Resource availability and disturbance frequency shape evolution of plant life forms in Neotropical habitats

IF 8.1 1区 生物学 Q1 PLANT SCIENCES New Phytologist Pub Date : 2024-02-21 DOI:10.1111/nph.19601
Luana S. Prochazka, Suzana Alcantara, Juliana Gastaldello Rando, Thais Vasconcelos, Raquel C. Pizzardo, Anselmo Nogueira
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资源可用性和干扰频率决定了新热带栖息地植物生命形式的进化。
生物利用不同的策略在不同的生境中繁衍生息。虽然生命史理论可以部分解释这些关系,但资源可用性和干扰频率对生命形式策略演化的综合影响受到的关注却很有限。我们以新热带地区植物生命形式多样性较高的豆科植物 Chamaecrista 为研究对象,采用生态位建模和系统发育比较方法,考察了植物生命形式与环境生态位之间的相关进化。在水分和养分供应适中、火灾干扰不频繁的环境中,绒毛植物和扇叶植物最适宜生长。相比之下,一年生植物在缺水缺养分、火灾干扰频繁的环境中生长茂盛。同样,地生植物物种虽然在资源丰富的环境中茁壮成长,但对频繁火灾干扰的抵抗力也有所增强。我们的发现揭示了植物在环境梯度上的进化策略,强调了一年生植物和地生植物对高发生率火灾干扰的不同反应,一种是在资源有限的栖息地以种子形式承受火灾干扰,另一种是在资源丰富的栖息地依靠储备和根系重新萌发系统。此外,它还加深了我们对生物如何与其栖息地相关进化的理解,强调了低资源和高干扰环境带来的限制。
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来源期刊
New Phytologist
New Phytologist 生物-植物科学
自引率
5.30%
发文量
728
期刊介绍: New Phytologist is an international electronic journal published 24 times a year. It is owned by the New Phytologist Foundation, a non-profit-making charitable organization dedicated to promoting plant science. The journal publishes excellent, novel, rigorous, and timely research and scholarship in plant science and its applications. The articles cover topics in five sections: Physiology & Development, Environment, Interaction, Evolution, and Transformative Plant Biotechnology. These sections encompass intracellular processes, global environmental change, and encourage cross-disciplinary approaches. The journal recognizes the use of techniques from molecular and cell biology, functional genomics, modeling, and system-based approaches in plant science. Abstracting and Indexing Information for New Phytologist includes Academic Search, AgBiotech News & Information, Agroforestry Abstracts, Biochemistry & Biophysics Citation Index, Botanical Pesticides, CAB Abstracts®, Environment Index, Global Health, and Plant Breeding Abstracts, and others.
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