Logging and burning impacts on cockroaches, crickets and grasshoppers, and spiders in Jarrah forest, Western Australia
作者： Ian Abbott , Tom Burbidge , Karin Strehlow , Amanda Mellican , Allan Wills
DOI: 10.1016/S0378-1127(02)00058-0
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摘要: In 1985 new silvicultural prescriptions for managing Jarrah (Eucalyptus marginata) forest in southwest Western Australia came into operation. The most extreme logging treatment involved removal of the overstorey from 10 ha patches, followed by a regeneration fire. This study, part broader integrated research program, examined impact these disturbances on more than 400 species leaf litter arthropods captured pitfall traps one year before logging, 1 burning, and 4 years after burning. Most cockroaches (Blattodea), crickets grasshoppers (Orthoptera), spiders (Araneae) were resilient to immediate decreases richness or total abundance rapidly reversed. Changes community structure caused imposed also minimal short term. Community both control sites at end study was different that beginning perhaps indicative overriding importance climatic variation. The results this have relevance understanding long-term resilience ecosystems Australia. Because role taxa studied mediating decomposition, herbivory predation, ecosystem processes appear be robust burning applied.
murdoch.edu.au
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