厦门大嶝岛海域紫菜、海带养殖容量研究

卢振彬, 方民杰, 杜琦

卢振彬, 方民杰, 杜琦. 厦门大嶝岛海域紫菜、海带养殖容量研究[J]. 南方水产科学, 2007, 3(4): 52-59.
引用本文: 卢振彬, 方民杰, 杜琦. 厦门大嶝岛海域紫菜、海带养殖容量研究[J]. 南方水产科学, 2007, 3(4): 52-59.
LU Zhenbin, FANG Minjie, DU Qi. Carrying capacity of Porphyra and Laminaria in Dadeng Island sea area of Xiamen[J]. South China Fisheries Science, 2007, 3(4): 52-59.
Citation: LU Zhenbin, FANG Minjie, DU Qi. Carrying capacity of Porphyra and Laminaria in Dadeng Island sea area of Xiamen[J]. South China Fisheries Science, 2007, 3(4): 52-59.

厦门大嶝岛海域紫菜、海带养殖容量研究

基金项目: 

福建省海洋与渔业局重点资助 闽海渔科2000-03

厦门市海洋与渔业局资助项目 

详细信息
    作者简介:

    卢振彬(1943-),男,研究员,从事海洋渔业资源和生态学研究。E-mail: lzb1942@yahoo.com.cn

  • 中图分类号: Q178.53

Carrying capacity of Porphyra and Laminaria in Dadeng Island sea area of Xiamen

  • 摘要:

    以海域无机氮(N)和无机磷(P)输入与吸收的平衡原理,通过2000~2001年对厦门大嶝岛海域海水交换、沉积物释放、陆地和江河径流排放、养殖动物和野生海洋动物排泄等项无机氮和无机磷输入量的调查、检测,浮游植物、潮滩微型藻类、野生大型藻类、养殖和野生海洋动物对无机氮和无机磷吸收量的调查和检测,估算可供养殖海带和紫菜的无机氮和无机磷数量,进一步以海带和紫菜有机氮和有机磷的含量,来衡量海带和紫菜的可养殖量。估算结果表明,无机氮平衡法估算大嶝海域紫菜和海带养殖容量(淡干品)分别为5.43×104和32.84×104 t,单位面积可养密度分别为7.21和43.61 t·hm-2。无机磷平衡法估算大嶝海域紫菜和海带养殖容量分别为1.97×104和12.22×104t,单位面积可养密度分别为2.62和16.23 t·hm-2。模型的实用性分析以无机磷供需平衡法为佳。

    Abstract:

    This paper use the balancing principle of input and output of inorganic nitrogen and inorganic phosphorus, based on the investigation and detection of the input quantity of inorganic nitrogen and inorganic phosphorus from seawater exchange, release of sediment, runoff of land and river, excretion of ocean animals in Dadeng Island sea area from 2000 to 2001.By investigating and detecting the input quantity of inorganic nitrogen and inorganic phosphorus from phytoplankton, algae, the quantity of inorganic nitrogen and inorganic phosphorus left for Porphyra and Laminaria were estimated, and then the carrying capacity of Porphyra and Laminaria were estimated by calculating the concentration of organic nitrogen and phosphorus. The result shows that in Dadeng Island sea area the carrying capacity of Porphyra and Laminaria estimated by inorganic nitrogen equity are 5.43×104 and 32.84×104 t, the density of unit area for culture are 7.21 and 43.61 t·hm-2, respectively. The carrying capacity of Porphyra and Laminaria estimated by inorganic phosphorus equity are 1.97×104 and 12.22×104t, the density of unit area for culture are 2.62 and 16.23 t·hm-2, respectively.

