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

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  1. FISHERIES FINAL REPORT SERIES | NO. 155

    commercial shipping lanes, ACMA cable exclusion zones, marine protected areas), location of suitable substrata to support the structure, distribution of habitats, avoidance of locations supporting threatened species, and other coastal and.

  2. DEWHA Movements & Diving Final Report July 2009_FORMATTED V2

    2007, 2008) have been documented using this technique. Data on the localised movements of sharks can inform management agencies and help determine spatial and temporal fishing closures and/or marine protected ... areas to assist with the conservation of

  3. FISHERIES FINAL REPORT SERIES | NO. 152 Improved fish ...

    Several studies have confirmed that the weirs and dams in the system have had a major effect on the distribution and abundance of native fish, macro-invertebrate taxa and mussels (Baumgartner ... 2010; Mallen-Cooper 2009). The low abundance of the

  4. FISHERIES FINAL REPORT SERIES | NO. 148 Observer-based study ...

    many marine protected areas (MPAs – e.g. ... This, in combination with the aforementioned issue of protected and/or threatened shark species possibly being at risk from the OTLF, highlighted the urgency for fisher-independent, scientific data

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

    The following downstream fish passage criteria are based upon thresholds of decompression and fluid shear. ... Should not exceed 10 cm s-1cm-1 in areas and times of suspected larval Murray cod larval drift.

  6. Draft Scientific Report

    Because larvae require light to feed, the photoperiod can also affect growth and survival of marine fish larvae. ... Pond fertilisation regimes and pond management schedules, which were used in the trials were developed by Glen Searle over many years to

  7. Fish communities and migration in the Shoalhaven River –Before construction of a fishway

    This survey provided essential information on seasonal and annual variation in fish distributions and abundance, which will be critical to detect changes in fish communities that have resulted from construction of ... All fish require the ability to move

  8. PRE/POST CHAPTER HEADING

    Marine and Freshwater Research 52, 987-993. 101. Appendix 6. Gray, C.A., Larson, R.B., Kennelly, S.J. ... Marine and Freshwater Research 51, 749-753. 125. Appendix 8. Gray, C.A., Kennelly, S.J.

  9. Crawford River Report, DM Gilligan

    Table 8. Contributions of individual species to the dissimilarity of the fish communities within upstream areas of the Myall and Crawford Rivers.23. ... The abundance of two migratory species (striped gudgeon and empire gudgeon) have increased

  10. An assessment of changes in recreatonal fishery of the Tuross Lake estuary following the establishment of a 'Recreational Fishing Haven'

    Shoreline access to the recreational fishery was minimal because there were large areas of densely vegetated shoreline, and large rural/private properties that precluded public access to the shoreline. ... These discussions with stakeholders identified

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