2002 The Environment Agency (EA) Tamar and Lynher Rivers and Estuaries Shad surveys and records

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. 商业鲑鱼捕捞渔民捕获的西鲱属物种（Shad sp.）及欧西鲱（Allis Shad）的捕捞记录（其中欧西鲱的物种鉴定均经专家核验确认）；2. 手竿垂钓爱好者、垂钓俱乐部以及商业鲑鱼与海鳟河口捕捞渔民捕获的西鲱及欧西鲱的捕捞记录（欧西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）捕获并核验的欧西鲱记录；4. 由甘尼斯拉克鱼群计数器（Gunnislake Fish Counter）统计，并经潮汐上限处摄像记录捕获其洄游上游场景的西鲱（根据鱼栅记录推断为欧西鲱）的相关记录；5. 活体西鲱的目击记录；6. 死亡西鲱尸体的记录；7. 西鲱鱼卵调查记录：该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网及配套采样技术。原始数据库由环境署（Environment Agency）保管。若对该数据库包含的数据有任何疑问，请联系罗伯特·希尔曼（Robert Hillman，详见联系方式）。