SPILLOVER OF EXPLOITABLE FISHES FROM A MARINE PARK AND ITS EFFECT ON THE ADJACENT FISHERY
SPILLOVER OF EXPLOITABLE FISHES FROM A MARINE PARK AND ITS EFFECT ON THE ADJACENT FISHERY
复制标题
海洋公园可捕捞鱼类的溢出及其对邻近渔业的影响
DOI：
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发表时间：
2000
期刊：
影响因子：
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通讯作者：
S. Mangi
中科院分区：
文献类型：
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作者：
T. McClanahan;S. Mangi
在一个珊瑚礁公园（肯尼亚蒙巴萨海洋公园），研究了海洋保护区通过可开发鱼类的迁移或溢出在加强当地渔业方面的作用，并在公园边界改变和取消拉网的七年期间进行了渔业研究。我们测量了公园建立前后和管理变更期间的渔获量，并将这些渔获量与公园未管理的一侧进行了比较。此外，我们在整个潮汐周期内在公园两侧放置了诱饵陷阱，这使我们能够测量公园与更深，更粗糙，更少捕捞的珊瑚礁边缘相比的溢出。总湿质量捕获每个陷阱，被困的鱼的平均大小，和每个陷阱捕获的鱼类物种的数量下降的功能，从公园边缘的南部和北方两侧的距离。然而，这种关系在未管理的一侧被截断，该一侧的渔获量较小，鱼较小，物种较少。
The role of a marine protected area in enhancing local fisheries, through the emigration or spillover of exploitable fishes, was studied in a coral reef park (Mombasa Marine Park, Kenya) and fishery over a seven-year period during a time when the park's border changed and pull seines were eliminated. We measured catches before and after the park's establishment and during the management changes and compared these catches with the unmanaged side of the park. Additionally, we placed baited traps on both sides of the park over a full tidal cycle which allowed us to measure the spillover from the park compared to the deeper, rougher, and less fished reef edge. The total wet mass of catches per trap, the mean size of the trapped fish, and the number of fish species caught per trap declined as a function of the distance away from the park edge on both the southern and northern sides. However, this relationship was truncated on the unmanaged side which also had smaller catches, smaller fish, and fewer species th...