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16篇 您的检索式:作者名="Weslien"
    题名 作者 年代 出处 被引量
1Felled or standing retained wood-it makes a difference for saproxylic beetles 显示文摘Mats Jonsella Jan Weslien 2003Forest Ecology and Management2003,175,:1
2Fluxes of CO2, CI-L and N20 from drained coniferous forests on organic soils显示文摘Arnold K V Weslien P Nilsson M 2005For Ecol Manag2005,,210:1
3Strong pH influence on N2O and CH4 fluxes from forested organic soils显示文摘WESLIEN P KASIMIR K A BORJESSON G 0,,3:1
4Plant species richness in managed boreal forests -Effects of stand succession and thinning显示文摘Widenfalk O Weslien J 2009Forest Ecology and Man- agement2009,,257:1
5Strong pH influence on N20 and CH4 fluxes from forested organic soils 显示文摘WESLIEN P KASIMIR KLEMEDTSSON /~ BORJESSON G 2009European Journal of Soil Science2009,60,3:1
6Felled or standing retained wood - it makes a difference for saproxylic beetles 显示文摘Mats Jonsella Jan Weslien 2003Forest Ecology and Management2003,175,:1
7Plant species richness in managed boreal forests:Effects of stand succession and thinning显示文摘Olof Widenfalk Jan Weslien 2009Forest Ecology and Management2009,257,5:1
8Reduced offspring production in bark beetle Tomicus piniperda in pine bolts baited with ethanol and α- pinene, which attract antagonistic insects显示文摘Schroeder L M Weslien J 1994Journal of Chemical Ecology1994,20,7:1
9Reduced offspring production in bark beetle Tomicus piniperda in pine bolts baited with ethanol and α-pinene,which attract antagonistic insects显示文摘Schroeder L M Weslien J 1994Journal of Chemical Ecology1994,20,7:1
10Biological control of the spruce coneworm Dioryctria abietella: spraying with Bacillus thuringiensis reduced damage in a seed orchard 显示文摘Weslien J 1999Scandinavian Journal of Forest Research1999,14,2:1
11Fluxes of CO2,CH4 and N2O from drained coniferous forests on organic soils显示文摘Arnold K V Weslien P Nilsson M 0,,1:1
12Fluxes of CO2,CH4 and N2O from drained coniferous forests on organic soils显示文摘ARNOLD K VON WESLIEN P NILSSON M 2005Forest Ecology and Management2005,210,13:1
13Reduced offspring production in barkbeetle Tomicus piniperda in pine bolts baited with ethanol andα-pinene, which attract antagonistic insects 显示文摘Schroeder L M Weslien J 1994J Chem Ecol1994,20,7:1
14Plant species richness in managed bore- al forests-Effects of stand succession and thinning显示文摘Widenfalk O Weslien J 2009Forest E- cology and Management2009,257,:1
15Soil C/N ra- tio as a scalar parameter to predict nitrous oxide emissions显示文摘Klemedtsson L Von Arnold K Weslien P 2005Global Change Biology2005,11,7:1
16Research on retention forestry in Northern Europe显示文摘Retention approaches in forest management are today common in several North European countries,integrated into the clearcutting practice as a way to promote biodiversity and maintain ecosystem functions.Individual green trees and retention patches(tree groups)are retained at final harvest,and deadwood is left at site or created.Here,we review research on retention in Sweden,Finland,Norway,the Baltic States,and NW Russia,with special focus on biodiversity.Following the first publication in 1994,about 180 peer-reviewed articles have been published.We present results from a systematic search of the retention literature,separated into the following topics:buffer zones,retention patches,high stumps,other types of deadwood,European aspen Populus tremula,and cost-efficiency.Russian literature is synthesized separately since studies from this region have so far almost exclusively been published in the Russian language.Furthermore,we describe six ongoing large-scale,replicated experiments with varying retention levels,five in Finland and one in Sweden,and summarize their main results.Among main conclusions for practice from the literature and experiments are that retention patches as large as 0.5 ha and 10-mwide buffers to watercourses are not enough to maintain pre-harvest species composition but survival of forest species is still larger than on conventional clearcuts.Deadwood on clearcuts may present important habitats to saproxylic species,including rare and red-listed ones and a prioritization of tree species per stand is recommended.We identify several important future research directions including switch of focus towards the landscape as well as the species population level.Surveys in parts of European Russia where retention has been unintentionally implemented already for a century would indicate possible future trajectories of biodiversity and their drivers in other regions of Northern Europe.A stronger link to ecological theory would help in study designs and in the formulation of predicted outcomes.Lena Gustafsson Mats Hannerz Matti Koivula Ekaterina Shorohova Ilkka Vanha-Majamaa Jan Weslien 2020Ecological Processes2020,9,1:0
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