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首页> 外文期刊>Trends in Plant Science >BVOCs: plant defense against climate warming?
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BVOCs: plant defense against climate warming?

机译:BVOC:植物防御气候变暖?

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Plants emit a substantial amount of biogenic volatile organic compounds (BVOCs) into the atmosphere. These BVOCs represent a large carbon loss and can be up to similar to10% of that fixed by photosynthesis under stressful conditions and up to 100 g C m(-2) per year in some tropical ecosystems. Among a variety of proven and unproven BVOC functions in plants and roles in atmospheric processes, recent data intriguingly link emission of these compounds to climate. Ongoing research demonstrates that BVOCs could protect plants against high temperatures. BVOC emissions are probably increasing with warming and with other factors associated to global change, including changes in land cover. These increases in BVOC emissions could contribute in a significant way (via negative and positive feedback) to the complex processes associated with global warming.
机译:植物向大气中排放大量的生物挥发性有机化合物(BVOC)。这些BVOC代表大量的碳损失,在某些压力条件下,可以高达光合作用固定的10%的碳损失,在某些热带生态系统中每年高达100 g C m(-2)。在植物中各种经证实和未经证实的BVOC功能以及在大气过程中的作用中,最新数据引人入胜地将这些化合物的排放与气候联系起来。正在进行的研究表明,BVOC可以保护植物免受高温侵害。 BVOC排放可能随着变暖以及与全球变化相关的其他因素(包括土地覆盖的变化)而增加。 BVOC排放量的这些增加可能(通过负反馈和正反馈)对与全球变暖相关的复杂过程做出重大贡献。

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