難破船から海底生態系への洞察が得られる(Shipwrecks offer insights into subsea ecology)

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2023-12-21 エディンバラ大学

◆エジンバラの考古学者らによる研究によれば、水没した場所や船舶の生態系を追跡することで、生物が環境にどう適応し生き残るかの重要な手がかりが得られるとしています。船舶の残骸は生態リソースを提供し、多様な生物が住み着くことで、生態系の連結性や交替、擾乱、劣化などのプロセスが理解されつつあります。一方で、これらの残骸は侵入種や有害物質を保有する可能性があり、その影響にも注意が必要です。
◆研究チームは、科学的探査が可能な船舶のためのグローバルな生物文化遺産モニタリングネットワークの設立を提案し、高度な技術の感知的な使用により、これらの残骸が生態学的かつ文化的な資源として保護されるべきだと主張しています。

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難破船の生態学:微生物から巨大動物まで、その機能とプロセスを理解する Shipwreck ecology: Understanding the function and processes from microbes to megafauna

Avery B Paxton, Christopher McGonigle, Melanie Damour, Georgia Holly, Alicia Caporaso, Peter B Campbell, Kirstin S Meyer-Kaiser, Leila J Hamdan, Calvin H Mires, J Christopher Taylor
BioScience  Published:19 December 202
DOI:https://doi.org/10.1093/biosci/biad084

An estimated three million shipwrecks exist worldwide. Examples of potential shipwreck distributions by geographic region include (a) the United States (AWOIS 2016), (b) Oceania (Australian government 2021), (c) Mediterranean Sea up to CE 1500 (Strauss 2013), and (d) Ireland (Government of Ireland 2021). These regions are examples of shipwreck distributions from publicly available data sets in well-studied regions.

Abstract

An estimated three million shipwrecks exist worldwide and are recognized as cultural resources and foci of archaeological investigations. Shipwrecks also support ecological resources by providing underwater habitats that can be colonized by diverse organisms ranging from microbes to megafauna. In the present article, we review the emerging ecological subdiscipline of shipwreck ecology, which aims to understand ecological functions and processes that occur on shipwrecks. We synthesize how shipwrecks create habitat for biota across multiple trophic levels and then describe how fundamental ecological functions and processes, including succession, zonation, connectivity, energy flow, disturbance, and habitat degradation, manifest on shipwrecks. We highlight future directions in shipwreck ecology that are ripe for exploration, placing a particular emphasis on how shipwrecks may serve as experimental networks to address long-standing ecological questions.

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生物環境工学
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