Littoral macroinvertebrate communities of dune lakes in the far north of New Zealand

Autor:	Stephen R. Pohe, Oj-P Ball, Michael J. Winterbourn
Rok vydání:	2015
Předmět:	geography.geographical_feature_category Ecology Fauna Drainage basin Introduced species Aquatic Science Macrophyte Sand dune stabilization Geography Common species Littoral zone Species richness Ecology Evolution Behavior and Systematics Water Science and Technology
Zdroj:	New Zealand Journal of Marine and Freshwater Research. 49:192-204
ISSN:	1175-8805 0028-8330
DOI:	10.1080/00288330.2014.989237
Popis:	The littoral macroinvertebrate faunas of 17 dune lakes on the Aupouri Peninsula in northern New Zealand were examined. Land cover of individual catchments was principally sand dunes and scrub, plantation forest, pasture, or a mixture of plantation forest and pasture. Sampling was concentrated in the sedge beds, submerged macrophytes and surface sediment layers of the littoral zone. Sixty-eight invertebrate taxa were recorded, 11–30 per lake. Relative abundance of major faunal groups differed considerably among lakes but a core group of common species was found in three quarters of them. Neither community composition, nor various measures of species richness were related significantly to catchment land cover classes. A feature of the lake fauna was the occurrence of three introduced species of Gastropoda and eight self-introduced insect species, including five dragonflies. One of the latter, Hemicordulia australiae, was found in all lakes and made up 3% of all invertebrates collected.
Databáze:	OpenAIRE
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