elucidate
发表于 2025-3-26 22:54:06
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Mystic
发表于 2025-3-27 02:55:06
Automated Classification of Plaquesllan, ., and smelt, .. Current EEC and European legislation designed to protect threatened freshwater fish species is reviewed as a basis for recommending the enactment of specific conservation legislation in Ireland.
Temporal-Lobe
发表于 2025-3-27 07:55:52
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高兴去去
发表于 2025-3-27 10:17:28
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BILK
发表于 2025-3-27 13:47:39
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COM
发表于 2025-3-27 17:52:28
The decline of the European sturgeon , in the Baltic and North Searopean sturgeon populations are discussed. Efforts to reestablish the north European sturgeon should be based on the last two reproductive populations (also threatened by extinction) in the Rivers Gironde (France) and Rioni (Georgia). A cooperative effort of research centres located in the former area of distribution of . is required.
肉身
发表于 2025-3-27 23:51:15
Cellulose acetate electrophoresis for screening transferrin polymorphism in brown trout (, L.) populrin alleles. We recommend cellulose acetate electrophoresis which has several advantages as compared to previous methods of separation and which is suitable for routine analysis of large samples within short time.
花费
发表于 2025-3-28 03:06:28
The status of the fish fauna in the Czech Republicecies are considered endangered to various degrees (Critical, Endangered, Vulnerable, Susceptible). Two fish species are evaluated as conservation dependent, while eight further species have been included in the low risk category. Seven species have been referred to the supplementary category rare, and 15 species are considered as not endangered.
祖先
发表于 2025-3-28 07:25:04
Design Pattern Collection for iTV,their geographic origin and taxonomic status should be strictly observed. The Red Data Books helped to draw attention to the endangered status of the fish fauna considerably, and it is expected that new editions should record the status of species according to respective watersheds instead of administrative and/or political boundaries.
无政府主义者
发表于 2025-3-28 12:32:42
General considerations regarding the decline of speciestheir geographic origin and taxonomic status should be strictly observed. The Red Data Books helped to draw attention to the endangered status of the fish fauna considerably, and it is expected that new editions should record the status of species according to respective watersheds instead of administrative and/or political boundaries.