Holothurian communities of Reunion Island’s reef complex within the Natural Marine Reserve

Abstract

One of the long-term objectives of the management plan for Reunion Island’s Natural Marine Reserve is to monitor holothurians, a taxon that plays a major role on the reefs. This study gave the first large-scale mapping (km scale) of the distribution of holothurian communities on the reef flats of La Saline/L’Hermitage. Surveys used the fixed-point method in seven habitats. Of the 14 species of sea cucumbers surveyed, three were the most abundant: Holothuria leucospilota, Holothuria atra and Stichopus chloronotus. Synapta maculata almost disappeared. In terms of habitat, 87% of holothurian individuals were found in the back reef zone in areas of high eutrophication, with a maximum recorded at the Planch’Alizés site (1015 ind./100 m²). Rare specimens were concentrated on the outer reef flat, inner reef flat, and inner reef flat, detritic zones.

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BibTeX RIS

BibTeX

@article{corbel2026holothurian,
  title = {{Holothurian communities of Reunion Island’s reef complex within the Natural Marine Reserve}},
  author = {Sylvain Corbel and Patrick Frouin and Chantal Conand and Léo Broudic and Mathieu Pinault and Tévamie Rungassamy},
  journal = {SPC Beche-de-mer Information Bulletin},
  year = {2026},
  month = sep,
  url = {https://hal.science/hal-05759735v1},
  note = {CC BY 4.0},
}

RIS

TY  - JOUR
TI  - Holothurian communities of Reunion Island’s reef complex within the Natural Marine Reserve
AU  - Sylvain Corbel
AU  - Patrick Frouin
AU  - Chantal Conand
AU  - Léo Broudic
AU  - Mathieu Pinault
AU  - Tévamie Rungassamy
PY  - 2026
DA  - 2026/09/23
JO  - SPC Beche-de-mer Information Bulletin
UR  - https://hal.science/hal-05759735v1
AB  - One of the long-term objectives of the management plan for Reunion Island’s Natural Marine Reserve is to monitor holothurians, a taxon that plays a major role on the reefs. This study gave the first large-scale mapping (km scale) of the distribution of holothurian communities on the reef flats of La Saline/L’Hermitage. Surveys used the fixed-point method in seven habitats. Of the 14 species of sea cucumbers surveyed, three were the most abundant: Holothuria leucospilota, Holothuria atra and Stichopus chloronotus. Synapta maculata almost disappeared. In terms of habitat, 87% of holothurian individuals were found in the back reef zone in areas of high eutrophication, with a maximum recorded at the Planch’Alizés site (1015 ind./100 m²). Rare specimens were concentrated on the outer reef flat, inner reef flat, and inner reef flat, detritic zones.
SN  - 1025-4943
ER  -

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