The species' decline is driven primarily by loss of forest habitat to palm oil plantations and other human land use, according to IUCN.

据国际自然保护联盟说，这个物种衰落的主要原因是棕榈油种植园和其他人类用地使森林栖息地丧失。

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When land gets developed for human use, the landscape changes.

当土地被开发为人类使用时，其地貌就会发生变化。

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The land use has to do with human activities. People earn their living by using the land.

土地利用与人类活动密切相关，人们通过利用土地来谋生。

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The United Nations recently raised concerns regarding the health and climatic impacts of particles emitted by vegetation fires in regions subject to land use changes and human driven deforestation such as South-East Asia, where they are responsible for 10, 800 premature deaths per year.

UNESCO: 2015 For Women In Science Fellows

Science plays an important role in our response to global issues such as climate change, the hydrological cycle, biodiversity loss, natural hazards and human-induced disasters, population growth, land-use change, migration and urbanisation.

UNESCO: UK National Commission for UNESCO :: Environmental Science