890 resultados para Salmon fisheries.


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This fisheries report summarises developments of the year 1988 in the region of the North West Water Authority. It provides catch statistics, rod and line and commercial for salmon and sea trout, fish culture and hatchery operations, restocking with trout and freshwater fish, upstream fish movement recorded at authority fish counters, counts of salmon and sea trout spawning redds, fish mortalities, licences issued, and prosecutions. Among the streams that are covered in the report are the River Lune, River Kent, River Leven, River Duddon, River Ribble, River Wyre, River Derwent and River Esk.

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Fishery statistics for 1979 are presented for: (1) total production; (2) effort; (3) landings and purchases; (4) monthly percentage composition and average weight of each species caught in gill-nets.

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The 1980 statistics of the open-water sardine (Limnothrissa miodon ) fisheries and gill-net fisheries are presented. Summaries of total production and total effort, landings inshore and gill-net fisheries are also presented.

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The 1981 statistics of the open water fishery (sardine, Limnothrissa miodon , and tigerfish, Hydrocynus vittatus) and inshore fishery (cichlids, labeoa, mainly L. altivelis , distichoclids, mainly Distichodus schenga , tigerfish, H. vittatus , mormyrids, mainly Mormyrus longirostris and M. deliciosus , and catfish, Clarias gariepinus) in Lake Kariba are presented.

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Statistics are presented for Zimbabwe's Lake Kariba fisheries for the year 1982, being divided into open-water and inshore fishery sectors.

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Statistics are presented of the open water and inshore fisheries of Lake Kariba, the Zimbabwe side, for 1983.

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Statistics are presented for the Zimbabwe fisheries of Lake Kariba for 1984, being divided into pelagic and inshore fishery activities.

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Catch and effort data are given for the various pelagic and inshore fisheries of the Zimbabwe side of Lake Kariba for the period 1980-85.

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Catch and effort data are given for the various pelagic and inshore fisheries of the Zimbabwe side of Lake Kariba for the period 1974-86.

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Statistics are presented for the Zimbabwe fisheries in Lake Kariba for the year 1987. Fish landings, fish catches and catch/effort data are given for the pelagic and inshore fishery sectors.

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Statistics are presented for the Zimbabwe fisheries in Lake Kariba for the year 1988. Fish landings, fish catches and catch/effort data are given for the pelagic and inshore fishery sectors.

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Statistics are presented for the Zimbabwe pelagic and inshore fisheries of Lake Kariba, covering the period 1974-89. Data include total landings, total effort, catch per unit effort, monthly landings and monthly catch per unit effort for both sectors.

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This statistical report covers catch records from the Zimbabwe part of Lake Kariba for the period 1974-1991. Landings, catches and fishing effort statistics are included for both the kapenta and the inshore artisanal fishing sectors.

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This statistical report covers catch records from the Zimbabwe part of Lake Kariba for the period 1974-1992. Landings, catches and fishing effort statistics are included for both the pelagic and the inshore artisanal fishing sectors.

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This statistical report covers catch records from the Zimbabwe part of Lake Kariba for the period 1974-1993. Landings, catches and fishing effort statistics are included for both the kapenta (pelagic) and the inshore artisanal fishing sectors.