期刊
AQUATIC BOTANY
卷 188, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.aquabot.2023.103659
关键词
Clonal integration; Cymodocea nodosa; Biotic stress; Chaeotomorpha linum; Seagrass-macroalgae interaction
This study investigates the ecological significance of clonal integration in Cymodocea nodosa's ability to tolerate biotic stress caused by interactions with the drift macroalgae Chaetomorpha linum. The results show that disconnected plants did not show significant differences in structural and morphological characteristics compared to intact plants. However, physiological analysis suggests that C. nodosa may still benefit from shared resources with neighboring plants to mitigate stress caused by C. linum. Moreover, C. nodosa adapts to the presence of C. linum by increasing leaf photosynthetic content, reducing growth rate, and modulating its morphology, regardless of its integration status.
Seagrasses are clonal plants that can form meadows in shallow coastal water. Under natural conditions, drift macroalgae can be found associated with seagrass but when facilitated by high nutrient input, opportunistic macroalgae can grow excessively and form mats that impose stressful and highly competitive conditions for seagrasses. In this study, we experimentally investigate the ecological significance of clonal integration in the ability of Cymodocea nodosa to tolerate biotic stress triggered by interactions with the drift macroalgae Chaeotomorpha linum. Our findings provide little support for the hypothesis that clonal integration can influence C. nodosa response to stress, as disconnected plants did not show significant differences in structural and morphological characteristics compared to intact plants. However, the physiological analysis suggests that C. nodosa may still benefit from shared resources with neighbouring plants to mitigate stress caused by C. linum. Moreover, the results indicate that C. nodosa adapts to the presence of the filamentous drift macroalgae C. linum by increasing leaf photosynthetic content, reducing growth rate, and modulating its morphology, regardless of its integration status.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据