Cave invertebrate assemblages differ between native and exotic leaf litter

DSpace/Manakin Repository

Search OPUS


Advanced Search

Browse

My Account

Show simple item record

dc.contributor.author Hills, N
dc.contributor.author Hose, GC
dc.contributor.author Cantlay, AJ
dc.contributor.author Murray, BR
dc.date.accessioned 2010-05-28T09:45:41Z
dc.date.issued 2008-05
dc.date.issued 2008-05
dc.identifier.citation Austral Ecology, 2008, 33 (3), pp. 271 - 277
dc.identifier.citation Austral Ecology, 2008, 33 (3), pp. 271 - 277
dc.identifier.issn 1442-9985
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/8827
dc.description.abstract Allochtonous leaf litter is an important source of energy and nutrients for invertebrates in cave ecosystems. A change to the quality or quantity of litter entering caves has the potential to disrupt the structure and function of cave communities. In this study, we adopted an experimental approach to examine rates of leaf litter decomposition and the invertebrate assemblages colonizing native and exotic leaf litter in limestone caves in the Jenolan Caves Karst Conservation Reserve, New South Wales, Australia. We deployed traps containing leaf litter from exotic sycamore (Acer pseudoplatanus) and radiata pine (Pinus radiata) trees and native eucalypts (Eucalyptus spp.) in twilight zones (near the cave entrance) and areas deep within the caves for 3 months. Thirty-two invertebrate morphospecies were recorded from the litter traps, with greater richness and abundance evident in the samples from the twilight zone compared with areas deep within the cave. Sycamore litter had significantly greater richness and abundance of invertebrates compared with eucalypt and pine litter in samples from the twilight zone, but there was no difference in richness or abundance among litter samples placed deep within the cave. Relative rates of decay of the three litters were sycamore > eucalypt > pine. We discuss the potential for the higher decomposition rates and specific leaf area in sycamores to explain their higher invertebrate diversity and abundance. Our findings have important implications for the management of exotic plants and the contribution of their leaf litter to subterranean ecosystems. © 2008 The Authors.
dc.description.abstract Allochtonous leaf litter is an important source of energy and nutrients for invertebrates in cave ecosystems. A change to the quality or quantity of litter entering caves has the potential to disrupt the structure and function of cave communities. In this study, we adopted an experimental approach to examine rates of leaf litter decomposition and the invertebrate assemblages colonizing native and exotic leaf litter in limestone caves in the Jenolan Caves Karst Conservation Reserve, New South Wales, Australia. We deployed traps containing leaf litter from exotic sycamore (Acer pseudoplatanus) and radiata pine (Pinus radiata) trees and native eucalypts (Eucalyptus spp.) in twilight zones (near the cave entrance) and areas deep within the caves for 3 months. Thirty-two invertebrate morphospecies were recorded from the litter traps, with greater richness and abundance evident in the samples from the twilight zone compared with areas deep within the cave. Sycamore litter had significantly greater richness and abundance of invertebrates compared with eucalypt and pine litter in samples from the twilight zone, but there was no difference in richness or abundance among litter samples placed deep within the cave. Relative rates of decay of the three litters were sycamore > eucalypt > pine. We discuss the potential for the higher decomposition rates and specific leaf area in sycamores to explain their higher invertebrate diversity and abundance. Our findings have important implications for the management of exotic plants and the contribution of their leaf litter to subterranean ecosystems. © 2008 The Authors.
dc.language eng
dc.language eng
dc.relation.isbasedon 10.1111/j.1442-9993.2007.01814.x
dc.title Cave invertebrate assemblages differ between native and exotic leaf litter
dc.type Journal Article
dc.description.version Published
dc.parent Austral Ecology
dc.parent Austral Ecology
dc.journal.volume 3
dc.journal.volume 33
dc.journal.number 3 en_US
dc.publocation Oxford, UK en_US
dc.identifier.startpage 271 en_US
dc.identifier.endpage 277 en_US
dc.cauo.name DVCRch.Institute for Water & Environmental Resource Mgmnt en_US
dc.conference Verified OK en_US
dc.for 0699 Other Biological Sciences
dc.personcode 010046
dc.personcode 980002
dc.percentage 100 en_US
dc.classification.name Other Biological Sciences en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity ISI:000254926300004 en_US
dc.description.keywords Cave fauna
dc.description.keywords Cave fauna
dc.description.keywords Exotic species
dc.description.keywords Exotic species
dc.description.keywords Invertebrates
dc.description.keywords Invertebrates
dc.description.keywords Jenolan Caves
dc.description.keywords Jenolan Caves
dc.description.keywords Leaf litter
dc.description.keywords Leaf litter
dc.description.keywords Litter decomposition
dc.description.keywords Litter decomposition
dc.description.keywords Troglobites
dc.description.keywords Troglobites
pubs.embargo.period Not known
pubs.organisational-group /University of Technology Sydney
pubs.organisational-group /University of Technology Sydney/Faculty of Science
utslib.copyright.status Closed Access
utslib.copyright.date 2015-04-15 12:17:09.805752+10
pubs.consider-herdc true
utslib.collection.history Closed (ID: 3)
utslib.collection.history School of the Environment (ID: 344)
utslib.collection.history School of the Environment (ID: 344)
utslib.collection.history School of the Environment (ID: 344)


Files in this item

This item appears in the following Collection(s)

Show simple item record