Vulnerable Marine Ecosystem detected via ROV at Cuverville Island, Western Antarctic Peninsula (Subarea 48.1)

Sampling event Observation
最新版本 published by SCAR - AntOBIS on 6月 20, 2025 SCAR - AntOBIS
發布日期:
2025年6月20日
Published by:
SCAR - AntOBIS
授權條款:
CC-BY 4.0

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說明

Imagery to support a proposed VME based on high abundances of VME indicator taxa that fall within the range of previously registered VMEs. Video imagery was taken via ROV deployed by the dive team of M/Y Legend. Data on the relative percent cover of all VME indicator taxa was sourced and analyzed in the same manner as VMEs added to CCAMLR’s registry in 2018 (SC-CCAMLR-XXXVII), 2022 (SC-CCAMLR-41) and 2024 (SC-CCAMLR-43) using all data from WG-EMM-18/35, WG-EMM-22/34Rev1, WG-EMM-22/46Rev1, and WG-EMM-24/48Rev1 for a direct comparison. The present site clusters with previously registered VMEs.

This dataset is published as open data with technical support provided by SCAR Antarctic Biodiversity Portal (biodiversity.aq) (BELSPO project RT/23/ADVANCE). Please follow the guidelines from the SCAR Data Policy (SCAR, 2023) when using the data. Please contact us via the contact information provided in the metadata or via data-biodiversity-aq@naturalsciences.be for any inquiry about this dataset. Issues with the dataset can be reported at https://github.com/biodiversity-aq/data-publication/.

資料紀錄

此資源sampling event的資料已發佈為達爾文核心集檔案（DwC-A），其以一或多組資料表構成分享生物多樣性資料的標準格式。 核心資料表包含 20 筆紀錄。

亦存在 3 筆延伸集的資料表。延伸集中的紀錄補充核心集中紀錄的額外資訊。 每個延伸集資料表中資料筆數顯示如下。

Event (核心)
20
ExtendedMeasurementOrFact 
92
Occurrence 
29
Multimedia 
24

此 IPT 存放資料以提供資料儲存庫服務。資料與資源的詮釋資料可由「下載」單元下載。「版本」表格列出此資源的其它公開版本，以便利追蹤其隨時間的變更。

版本

以下的表格只顯示可公開存取資源的已發布版本。

如何引用

研究者應依照以下指示引用此資源。:

Lockhart S, Plasman C (2025). Vulnerable Marine Ecosystem detected via ROV at Cuverville Island, Western Antarctic Peninsula (Subarea 48.1). Version 2.0. SCAR - AntOBIS. Samplingevent dataset. https://doi.org/10.48361/mpljcr

權利

研究者應尊重以下權利聲明。:

此資料的發布者及權利單位為 SCAR - AntOBIS。 This work is licensed under a Creative Commons Attribution (CC-BY 4.0) License.

GBIF 註冊

此資源已向GBIF註冊，並指定以下之GBIF UUID: 4832c401-3747-4e0d-a1dd-95b1f73943e8。  SCAR - AntOBIS 發佈此資源，並經由Ocean Biodiversity Information System同意向GBIF註冊成為資料發佈者。

關鍵字

VULNERABLE MARINE ECOSYSTEM; VME; CCAMLR; ANTARCTICA; SPONGES; HYDROIDS; INDICATOR TAXA; KELP; BLUE CARBON; Samplingevent; Observation

聯絡資訊

Susanne Lockhart
  • 元數據提供者 ●
  • 出處 ●
  • 連絡人
Southern Benthics
US
Charlie Plasman
  • 元數據提供者 ●
  • 連絡人
Institute of Natural Sciences
Brussels
BE

地理涵蓋範圍

This dataset represents observations collected via ROV dives in the Southern Ocean, off the east coast of Cuverville Island (Errera Channel, Gerlache Strait, Western Antarctic Peninsula). Geographic coverage was inferred from the sample locations (62°36'51.5"W, 64°41'24.6"S). The region includes benthic habitats potentially corresponding to Vulnerable Marine Ecosystems (VMEs) under CCAMLR criteria.

界定座標範圍 緯度南界 經度西界 [-64.69, -62.614], 緯度北界 經度東界 [-64.69, -62.614]

分類群涵蓋範圍

無相關描述

Kingdom Chromista, Animalia
Phylum Mollusca, Arthropoda, Porifera, Annelida, Brachiopoda, Chordata, Hemichordata, Foraminifera, Cnidaria, Bryozoa, Echinodermata
Class Demospongiae, Hydrozoa, Pterobranchia, Thecostraca, Xenophyophorea, Polychaeta, Hexacorallia, Bivalvia, Ascidiacea, Octocorallia, Echinoidea, Hexactinellida, Ophiuroidea, Crinoidea
Order Scleractinia, Pectinida, Zoantharia, Hydroida, Balanomorpha, Malacalcyonacea, Scleralcyonacea, Cidaroida, Euryalida, Anthoathecata, Sabellida, Antipatharia, Pennatulacea
Family Stylasteridae, Primnoidae, Coralliidae, Serpulidae, Isididae, Candelabridae, Bathylasmatidae, Paragorgiidae, Acanthogorgiidae, Actinacididae, Pectinidae, Chrysogorgiidae

時間涵蓋範圍

起始日期 2025-01-23

計畫資料

A novel collaboration between commercial submersible pilots, and their organizations, with Southern Benthics to provide footage of the seabed around Antarctica for the purposes of securing protection for VMEs, and for monitoring the health of those VMEs in the long term in the face of the climate crisis.

