NSW Department of Primary Industries

You searched for `marine protected areas for the conservation of threatened`

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  1. Assessment of a Dual-frequency Identification Sonar (DIDSON) for application in fish migration studies

    Bob Creese, Steve Kennelly and Ian Wooden are thanked for their helpful comments on early versions of the document. ... Although the adoption of various management strategies (such as weir removal and fishway construction), has improved fish populations

  2. Assessment of shark sighting rates by aerial beach patrols - Fisheries Final Report Series

    Carr of the Jervis Bay Marine Park are thanked for their support of this project. ... 2010, Cunningham et al. 2010). Sightings of such air-breathing marine species are easier than for submerged species, as they are more visible on the water surface (Ross

  3. Development of fish screening criteria for water diversions in the Murray-Darling Basin

    We would also like to thank Les Perkins from the Farmers Conservation Alliance who allowed us to tour farmers’ screens in Oregon and also provided detailed design information. ... Pump – A diesel-powered, mixed-flow (centrifugal) pump with a gear

  4. Assessment of artificial reefs in Lake Macquarie NSW

    Initial constraint mapping identified potential areas that would be suitable for the deployment of a series of artificial reefs. ... due to physical constrains (depth, sediment type, seagrass beds, protected areas) or interference with existing

  5. 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.

  6. Improved Early Survival of Molluscs:Sydney Rock Oyster (Saccostrea glomerata)

    Dr. Gibson’s team had identified several strains of Aeromonas bacteria with demonstrable inhibitory effects on marine Vibrio bacteria of known pathogenicity to finfish and invertebrate larvae including those of the ... stored seawater sourced from the

  7. Major Fish Kills in the Northern Rivers of NSW in 2001: Causes, Impacts & Responses

    Not all areas of the river were equally affected, with the South Arm being more affected than other sections. ... 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

  8. PRE/POST CHAPTER HEADING

    2008; Blaber 1980). For many species, these freshwater to estuarine/marine migrations are an obligatory process required for the species to fulfil its life cycle and, if impeded, result in the ... Indeed, many Australian diadromous species are thought to

  9. Carp in NSW: Assessment of Distribution, Fishery and Fishing Methods

    Mapping the current range of carp provides a means of identifying environmentally valuable areas as a basis for the implementation of strategies for high risk / high value areas most likely to ... During the early stages of the process, Code 2 was used

  10. List of Tables

    Figure 6. Map of the Australian Fishing Zones (AFZ). Shaded areas (east coast A and B) indicate the areas where data on the weights of commercially caught fish from the billfish ... Changes to the rules reflect a change of attitude among the gamefishing

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