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臺灣北部海域鎖管漁業生態調查及預測模式

  • 日期:111-10-24
  • 計畫編號:110農科6.1.2-水-A2(1)
  • 年度:2021
  • 領域:漁業科技研發
  • 主持人:張可揚
  • 研究人員:陳玉姬、吳允暉

本研究針對劍尖槍鎖管(swordtip squid, Uroteuthis edulis)進行資源波動趨勢預測模式、資源時空分布預測模式及自動化漁船作業資訊收集系統之建立等3項研究,其目的在於預測鎖管年間資源變動趨勢,以作為資源管理參考,並提供鎖管漁海況預測資料供漁船作業參考。而自動化漁船作業資訊收集系統旨在簡化漁船登打漁撈日誌之流程,以提高其提供資料意願。本研究成果如下:(1)自2017年迄今5年之之模式預測,有4年成功預測資源趨勢,準確率為80%。(2)預測2022年劍尖槍鎖管資源趨勢為下降。(3)接受本研究所提供之水溫資料樣本船,其漁獲量較未接受本研究提供水溫資料之樣本船為高,顯示水溫資料之提供應有助其作業。(4)漁船作業資訊收集系統收集之資料,可記錄作網網次,並將CPUE由公斤/每船天,細緻到公斤/每萬瓦小時,將有助更精確定義CPUE。

研究報告摘要(英)


This research aims at the swordtip squid (Uroteuthis edulis) for the establishment of resource fluctuation trend forecasting model, resource temporal and spatial distribution forecasting model, and the establishment of an automated fishing vessel operation information collection system. The purpose is to predict resource changes during the fishing period. The trend is used as a reference for resource management, and the forecast data of sea conditions for the squidresources is provided for the reference of fishing vessels operations. The automated fishing vessel operation information collection system aims to simplify the process of record of fishing logbooks for fishing vessels to increase their willingness to provide data. The results of this research are as follows: (1) From 2017 to the present 5 years of model forecasting, 4 years of successful forecasting of resource trends, with an accuracy rate of 80 %. (2) It is predicted that the trend of the swordtip squid resources in 2022 will be declining. (3) The catch of the sampling vessels that accepts the sea water temperature data provided by this research is higher than that of the sampling vessels that have not received the sea water temperature data. The provision of sea water temperature data should help its catch. (4) The data collected by the fishing vessel operation information collection system can be used to record the number of nets, and the CPUE from kilograms/day per ship to kilograms/10,000 watt-hours will help define the CPUE more precisely.