計畫名稱 Southern Ocean Citizen Submersible Initiative (SOCSI)
經費來源 ASOC; The Wishful Squid Foundation

參與計畫的人員:

Susanne Lockhart
  • 研究主持人

取樣方法

Sampling was conducted by a Deep Trekker ROV with inbuilt 4K camera.

研究範圍 Sampling was conducted opportunistically during a single event on 23 January 2025, off the east coast of Cuverville Island in the Southern Ocean (Errera Channel, Gerlache Strait, Western Antarctic Peninsula).
品質控管 All records were validated. Coordinates were converted into decimal latitude and decimal longitude and plotted on map to verify the actual geographical location corresponds to its locality. All scientific names were checked for typo and matched to the species information backbone of Worlds Register of Marine Species (http://marinespecies.org/) and LSID were assigned to each taxa as scientificNameID. Event date and time were converted into ISO 8601 and verified with the data providers.

方法步驟描述:

  1. DaVinci Resolve 18.6 was used to combine separate files where necessary and for editing.
  2. Clean-up followed the same methodology as was used for analyzing the submersible footage for the successful nomination of VMEs in WG-EMM-22/46Rev1 to remove unusable sequences. For the Cuverville Is footage that meant the removal of any sequences where the ROV was too far from the wall, where the visibility was poor, too much water column filled the frame, when the ROV remained focused on one area and where the ROV was moving too fast to produce a clear frame for analysis. This is the footage deposited in Zenodo.
  3. Since kelp obscured the view of the benthos, further edits of footage were made where seaweed obscured more than 40% of the frame. Resultant length of footage for analysis was 14m49s.
  4. Footage was color graded within DaVinci Resolve 18.6.
  5. The analysis methodology also followed that which was used in WG-EMM-22/46Rev1. To compare the relative percent abundance of VME indicator taxa to that of non-VME taxa and bare substrate at the Cuverville Is site, frames were exported at regular intervals (40 secs) beginning at 0:00.
  6. The resulting series of images were then imported into the program PAPARA(ZZ)I (Marcon & Purser, 2017). Within this program images were further enhanced by adjusting brightness, contrast and gamma. As recommended by the authors, the usable area was then defined for each image allowing the exclusion of dark or blurred edges.
  7. Once images were prepared in this way, an array of 100 random points was overlayed. Each point in each image was assigned one of four designations: VME indicator taxa, non-VME taxa, seaweed or bare substrate.
  8. Analysis of individual frames (which can appear low quality) is always accompanied by careful observation of the original full length footage which shows a greater resolution of view, approach to analysis frame, often provides different angles and views that were edited out to reduce bias and can include macro closeup imagery that all help to ground truth the scoring of random points in any individual frame analysed.

引用文獻

  1. Lockhart, S. and Hocevar J. (2021) Combined Abundance of all Vulnerable Marine Ecosystem Indicator Taxa inadequate as sole determiner of vulnerability, Antarctic Peninsula. Frontiers in Marine Science. Sept 2021, Vol 8, Article 577761. https://doi.org/10.3389/fmars.2021.577761. https://doi.org/10.3389/fmars.2021.577761
  2. Marcon, Y. and Purser A. (2017) PAPARA(ZZ)I: An open-source software interface for annotating photographs of the deep-sea. SoftwareX. 6, 69-80.
  3. SC-CAMLR-XXXVII (2018) Thirty-seventh Meeting of the Scientific Committee. CCAMLR. Hobart, Australia.
  4. SC-CAMLR-41 (2022) Forty-first meeting of the Scientific Committee. CCAMLR. Hobart, Australia.
  5. SC-CAMLR-43 (2024) Forty-third meeting of the Scientific Committee. CCAMLR. Hobart, Australia.
  6. Tait, L.W., C. Chin, W. Nelson, S. George, P. Marriott, R.L. O’Driscoll, M. Lamare, V.S. Mills and V.J. Cummings (2024) Deep-living and diverse Antarctic seaweeds as potentially important contributors to global carbon fixation. Communications Earth & Science. 5:205. https://doi.org/10.1038/s43247-024-01362-2
  7. WG-EMM-18/35. Lockhart, S. & J. Hocevar (2018) Evidence of Vulnerable Marine Ecosystems documented via submarine in the Antarctic Sound and Gerlache Strait (Subarea 48.1). CCAMLR. Hobart, Australia.
  8. WG-EMM-22/34Rev1. Lockhart, S. & R. Izendooren (2022) Evidence of a Vulnerable Marine Ecosystem documented via tourist submarine off Cape Well-Met, Vega Island, Eastern Antarctic Peninsula (Subarea 48.1). CCAMLR. Hobart, Australia.
  9. WG-EMM-22/46Rev1. Lockhart, S., R. Downey, R. García-Roa, J. Hocevar & L. Weller (2022) Vulnerable Marine Ecosystems documented via submarine in the Bransfield Strait and the Eastern Antarctic Peninsula (Subarea 48.1). CCAMLR. Hobart, Australia.
  10. WG-EMM-24/48Rev1. Lockhart, S., S. Potter, C. Venus, K. Weller, R.C. Izendooren (2024) Submersible gathered evidence of a Vulnerable Marine Ecosystem at the Melchior Islands, Western Antarctic Peninsula (Subarea 48.1). CCAMLR. Hobart, Australia.
  11. 11. The Scientific Committee on Antarctic Research. (2023). SCAR Report 42 - September 2022 - SCAR Data Policy (2022). Zenodo. https://doi.org/10.5281/zenodo.7825314. https://doi.org/10.5281/zenodo.7825314

額外的詮釋資料