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Title
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ﺑﺮﺭﺳﻲ ﻭﺿﻌﻴﺖ ﺫﺧﻴﺮﻩ ﻣﻴﮕﻮ ﺩﺭ ﺍﺳﺘﺎﻥ ﺑﻮﺷﻬﺮ ﻃﻲ ﺳﺎﻝﻫﺎﻱ 1389-1370
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Type
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Presentation
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Keywords
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ﻣﻴﮕﻮ، ﺫﺧﻴﺮﻩ، CPUE ، ﺍﺳﺘﺎﻥ ﺑﻮﺷﻬﺮ
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Abstract
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ﺍﻳﻦ ﺗﺤﻘﻴﻖ ﺑﺎ ﺗﻮﺟﻪ ﺑﻪ ﺑﺮﺭﺳﻲﻫﺎﻱ ﺁﻣﺎﺭ ﺻﻴﺪ ﺷﻴﻼﺕ ﻭ ﻣﻴﺰﺍﻥ ﺻﻴﺪ ﻣﻴﮕﻮ ﻃﻲ ﺳﺎﻝﻫﺎﻱ 1370-1389 ﺩﺭ ﺳﻮﺍﺣﻞ ﺍﺳﺘﺎﻥ ﺑﻮﺷﻬﺮ ﻣﻲ ﺑﺎﺷﺪ. ﻧﺘﺎﻳﺞ ﺣﺎﺻﻞ ﻧﺸﺎﻥ ﻣﻲﺩﻫﺪ ﻛﻪ ﺣﺪﺍﻗﻞ ﻭ ﺣﺪﺍﻛﺜﺮ CPUE (ﺑﺮﺣﺴﺐ ﺗﻦ ﺩﺭ ﻫﺮ ﺳﺎﻋﺖ) ﺑﻪ ﺗﺮﺗﻴﺐ 0/808 ﻭ 2/630 ﺗﻦ ﺩﺭ ﻫﺮ ﺳﺎﻋﺖ ﺑﺮﺍﻱ ﺳﺎﻝﻫﺎﻱ 78 ﻭ 79 ﺑﺪﺳﺖ ﺁﻣﺪﻩ ﺍﺳﺖ. ﻧﺘﺎﻳﺞ ﺁﺯﻣﻮﻥ t ﻣﺴﺘﻘﻞ ﻧﻴﺰ ﻧﺸﺎﻥ ﺩﺍﺩ ﻛﻪ ﻣﻴﺰﺍﻥ CPUE ﻣﻴﮕﻮ ﺩﺭ ﺩﻭ ﺩﻫﻪ 70 ﻭ 80 ﺩﺍﺭﺍﻱ ﺍﺧﺘﻼﻑ ﻣﻌﻨﻲﺩﺍﺭﻱ ﻣﻲﺑﺎﺷﻨﺪ .( P<0.05 ) ﺑﺮ ﻫﻤﻴﻦ ﺍﺳﺎﺱ ﺑﺎ ﺗﻮﺟﻪ ﺑﻪ ﻧﺘﺎﻳﺞ ﺑﺪﺳﺖ ﺁﻣﺪﻩ ﻭ ﺭﻭﻧﺪ ﺻﻴﺪ ﻃﻲ ﺳﺎﻝﻫﺎﻱ ﻓﻮﻕ ﻣﻴﺰﺍﻥ ﺫﺧﻴﺮﻩ ﻣﻴﮕﻮ ﺩﺭ ﺩﻫﻪﻫﺎﻱ 70 ﻭ 80 ﺑﻪ ﺩﻟﻴﻞ ﺗﻐﻴﻴﺮﺍﺕ ﺟﻮﻱ، ﺻﻴﺪ ﺑﻲﺭﻭﻳﻪ ﻭ ﺧﺎﺭﺝ ﺍﺯ ﻓﺼﻞ ﻭ ﺁﻟﻮﺩﮔﻲﻫﺎﻱ ﺍﺧﻴﺮ ﺻﻨﻌﺘﻲ ﻭ ﺧﺎﻧﮕﻲ ﺭﻭﻧﺪﻱ ﻛﺎﻫﺸﻲ ﺩﺍﺷﺘﻪ ﺍﺳﺖ. ﺑﻨﺎﺑﺮﺍﻳﻦ ﺩﺭ ﺻﻮﺭﺕ ﻋﺪﻡ ﻣﺪﻳﺮﻳﺖ ﺑﺮ ﺫﺧﺎﻳﺮ ﻣﻴﮕﻮ ﻃﻲ ﺳﺎﻝﻫﺎﻱ ﺁﻳﻨﺪﻩ ﺑﺎ ﺑﺤﺮﺍﻥ ﺷﺪﻳﺪ ﻛﺎﻫﺶ ﺫﺧﻴﺮﻩ ﻣﻴﮕﻮ ﻣﻮﺍﺟﻪ ﺧﻮﺍﻫﻴﻢ ﺷﺪ.
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Researchers
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Mehdi Bibak (First researcher) , Seyed Abbas Hosseini (Second researcher) , Majid Koohani (Fourth researcher)
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