NSW Department of Primary Industries

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

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  1. Fish habitat assessment and protection in the Barwon-Darling and Paroo Rivers

    54. Figure 5.5 Mean total fish abundance (S.E.) (a) proportion of native species in total catch (b) and abundance of four fish species (c to f) per unit effort ... Fish-habitat associations in the Barwon-Darling and Paroo Rivers. The aim of this

  2. 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.

  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. 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

  6. 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

  7. PRE/POST CHAPTER HEADING

    abundance and population structure of fish migrating through the fishway, as well as fish behaviour and environmental conditions relevant to fishway usage. ... Moreover, effective fish dispersal in coastal environments is likely to maintain the

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

    However, detailed information on the distribution and abundance of carp within NSW is limited to various scientific surveys and catch databases (both commercial and recreational). ... The distributional information derived from commercial fishery data

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

    It is likely that such a degree of development has had a substantial impact on the abundance and distribution of aquatic fauna. ... The presence of dams and weirs has had a profound effect on both the abundance and diversity of Australia’s inland fish

  10. 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,

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