Long-term Otter Trawl Survey
收藏DataONE2018-11-12 更新2025-09-21 收录
下载链接：
https://search.dataone.org/view/sha256:e5dfb387701722ccd76345e4b440967832cd704b8021c1b2b1abbe233e360337
下载链接
链接失效反馈官方服务：
资源简介：
Long-term Otter Trawl Survey is performed at various estuarine and inner continental shelf sites during July and September each year. Trawl used has a length of 4.9 m and 6 mm bar mesh at the cod end. Tows (n=3) are 2 minutes long. For each tow 20 individuals of each species are measured (fish - TL or FL, crabs - BW, sex is also noted) and the remainder are counted. Shrimp, hermit crabs and mud crabs are not counted.
创建时间：
2025-09-16
