蚂蚁可能缓冲了中国西南热带雨林中的扬森-康奈尔效应

IF 4.4 2区 环境科学与生态学 Q1 ECOLOGY Ecology Pub Date : 2024-07-19 DOI:10.1002/ecy.4380
Gang Zhou, Jing-Xin Liu, Jikun Liu, Jie Yang, Xiujuan Qiao, Min Cao, Mingxi Jiang
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引用次数: 0

摘要

蚂蚁与植物之间的互利共生关系在自然界非常普遍。蚂蚁可以阻止有害生物,并为植物提供保护,以换取食物或房屋奖励。利用中国西南热带季雨林的长期人口数据集,我们发现与蚂蚁的关系对幼苗存活率和成虫生长有积极影响,而且与无花蜜腺的物种相比,有花蜜腺的物种经历的同种负密度依赖性较弱。此外,我们还发现了强有力的证据,表明我们森林中的物种具有同种密度依赖性,我们将其解释为沉重的虫害压力可能会推动抗虫害共生关系的发展,如植物与蚂蚁的关系。我们的研究结果表明,蚂蚁和同种邻居对植物的生存和生长起着重要但相反的作用,在这片热带森林中,蚂蚁可以缓冲树木邻居之间的相互作用。
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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Ants may buffer the Janzen–Connell effect in a tropical forest in Southwest China

Mutualistic symbioses between ants and plants are widespread in nature. Ants can deter unwanted pests and provide protection for plants in return for food or housing rewards. Using a long-term demographic dataset in a tropical seasonal rain forest in Southwest China, we found that associations with ants positively influenced seedling survival and adult growth, and also, species with extrafloral nectaries experienced weaker conspecific negative density dependence compared with species without extrafloral nectaries. Furthermore, we found strong evidence suggesting that species in our forest experienced conspecific density dependence, which we interpreted as heavy pest pressure that may drive the development of anti-pest symbioses such as the plant–ant relationship. Our findings suggest that ants and conspecific neighbors play important but inverse roles on plant survival and growth and that ants can buffer tree neighborhood interactions in this tropical forest.

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来源期刊
Ecology
Ecology 环境科学-生态学
CiteScore
8.30
自引率
2.10%
发文量
332
审稿时长
3 months
期刊介绍: Ecology publishes articles that report on the basic elements of ecological research. Emphasis is placed on concise, clear articles documenting important ecological phenomena. The journal publishes a broad array of research that includes a rapidly expanding envelope of subject matter, techniques, approaches, and concepts: paleoecology through present-day phenomena; evolutionary, population, physiological, community, and ecosystem ecology, as well as biogeochemistry; inclusive of descriptive, comparative, experimental, mathematical, statistical, and interdisciplinary approaches.
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