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  1. trawl verb (SEARCH) [ I or T, usually + adv/prep ] to search among a large number or many different places in order to find people or information you want. 搜羅,搜集,網羅. The software is used to trawl for information on the internet. 這個軟體是用來在網路上搜尋資訊用的。.

    • Trawl 意思

      trawl verb (FISH) [ T ] to pull a large, cone-shaped ...

  2. en.wikipedia.org › wiki › TrawlingTrawling - Wikipedia

    While trawling involves a net and is typically done for commercial usage, trolling instead involves a reel, rod and a bait or a lure and is typically done for recreational purposes. Trawling is also commonly used as a scientific sampling, or survey, method.

  3. trawl verb (FISH) Add to word list. Add to word list. [ T ] to pull a large, cone-shaped net through the sea at a deep level behind a special boat in order to catch fish. 在…用拖网捕鱼. They trawl these waters for cod. 他们用拖网在这些水域里捕鳕鱼。.

    • 過度捕撈。每年有 數以千萬噸 計的海洋生物,遭底拖網吞噬,根據統計,全球每四條捕撈的魚就有一條是來自底拖網。只要它所經的海床,生命殆盡,難以復原如初。
    • 大量混獲。千萬不要以為使用底拖網捕魚,可以捕獲豐富的魚獲。事實上,底拖網撈進數量龐大的魚獲中,還有很多被誤捕的物種,例如海鳥、海龜,甚至已屬近危物種的黑鯊,都是混獲下的犧牲者。
    • 破壞海床。為了要將魚網沉到海底拖行,魚具本身必須有一定的重量將漁網保持在海底張開的狀態。最大的深海底拖網可長達上百公尺,大如足球場。可想而知,被底拖網掃過的海床會變成怎樣?
    • 釋放大量二氧化碳。根據刊登在《自然》期刊(Nature)的一項研究,底拖網漁業破壞海床,每年所釋放的二氧化碳量 約 10 億噸,相當於整個航空業所製造的 9.18 億噸。
  4. A fishing trawler is a commercial fishing vessel designed to operate fishing trawls. Trawling is a method of fishing that involves actively dragging or pulling a trawl through the water behind one or more trawlers. Trawls are fishing nets that are pulled along the bottom of the sea or in midwater at a specified depth.

  5. 2020年8月18日 · Bottom - or demersal - trawling is a fishing method that uses towed nets to catch fish and other marine species living on or close to the seabed. Bottom trawling includes several different types of fishing gear that use a cone-like net with a closed end (cod-end) that holds the catch. The net is towed by one or two boats and held ...

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