Does wood type influence the colonisation of this habitat by macroinvertebrates in large lowland rivers?

Jarod P. Lyon, Simon J. Nicol, Jason A. Lieschke, David S.L. Ramsey

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Submerged woody habitat provides the major structure around which ecological processes operate in many lowland rivers. Colonisation by macroinvertebrates was measured in a south-eastern Australian river over a 32-day period in an experiment testing the hypothesis that wood type influences the invertebrate assemblage structure. The wood types were green wood, dry wood, and dry but previously waterlogged wood. All wood used was river red gum (Eucalyptus camaldulensis). Macroinvertebrates colonised previously waterlogged wood more rapidly than green or dry wood. The assemblage structure varied significantly over the sampling period, with copepods and cladocerans numerically dominating the assemblage during the first few days after the introduction of the wood. The assemblage became more diverse through time and was numerically dominated by dipterans, ephemeropterans and trichopterans. The results indicate that there was little difference in the time taken for macroinvertebrate colonisation after wood introduction when using either green or dry wood. This has implications for large-scale restoration projects, where green wood is likely to be a more readily available option for reintroduction than dry wood.

Original languageEnglish
Pages (from-to)384-393
Number of pages10
JournalMarine and Freshwater Research
Volume60
Issue number5
DOIs
Publication statusPublished - 18 Jun 2009
Externally publishedYes

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macroinvertebrates
macroinvertebrate
lowlands
colonization
rivers
habitat
habitats
river
Eucalyptus camaldulensis
reintroduction
Trichoptera
Ephemeroptera
Copepoda
invertebrate
invertebrates

Cite this

Lyon, Jarod P. ; Nicol, Simon J. ; Lieschke, Jason A. ; Ramsey, David S.L. / Does wood type influence the colonisation of this habitat by macroinvertebrates in large lowland rivers?. In: Marine and Freshwater Research. 2009 ; Vol. 60, No. 5. pp. 384-393.
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Does wood type influence the colonisation of this habitat by macroinvertebrates in large lowland rivers? / Lyon, Jarod P.; Nicol, Simon J.; Lieschke, Jason A.; Ramsey, David S.L.

In: Marine and Freshwater Research, Vol. 60, No. 5, 18.06.2009, p. 384-393.

Research output: Contribution to journalArticle

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