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  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
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  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="a">Nghiên cứu biến động thành phần loài cá phân bố vùng cửa sông Trần Đề :</subfield>
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  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="b">Luận văn tốt nghiệp Cao học. Chuyên ngành Nuôi trồng Thủy sản</subfield>
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  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="c">Hồng Thị Hải Yến ; Trần Đắc Định (Cán bộ hướng dẫn)</subfield>
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  <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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  <datafield tag="260" ind1=" " ind2=" ">
   <subfield code="c">2017</subfield>
  </datafield>
  <datafield tag="520" ind1=" " ind2=" ">
   <subfield code="a">Xác định thành phần loài, biến động kích cỡ và sự phân bố của các loài cá từ vùng cửa sông đến vùng nước ngọt theo sự thay đổi của các yếu tố môi trường như mật độ mặn, vận tốc dòng chảy, thủy triều. Đánh giá sự phong phú tương đối của các loài có giá trị kinh tế vùng cửu sông.</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
   <subfield code="a">Cá,Fishes</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
   <subfield code="x">Phân loại,Classification</subfield>
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  <datafield tag="910" ind1=" " ind2=" ">
   <subfield code="b">nthai</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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