Enhancing coral restoration practices in Seychelles: benefits and limitations of fishing lines and rope as coral stocking methods

IF 2.8 3区 环境科学与生态学 Q2 ECOLOGY Restoration Ecology Pub Date : 2024-09-02 DOI:10.1111/rec.14252
Charlotte Dale, Athina Antoine, Giovanni Strona, Michael Bell, Nirmal Shah, Luca Saponari
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Abstract

Coral restoration plays a pivotal role in mitigating the decline of coral reefs, increasing the need for implementing effective techniques and methodologies. This study investigates the efficacy of stocking Acropora muricata and Pocillopora grandis using fishing line versus rope in mid‐water floating nurseries, offering valuable insights for coral restoration practitioners. Over 1 year, survival, tissue cover, growth, cleaning time, cost, preparation, and stocking timing for both methods were evaluated. Fishing line reduced contact with fouling organisms, contributing to enhanced coral tissue cover and growth rates for P. grandis compared to rope, but no significant effect was detected for A. muricata. Survival differed among species, with higher rates for P. grandis compared to A. muricata, indicating no impact due to stocking methods but species‐specific differences. Challenges like nursery collapses and amphipod outbreaks may have impacted survival, emphasizing the importance of consistent maintenance and accessibility of project sites. Furthermore, the fishing line method reduced cleaning effort. However, cost considerations and preparation complexities for fishing line warrant careful evaluation, particularly with regards to project budgets. The study underscores the necessity for further research, incorporating diverse genotypes, species, and initial fragment sizes to refine restoration strategies. In summary, this study provides important guidance for coral restoration practitioners, aiding informed decisions on stocking methods for different projects and species while considering the balance between coral health benefits and operational feasibility.
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加强塞舌尔的珊瑚修复实践:将鱼线和绳索作为珊瑚放养方法的益处和局限性
珊瑚修复在缓解珊瑚礁衰退方面发挥着关键作用,因此更需要实施有效的技术和方法。本研究调查了在中层水漂浮苗圃中使用鱼线与绳索放养 Acropora muricata 和 Pocillopora grandis 的效果,为珊瑚修复从业人员提供了宝贵的见解。在一年的时间里,对两种方法的存活率、组织覆盖率、生长情况、清理时间、成本、准备工作和放养时间进行了评估。与绳索相比,渔线减少了与污损生物的接触,从而提高了大叶珊瑚的组织覆盖率和生长率,但对小叶珊瑚没有显著影响。不同物种的存活率不同,大叶珊瑚的存活率高于小叶珊瑚,这表明放养方法没有影响,但物种之间存在差异。育苗场倒塌和片脚类动物爆发等挑战可能会影响存活率,这强调了项目地点的持续维护和可达性的重要性。此外,钓线法减少了清理工作。不过,考虑到成本因素和钓线准备工作的复杂性,需要对其进行仔细评估,特别是在项目预算方面。这项研究强调了进一步研究的必要性,即结合不同的基因型、物种和初始片段大小来完善恢复策略。总之,这项研究为珊瑚修复从业人员提供了重要指导,有助于在考虑珊瑚健康效益和操作可行性之间平衡的同时,就不同项目和物种的放养方法做出明智的决定。
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来源期刊
Restoration Ecology
Restoration Ecology 环境科学-生态学
CiteScore
6.50
自引率
15.60%
发文量
226
审稿时长
12-24 weeks
期刊介绍: Restoration Ecology fosters the exchange of ideas among the many disciplines involved with ecological restoration. Addressing global concerns and communicating them to the international research community and restoration practitioners, the journal is at the forefront of a vital new direction in science, ecology, and policy. Original papers describe experimental, observational, and theoretical studies on terrestrial, marine, and freshwater systems, and are considered without taxonomic bias. Contributions span the natural sciences, including ecological and biological aspects, as well as the restoration of soil, air and water when set in an ecological context; and the social sciences, including cultural, philosophical, political, educational, economic and historical aspects. Edited by a distinguished panel, the journal continues to be a major conduit for researchers to publish their findings in the fight to not only halt ecological damage, but also to ultimately reverse it.
期刊最新文献
How does restoration ecology consider climate change uncertainties in forested ecosystems? Does decline and recovery process affect clonal and genetic diversity of a coastal plant population? Salt tolerance of native trees relevant to the restoration of degraded landscapes in the Monte region, Argentina Frequency of association: a key indicator for assessing livestock grazing effects on dryland plant interactions, applicable in restoration Low retention of restocked laboratory‐reared long‐spined sea urchins Diadema antillarum due to Spanish hogfish Bodianus rufus predation
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