NSW Department of Primary Industries

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

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  1. Port of EdenIntroduced Marine Pest Species Study

    sound knowledge of the current distribution and abundance of introduced species in Australian ports. ... Overall, the patterns of distribution and abundance of the main introduced species (except for M.

  2. List of Tables

    Catch rates were found to be highly variable indicating year to year fluctuations in the availability and relative abundance of most. ... These indices of CPUE provide information on the relative distribution and abundance of tuna and billfish resources

  3. Eradicating and preventing the spread of the invasive alga Caulerpa taxifolia in NSW

    The role of fragments in contributing to spread.16. 3.1.1. Spatial and temporal patterns of abundance and biomass of C. ... taxifolia fragments. 16 3.1.2. Preliminary assessment of abundance and biomass of fragments within seagrass beds.

  4. Observer-based study of targeted commercial fishing for large shark species in waters off northern New South Wales

    Further, discarding of catch was concluded to be a potentially moderate to high risk to primary and key secondary species, non-target species, and some protected and/or. ... species of whaler, hammerhead and mackerel shark (excluding the protected great

  5. The effects of selected irrigation practices on fish of the Murray-Darling Basin

    It is likely that such a degree of development has had a substantial impact on the abundance and distribution of aquatic fauna. ... Specifically, the project aimed to quantify the composition and abundance of fish entrained in irrigation systems, compare

  6. Assessing likelihoods of marine pest introductions in Sydney estuaries: A transport vector approach

    abundance. The other marine pests not yet in Australia that rank highly as potential invaders of Botany Bay, based on number of vector connections, include three crab species (Hemigrapsus takanoi, Hemigrapsus ... 2006). But, as for commercial vessels,

  7. 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

  8. 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

  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. 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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