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一、森林的防护效益海南岛森林在维护全岛生态平衡的重要意义许多调查报告中已谈得很多。根据这次踏查和访问,下列功能较为明显. 1.山区及丘陵区森林具有涵养水源,保持土壤的作用。这一功能进一步影响下游洪涝干旱的调节、河流、水库泥沙淤积的减免并保证水量、水质有利于河流及海口的渔业
I. The Protective Effectiveness of Forests The significance of Hainan Island forests in maintaining the ecological balance of the island has been discussed in many surveys. According to this survey and visit, the following functions are obvious: 1. The forests in mountainous and hilly areas have the function of conserving water and keeping the soil. This function further affects the regulation of downstream floods and droughts, reduction and exemption of silt deposits in rivers and reservoirs and the guarantee of water quantity and water quality in favor of fisheries in rivers and Haikou