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The Population Carrying Capacity of Waters Ecosystem in China 被引量:1

中国水域生态系统人口承载力研究(英文)
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摘要 The study of waters ecosystem and their population carrying capacity demonstrates the role of these ecosystems in economic and social development and provides a theoretical basis for the management and allocation of aquatic ecosystems. In this study, the concept of waters ecosystem population carrying capacity was defined and developmental trends in the population carrying capacity of waters ecosystem in China were evaluated. Results show that waters ecosystem population carrying capacity in China increased from 0.176×109 person year-1 in 2000 to 0.255 × 109 person year-1 in 2010; the population carrying capacity of the standard sea remained at 0.2-0.3 person ha 1; and the standard inland waters population carrying capacity increased from 1.8 to 3.2 person ha-1. This analysis indicates notable regional difference in waters population carrying capacity. In southeastern coastal China and Yangtze River drainage areas where inland waters are widely distributed and aquaculture is developed, the population carrying capacity is higher; however, in northwest China where water resource are deficient and the distribution is relatively small, the waters population carrying capacity is low. The waters ecosystem population carrying capacity of China in 2030 was predicted and results indicate strong potential for increasing waters population carrying capacity. 水域生态系统人口承载力研究展示了水域生态系统对社会经济发展的支撑作用,为水域生态系统科学管理及水产资源合理配置提供理论依据。本文定义了水域生态系统人口承载力的概念,对中国水域生态系统人口承载力的现状及发展趋势进行了评价和预测。结果表明:2000-2010年中国水域人口承载力由1.758×108人逐年递增到2.549×108人,标准海域人口承载力基本不变维持在0.2-0.3人/公顷之间,标准内陆水域人口承载力由1.8人/公顷增加到3.2人/公顷。分析表明:中国内陆水域人口承载力表现出显著的地域差异。中国东南沿海、长江流域内陆水域分布广泛,水产养殖业发达的地区,水域人口承载力高;西北水资源匮乏,水域分布较少,淡水捕捞量少,水产养殖业发展缓慢,水域人口承载力低。另外,通过预测2030年水域人口承载力可知,中国水域人口承载力仍有很大的提高潜力。
出处 《Journal of Resources and Ecology》 CSCD 2016年第1期21-27,共7页 资源与生态学报(英文版)
基金 Projects of Strategic S&T Plan of IGSNRR(No.2012ZD007) projects of China geological survey(No.12120114006401)
关键词 waters ecosystem biological production population carrying capacity aquatic resources China 水域生态系统 人口承载力 水产资源 中国
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