They can also indirectly support the preservation of entire forests, which in turn helps to combat climate change, according to Cornell University conservation scientist Jeff Wells.

据科奈尔环境保护科学家杰夫。 威尔斯说，驯鹿也间接支持整个森林的防护，轮流帮助对抗气候变化。

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Therefore, programmes involving the conservation and preservation of some natural and cultural sites also form a part of ecotourism.

因此，涉及保护和保存一些自然和文化遗址的项目也成了生态旅游的一部分。

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Restricting conservation and cryopreservation are two main methods of plant germplasm in vitro preservation.

限制生长保存和超低温保存是植物种质离体保存的两种主要方法。

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The main objective when considering such applications should be the protection and sustenance of each World Heritage Site through the conservation and preservation of its Outstanding Universal Value.

UNESCO: UK National Commission for UNESCO :: New Circular on the Protection of World Heritage Sites published

The World Heritage Committee also examines reports on the state of conservation of inscribed sites and asks States Parties to take appropriate conservation and preservation measures when necessary.

UNESCO: Thirty-nine properties to be considered for inscription on UNESCO��s World Heritage List | United Nations Educational, Scientific and Cultural Organization

We are particularly encouraged by the emphasis on the conservation and preservation of the Outstanding Universal Value of each site as a means of protecting and sustaining World Heritage Sites in England.

UNESCO: UK National Commission for UNESCO :: New Circular on the Protection of World Heritage Sites published