广西合浦海草床面临的威胁与保护对策

2003年7月对广西合浦海草床进行了现场调查,并对海草床周围利益相关者进行抽样问卷调查.结果表明当地社会经济发展和居民生活对海草所在的海域依赖程度比较高;合浦海草床目前所面临的威胁主要以人为破坏因素为主:挖沙虫、挖螺、耙螺,围网捕渔、电鱼虾,插桩养蚝,底拖网作业等;海草床退化的因果链分析结果表明,为增加经济收入是产生这些人为破坏因素的主要原因.最后综合分析了该区域海草保护与管理所面临的主要问题,并提出了相应的保护对策.

Threat and protection measurement of Hepu seagrass beds in Guangxi

The field investigation and sample questionnaire among the relative inhabitants were carried out in HePu seagrass beds of Guangxi in Jul.2003.The results showed that the local economic development and residents' living hve high depend upon the seagrass in the sea area.The artificial destroy was the main factor which led to the degenerating of seagrass beds,including digging Sipunculus nudus Linnaeuses,Phascolosoma esculentaes,and shellfishes,fishing by trawling,aquaculture etc;The result and effect showed that the sake of increasing income was the main reason which brought the artificial factor.General analysis for the main problems during the protection and management were made,the relevant protecting measures were advanced finally.