基于物种分布模型的人工鱼礁区底层游泳生物空间分布的研究
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作者单位:

1.中国海洋大学水产学院;2.中国科学院海洋研究所;3.山东省渔业发展与资源养护总站

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S 931

基金项目:

山东近海渔业资源调查与监测


Spatial distribution of benthic swimming organisms in artificial reefs area based on species distribution models
Author:
Affiliation:

1.College of Fisheries, Ocean University of China;2.Institute of Oceanology, Chinese Academy of Sciences

Fund Project:

Investigation and Surveillance of Offshore Fishery Resources in Shandong

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    摘要:

    为探究人工鱼礁投放对底层游泳生物分布的影响,本研究于2019-2021年共进行11个航次的调查。利用物种分布模型(Species Distribution Models, SDMs)研究常见底层游泳生物的出现概率、丰度、体长体重、群落丰富度等指标与离礁距离的响应关系,归纳车由岛人工鱼礁区对底层生物的影响范围,并拟合各物种出现概率的空间分布加以验证。SDM模型显示根据物种出现概率对离礁距离变量的响应曲线可以将物种划分为恋礁型、中间型和离礁型,恋礁型偏好分布于距离礁体0-375 m处,中间型为50-375 m,离礁型为225-879 m;恋礁型和中间型的物种丰度在离礁0-225 m处较大,而离礁型为325-879 m;恋礁型和离礁型物种的体长体重在离礁0-225 m处均较大,而中间型物种为0-525 m;群落丰富度在0-225 m处较高。各物种拟合的空间分布结果与各指标对离礁距离响应关系基本一致。本研究揭示了不同底层游泳生物对离礁距离的响应特征变化,探究了不同指标下人工鱼礁的影响范围,为海洋牧场人工鱼礁的建设规划与管理提供参考依据。

    Abstract:

    Artificial reefs have positive effects on creating habitat, improving water ecological environment, and enhancing biodiversity. The performance of artificial reef deployment is closely related to its biological influence scope. To explore the impact of artificial reefs on the distribution of benthic swimming species, eleven cruises of field surveys were conducted from 2019 to 2021 in the artificial reefs area. Trap and visual census methods were both used to sample benthic swimming organisms. The response relationships between biological indicators (e.g., occurrence probability, abundance, body length and weight of individual common species, and community richness) and the distance with artificial reefs were explored based on species distribution models (SDMs). This study summarized the influence scope of artificial reefs and fitted the spatial distribution of the occurrence probability for each species to verify the scope. The results indicated species could be divided into reef-dependent, intermediate, and off-reef species types according to the response curve between species occurrence probability and the distance with reefs. The reef-dependent species preferred to locate at 0-375 m away from the reefs, and the intermediate and off-reef species types were 50-375 m and 225-879 m, respectively. The abundance of reef-dependent and intermediate species types was higher at 0-225 m away from reefs, while that of reef-off species was higher at 325-879 m. The body length and weight of reef-dependent and reef-off species were larger at 0-225 m away from the reefs, while those of intermediate species were larger at 0-525 m. The community richness was higher at 0-225 m. The spatial distribution pattern of each species was consistent with the response relationships between indicators and the distance with reefs. This study revealed the changes in response characteristics of different benthic swimming organisms to the distance with the reefs, explored the influence scope of artificial reefs under different indicators, and provided a reference for the construction, planning, and management of artificial reef areas.

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葛畅,于浩林,刘淑德,唐衍力,于梦杰,韦雯钰,盛化香.基于物种分布模型的人工鱼礁区底层游泳生物空间分布的研究[J].水产学报,2025,49(2):

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  • 收稿日期:2022-08-02
  • 最后修改日期:2022-09-20
  • 录用日期:2022-12-22
  • 在线发布日期: 2025-02-19
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