不同采样设计对估计鱼类空间格局指数的影响

李迎冬; 张崇良; 纪毓鹏; 薛莹; 刘晓慧; 任一平; 徐宾铎

doi:10.12284/hyxb2022010

不同采样设计对估计鱼类空间格局指数的影响

doi: 10.12284/hyxb2022010

李迎冬^1,,
张崇良^{1, 2, 3},
纪毓鹏^{1, 3},
薛莹^{1, 2, 3},
刘晓慧⁴,
任一平^{1, 2, 3},
徐宾铎^{1, 2, 3, ,}

1.
中国海洋大学水产学院，山东青岛 266003
2.
青岛海洋科学与技术试点国家实验室海洋渔业科学与食物产出过程功能实验室，山东青岛 266237
3.
海州湾渔业生态系统教育部野外科学观测研究站，山东青岛 266003
4.
山东省海洋生物研究院，山东青岛 266104

基金项目: 国家重点研发计划（2019YFD0901205）；国家自然科学基金（31772852）

详细信息

作者简介:
李迎冬(1997-)，女，山东省烟台市人，主要从事渔业资源生态学研究。E-mail：liydvv@163.com

通讯作者:
徐宾铎，副教授，主要从事渔业资源生态学、调查采样设计及渔业生物多样性等研究。E-mail：bdxu@ouc.edu.cn

中图分类号: S931
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- 文章访问数: 171
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- 被引次数: 0
出版历程
- 收稿日期: 2021-07-04
- 修回日期: 2021-08-13
- 网络出版日期: 2021-09-10
- 刊出日期: 2022-01-14

Effects of sampling design on estimation of spatial pattern indices of fish population

Li Yingdong^1
,,
Zhang Chongliang^{1, 2, 3},
Ji Yupeng^{1, 3},
Xue Ying^{1, 2, 3},
Liu Xiaohui⁴,
Ren Yiping^{1, 2, 3},
Xu Binduo^{1, 2, 3
, ,}

1.
Fisheries College, Ocean University of China, Qingdao 266003, China
2.
Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
3.
Field Observation and Research Station of Haizhou Bay Fishery Ecosystem, Ministry of Education, Qingdao 266003, China
4.
Marine Biology Institute of Shandong Province, Qingdao 266104, China

摘要

摘要: 查明渔业种群空间格局可为渔业资源的合理利用和管理提供参考依据。在渔业资源调查中，采样设计会影响调查分析结果的准确性和适用性。为查明采样设计对分析种群空间格局的影响，本文根据2016年10月、2017年2月、5月、8月在山东南部近海调查获得的数据，以星康吉鳗(Conger myriaster)、方氏云鳚(Enedrias fangi)为目标鱼种，应用计算机模拟重抽样方法，研究了4种样本量下简单随机抽样、系统抽样、分层随机抽样、分层系统抽样对估计目标种群的平均拥挤度和聚块指数的影响。应用相对估计误差和相对偏差衡量不同采样设计的表现。结果表明，系统抽样、分层系统抽样的模拟结果较接近空间格局指数“真值”，简单随机抽样和分层随机抽样表现较差；样本量对空间格局指数估计的影响较大，随着样本量增大，目标鱼种两个空间格局指数的相对估计误差均呈降低趋势。种群原始空间分布对空间格局指数估计具有一定影响，聚块指数估计的精确度随目标种群聚块指数真值的增加而减小，整体出现偏高的估计偏差。不同采样设计影响鱼类种群空间格局分析，种群聚集程度也对分析结果有所影响，因此，在渔业资源调查设计时可以纳入目标种群空间格局指标以完善多目标渔业资源调查方案。
- 采样设计 /
- 鱼类种群 /
- 空间格局 /
- 计算机模拟
Abstract: The study of spatial patterns of fish populations provides reference for reasonable utilization and management of fishery resources, which depends greatly on the quality of data collected from well-designed surveys. So appropriate sampling designs are essential in fishery-independent surveys, which can greatly affect the accuracy and applicability of the survey results. Computer simulation study is conducted to investigate the effects of sampling design on the spatial pattern of fish populations based on the data collected from bottom trawl surveys in the southern waters off Shandong Peninsula in four seasons from 2016 to 2017 in this study. Four sampling methods, including simple random sampling (SRS), systematic sampling (SYS), stratified random sampling (StRS) and stratified systematic sampling (StSS) with four levels of sample sizes are considered as potential sampling designs in this simulation study. The effects of different sampling designs on the estimation of mean crowding index and poly block index (PBI) for Conger myriaster and Enedrias fangi are examined. Relative estimation error (REE) and relative bias (RB) are used to measure the performances of different sampling designs. The results show that the simulated values of spatial pattern indices from SYS and StSS are closer to the “true” values, and the performances of SRS and StRS are relatively poor. The REE of estimation of spatial pattern indices for target fish populations decreased significantly with sample size. The original spatial pattern of fish populations has a certain effect on the estimation of spatial pattern indices. The precision of estimation of PBI decreased with the increase of the “true” values of spatial pattern indices, with PBI being overestimated when it is high. Different sampling designs have a certain effect on the estimation of spatial pattern indices of fish populations, and the degree of population aggregation also affected the analysis results. Therefore, the spatial pattern indices of target fish populations could be incorporated into the survey goals in sampling designs to improve the fishery-independent surveys with multiple objectives.
- sampling design /
- fish population /
- spatial pattern /
- computer simulation

