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Sampling macroinvertebrate communities from natural snags (large woody debris) is difficult, particularly in southeastern Australia where the predominant river red gum snags are very large and heavy. This makes removal of natural snags impractical. The Snag Bag is a new method for sampling macroinvertebrates from natural snags. It consists of a 250 μm mesh bag with the sides closed by ‘Velcro’. When...
The macroinvertebrate communities of large lowlandrivers are little studied, partly because of the lackof suitable collection methods. In this study, fourmacroinvertebrate collecting methods: two artificialsubstrates, snags and onion-bag baskets; air-liftsampling of soft sediments; and sweep net sampling ofedges (including macrophyte stands where theyoccurred) were trialed in four lowland rivers withinthe...
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