1997 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. 商业鲑鱼渔民捕获的鲑鱼属（经专家鉴定确认为鲑鱼属的Allis Shad）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鲑鱼和Allis Shad（经专家鉴定确认为Allis Shad）的记录；3. 在Gunnislake渔栅捕获并检验的Allis Shad记录；4. 通过Gunnislake渔栅计数员计数并在潮汐极限处通过摄像机镜头观察到的上游迁徙的鲑鱼（据渔栅记录推测为Allis Shad）的记录；5. 野生鲑鱼目击记录；6. 死亡鲑鱼尸体记录；7. 鲑鱼卵的调查记录。在河口或河流中使用标准长柄底栖无脊椎动物踢网法和技巧进行的卵调查。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）。