies from boreal Fennoscandia, which have aimed at comparing the outcomes of uneven-aged and the conventional even-aged forest management. According to a common view the main obstacle of practicing uneven-aged forestry is its low economic performance. However, the reviewed studies did not offer any straightforward support for this view and several studies have found uneven-aged management to be fully competitive with existing evenaged management. Studies on the ecological aspects indicated that selection cuttings maintain mature or late-successional forest characteristics and species assemblages better than even-aged management, at least at the stand scale and in the short term. We conclude that although the number of relevant studies has increased in recent years, the ecological and economic performance of alternative management methods still remains poorly examined, especially for those stands with multiple tree species and also at wider spatial and temporal scales. For future research we advocate a strategy that fully takes into consideration the interdisciplinary nature of forest management and is better connected to social goals and latest theoretical and methodological developments in ecology and economics.

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“…Esseen, 1998, 2003;Esseen et al, 1996;Gustafsson et al, 2004;Kuusinen and Siitonen, 1998;Johansson, 2008;Lommi et al, 2009;Perhans et al, 2007;Pykälä, 2003). However, information is still lacking on coniferous forests of the Alps (but see e.g.…”

Section: Introductionmentioning

confidence: 99%

Epiphytic lichen diversity in old-growth and managed Picea abies stands in Alpine spruce forests

Nascimbene

Marini

Nimis

2010

Forest Ecology and Management

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Epiphytic lichen diversity in late-successional Pinus sylvestris forests along local and regional forest utilization gradients in eastern boreal Fennoscandia

Cited by 17 publications

References 30 publications

Old-forest species: the importance of specific substrata vs. stand continuity in the case of calicioid fungi

Old-forest species: the importance of specific substrata vs. stand continuity in the case of calicioid fungi

Even-Aged and Uneven-Aged Forest Management in Boreal Fennoscandia: A Review

Epiphytic lichen diversity in old-growth and managed Picea abies stands in Alpine spruce forests

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