Different thermal regimes and susceptibility to herbivory do not constrain seagrass seedling restoration.

IF 3 3区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES

Marine environmental research Pub Date : 2024-12-19 DOI:10.1016/j.marenvres.2024.106918

Arianna Pansini, Patrizia Stipcich, Sara Frasca, Luciana Migliore, Giulia Ceccherelli

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引用次数: 0

Abstract

Recovering seagrass ecosystems through restoration has become impellent to re-establish their functionality and services. Although the use of seedlings may represent an appropriate solution, little information is provided on the seedling-based restoration effectiveness with influence of biotic and abiotic interactions. Survival, morphological development and leaf total phenol content of transplanted Posidonia oceanica seedlings were evaluated under different origin, thermal regimes and herbivore pressure through a five-months field experiment in two MPAs, located on the west (cold) and east (warm) Sardinia coast to explore the effectiveness of seedling-based restoration. Seedlings originated from the two coasts responded differently to thermal regime site and herbivory pressure, as the warm-adapted ones survived less but developed more (and vice-versa) and resisted to the herbivory pressure increasing their phenol content, thus showing compensating responses. This study provided information on the P. oceanica seedling-based restoration by investigating abiotic and biotic interactions with the transplanted plants. It promotes the collection of beach-cast fruits from different coasts and their transplantation, regardless their origin, with no need of protecting seedlings from predators.

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不同的热环境和对草食的敏感性不影响海草幼苗的恢复。

通过恢复来恢复海草生态系统已经成为重建其功能和服务的推动力。虽然使用幼苗可能是一种适当的解决方案，但关于生物和非生物相互作用影响下基于幼苗的恢复效果的信息很少。在撒丁岛西部（寒冷）和东部（温暖）两个海洋保护区进行了为期5个月的野外试验，评估了不同来源、热环境和食草动物压力下，移植的Posidonia oceanica幼苗的存活率、形态发育和叶片总酚含量，以探索幼苗恢复的有效性。来自两岸的幼苗对热环境和草食压力的响应不同，适应温暖的幼苗存活较少，但发育较多（反之亦然），并且对草食压力的抵抗增加了其酚含量，从而表现出补偿反应。本研究通过对移栽植物的非生物和生物相互作用的研究，为海洋海参幼苗恢复提供了信息。它促进了来自不同海岸的海滩水果的收集和移植，而不需要保护幼苗免受捕食者的侵害。

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

Marine environmental research 环境科学-毒理学

CiteScore

5.90

自引率

3.00%

发文量

217

审稿时长

46 days

期刊介绍： Marine Environmental Research publishes original research papers on chemical, physical, and biological interactions in the oceans and coastal waters. The journal serves as a forum for new information on biology, chemistry, and toxicology and syntheses that advance understanding of marine environmental processes. Submission of multidisciplinary studies is encouraged. Studies that utilize experimental approaches to clarify the roles of anthropogenic and natural causes of changes in marine ecosystems are especially welcome, as are those studies that represent new developments of a theoretical or conceptual aspect of marine science. All papers published in this journal are reviewed by qualified peers prior to acceptance and publication. Examples of topics considered to be appropriate for the journal include, but are not limited to, the following: – The extent, persistence, and consequences of change and the recovery from such change in natural marine systems – The biochemical, physiological, and ecological consequences of contaminants to marine organisms and ecosystems – The biogeochemistry of naturally occurring and anthropogenic substances – Models that describe and predict the above processes – Monitoring studies, to the extent that their results provide new information on functional processes – Methodological papers describing improved quantitative techniques for the marine sciences.