Coarse woody debris, biodiversity and management: a review with particular reference to Tasmanian wet eucalypt forests

Grove, Simon; Meggs, Jeff

doi:10.1080/00049158.2003.10674920

Cited by 57 publications

(63 citation statements)

References 134 publications

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“…CWD greatly contributes to the structural complexity of the forest floor, providing a range of microclimates and microhabitats for colonising arthropods, and allowing a greater number and diversity of arthropods to co-exist in one area (Grove and Meggs, 2003;Harmon et al, 1986;Jabin et al, 2004). The presence of CWD may have both indirect and direct effects on arthropod communities.…”

Section: Introductionmentioning

confidence: 99%

“…The composition of arthropod communities on the forest floor has been shown to change in response to the influence of logs, and/or to litter build-up around them, due to changes in microsite moisture and temperature, or to inputs of woody fragments that alter the physical or chemical properties of the forest floor layers (Evans et al, 2003). As different types of CWD exist within the forest ecosystem (decomposition state, situation, microhabitats and species), CWD can also directly support a large variety of dependant arthropod fauna which otherwise would not be present within the area (Grove and Meggs, 2003), including those which are dependant on decaying wood microhabitats, and predatory arthropods that use CWD as areas of feeding and temporary residence.…”

Section: Introductionmentioning

confidence: 99%

“…They found that mass of CWD varied with forest age and with forest type, being lower in drier woodland communities and highest in wetter forests, but with significant effects of forest management. Grove and Meggs (2003) concluded that highly managed forests in Tasmania often have a dearth of CWD, with potential consequences for dependent biodiversity. However, past logging activities may increase CWD loads on the forest floor.…”

Section: Introductionmentioning

confidence: 99%

“…It consists of material generally greater than 7.5 cm in diameter" (Stevens, 1997). However, most studies that have been conducted on CWD loosely define it as fallen dead wood with diameter at the smallest end being in excess of 10 cm (Grove and Meggs, 2003;Kruys and Jonsson, 1999;Nordén et al, 2004). This includes fallen branches, stumps, snags, whole fallen trees and pieces of fragmented wood (Woldendorp et al, 2004).…”

Section: Introductionmentioning

confidence: 99%

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Arthropods in coarse woody debris in jarrah forest and rehabilitated bauxite mines in Western Australia

et al. 2010

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Abstract• Coarse woody debris (CWD) is returned to Alcoa's rehabilitated mined areas in the jarrah forest as potential vertebrate fauna habitat, however, its value for invertebrate fauna has not been investigated. We sought to determine if CWD in rehabilitated areas supported a similar arthropod fauna to that on fallen logs in the adjacent unmined jarrah forest.• Using emergence tents, sampling from logs in 5-year old and 15-year old rehabilitated forest, and in unmined forest, yielded 2 266 specimens from 187 taxa. Collembola (43% of total) and Acarina (32%) were the most abundant groups, followed by Diptera (11%), Araneae (4%) and Coleoptera (3%).• There were no significant differences in either taxa richness or overall abundance among the three forest types. However, community composition varied significantly. Species richness from the Araneida, Coleoptera and Diptera was highest in the 5-year old rehabilitated forest, while Collembola and Acarina were better represented in the unmined forest; this was related to changes in the environment surrounding the logs as rehabilitated forest develops, and to log condition. The composition of arthropods on logs in the 15-year old rehabilitated forest was intermediate, indicating a trend of increasing similarity to the unmined forest in arthropod fauna as the rehabilitated forest ages.• We suggest that over longer time periods, CWD in rehabilitated forest will support arthropod communities similar to those found in unmined forest. Future work should determine if returning logs to mined areas facilitates the return of CWD-dependent taxa. Mots-clés :débris ligneux grossiers / mine de bauxite / Diptera / Araneae / Coleoptera Résumé -Les arthropodes dans les débris ligneux grossiers de la forêt de jarrah et dans les mines de bauxite réhabilitées en Australie occidentale.• Les débris ligneux grossiers (CWD) sont retournés dans les zones de mines réhabilitées à Alcoa dans la forêt de jarrah comme habitat potentiel de la faune des vertébrés, cependant sa valeur pour la faune invertébrée n'a pas été étudiée. Nous avons cherché à déterminer si les CWD en zones réhabilitées soutenait une faune semblable à celle des arthropodes des arbres abattus dans la forêt adjacente de jarrah.• L'utilisation de tentes d'émergence et l'échantillonnage à partir de billes de 5 et 15 ans dans la forêt réhabilitée et dans la forêt sans mine, a fourni 2 266 spécimens de 187 taxons. Collembola (43 % du total) et Acarina (32 %) ont été les groupes les plus abondants, suivis par Diptera (11 %), Araneae (4 %) et Coleoptera (3 %).• Il n'y avait pas de différences significatives dans la richesse ou l'abondance chez l'un ou l'autre des taxa entre les trois types de forêts. Toutefois, la composition de la communauté a varié de façon significative. La richesse des espèces de Araneida, Coleoptera et Diptera a été la plus élevée dans la forêt réhabilitée âgée de 5-ans, tandis que Collembola et Acarina étaient mieux représentés dans la forêt sans mine ; ce qui a trait aux changements de l'environnement entoura...

