Boreal Forests—The Focal Habitats of Fennoscandia

Esseen, Per‐Anders; Ehnström, Bengt; Ericson, Lars; Sjöberg, Kjell

doi:10.1007/978-1-4615-3524-9_7

Cited by 464 publications

(576 citation statements)

References 96 publications

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“…The interest in dead wood is both related to biological diversity aspects (Esseen et al, 1997;Siitonen, 2001) and to atmospheric carbon (C) cycle issues (Harmon and Hua, 1991;Krankina and Harmon, 1995;Naesset, 1999a).…”

Section: Introductionmentioning

confidence: 99%

Biomass conversion factors (density and carbon concentration) by decay classes for dead wood of Pinus sylvestris, Picea abies and Betula spp. in boreal forests of Sweden

Sandström¹,

Petersson²,

Kruys³

et al. 2007

Forest Ecology and Management

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For estimating the amount of carbon (C) in dead wood, conversion factors from raw volume per decay class to dry weight were developed using three different classification systems for the species Norway spruce (Picea abies L. Karst), Scots pine (Pinus sylvestris L.) and birch (Betula pendula Roth and B. pubescens Ehrh) in Sweden. Also the C concentration in dead wood (dry weight) was studied. About 2500 discs were collected from logs in managed forests located on 289 temporary National Forest Inventory (NFI) sample plots and in 11 strips located in preserved forests. The conversion factors were based on an extensive data compilation with a wide representation of different site-, stand-, species-and dead wood properties and were assumed to represent the population of fallen dead wood in Sweden. The density decreased significantly by decay class and the range in density for decay classes was widest for the NFI decay classification system, suggesting this to be the most suitable. The C concentration in dead wood biomass increased with increasing decay class and in average Norway spruce (Picea abies) showed a lower C concentration than Scots pine (Pinus sylvestris). The average dead wood C store of Swedish forests was estimated to 0.85 Mg C/ha.

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Section: Introductionmentioning

confidence: 99%

Biomass conversion factors (density and carbon concentration) by decay classes for dead wood of Pinus sylvestris, Picea abies and Betula spp. in boreal forests of Sweden

Sandström¹,

Petersson²,

Kruys³

et al. 2007

Forest Ecology and Management

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show abstract

“…Europe and North America into forest landscapes dominated by monospecific even-aged stands, 33 where the multi-aged and structurally more diverse natural forest stands are rare and scattered 34 (Esseen et al 1992; Bergeron et al 2002). This has raised concerns about how to efficiently …”

mentioning

confidence: 99%

Relative importance of habitat characteristics at multiple spatial scales for wood-dependent beetles in boreal forest

et al. 2015

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Methods: Saproxylic beetles were sampled under the bark of dead wood in a managed forest 7 landscape in central Sweden. We modelled the occurrence probability in dead wood items of 44 8 species (all species occurring in >2% of the items), based on dead wood item characteristics, 9 forest stand characteristics, and habitat connectivity (i.e. area of potentially suitable forest stands 10 in the surrounding of each stand), using hierarchical Bayesian regression. 11Results: For the majority of species, dead wood item characteristics (especially tree species and 12 whether standing or downed) were more important than measured stand characteristics and 13 habitat connectivity. Whether the stands were clear-cuts, mature forests, or reserves affected 14 some species, whereas the stand-level amount of dead wood per hectare was not important for 15 any species. Habitat connectivity improved the occurrence models for about a half of the species, 16 but there were both positive and negative relationships, and they were generally weak.

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“…Protected areas only cover 3.6% of productive forests, and 85% of these are made up of highaltitude conifer forests in the north. Outside this region, less than 1% of productive forests are protected (Esseen et al 1997). A long history of forest exploitation has led to many changes in Swedish forests.…”

Section: Basic Distribution Of Natural Resourcesmentioning

confidence: 99%

“…A long history of forest exploitation has led to many changes in Swedish forests. Even in northern Sweden, where forest exploitation is more recent, clearcutting has profoundly altered the landscape structure, which is now dominated by large areas of even-aged young conifers in many areas (Esseen et al 1997;Östlund et al 1997). Loss of old-growth forests and reduction of dead wood, fire suppression, drainage, and consequent changes in forest structure and species composition have had impacts on biodiversity.…”

Section: Basic Distribution Of Natural Resourcesmentioning

confidence: 99%

Forest certification: a policy perspective

Elliott¹

2000

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Boreal Forests—The Focal Habitats of Fennoscandia

Cited by 464 publications

References 96 publications

Biomass conversion factors (density and carbon concentration) by decay classes for dead wood of Pinus sylvestris, Picea abies and Betula spp. in boreal forests of Sweden

Biomass conversion factors (density and carbon concentration) by decay classes for dead wood of Pinus sylvestris, Picea abies and Betula spp. in boreal forests of Sweden

Relative importance of habitat characteristics at multiple spatial scales for wood-dependent beetles in boreal forest

Forest certification: a policy perspective

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