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2007 The Environment Agency (EA) Tamar and Lynher Rivers and Estuaries Shad surveys and records

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https://www.data.gov.uk/dataset/f68f6fe3-501e-4e17-88c4-280b6fe1e701/2007-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. 商业鲑鱼渔民捕获的鲈鱼物种(Allis Shad,物种识别经专家检查确认)的记录;2. 钓鱼爱好者、钓鱼俱乐部以及商业鲑鱼和海鳟河口渔民捕获的鲈鱼和Allis Shad(Allis Shad,物种识别经专家检查确认)的记录;3. 在Gunnislake渔网捕获并检查的Allis Shad的记录;4. 在Gunnislake渔网计数器和摄像机录像中观察到的,作为它们在上游潮汐极限处迁移的鲈鱼(推测为Allis Shad,如捕捞记录所示)的计数记录;5. 鲈鱼活体出现的观测记录;6. 死鲈鱼尸体记录;7. 鲈鱼卵的考察记录。在河口或河流中使用标准长柄底栖无脊椎动物踢网采样技术和方法进行卵的考察。原始数据库由环境署持有。如对数据库中的数据有任何疑问,请联系Robert Hillman(参见联系方式)。
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