You searched for `abundance and identification of marine protected areas`
Showing results 41 - 50 of 136
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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
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TABLE OF CONTENTS
the Indigenous Fishing Survey) and areas of technical expertise (e.g. statistician). ... The geographical boundaries of the survey were defined, species lists and identification cards developed and a communication strategy composed.
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Assessment of a Dual-frequency Identification Sonar (DIDSON) for application in fish migration studies
This procedure involves regressing automatic and manual estimates of fish abundance and length (generated from the operating software) against known values to determine the accuracy of DIDSON-generated data. ... The increased abundance of these small
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Assessment of shark sighting rates by aerial beach patrols - Fisheries Final Report Series
iv Summary. EXECUTIVE SUMMARY. Aerial surveys are a recognised technique to identify the presence and abundance of marine animals. ... Marine aerial surveys have therefore focussed primarily on the abundance of air-breathing animals, such as bottlenose
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Assessment of artificial reefs in Lake Macquarie NSW
due to physical constrains (depth, sediment type, seagrass beds, protected areas) or interference with existing activities or planned developments (navigation channels, anchorages, marinas). ... Areas of naturally occurring reef “reef control”
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Improved Early Survival of Molluscs:Sydney Rock Oyster (Saccostrea glomerata)
5.4.1 Challenge tests with Vibrio isolates. In June 1996, bacteriological plating of rearing water and of diseased larvae on marine agar and Harris media was used to isolate three ... and Japan (Nogami and Maeda) to be effective in combating vibriosis in
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Development of fish screening criteria for water diversions in the Murray-Darling Basin
Catches are pooled within each velocity and mesh combination. The electrofishing/seine column demonstrates the composition and relative abundance of fish captured at all the experimental site using electrofishing and seine ... 2002). The recent
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Assessment of a stocking program: Findings and recommendations for the Snowy Lakes Trout Strategy
her es have adopted a more controlled appro odu tion of fish into conservation areas, or to prevent overstocking, both of which can have. ... Finclipping enables identification of age and growth when fish are trapped in the spawning b.
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Monitoring of the By-Catch of Eastern Gemfish 1996 - 1999
The relative abundance of fish greater than 85 cm LCF (8 year olds and older) was very low. ... 1992 cohorts (4 and 5 year old fish) were only present in low levels of abundance.
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An Assessment of the effort and catch of shore-based and boat-based recreational fishers in the Sydney Harbour estuary over the 2007/2008 Summer period.
2001) and, despite its urban surroundings, contains an array of important habitats that support a diverse marine assemblage. ... Recreational fishing in some areas of the estuary is regulated. No fishing is allowed in Homebush Bay and the Duck River, and
