人类活动对广西合浦海草床服务功能价值的影响

被引：17

作者：

韩秋影

黄小平

施平

张景平

机构：

[1] 中国科学院南海海洋研究所热带海洋环境动力学重点实验室

来源：

生态学杂志 | 2007年 / 04期

关键词：

人类活动; 海草床; 生态系统服务; 价值; 广西合浦;

D O I：

10.13292/j.1000-4890.2007.0099

中图分类号：

Q988 [人类生态学];

学科分类号：

071012 ; 0713 ;

摘要：

近年来,中国海草生态系统受到严重破坏。本文以广西合浦海草床生态系统为例,采用1980—2005年当地统计资料,综合运用生态经济学的基本理论,以海草床的食物生产、调节大气、生态系统营养循环、净化水质、维持生物多样性和科学研究功能作为指标体系,对人类活动造成合浦海草床生态系统的价值损失进行了初步估算。结果表明,从1980—2005年,合浦海草床由于人类活动造成的价值损失为34657.95万元,损失率为71.97%。直接利用价值增加了4452.88万元,而间接利用价值损失为39110.83万元,损失率高达81.82%。说明人类对合浦海草床的开发利用强度增大趋势明显。

引用

页码：544 / 548

页数：5

共 23 条

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