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首页> 外文期刊>Trends in Plant Science >Fire as an evolutionary pressure shaping plant traits
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Fire as an evolutionary pressure shaping plant traits

机译:火作为进化压力塑造植物性状

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Traits, such as resprouting, serotiny and germination by heat and smoke, are adaptive in fire-prone environments. However, plants are not adapted to fire per se but to fire regimes. Species can be threatened when humans alter the regime, often by increasing or decreasing fire frequency. Fire-adaptive traits are potentially the result of different evolutionary pathways. Distinguishing between traits that are adaptations originating in response to fire or exaptations originating in response to other factors might not always be possible. However, fire has been a factor throughout the history of land-plant evolution and is not strictly a Neogene phenomenon. Mesozoic fossils show evidence of fire-adaptive traits and, in some lineages, these might have persisted to the present as fire adaptations.
机译:易发芽的环境中的特质,例如发芽,丝状核素和热和烟的发芽,是可以适应的。但是,植物本身并不适合于火灾,而是适合于火灾情况。当人类改变政权时,通常会通过增加或减少火灾频率来威胁物种。火适应性状可能是不同进化途径的结果。区分特征是响应于火而产生的适应还是响应于其他因素而引起的脱离可能并非总是可能的。但是,火灾一直是整个陆地植物进化史中的一个因素,而严格来说并不是新近现象。中生代化石显示出具有火适应性的证据,并且在某些谱系中,这些可能作为火适应一直持续到现在。

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