CRANK
发表于 2025-3-28 14:45:13
,The Atlantic Salmon Asturias, Spain: Analysis of Catches, 1985–86. Inventory of Juvenile Densities,d from strata at between 21,000 and 17,000 to 10,750 years. These coincide with the climatic period temperate — cold and humid (Strauss, Clarke and Ortea, 1980). In the same way one finds the vertebrae of salmon in the Solutreen and Magdalenien levels of the Altamira Grotto (Cantabria) dating back m
Congruous
发表于 2025-3-28 20:26:25
Exploitation of Salmon in Ireland,0 per cent of the total value of fish landed at Irish ports and ranks in this respect after mackerel, herring, cod and crustaceans. Tonne for tonne, however, salmon has been by far the most valuable fish caught in Irish waters, followed by sole, turbot and brill.
表两个
发表于 2025-3-29 01:01:37
,Catch Records — Facts Or Myths?,ht in the past, the types of gear used and the effort expended. While such records would prove most helpful, they still would not be easy to interpret due to varying response times to management decisions, and the confounding effects of climate and other environmental influences on salmon stock dens
BOGUS
发表于 2025-3-29 06:41:54
Relationship Between Atlantic Salmon Smolts and Adults in Canadian Rivers,paper, previously published information and new data illustrate four aspects of the predictive relationship between smolts and adults. First, counts of smolts in a particular river are the best means for predicting returns of adults and are necessary to measure sea survival. Second, because there is
债务
发表于 2025-3-29 09:45:53
Measurement of Atlantic Salmon Spawning Escapement,teristic makes it possible to establish, for any given river, a relationship between spawning stock size and the progeny (recruits) produced. This link which is generally described as the ‘stock recruitment relationship’, is peculiar to each stock and depends amongst other things on the characterist
definition
发表于 2025-3-29 15:28:25
Stock Enhancement of Atlantic Salmon (Salmo Salar L.),eveloped on the Rhine in 1852 (Harris, 1978). Hatcheries proliferated in the present century, fuelled by the belief that increases in the numbers of juveniles produced must result in increases in the abundance of adult stocks. Hatchery propagation was considered to be an improvement over the natural
DAMP
发表于 2025-3-29 19:18:44
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尖牙
发表于 2025-3-29 22:21:30
Conference proceedings 1988ic Salmon in Norway REFERENCES Anon. (l985a) Salmon and sea trout fisheries 1984. Central Bureau of Statistics of Norway, Oslo - Kongsvinger, 96 pp. (in Norwegian with English summary) Anon. (I985b) Report of meeting of working group on North Atlantic salmon. ICES C. M. 1985/ Assess, 11, 67 pp. Ange
Anonymous
发表于 2025-3-30 01:47:41
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贞洁
发表于 2025-3-30 06:18:41
Conference proceedings 1988inly by rods in the rivers. Catch statistics have been collected since 1876, but reliability of the statistics is questionable. The rates of exploitation on many Norwegian salmon stocks are very high, and data are presented and discussed for River Laerdal, River Eira and River Imsa stocks. As a resu