Variation of multiple plant defences and herbivory reveal different patterns of adaptation across a productivity gradient

IF 6.3 1区 环境科学与生态学 Q1 ECOLOGY
Jacob E. Herschberger, Eduardo S. Calixto, Valerie R. Campbell, John L. Maron, Philip G. Hahn
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引用次数: 0

Abstract

多种植物防御和草食的变化揭示了不同生产力梯度的适应模式
具有大地理分布的植物在其分布范围内经历不同的生物和非生物条件,这些条件可以影响种群中的植物防御性状。与居住在较冷、较干燥和较低生产力地区的人口相比,居住在较温暖、较潮湿和较高产地区的人口是否面临更大的压力并导致更高的国防投资仍不确定。本文对茄草的防御性状和草食性进行了定量分析。跨越巨大的气候和生产力梯度。本研究在北南(29-44°N)的整个范围内(33个种群,每种群约15株)取样,采用普通园林试验(15个种群,每种群约5株)。我们研究了气候是否能预测:(1)植物防御性状(比叶面积、毛状体密度和糖生物碱浓度),(2)草食伤害,(3)田间和普通园林植物性状与草食伤害的相关性。在其分布范围的中心,卡罗林草的毛状体密度和草食损害较高,而在田间和普通花园中,糖生物碱浓度与温暖、潮湿的气候呈负相关。在田间,糖生物碱产量高的植物食草性减少,而在普通园林中,糖生物碱产量高的植物受到的伤害更大。合成。总的来说,这些发现表明,同一物种内不同类型的防御性状可能遵循不同的生态和进化趋势,并强调在种内水平应用植物防御假说时需要考虑性状特异性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Ecology
Journal of Ecology 环境科学-生态学
CiteScore
10.90
自引率
5.50%
发文量
207
审稿时长
3.0 months
期刊介绍: Journal of Ecology publishes original research papers on all aspects of the ecology of plants (including algae), in both aquatic and terrestrial ecosystems. We do not publish papers concerned solely with cultivated plants and agricultural ecosystems. Studies of plant communities, populations or individual species are accepted, as well as studies of the interactions between plants and animals, fungi or bacteria, providing they focus on the ecology of the plants. We aim to bring important work using any ecological approach (including molecular techniques) to a wide international audience and therefore only publish papers with strong and ecological messages that advance our understanding of ecological principles.
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