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Environmental Research in Macquarie Harbour - FRDC 2016/067: Understanding oxygen dynamics and the importance for benthic recovery in Macquarie Harbour

Citation

Ross, J and Wild-Allen, K and Andrewartha, J and MacLeod, C, Environmental Research in Macquarie Harbour - FRDC 2016/067: Understanding oxygen dynamics and the importance for benthic recovery in Macquarie Harbour, Institute for Marine and Antarctic Studies, UTAS, Hobart, Tasmania, June, Progress Report (2018) [Government or Industry Research]


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Abstract

This report provides an update on the status of dissolved oxygen (DO) and benthic conditions in Macquarie Harbour. It follows on from the results outlined in the IMAS reports released in January, May, September 2017 and January 2018. These reports described a deterioration of benthic and water column conditions in Macquarie Harbour in spring 2016, early signs of faunal recovery observed in May 2017 and a subsequent decline in benthic conditions in spring 2017 when oxygen concentrations in middle and bottom waters returned to very low levels. Oxygen concentrations in the middle and bottom waters have since improved through the summer of 2017/18 due to recharge events that commenced in late spring 2017. This report presents the results and preliminary interpretation of a repeat survey of benthic communities in January 2018 and DO monitoring data up until the beginning of May 2018. This work is part of the research project (FRDC Project 2016-067: Understanding oxygen dynamics and the importance for benthic recovery in Macquarie Harbour to address these needs) funded by the Fisheries Research Development Corporation with the support of both industry and government (EPA and DPIPWE); the scope and funding for the project was recently extended for a further two years (until April 2020).

Item Details

Item Type:Government or Industry Research
Keywords:dissolved oxygen, benthic conditions, Macquarie Harbour
Research Division:Agricultural and Veterinary Sciences
Research Group:Fisheries Sciences
Research Field:Aquaculture
Objective Division:Environment
Objective Group:Ecosystem Assessment and Management
Objective Field:Ecosystem Assessment and Management of Coastal and Estuarine Environments
UTAS Author:Ross, J (Dr Jeff Ross)
UTAS Author:MacLeod, C (Associate Professor Catriona MacLeod)
ID Code:128679
Year Published:2018
Deposited By:Sustainable Marine Research Collaboration
Deposited On:2018-10-05
Last Modified:2018-10-08
Downloads:1 View Download Statistics

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