globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.foreco.2017.03.034
Scopus记录号: 2-s2.0-85018472906
论文题名:
Small-scale positive response of terrestrial gastropods to dead-wood addition is mediated by canopy openness
作者: Kirchenbaur T.; Fartmann T.; Bässler C.; Löffler F.; Müller J.; Strätz C.; Seibold S.
刊名: Forest Ecology and Management
ISSN:  0378-1127
出版年: 2017
卷: 396
起始页码: 85
结束页码: 90
语种: 英语
英文关键词: Forest conservation ; Land snails ; Leaf litter ; Microclimate ; Mollusca ; Woody debris
Scopus关键词: Biodiversity ; Conservation ; Debris ; Forestry ; Wood ; Forest conservation ; Land snails ; Leaf litter ; Microclimate ; Mollusca ; Woody debris ; Molluscs ; biodiversity ; coarse woody debris ; conservation ; dead wood ; forest canopy ; forest cover ; herb ; leaf litter ; microclimate ; mollusc ; snail ; temperate forest ; Conservation ; Dead Wood ; Forest Litter ; Forests ; Gastropoda ; Mollusca ; Stylommatophora
英文摘要: Terrestrial gastropods can benefit from coarse woody debris, even though they are not saproxylic because dead wood maintains suitable microclimatic conditions and provides food resources and essential nutrients, e.g. calcium. Effects of dead wood on terrestrial gastropods have been studied mostly for coarse woody debris at intermediate and advanced stages of decomposition. However, it remains unclear whether dead wood at an early stage of decomposition and of small diameter has similar positive effects on terrestrial gastropods and how effects of dead wood are mediated by canopy openness. We experimentally exposed different amounts of fresh coarse and fine woody debris on 190 temperate forest plots with either high or low canopy openness and studied terrestrial gastropod activity three years after. Plots with high canopy openness had dense herb layers. Feeding activity of gastropods was higher close than distant to dead wood. This effect was stronger on shady plots. The amount of both fine and coarse woody debris positively affected the feeding activity of gastropods, but only on shady plots. The effect of coarse woody debris amount might be partly due to increased leaf litter accumulation. Our results indicated that dead wood plays a stronger role for terrestrial gastropods in shady than in sunny forests with a dense herb layer and that terrestrial gastropods benefit from both coarse and fine woody debris already at an early stage of decomposition. Thus, conservation strategies that aim at maintaining biodiversity of saproxylic assemblages by retaining or adding dead wood are also beneficial for gastropods, especially in shady forests. © 2017 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/64325
Appears in Collections:影响、适应和脆弱性

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作者单位: Bavarian Forest National Park, Freyunger Str. 2, Grafenau, Germany; Department of Biodiversity and Landscape Ecology, Faculty of Biology/Chemistry, University of Osnabrück, Barbarastraße 13, Osnabrück, Germany; Institute of Biodiversity and Landscape Ecology (IBL), Hafenweg 31, Münster, Germany; Field Station Fabrikschleichach, Department of Animal Ecology and Tropical Biology, Biocenter, University of Würzburg, Glashüttenstraße 5, 96181 Rauhenebrach, Germany; Büro für ökologische Studien, Oberkonnersreuther Str. 6a, Bayreuth, Germany; Terrestrial Ecology Research Group, Department of Ecology and Ecosystem Management, Center for Food and Life Sciences Weihenstephan, Technische Universität München, Hans-Carl-von-Carlowitz-Platz 2, Freising, Germany

Recommended Citation:
Kirchenbaur T.,Fartmann T.,Bässler C.,et al. Small-scale positive response of terrestrial gastropods to dead-wood addition is mediated by canopy openness[J]. Forest Ecology and Management,2017-01-01,396
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