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Subject Item
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مصايد الأسماك البرية Perikanan tangkap Wild fisheries
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مصايد الأسماك هي منطقة ترتبط بتواجد الأسماك أو حيوانات مائية يتم اصطيادها لقيمتها التجارية. يمكن أن تكون المصايد بحرية في (ماء البحر) أو في الماء العذب. وقد تكون أيضًا طبيعية أو مستزرعة. تمثل هذه المقالة نظرة عامة على المواطن التي تتواجد فيها المصايد الطبيعية في العالم وتأثير البشر على تلك المواطن. A wild fishery is a natural body of water with a sizeable free-ranging fish or other aquatic animal (crustaceans and molluscs) population that can be harvested for its commercial value. Wild fisheries can be marine (saltwater) or lacustrine/riverine (freshwater), and rely heavily on the carrying capacity of the local aquatic ecosystem. Perikanan tangkap, berbeda dengan perikanan budi daya, adalah usaha penangkapan ikan dan organisme air lainnya di alam liar (laut, sungai, danau, dan badan air lainnya). Kehidupan organisme air di alam liar dan faktor-faktornya (biotik dan abiotik) tidak dikendalikan secara sengaja oleh manusia. Perikanan tangkap sebagian besar dilakukan di laut, terutama di sekitar pantai dan . Perikanan tangkap juga ada di danau dan sungai. Masalah yang mengemuka di dalam perikanan tangkap adalah penangkapan ikan berlebih dan polusi laut. Sejumlah spesies mengalami penurunan populasi dalam jumlah yang signifikan dan berada dalam ancaman punah. Hal ini mengakibatkan jumlah tangkapan ikan di alam liar dapat mengalami penurunan secara umum.
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Wild fisheries
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A wild fishery is a natural body of water with a sizeable free-ranging fish or other aquatic animal (crustaceans and molluscs) population that can be harvested for its commercial value. Wild fisheries can be marine (saltwater) or lacustrine/riverine (freshwater), and rely heavily on the carrying capacity of the local aquatic ecosystem. Wild fisheries are sometimes called capture fisheries. The aquatic life they support is not artificial controlled in any meaningful way and needs to be "captured" or fished. Wild fisheries exist primarily in the oceans, and particularly around coasts and continental shelves, but also exist in lakes and rivers. Issues with wild fisheries are overfishing and pollution. Significant wild fisheries have collapsed or are in danger of collapsing, due to overfishing and pollution. Overall, production from the world's wild fisheries has levelled out, and may be starting to decline. As a contrast to wild fisheries, farmed fisheries can operate in sheltered coastal waters, in rivers, lakes and ponds, or in enclosed bodies of water such as pools or fish tanks. Farmed fisheries are technological in nature, and revolve around developments in aquaculture. Farmed fisheries are expanding, and Chinese aquaculture in particular is making many advances. Nevertheless, the majority of fish consumed by humans continues to be sourced from wild fisheries. As of the early 21st century, fish is humanity's only significant wild food source. Perikanan tangkap, berbeda dengan perikanan budi daya, adalah usaha penangkapan ikan dan organisme air lainnya di alam liar (laut, sungai, danau, dan badan air lainnya). Kehidupan organisme air di alam liar dan faktor-faktornya (biotik dan abiotik) tidak dikendalikan secara sengaja oleh manusia. Perikanan tangkap sebagian besar dilakukan di laut, terutama di sekitar pantai dan . Perikanan tangkap juga ada di danau dan sungai. Masalah yang mengemuka di dalam perikanan tangkap adalah penangkapan ikan berlebih dan polusi laut. Sejumlah spesies mengalami penurunan populasi dalam jumlah yang signifikan dan berada dalam ancaman punah. Hal ini mengakibatkan jumlah tangkapan ikan di alam liar dapat mengalami penurunan secara umum. Berlawanan dengan perikanan tangkap, perikanan budi daya dioperasikan di daratan menggunakan kolam air atau tangki, dan di badan air yang terpagari sehingga organisme air yang dipelihara tidak lepas ke alam liar. Budi daya perikanan meniru sistem yang terdapat di alam untuk membiakan dan membesarkan ikan. Meski perikanan budi daya terus berkembang, tetapi sumber ikan utama yang dikonsumsi manusia masih didapatkan dari perikanan tangkap, bahkan sumber protein utama yang didapatkan dari alam liar. مصايد الأسماك هي منطقة ترتبط بتواجد الأسماك أو حيوانات مائية يتم اصطيادها لقيمتها التجارية. يمكن أن تكون المصايد بحرية في (ماء البحر) أو في الماء العذب. وقد تكون أيضًا طبيعية أو مستزرعة. تمثل هذه المقالة نظرة عامة على المواطن التي تتواجد فيها المصايد الطبيعية في العالم وتأثير البشر على تلك المواطن. وتسمى المصايد الطبيعية في بعض الأحيان بالصيد السمكي الآسر. ولا يتم التحكم في الحياة المائية فيها بشكل جائر ويجب «آسرها» أو صيدها. وتتواجد المصايد الطبيعية بشكل رئيسي في المحيطات وخاصة قبالة السواحل والمنحدرات القارية. كما تتواجد أيضًا في البحيرات والأنهار. ومن القضايا التي تواجه المصايد الطبيعية الإفراط في صيد الأسماك والتلوث. وقد تم تدمير مصايد طبيعية مهمة أو أصبحت عرضة لخطر التدمير كنتيجة للصيد الجائر والتلوث. وبشكل عام، فإن الإنتاج من المصايد الطبيعية العالمية قد أصبح متعادلاً وربما يكون قد بدأ في التراجع. مقارنة بالمصايد الطبيعية، يمكن إنشاء مصايد الأسماك المستزرعة يمكن تشغيلها في المياه الساحلية المحمية في الأنهار والبحيرات والبرك أو في الأجسام المائية المغلقة مثل الخزانات. وتتميز مصايد الأسماك المستزرعة بطبيعتها التكنولوجية وتتمحور حول التطورات في الزراعة المائية. إن مصايد الأسماك المستزرعة آخذة في الانتشار، وبدأت الزراعة المائية الصينية في تحقيق العديد من التطورات. ومع ذلك، فإن غالبية الأسماك التي يستهلكها الإنسان مازالت تأتي من المصايد الطبيعية. وبدءًا من أوائل القرن الواحد والعشرين، تعد الأسماك مصدر الغذاء الأهم للبشر المأخوذ مباشرة من الطبيعة.
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