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Environmental research in Macquarie Harbour: interim synopsis of benthic and water column conditions

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posted on 2023-05-25, 18:59 authored by Donald RossDonald Ross, Catriona MacLeodCatriona MacLeod
The Macquarie Harbour water column is highly stratified due to the significant freshwater inputs from the Gordon and King Rivers, deep central basin (maximum depth ~ 50m) and shallow sill at its mouth (<5 m) that restricts exchanges with the ocean. This isolation of deep waters in the Harbour has resulted in a naturally low dissolved oxygen (DO) environment (Creswell et al., 1989; Koehnken 1996). The dark tannin rich freshwater layer limits light penetration and as a consequence productivity is low; the sediments are naturally depauperate of fauna (O’Connor et al. 1996; Talman et al. 1996; Edgar et al. 1999)

History

Commissioning body

Fisheries Research and Development Corporation

Volume

January

Pagination

37

Department/School

Institute for Marine and Antarctic Studies

Publisher

Fisheries Research and Development Corporation

Place of publication

Institute for Marine and Antarctic Studies, UTAS

Repository Status

  • Restricted

Socio-economic Objectives

Assessment and management of terrestrial ecosystems

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