Halophila baillonii 隐藏的分布范围：热带大西洋稀有海草的重新发现与保护

IF 1.9 4区生物学 Q2 MARINE & FRESHWATER BIOLOGY

Aquatic Botany Pub Date : 2024-10-19 DOI:10.1016/j.aquabot.2024.103828

Karine Matos Magalhães , Thomaz Henrique Arruda Lima , Roberto Lima Barcellos , Ana Maria Costa Souza

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引用次数: 0

摘要

这项研究描述了稀有海草物种 Halophila baillonii 的一个种群特征，该种群是在巴西海岸首次记录后 130 多年才被重新发现的。研究回顾了该物种在全球的历史和当前分布情况以及物种特征，以调查种群扩张情况并对全球种群进行比较。总体而言，这个新种群的海草特征与之前研究过的种群（包括海洋保护区内的种群）相比没有明显差异。不过，该物种在全球范围内缺乏种群数据。在热带大西洋生物区内发现了 13 个种群，其中大多数位于多特异性草甸中。在这些多特异性草甸中，H. baillonii 的叶片较宽。最近重新发现该种群提出了一个问题：我们观察到的是其分布范围的真正扩大，还是我们只是忽略了它在某些地区的存在？

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Halophila baillonii's hidden distribution range: Rediscovery and conservation of a rare seagrass in the Tropical Atlantic

This study characterizes a population of the rare seagrass species Halophila baillonii, rediscovered over 130 years after its initial record on the Brazilian coast. Historical and current global distribution and species traits were reviewed to investigate population expansion and compare worldwide populations. Generally, seagrass traits of this new population showed no significant differences compared to previously studied populations, including those within Marine Protected Areas. However, a global lack of population data for the species was identified. Thirteen populations were recognized within the Tropical Atlantic Bioregion, with most in multispecific meadows. In these multispecific meadows, H. baillonii leaves were wider. The recent rediscovery of this population raises the question: are we observing a genuine expansion of its distribution range, or have we simply overlooked its presence in certain areas?

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来源期刊

Aquatic Botany 生物-海洋与淡水生物学

CiteScore

3.80

自引率

5.60%

发文量

审稿时长

6 months

期刊介绍： Aquatic Botany offers a platform for papers relevant to a broad international readership on fundamental and applied aspects of marine and freshwater macroscopic plants in a context of ecology or environmental biology. This includes molecular, biochemical and physiological aspects of macroscopic aquatic plants as well as the classification, structure, function, dynamics and ecological interactions in plant-dominated aquatic communities and ecosystems. It is an outlet for papers dealing with research on the consequences of disturbance and stressors (e.g. environmental fluctuations and climate change, pollution, grazing and pathogens), use and management of aquatic plants (plant production and decomposition, commercial harvest, plant control) and the conservation of aquatic plant communities (breeding, transplantation and restoration). Specialized publications on certain rare taxa or papers on aquatic macroscopic plants from under-represented regions in the world can also find their place, subject to editor evaluation. Studies on fungi or microalgae will remain outside the scope of Aquatic Botany.