HTML全文

图 1 山东半岛南部海域渔业资源调查站位

Fig. 1 Sampling stations of fishery resources survey in the southern waters off Shandong Peninsula

下载: 全尺寸图片幻灯片

图 2 不同采样设计下的目标鱼种平均拥挤度模拟值分布

SRS表示简单随机抽样；StRS表示分层随机抽样；SYS表示系统抽样；StSS表示分层系统抽样；图中水平虚线表示平均拥挤度“真值”

Fig. 2 Distribution of simulated mean crowding of target fish species for different sampling designs

SRS indicates simple random sampling; StRS indicates stratified random sampling; SYS indicates system atic sampling; StSS indicates stratified system atic sampling; the horizontal dotted line in figures represent the “true” values of initial mean crowding

下载: 全尺寸图片幻灯片

图 3 不同采样设计下的目标鱼种聚块指数模拟值分布

SRS表示简单随机抽样；SYS表示系统抽样；StRS表示分层随机抽样；StSS表示分层系统抽样；图中水平虚线表示聚块指数“真值”

Fig. 3 Distribution of simulated poly block index of target fish species for different sampling designs

SRS indicates simple random sampling; SYS indicates system atic sampling; StRS indicates stratified random sampling; StSS indicates stratified system atic sampling; the horizontal dotted line in figures represent the “true” value of initial poly block index

下载: 全尺寸图片幻灯片

图 4 不同采样设计下目标鱼种空间格局指数的相对估计误差

SRS表示简单随机抽样；SYS表示系统抽样；StRS表示分层随机抽样；StSS表示分层系统抽样；30、60、90、120表示样本量

Fig. 4 The relative estimation error of spatial pattern index for target species for different sampling designs

SRS indicates simple random sampling; SYS indicates system atic sampling; StRS indicates stratified random sampling; StSS indicates stratified system atic sampling; 30, 60, 90, 120 represent sample size

下载: 全尺寸图片幻灯片

图 5 不同采样设计下目标鱼种空间格局指数的相对偏差

SRS表示简单随机抽样；SYS表示系统抽样；StRS表示分层随机抽样；StSS表示分层系统抽样；30、60、90、120表示样本量

Fig. 5 The relative bias of spatial pattern index for target species for different sampling designs

下载: 全尺寸图片幻灯片

图 6 空间格局指数初始值对空间格局指数估计的影响

Fig. 6 The effects of original spatial pattern on the estimation of spatial pattern indices

下载: 全尺寸图片幻灯片

表 1 山东半岛南部海域目标鱼种的相对资源量及空间格局指数

Tab. 1 The relative abundance and spatial pattern indices of two target fish species in the southern waters off Shandong Peninsula

季节	星康吉鳗			方氏云鳚
季节	相对资源量（均值±标准差）/（kg·h⁻¹）	平均拥挤度	聚块指数	相对资源量（均值±标准差）/（kg·h⁻¹）	平均拥挤度	聚块指数
春	3.628±2.775	4.756	1.311	6.945±1.777	6.399	0.921
夏	3.666±2.061	3.825	1.043	6.576±1.680	6.006	0.913
秋	3.023±0.918	2.303	0.762	3.368±1.789	3.324	0.987
冬	1.808±1.914	2.836	1.569	4.000±1.130	3.318	0.830

下载: 导出CSV

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