漂流鱼类聚集装置卫星联浮标定位数据的标准处理框架

IF 1.5 4区 农林科学 Q3 FISHERIES Aquatic Living Resources Pub Date : 2022-01-01 DOI:10.1051/alr/2022013
Y. Baidai, J. Uranga, M. Grande, H. Murua, J. Santiago, I. Quincoces, G. Boyra, B. Orue, L. Floch, M. Capello
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引用次数: 0

摘要

热带金枪鱼围网渔船在漂流鱼类聚集装置(DFADs)上使用的卫星连接浮标提供了关于海洋特征以及与DFADs有关的鱼类聚集的存在和大小的连续信息流,从而能够研究远洋群落。这种前所未有的数据量的特点是具有高时空分辨率的海洋尺度覆盖,但也有不同的数据格式和规格,这取决于浮标的型号和品牌,以及所起作用的数据交换协议的类型。因此,它们在科学和管理目的中的使用严重依赖于算法处理异构数据格式和分辨率的能力。本文提出了一套统一的算法,用于处理大西洋和印度洋两个主要围网船队使用的浮标位置数据。确定了在利用数据之前需要解决的三个主要问题(结构错误、陆地和船上的数据记录),并提出了五个具体的过滤标准,以改进数据清理过程,从而提高数据质量。对不同的滤波方法进行了比较,并对其优缺点进行了讨论。
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A standard processing framework for the location data of satellite-linked buoys on drifting fish aggregating devices
Satellite-linked buoys used by tropical tuna purse-seine vessels on drifting fish aggregating devices (DFADs) provide a continuous stream of information on both the ocean characteristics and the presence and size of fish aggregations associated with DFADs, enabling the study of pelagic communities. This unprecedented amount of data is characterized by ocean-scale coverage with high spatial and temporal resolutions, but also by different data formats and specifications depending on buoy model and brand, as well as on the type of data exchange agreements into play. Their use for scientific and management purposes is therefore critically dependent on the abilities of algorithms to process heterogeneous data formats and resolutions. This paper proposes a unified set of algorithms for processing the buoys location data used by the two major purse seine fleets operating in the Atlantic and Indian oceans. Three main issues that need to be addressed prior to the exploitation of the data are identified (structural errors, data records on land and on-board vessels) and five specific filtering criteria are proposed to improve the data cleaning process and, hence, quality. Different filtering procedures are also compared, and their advantages and limitations are discussed.
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来源期刊
Aquatic Living Resources
Aquatic Living Resources 农林科学-海洋与淡水生物学
CiteScore
2.30
自引率
0.00%
发文量
10
审稿时长
>24 weeks
期刊介绍: Aquatic Living Resources publishes original research papers, review articles and propective notes dealing with all exploited (i.e. fished or farmed) living resources in marine, brackish and freshwater environments. Priority is given to ecosystem-based approaches to the study of fishery and aquaculture social-ecological systems, including biological, ecological, economic and social dimensions. Research on the development of interdisciplinary methods and tools which can usefully support the design, implementation and evaluation of alternative management strategies for fisheries and/or aquaculture systems at different scales is particularly welcome by the journal. This includes the exploration of scenarios and strategies for the conservation of aquatic biodiversity and research relating to the development of integrated assessment approaches aimed at ensuring sustainable and high quality uses of aquatic living resources.
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