Survey : CIRO 2/85 (part of North Sea Groundfish Survey, Qtr 1 (FSS: IBTS1E))

This survey was undertaken by Cefas as part of the North Sea Groundfish
Survey, Qtr 1 (FSS: IBTS1E);

Station, catch, length (all species) and biological data (selected species)
for each of the annual surveys covering the North Sea using research vessels
and GOV trawls in support of EU data regulations and as part of the
International Bottom Trawl survey. Additional aims include collection of
benthic, water temperature and salinity and litter data.

Survey took place between 01/02/1985 and 25/02/1985 on Cirolana

Equipment used during this survey :

- Bottle Casts Nansen bottles Reversing surface and bottom
- Frame Trawl ISAAC-KIDD 2.5m bars standard IYFS spec.
- Otter Trawl GOV Long Wing 36/47 Standard IYFS Spec.

Survey operations were undertaken on 195 stations

45 different species were caught on this survey

本次调查由Cefas承担，作为北海海底鱼类调查（第一季度，FSS：IBTS1E）的一部分；调查内容包括各年度北海海底鱼类调查的站位、捕获量、长度（所有物种）以及生物数据（选定物种），所使用的研究船只和GOV拖网旨在支持欧盟数据法规，并作为国际底层拖网调查的一部分。此外，调查还旨在收集底栖生物、水温、盐度以及垃圾数据。调查于1985年2月1日至1985年2月25日在Cirolana进行。本次调查所使用的设备包括：
- 瓶式投放：Nansen瓶，逆时针表层和底层投放
- 拖网：ISAAC-KIDD 2.5米标准杆，符合IYFS规范
- 鱼雷式拖网：GOV长翼36/47标准，符合IYFS规范。调查在195个站位进行，共捕获45种不同的物种。