An experimental assessment of impacts of pollution sources on sessile biota in a temperate urbanised estuary.

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2018
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Abstract
Populations of macro-algae and sessile invertebrates have precipitously declined in urbanised coastal waters in Australia since European occupation. Responses of healthy subtidal sessile assemblages to cumulative impacts and types of urban impacts were measured in one of the most polluted estuaries in Australia - the Derwent Estuary - by transplanting sessile communities established on pavers to locations adjacent to marinas, sewerage outfalls, fish farm cages, and stormwater discharges, each with associated controls. Reef communities translocated to sites adjacent to central urban pollution sources (within 5 km of Hobart) lost canopy-forming algae. Fish farms, marinas, and storm water drains were all characterised by higher filamentous algal cover than their controls. Marinas were associated with losses in canopy and foliose algae. Restoration of subtidal reef near highly urbanised areas is unlikely to be successful until current pollution levels are dramatically reduced.
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fowles2018anmarine Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Fowles, Amelia E;Edgar, Graham J;Hill, Nicole;Stuart-Smith, Rick D;Kirkpatrick, Jamie B;
Journal Marine pollution bulletin
Year 2018
DOI
S0025-326X(18)30358-8
URL
Keywords
Biodiversity macroalgae fish farm marina sewerage outfall stormwater discharge

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