Data from the Interim Report "The spatial distribution of commercial fishery production in the Northwest Shelf of Australia, 1973 to 1997" (NWS JEMS Task 2.6)

The data was summarised to produce an interim report to describe the trawling effort and total catch in the North West Shelf of Australia between 1973 and 1997. It contains foreign and domestic commercial fisheries data from three separate sources: Taiwanese Logbook data (Anon. 1973-1982), foreign (Taiwanese, Chinese and South Korean) trawl data collated by the Australian Fisheries Management Authority (1979-1989), and domestic catch and effort statistics data collated by Fisheries, Western Australia (1979-1997). Trawling effort and total catch by year, as well as catches of 22 species categories (mostly family level classifications) are sumarised spatially into a 10x10 minute grid scale over part of the NWS region to show spatial distribution.
The original Report produced Mar 2001 was updated and corrected in 2003.
The corrections made are: (1) the Taiwaneses total catch was recalculated using all categories reported in the Annual reports (previously invertebrates, 'dumped' and 'other' were excluded); (2)Taiwanese effort data was corrected for logbook recovery rates reported in the Annual Reports.
The update refers to an additional section describing the data that was used in NWS-JEMS Project 5.

本数据集经汇总形成中期报告，旨在描述1973年至1997年间澳大利亚西北陆架（North West Shelf, NWS）海域的拖捞作业强度与总捕捞量。数据集包含来自三个独立渠道的国内外商业渔业数据：其一为台湾渔船日志数据（匿名，1973-1982）；其二为澳大利亚渔业管理局整理的外国（中国台湾、中国大陆及韩国）拖捞作业数据（1979-1989）；其三为西澳大利亚州渔业部门整理的国内捕捞量与作业强度统计数据（1979-1997）。报告按年度统计了拖捞作业强度与总捕捞量，并将22个物种类别（多数为科级分类单元）的捕捞量按空间尺度汇总至10×10分的网格单元，以呈现该西北陆架部分海域的资源空间分布特征。
该数据集的原始报告于2001年3月编制完成，并于2003年完成修订与校正。
本次校正包含两项内容：(1) 依据年度报告中的全部分类项重新计算了中国台湾地区的总捕捞量（此前未纳入无脊椎动物、"丢弃渔获"及"其他"类别）；(2) 依据年度报告中记载的日志回收率，校正了中国台湾地区的作业强度数据。
本次更新新增了用于NWS-JEMS项目第5项研究的数据说明章节。