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  <leader>01924nam a2200241Ia 4500</leader>
  <controlfield tag="001">CTU_237786</controlfield>
  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
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   <subfield code="a">639.4832</subfield>
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   <subfield code="b">R106</subfield>
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   <subfield code="a">8620301</subfield>
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   <subfield code="a">Huỳnh, Văn Rạng</subfield>
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  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="a">Tình hình khai thác và đặc điểm sinh học sinh sản của Bào ngư (Haliotis asinina Linnaeus, 1758) ở đảo Nam Du, tỉnh Kiên Giang :</subfield>
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  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="b">Luận văn tốt nghiệp Cao học ngành: Nuôi trồng thủy sản</subfield>
  </datafield>
  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="c">Huỳnh Văn Rạng ; Ngô Thị Thu Thảo (hướng dẫn khoa học)</subfield>
  </datafield>
  <datafield tag="260" ind1=" " ind2=" ">
   <subfield code="a">Cần Thơ</subfield>
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  <datafield tag="260" ind1=" " ind2=" ">
   <subfield code="b">Trường Đại học Cần Thơ</subfield>
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   <subfield code="c">2020</subfield>
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   <subfield code="a">Đề tài được thực hiện từ tháng 9 năm 2017 đến tháng 8 năm 2018 nhằm: (1) Khảo sát tình hình khai thác bào ngư ở đảo Nam Du, tỉnh Kiên Giang và (2) Tìm hiểu chu kỳ sinh sản của bào ngư ở đảo Nam Du, tỉnh Kiên Giang. Khảo sát hiện trạng khai thác và tiêu thụ bào ngư ở quần đảo Nam Du được thực hiện từ tháng 01 đến tháng 04 năm 2019, thông qua việc phỏng vấn trực tiếp 40 hộ dân khai thác thủy sản. Kết quả cho thấy bào ngư được khai thác quanh năm ở các đảo nhưng tập trung từ tháng 2 đến tháng 5 hằng năm. Có 1 loại ngư cụ duy nhất được sử dụng để khai thác bào ngư là cây móc. Mùa mưa sản  lượng khai  thác bào ngư  thấp hơn mùa khô (0,5kg/vụ/hộ và 3 kg/vụ/hộ).</subfield>
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   <subfield code="a">Abalone culture,Nuôi bào ngư</subfield>
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   <subfield code="i">Hiếu</subfield>
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  <datafield tag="910" ind1=" " ind2=" ">
   <subfield code="b">tvtrong</subfield>
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  <datafield tag="910" ind1=" " ind2=" ">
   <subfield code="c">tvtrong,tvtrong</subfield>
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  <datafield tag="980" ind1=" " ind2=" ">
   <subfield code="a">Trung tâm Học liệu Trường Đại học Cần Thơ</subfield>
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