Gladstone Permanent Transect Seagrass Monitoring: December 2012 update report

McCormack, C.V., Sankey, T.L., and Rasheed, M.A. (2013) Gladstone Permanent Transect Seagrass Monitoring: December 2012 update report. Report. TropWATER, James Cook University, Cairns, QLD, Australia.

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Abstract

Seagrass is being monitored at permanent transects at 10 different locations in Port Curtis and Rodd's Bay on a monthly basis. This update report provides results for seagrass percent cover from the most recent monthly survey of permanent transects undertaken on the 12th and 13th December 2012.

Seagrass has been monitored quarterly at permanent transects at seven locations in Port Curtis and Rodd's Bay since November 2009 (excluding Redcliffe which has been monitored since August 2010) (see maps on pages 3 to 6). The program was established to determine within and among year variation in seagrass condition and form the key sensitive receptor sites for assessing seagrass condition during the Western Basin dredging operation.

In September 2011, Gladstone Ports Corporation Limited commissioned additional monthly surveys outside of the regular quarterly monitoring to provide more frequent assessments of seagrass condition during dredging operations. These additional monthly surveys are conducted aerially to avoid damaging sites through repeated on-ground sampling.

An additional permanent transect site was es tablished at Wiggins Island (December 2011) due to the development of the Wiggins Island Coal Terminal near the original site. An additional site was also established at Facing Island (March 2012) where changes in meadow distribution resulted in the original si te being situated at the edge of the meadow. In August 2012, an additional site was also established at Redcliffe. This site is located adjacent to the main channel where any impacts associated with dredging are more likely to occur. Both the original and new sites at these locations are being monitored to determine if there are significant differences in seagrass communities between sites.

In August 2012 three new sites were established in the Narrows region to monitor seagrass during dredging occurring as part of the Narrows Pipeline Crossing (see Map page 6).

Item ID: 45889
Item Type: Report (Report)
Keywords: seagrass, monitoring, dredging, Gladstone, Port Curtis, Western Basin Dredging and Disposal Project
Additional Information:

A Report for Gladstone Ports Corporation (GPC).

Related URLs:
Funders: Gladstone Ports Corporation (GPC)
Date Deposited: 28 Sep 2016 05:25
FoR Codes: 05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050206 Environmental Monitoring @ 100%
SEO Codes: 96 ENVIRONMENT > 9605 Ecosystem Assessment and Management > 960503 Ecosystem Assessment and Management of Coastal and Estuarine Environments @ 100%
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