Infaunal abundance & biomass from sediment grabs in Belfast Lough as part of a habitat mapping project in 2018

This dataset contains information on infaunal abundance & biomass from sediment grabs in Belfast Lough as part of a larger & ongoing habitat mapping project. The sediment & infaunal survey was carried out in January 2018 by AFBI and this dataset was integrated into the larger mapping project since 2012. The project is joint with the British Geological Society and Belfast Harbour with the aim of mapping the seabed floor and updating it from more historical information. The seabed mapping was carried out on the White Ribbon vessel (British Geological society) using Kongsberg EM3002D multibeam and on the FPV Banríon Uladh using the same multibeam system. The benthic sampling in 2018 (this dataset) was carried out on board the RV Corystes using a day grab. Particle size analysis (PSA) was carried out and the infaunal samples were sent away to accredited taxonomic laboratories to be indentified. The most abundant species recorded was the echinoderm Amphiura filiformis and the most frequently recorded (present in all samples) was the hydrozoan sertulariidae.

本数据集收录了贝尔法斯特湾（Belfast Lough）内沉积物采泥器获取的底内生物丰度与生物量相关数据，隶属于一项规模更大且持续推进的栖息地测绘项目。此项沉积物与底内生物调查于2018年1月由AFBI（农业食品与生物科学研究所）完成，该数据集自2012年起便已纳入整体测绘项目。本项目由英国地质学会（British Geological Society）与贝尔法斯特港联合开展，旨在开展海底底床测绘，并基于更多历史资料更新现有数据。海底测绘工作分别由英国地质学会的“白丝带号”（White Ribbon）作业船与FPV Banríon Uladh号作业船完成，两者均搭载康士伯EM3002D多波束测深系统。本次数据集对应的2018年底栖生物采样工作由RV Corystes号研究船搭载采泥器（day grab）完成。本次工作完成了沉积物粒度分析（Particle Size Analysis，简称PSA），并将底内生物样本送至具备资质的分类学实验室进行物种鉴定。本次记录中丰度最高的物种为棘皮动物丝状蛇尾（Amphiura filiformis），而检出频率最高（所有采样点均有分布）的物种为水螅虫纲钟形螅科（Sertulariidae）。