You searched for `abundance and identification of marine protected areas`
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BHP Report from Budge_REVISED & FORMATTED_210803
The reduction in mesh-size also varied between sides of the seacage and between the top and bottom areas of each side. ... The reduction of biofouling in the marine sea cage industry is important for both economic and environmental reasons.
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Ageing Yellowtail (Trachurus novaezelandiae) and Blue Mackeral (Scomber australasicus) in New South Wales
Phillips) • Meeting with D. Liska of Pisces Marine (operators of Broome’s Head hatchery). ... The approach to selection for disease tolerance is largely a reaction to the existence of survivors in areas affected by disease.
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Major Fish Kills in the Northern Rivers of NSW in 2001: Causes, Impacts & Responses
well below the critical thresholds for many fish species (generally set at 4 mg/L) and commonly below 1 mg/L in large areas of all three river systems. ... The review enabled a time-line of the main processes to be constructed and presentation of
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Murray Wetlands Management and Water Recovery Initiatives: Rapid assessment of fisheries values of wetlands priorities for water recovery
The presence and relative abundance of juveniles of most of the other ten species collected is suggestive that wetlands may be important recruitment areas. ... Few rocky habitats were available (other than areas of bedrock in Back Creek and Big Barren
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NSW NORTH COAST SHARK-MESHING TRIAL FINAL REPORT
All nets measured 150 m long and 4 or 6 m deep, comprised 600-mm mesh, and were rigged with acoustic deterrents to mitigate catches of marine mammals. ... to: (1) some reduction in the relative abundance of target sharks (either via mortality or perhaps
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Monitoring of the By-Catch of Eastern Gemfish 1996 - 1999
The relative abundance of fish greater than 85 cm LCF (8 year olds and older) was very low. ... 1992 cohorts (4 and 5 year old fish) were only present in low levels of abundance.
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An Assessment of the effort and catch of shore-based and boat-based recreational fishers in the Sydney Harbour estuary over the 2007/2008 Summer period.
2001) and, despite its urban surroundings, contains an array of important habitats that support a diverse marine assemblage. ... Recreational fishing in some areas of the estuary is regulated. No fishing is allowed in Homebush Bay and the Duck River, and
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Assessment of a Dual-frequency Identification Sonar (DIDSON) for application in fish migration studies
2006, Baumgartner et al. in press). The exact mechanism by which this occurs remains unclear, although it is thought that a downstream moving fish may be exposed to areas of rapid ... 2007a). Analysis of these data permits detailed assessment of the fish
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FISHERIES FINAL REPORT SERIES | NO. 151 Koondrook–Perricoota Forest ...
Abundance of native fish in KPF waterbodies in 2015 averaged 70% of all fish collected and this the highest recorded since monitoring began;. • ... The initial formal environmental watering event from August to October 2014 resulted in areas of fish
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FISHERIES FINAL REPORT SERIES | NO. 156
Thus enabling identification and ageing of stocked fish in the harvest. ... Furthermore, the higher catch-rate of rainbow trout by recreational fishers is not necessarily an indication of a higher abundance of rainbow trout in Lake Eucumbene.
