| 河北省曹妃甸近岸海域春季生态系统健康现状评价 | |
| Alternative Title | Effects of environmental variables on catch rates of Thunnus alalunga in waters near Cook Islands |
| 程林; 王欣平; 王艳霞; 田海兰; 石雅君; 刘西汉 | |
| Source Publication | 海洋通报
 |
| ISSN | 1001-6392 |
| 2016-12-28 | |
| Volume | 36Issue:6Pages:12-14+18 |
| Keyword | 综合健康指数 生态系统健康评价 反距离权重空间插值 曹妃甸近岸海域 |
| Contribution Rank | (1)河北省科学院地理科学研究所;(2)河北师范大学资源与环境科学学院河北省环境演变与生态建设实验室;(3)天津海景科技有限公司;(4)中国科学院烟台海岸带研究所中国科学院和山东省海岸带环境过程重点实室; |
| Department | 中科院烟台海岸带研究所知识产出 |
| Abstract | 基于2014年5月的现场调查,从水质、底质和生物三个方面构建了曹妃甸近岸生态系统的健康评价指标体系,利用模糊综合评价法评价曹妃甸近岸海域各站点健康水平和综合健康水平。评价结果显示:底质优于水质和生物,综合健康评价结果为亚健康。采用反距离权重(IDW)空间插值法绘制的水质、底质和生物的健康状况空间分布图以及综合健康水平空间分布图。水质、底质和生物的健康水平空间变化趋势差别较大,综合健康分布图反映出研究区西侧比东侧污染更为严重的现状。 |
| Other Abstract | Better understanding of the effects of environmental variables on catch rates of albacore tuna ( Thunnusalalunga) is beneficial to the increase of the albacore tuna catch rate in the longline fisheries. In this study, the catch rate of albacore tuna and environmental variables were collected from longline surveys in waters near Cook Islands from Sep. 8, 2013 through Dec. 31, 2013. Data included: hook depth data, temperature, chlorophyll-a concentration, three dimensional sea current vertical profile data, operating parameters, and catch data. Stepwise regression was used to develop the hook depth calculation model. Statistics and clustering analysis were used to analyze the effects of environmental variables on albacore tuna catch rate. Results showed that the depth, temperature, chlorophyll-a concentration, east-west direction currents, northsouth direction currents, vertical currents and horizontal current range with the high catch rate of albacore tuna were 160~200m, 21.0~23.9 ℃, 0.040~0.159 μg/L, 0~0.1 m/s, 0.1~0.2 m/s, 0.08~0.10 m/s and 0.1~0.2 m/s, respectively. Results suggest that the hook numbers should be increased in the water depth, temperature, chlorophyll-a concentration, east-west direction current, north-south direction currents, vertical currents and horizontal current range with the high albacore tuna catch rate when fishing in the waters near Cook Islands and targeting albacore tuna. |
| Subtype | 期刊论文 |
| Funding Organization | 河北省科学院科技计划项目(14008013) ; 中国科学院院地合作项目 |
| Indexed By | CSCD |
| Language | 中文 |
| CSCD ID | CSCD:5952630 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.yic.ac.cn/handle/133337/22101 |
| Collection | 支撑部门_所级公共技术服务中心 |
| Corresponding Author | 王欣平 |
| Affiliation | 1.河北省科学院地理科学研究所 2.河北师范大学资源与环境科学学院河北省环境演变与生态建设实验室 3.天津海景科技有限公司 4.中国科学院烟台海岸带研究所中国科学院和山东省海岸带环境过程重点实室 |
| Recommended Citation GB/T 7714 | 程林,王欣平,王艳霞,等. 河北省曹妃甸近岸海域春季生态系统健康现状评价[J]. 海洋通报,2016,36(6):12-14+18. |
| APA | 程林,王欣平,王艳霞,田海兰,石雅君,&刘西汉.(2016).河北省曹妃甸近岸海域春季生态系统健康现状评价.海洋通报,36(6),12-14+18. |
| MLA | 程林,et al."河北省曹妃甸近岸海域春季生态系统健康现状评价".海洋通报 36.6(2016):12-14+18. |
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