  • 图  1   厦门大嶝岛海域养殖容量调查站位图

    Figure  1.   Surveying stations of carrying capacity in Dadeng Island sea area of Xiamen

    表  1   大嶝岛海域无机氮输入量与自然吸收量比较

    Table  1   Comparison between the input quantity and natural absorption of inorganic nitrogen in Dadeng Island sea area

    紫菜生长期间  growing period of Porphyra 海带生长期间  growing period of Laminaria
    输入项
    items of input
    输入量/t
    quantity of input
    吸收项
    items of absorption
    吸收量/t
    quantity of absorption
    输入项
    items of input
    输入量/t
    quantity of input
    吸收项
    items of absorption
    吸收量/t
    quantity of absorption
    海水交换
    exchange of seawater
    2 904 浮游植物
    phytoplankton
    76 海水交换
    exchange of seawater
    5 740 浮游植物
    phytoplankton
    337
    陆岸径流
    runoff of land
    95 野生大藻
    wilding algae
    94 陆岸径流
    runoff of land
    191 野生大藻
    wilding algae
    187
    沉积物释放
    release of sediments
    19 潮滩微藻
    tidal flat algae
    100 沉积物释放
    release of sediments
    37 潮滩微藻
    tidal flat algae
    444
    养殖动物排泄
    excretion of the cultured animals
    97 海洋动物
    ocean animal
    421 养殖动物排泄
    excretion of the cultured animals
    196 海洋动物
    ocean animal
    842
    野生动物排泄
    excretion of the wilding animals
    26 野生动物排泄
    excretion of the wilding animals
    53
    合计  total 3 141 691 合计  total 6 217 1 810
    下载: 导出CSV

    表  2   无机氮平衡法估算大嶝岛海域紫菜和海带的养殖容量

    Table  2   The carrying capacity of Porphyra and Laminaria estimated by the inorganic nitrogen equity in Dadeng Island sea area

    养殖藻类
    cultured algae
    可供养殖无机氮(NK)/t
    inorganic nitrogen for culture
    淡干样品氮含量/%
    content of nitrogen of dry samples
    养殖容量(Pr)/t
    carrying capacity
    单位面积容量/t·hm-2
    capacity of unit area
    紫菜  Porphyra 2 450 4.5146 54 268 7.21
    海带  Laminaria 4 407 1.3421 328 366 43.61
    下载: 导出CSV

    表  3   大嶝岛海域无机磷输入量与自然吸收量比较

    Table  3   Comparison between the input quantity and natural absorption of inorganic phosphorus in Dadeng Island sea area

    紫菜生长期间  growing period of Porphyra 海带生长期间  growing period of Laminaria
    输入项
    items of input
    输入量/t
    quantity of input
    吸收项
    items of absorption
    吸收量/t
    quantity of absorption
    输入项
    items of input
    输入量/t
    quantity of input
    吸收项
    items of absorption
    吸收量/t
    quantity of absorption
    海水交换
    exchange of seawater
    143.1 浮游植物
    phytoplankton
    10.6 海水交换
    exchange of seawater
    425.5 浮游植物
    phytoplankton
    46.8
    陆岸径流
    runoff of land
    5.4 野生大藻
    wild algae
    4.7 陆岸径流
    runoff of land
    10.8 野生大藻
    wild algae
    9.4
    沉积物释放
    release of sediments
    1.0 潮滩微藻
    tidal flat algae
    13.9 沉积物释放
    release of sediments
    1.9 潮滩微藻
    tidal flat algae
    61.5
    养殖动物排泄
    excretion of the cultured animals
    12.6 海洋动物
    ocean animal
    50.4 养殖动物排泄
    excretion of the cultured animals
    25.2 海洋动物
    ocean animal
    100.7
    野生动物排泄
    excretion of the wild animals
    1.3 野生动物排泄
    excretion of the wild animals
    2.6
    合计  total 163.4 79.6 合计  total 466.0 218.4
    下载: 导出CSV

    表  4   无机磷平衡法估算大嶝海域紫菜和海带的养殖容量

    Table  4   The carrying capacity of Porphyra and Laminaria estimated by the inorganic

    养殖藻类
    cultured algae
    可供养殖无机磷(NK)/t
    inorganic nitrogen for culture
    淡干样品磷含量/%
    content of nitrogen of dry samples
    养殖容量(Pr)/t
    carrying capacity
    单位面积容量/t·hm-2
    capacity of unit area
    紫菜  Porphyra 83.8 0.4245 19 741 2.62
    海带  Laminaria 247.6 0.2026 122 211 16.23
    下载: 导出CSV
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出版历程
  • 收稿日期:  2006-12-27
  • 修回日期:  2007-04-01
  • 刊出日期:  2007-08-04

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