论文部分内容阅读
一定数量的海岛及其分布,海岛的形态,自然环境决定了一定区域海岛的生态功能。海岛的生态环境是一个系统,是由若干个环境要素构成的,任何一个要素都不能独立存在,而且任何一个要素的改变都会造成整个海岛生态功能的改变。海岛和海域是在经过了长期的自然变迁后形成的自己稳定的生态系统,这种稳定的生态系统都是在没有人类的干扰下形成的。随着人类社会的不断发展,陆地自然资源的匮乏,人类的脚步开始迈出大陆,走向开发“蓝色国土”的阶段,开发目的都是要向海洋索取自己需要的东西,而不是为了保护海洋的生态环境,海洋生态环境的破坏程度取决于人类对海洋生态的干扰程度,开发海洋的活动势必对于海岛的生态系统都会造成或多或少的干扰。从而造成海岛和一定海域的生态功能改变,导致海洋自我清洁、自我恢复的能力下降,进而导致海域生产能力的降低甚至丧失。
A certain number of islands and their distribution, the island’s morphology and natural environment determine the ecological functions of the islands in certain areas. The island’s ecological environment is a system composed of several environmental elements. No one element can exist independently. And any change of one element will result in the change of the ecological function of the island. The islands and seas are their own stable ecosystems that have formed after long-term natural changes. These stable ecosystems are formed without human interference. With the continuous development of human society and the scarcity of natural resources on the land, the human footsteps have started to move on to the mainland and to the stage of developing “blue land”. The purpose of development is to obtain what they need from the sea instead of To protect the marine environment, the degree of damage to the marine environment depends on the degree of human disturbance to the marine ecology. The development of the ocean will inevitably cause more or less disturbance to the island’s ecosystem. As a result, the ecological functions of islands and certain sea areas are changed, leading to a decrease in the ability of the oceans to clean themselves and restore themselves, which in turn leads to a decrease or even a loss of sea productivity.