NSW Department of Primary Industries

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

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  1. FISHERIES FINAL REPORT SERIES | NO. 149 Survey of ...

    Error bars represent one standard error. 90. Figure 61 Total catch numbers (kept and released), harvest numbers (kept), and proportion (%) of the total catch released for key marine species, by residents ... West et al. NSW/ACT Recreational Fishing

  2. Knight

    33. Distribution and total catch. 33. Relative abundance and population structure of Oxleyan pygmy perch. ... These include formally protecting water bodies supporting the species; restoring fish passage; rehabilitating degraded habitats; working with

  3. PRE/POST CHAPTER HEADING

    Logbooks may provide a cost-effective method for assessing (i) recruitment in terms of the abundance of undersized kingfish, and (ii) any changes in the mean sizes of kingfish landed. ... Fisher logbooks may be the most cost-effective way to monitor

  4. Fish communities of the Murrumbidgee catchment: Status and trends

    Although they do not have as high a biomass as carp, the abundance and widespread distribution of redfin perch and eastern gambusia is also likely to have significant impacts on native ... and significant increases in the abundance of alien redfin perch

  5. A preliminary assessment of the historical, current and future cover of seagrass in the estuary of the Parramatta River

    In a geomorphic context (sensu Roy 1984), seagrasses grow mainly in the Marine Tidal Delta and the Central Mud Basin portions of an estuary. ... Calculations of change in cover are presented in terms of the entrance to the estuary (Marine Tidal Basin),

  6. 1747_Lachlan Macquarie perch habitat project_FORMATTED_V2

    11. Figure 3. The distribution and abundance of Macquarie perch at sites sampled in the upper Lachlan and Abercrombie Rivers within the last three years (2006 – 2009). ... Therefore, further analyses that quantify the habitat needs of Macquarie perch,

  7. Gillreportfinal_Formatted_091003

    Analyses of similarity identified that the structure (species composition and relative abundance) of catches differed between estuaries, but not between sampling periods. ... Similarity matrices based on the Bray- Curtis similarity measure were generated

  8. The Sydney inshore trawl-whiting fishery: codend selectivity

    Species relative abundance and biomass in T4mm100 and control.95 8.2.4. Species relative abundance and biomass in T5mm200 and control.96. ... 3.2.8. Faunal composition and relative abundance. Scientific names and common names for fish species follow

  9. A review of seagrass planting as a means of habitat compensation following loss of seagrass meadow

    It is known from reviews completed up to the late 1990s that seagrass restoration techniques have only been successful in replacing small areas of habitat, and efforts to replace larger areas ... australis and Z. capricorni since 2000 (see Appendix 1)

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

    45. Table 7. Abundance of fish species caught from 23 paired samples approaching the bottom and exiting the top of the Stroud Weir Fishway. ... 2001), and use a variety of freshwater, estuarine and marine habitats throughout their life-cycle (Robinson et

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