NSW Department of Primary Industries

You searched for `abundance and identification of marine protected areas`

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  1. Lake Macq_FINAL REPORT_from Steffe 280803_FORMATTED

    There is a level of uncertainty associated with the estimation of recreational harvest (see standard errors) and the declared commercial production data are self-reported and the size and identification of ... The location of public boat ramps, high

  2. Determining appropriate sizes at harvest for species shared by the commercial trap and recreational fisheries in New South Wales

    The MCDA may provide additional benefits including: (i) identifying areas where information is lacking and; (ii) providing a mechanism for performance assessment of management changes in achieving the pre- defined objectives. ... These daily logs provide

  3. Investigating and managing the Perkinsus-related mortality of blacklip abalone in NSW

    24 3.2.4. Comparisons among alternative indices of abundance and model-based estimates of biomass. ... Indices of abundance of abalone were derived from fishery-dependent catch and effort data, fishery-independent surveys and estimates provided by

  4. Broad-Scale Interactions Between Fishing and Mammals, Reptiles and Birds in NSW Marine Waters

    The likelihood of the occurrence of operational interactions is increased by fishers operating in areas of high primary productivity where marine wildlife feed and by marine wildlife being attracted to fishing ... The precise fishing method, effort and

  5. Scientific reports on the recovery of the Richmond and ...

    Therefore, we are primarily restricted to making inferences about the recovery of the fish and crustacean populations by interpreting spatial and temporal trends in the distribution and abundance of fish and ... An appropriate experimental design is

  6. 299_FRDC Urchins_REPORT formatted for printing_Oct03_Part –

    Surveys of abundance and biomass are completed independent of many fisheries (e.g. ... Many studies have investigated spatial and temporal variation in the density of sea urchins, but comparatively few have been designed to enable estimates of abundance

  7. Beaches and Headland Ecological FFreport_146

    in different areas of the marine park. ... ii) scientific research. The goal was to establish a comprehensive, adequate and representative system of marine protected areas that includes a full range of marine biodiversity at ecosystem, habitat and

  8. Second NSW North Coast shark-meshing trial final report

    relative abundance of target sharks; and/or the subsequent consequence of (2) fewer prey (e.g. ... clear. Intuitively, any local mortality of potentially dangerous sharks should infer a reduced probability of shark–human interactions, and certainly a

  9. Marine-Fish-Stocking-Vol-II-Online-Version.pdf

    threatened species, marine protected areas (MPAs), habitat condition), economic (e.g. local economic dependencies), social (e.g. ... Matters of NES relevant to fish stocking activities include: declared World Heritage areas (WHAs), declared Ramsar

  10. PRE/POST CHAPTER HEADING

    However, assessments of carp abundance and biomass within screened and un-screened wetlands found that fish screens did not prevent the re-colonisation of carp in managed wetlands (Nicols and Gilligan ... Potential sites were sampled with fyke nets, gill

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