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

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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. 商业鲑鱼网捕渔民记录的西鲱(Shad)未定种与欧鲱(Allis Shad)捕捞数据,其中欧鲱的物种鉴定均经专家核验确认; 2. 杆钓爱好者、钓鱼俱乐部及商业鲑鱼与海鳚河口网捕渔民记录的西鲱及欧鲱捕捞数据(欧鲱的物种鉴定均经专家核验确认); 3. 甘尼斯拉克鱼栅(Gunnislake Fish Trap)内捕获并经专家核验的欧鲱记录; 4. 甘尼斯拉克鱼群计数器(Gunnislake Fish Counter)统计并经监控录像观测到的、在感潮河段上限处洄游上游的西鲱记录,根据鱼栅记录推断该类西鲱为欧鲱; 5. 活体西鲱目击记录; 6. 死亡西鲱尸体记录; 7. 西鲱鱼卵调查记录:此类调查在河口或河流中开展,采用标准长柄大型无脊椎动物踢采样网及配套采样技术。 该原始数据库由环境署(Environment Agency)保管。若您对其中包含的数据存在疑问,请联系罗伯特·希尔曼(Robert Hillman,详见联系方式)。

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