five

2001 The Environment Agency (EA) Tamar and Lynher Rivers and Estuaries Shad surveys and records

收藏
www.data.gov.uk2016-01-28 更新2025-01-22 收录
下载链接:
https://www.data.gov.uk/dataset/3fa24f62-7d46-4377-8a1c-d4e003de9cec/2001-the-environment-agency-ea-tamar-and-lynher-rivers-and-estuaries-shad-surveys-and-records
下载链接
链接失效反馈
官方服务:
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. 商业鲑鱼渔民的鲈鱼(经专家鉴定确认物种的鲈鱼)捕获记录; 2. 钓鱼爱好者、垂钓俱乐部以及商业鲑鱼和海鳟河口渔民的鲈鱼及鲈鱼(经专家鉴定确认物种的鲈鱼)捕获记录; 3. 在Gunnislake渔场捕获并检验的鲈鱼记录; 4. 通过Gunnislake渔场计数器和摄像头录像在潮汐极限处上游迁徙时计数(据陷阱记录推断为鲈鱼)的鲈鱼记录; 5. 活体鲈鱼的目击记录; 6. 死亡鲈鱼尸体记录; 7. 鲈鱼产卵调查记录。在河口或河流中使用标准的长柄宏观无脊椎动物踢式采样网和技巧进行产卵调查。 原始数据库由环境署持有。如对其中数据有任何疑问,请联系Robert Hillman(参见联系方式)。
提供机构:
www.data.gov.uk
二维码
社区交流群
二维码
科研交流群
商业服务