Proportions of saproxylic beetle populations that utilise clear-cut stumps in a boreal landscape – Biodiversity implications for stump harvest

Jonsell, Mats; Schroeder, Martin

doi:10.1016/j.foreco.2014.08.042

Cited by 36 publications

(25 citation statements)

References 28 publications

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“…Although LRs from fi nal fellings do not include substrates with thick bark, a variety of thin-barked substrates with a wide range of diameters (i.e., from the thinnest branches with diameters of less than 1 cm to thick tree tops with diameters exceeding 7 cm) are found. Moreover, LRs (as well as stumps) from fi nal fellings generally experience high exposure to the sun, whereas most of the dead wood in managed forests is shaded; thus, these substrates are specifi c and important for many saproxylic beetles (Jonsell 2008a, b, Bouget et al 2012, Jonsell & Schroder 2015. Additionally, LRs from fi nal fellings can serve as substrates for the development of forest bark-and woodboring pests (particularly bark beetles), and in specifi c circumstances, these LRs facilitate pest multiplication and outbreaks (Schroeder 2008).…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, various strategies for the removal of LRs (e.g., hauling, burning, and chipping) are often recommended to prevent pest multiplication (DeGomez et al 2008). However, the extensive removal of LRs can lead to the extinction of rare saproxylic species and a loss of overall diversity, and the removal of sun-exposed LRs from fi nal fellings might be of particular signifi cance (Jonsell et al 2007, Jonsell 2008a, b, Fossestøl & Sverdrup-Thygeson 2009, Bouget et al 2012, Jonsell & Schroder 2015.…”

Section: Introductionmentioning

confidence: 99%

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Bark- and wood-boring beetles on Scots pine logging residues from final felling: effects of felling date, deposition location and diameter of logging residues

Foit

2015

Ann. For. Res.

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Foit J., 2015. Bark-and wood-boring beetles on Scots pine logging residues from fi nal felling: effects of felling date, deposition location and diameter of logging residues. Ann. For. Res. 58(1): 67-79.Abstract. To reduce the risk of bark-and wood-boring beetle pests, the extensive removal of logging residues is conducted in forests; however, this practice can lead to a loss of saproxylic insect diversity. Thus, finding a better pest management strategy is needed and requires additional information on the actual effects of various, differently treated logging residues for pest multiplication. In the present study, a total of 2,160 fragments of Scots pine (Pinus sylvestris L.) logging residues generated during final felling in a single stand in the Drahanská Highlands in the Czech Republic were examined for bark-and wood-boring beetles. The felling occurred on four dates in 2006 (in February, May, August and November). The logging residues from each felling were left scattered on the clear-cut area or were gathered into piles. The fauna inhabiting the logging residues were investigated by peeling off the bark during the first six months of the vegetative period following the felling. The logging residues hosted species-rich assemblages of bark-and wood-boring beetles (25 species were identified). Beetle occurrence was significantly affected by felling date, logging residue type (trunk fragment or branch and branch thinner or thicker than 1 cm), diameter and the manner in which the logging residues were deposited (freely scattered, top pile layer, or bottom pile layer). The Scots pine logging residues were a substrate for the significant multiplication of several potentially significant pests (particularly, Pityogenes chalcographus [Linnaeus], Ips acuminatus [Gyllenhal] and Pityophthorus pityographus [Ratzeburg]). The results indicated that the risk of pest reproduction can be minimised by felling the trees in August (and probably also September and October). For I. acuminatus and P. pityographus, the risk can be minimised by gathering the logging residues into piles.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Bark- and wood-boring beetles on Scots pine logging residues from final felling: effects of felling date, deposition location and diameter of logging residues

Foit

2015

Ann. For. Res.

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“…Regarding nature conservation, this treatment represents a much better solution than the removal of LRs. However, the removal of LRs generated by thinnings might be less detrimental than the removal of LRs resulting from final fellings or precommercial thinnings that likely have a greater value for the conservation of saproxylic beetles (Jonsell 2008;Fossestøl et al 2009;Foit 2015a, b;Jonsell et al 2015).…”

Section: Discussionmentioning

confidence: 99%

The occurrence of early-arriving saproxylic beetles on Scots pine logging residues generated by thinning

Foit¹

2015

J. For. Sci.

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ABSTRACT:The occurrences of early-arriving saproxylic beetles were examined on 1,200 fragments of Scots pine (Pinus sylvestris L.) logging residues generated by thinning in a single stand in the Drahanská Highlands in the Czech Republic. The felling was carried out on four dates in 2006 (February, May, August, November). The occurrence of early-arriving saproxylic beetles was investigated by peeling off the bark of logging residues during the first six months of the vegetative period following the felling. Beetle occurrence was significantly affected by felling date, logging residue type (trunk fragment, or branch thinner or thicker than 1 cm) and diameter. Only 16 species of early-arriving saproxylic beetles were found. The results indicate that the shaded and fairly uniform logging residues from thinning are probably of minor importance for the conservation of saproxylic beetles, but their presence might increase the risk of certain pest outbreaks (particularly, Pityogenes chalcographus [Linnaeus]). As an alternative to the removal of logging residues, the risk of the multiplication of this pest can be minimised if thinning is carried out in August (and probably also in September and October).

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“…Additional data on dead wood amounts were collected in 2009 and 2014 for stumps, and in 2013-14 for FWD. Data on beetles were added in 2004 for high stumps, in 2009 for stumps (Jonsell and Schroeder, 2014) and in 2013 for FWD. Data on lichens and fungi in all types of wood were collected in 2013.…”

Section: Data Collectionmentioning

confidence: 99%

“…By extending the same transects to 10 m on each side, 0.2 ha sampling plots for snags were obtained. Stumps and FWD were surveyed in 100 m 2 circular plots distributed in a regular quadratic network with 10e12 plots per stand (Jonsell and Schroeder, 2014). Data collected for each dead wood item is presented in Appendix B.…”

Section: Dead Wood Surveysmentioning

confidence: 99%

Consequences of bioenergy wood extraction for landscape-level availability of habitat for dead wood-dependent organisms

Hiron

Jonsell

Kubart

et al. 2017

Journal of Environmental Management

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Proportions of saproxylic beetle populations that utilise clear-cut stumps in a boreal landscape – Biodiversity implications for stump harvest

Cited by 36 publications

References 28 publications

Bark- and wood-boring beetles on Scots pine logging residues from final felling: effects of felling date, deposition location and diameter of logging residues

Bark- and wood-boring beetles on Scots pine logging residues from final felling: effects of felling date, deposition location and diameter of logging residues

The occurrence of early-arriving saproxylic beetles on Scots pine logging residues generated by thinning

Consequences of bioenergy wood extraction for landscape-level availability of habitat for dead wood-dependent organisms

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