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Arthropods in coarse woody debris in jarrah forest and rehabilitated bauxite mines in Western Australia

et al. 2010

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“…Features like wooden logs in landscapes can have effects similar to micro-landforms in the landscapes. Coarse woody debris and logs provide unique micro-site conditions by obstructing surface flows Ludwig, 1996, Ludwig et al, 2005) and retaining more soil moisture (Grove and Meggs, 2003). They also protect the mycorrhizal fungi and associated flora from disturbances (Perry et al, 1989).…”

Section: Influence Of Landforms On Abiotic Conditionsmentioning

confidence: 99%

Quantification of landform heterogeneity and its relationship with ecological patterns in broad-scale post-mine rehabilitation

Datar¹

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Abstract:Broad-scale surface mining of minerals and quarrying for construction material is usually associated with significant alteration of topography and substantial disturbance to ecological systems. Post-mining ecological rehabilitation typically starts with reconstruction of topography. A fairly common industry practice has been to use landform elements such as plateaus, terraces, and gentle slopes to assist with stabilizing unconsolidated mine waste material. However, this approach often leads to the generation of uniform landform features that do not typically reflect those in natural landscapes. Previous research in undisturbed and agricultural landscapes shows that ecological attributes and diversity is positively correlated with landform heterogeneity. The objective of this thesis was to investigate if those findings were still valid in post-mining rehabilitated landscapes using information and knowledge captured from a history of sites mined for heavy mineral sands on North Stradbroke Island

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Soil Carbon in Mediterranean Ecosystems and Related Management Problems

Rodeghiero¹,

Sánchez²,

Díaz‐Pinés³

et al. 2011

Soil Carbon in Sensitive European Ecosystems

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CH 1 INTRODUCTION TO CARBON IN SENSITIVE EUROPEAN ECOSYSTEMSuse of soils has led to a strong decline of soil carbon worldwide (Lal, 2004). Marginal agricultural land in Europe is frequently being afforested, with strong implications on carbon fluxes and pools. The state-of-knowledge for land use change is covered and evidence given on how well the understanding of carbon processes is supported by real data. A particular challenge is the temporal extent of the soil carbon change. Consequently, the chapter also explores how knowledge on land use change can be reconciled with the time frame of reporting.Another chapter deals with disturbances. It is well understood that ecosystem disturbance changes the total carbon pool much quicker and sometimes with more severity than with the gradual evolution of an ecosystem (Körner, 2003). A series of natural and anthropogenic ecosystem disturbances are evaluated with hindsight to soil carbon pools, and it is demonstrated how management may affect the pools. The final chapter in the first part presents an overview on knowledge of soil carbon pools from a European perspective. This information is of crucial importance because it sets the limitations on an international soil carbon accounting scheme. It also addresses the highly important question of the baseline of soil carbon stocks that should be used when interpreting the current stock and stock changes of soil carbon.Part 2 of the book picks out several types of ecosystems of particular relevance. It is intended to find a niche for this text by focusing on soils that deserve more attention than they have received in the past. In a chapter on mountain and high latitude ecosystems, the topic of above-average warming as predicted by the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) (Fischlin et al., 2007) is covered. Nevertheless, the biological activity of soil microorganisms is constrained by low temperatures and a short growing season. In a warmer climate substantial quantities of carbon dioxide may be lost from soils. A second strong driver is land use change due to the abandonment of alpine pastures and the subsequent reforestation.A comprehensive treatment is given to 'Peatlands'. From the knowledge of processes and responses of upland (mineral) soils to global warming, only limited predictions can be deduced for peatlands. Even their delineation on soil maps is uncertain. However, peatlands are a heterogeneous group of soils with different emissions. Drainage and subsequent land use change can have a strong effect on carbon fluxes and GHG emissions. The fate of peatlands as a consequence of climate change calls for a rigorous evaluation.A separate chapter is devoted to Mediterranean ecosystems. Simulation models predict a low carbon sequestration potential for Mediterranean forest soils, mainly because the productivity of sites with a prolonged summer drought is low. More important than adapted forest management may be the effect of land use change (afforestation), because it may rever...

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Coarse woody debris, biodiversity and management: a review with particular reference to Tasmanian wet eucalypt forests

Cited by 57 publications

References 134 publications

Arthropods in coarse woody debris in jarrah forest and rehabilitated bauxite mines in Western Australia

Arthropods in coarse woody debris in jarrah forest and rehabilitated bauxite mines in Western Australia

Quantification of landform heterogeneity and its relationship with ecological patterns in broad-scale post-mine rehabilitation

Soil Carbon in Mediterranean Ecosystems and Related Management Problems

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