The Solomon Islands, Samoa and Tonga are among countries with high rates of forest degradation due to heavy exploitation of timber resources.

由于过度开采木材资源，所罗门群岛、萨摩亚和汤加的森林退化率很高。

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The main cooperative fields should be joint exploitation of oil , gas and forest resources and agricultural collaboration.

主要合作领域应是石油天然气资源、森林资源的联合开发及农业合作。

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Results showed that the area proportion of each forest landscape type was strongly influenced by comparative earnings of land exploitation and would change with fluctuation of market price.

结果表明：森林景观类型的比例与林地利用的经济效益成正比，并受市场行情波动的影响较大；

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The principal aim of these policy instruments was to promote development, social empowerment (poverty alleviation) and environmental conservation through participatory or community-based management and exploitation or utilisation of forests and forest resources.

UNESCO: Community-Based Forestry Management Programme