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2010 The Environment Agency (EA) Tamar and Lynher Rivers and Estuaries Shad surveys and records

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www.data.gov.uk2016-01-28 更新2025-03-26 收录
下载链接:
https://www.data.gov.uk/dataset/760e988f-6288-4769-97a6-67d293141aeb/2010-the-environment-agency-ea-tamar-and-lynher-rivers-and-estuaries-shad-surveys-and-records
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资源简介:
1. Records of Shad sp. and Allis Shad catches by commercial salmon netsmen (Allis Shad where species identification confirmed from examination by expert); 2. Records of Shad and Allis Shad (Allis Shad where species identification confirmed from examination by expert) caught by rod anglers, angling clubs and commercial salmon and sea trout estuary netsmen; 3. Records of Allis Shad caught and examined at Gunnislake Fish Trap; 4. Records of Shad (presumed Allis Shad as inferred from trap records) counted by Gunnislake Fish Counter and observed on camera footage as they migrate upstream at the tidal limit; 5. Sightings of live Shad; 6. Records of dead Shad carcasses; 7. Records of Shad egg surveys. Egg surveys in estuary or river using a standard long-handled macroinvertebrate kick-sampling net and technique. The original database is held by the Environment Agency. If you have any questions about data contained within it, contact Robert Hillman (see contacts).

1. 商业鲑鱼捕捞者捕获的鲑鲦属(种属鉴定经专家检查确认)及美洲鲦鱼记录;2. 钓竿钓鱼者、钓鱼俱乐部及商业鲑鱼和海鳟河口捕捞者捕获的鲑鲦及美洲鲦鱼记录(美洲鲦鱼种属鉴定经专家检查确认);3. 在Gunnislake渔栅捕获并检查的美洲鲦鱼记录;4. 由Gunnislake渔栅计数员计数并经摄像机录像观察在潮汐极限上游移的鲑鲦(根据渔栅记录推断为美洲鲦鱼);5. 真实鲑鲦的目击记录;6. 死亡鲑鲦尸体记录;7. 鲑鲦产卵调查记录。在河口或河流中使用标准长柄大型无脊椎动物踢样网和技巧进行的产卵调查。原始数据库由环境署保存。如对数据库中的数据有任何疑问,请联系Robert Hillman(见联系方式)。
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