Diversity and assemblage structure of tropical marine flora on lava flows of different ages

Zubia, Mayalen; Clerck, Olivier De; Leliaert, Frédérik; Payri, Claude; Mattio, Lydiane; Vieira, Christophe; Cambert, Harold; Quod, Jean-Pascal; Loiseau, Nicolas; Golubić, Stjepko; Lin, Showe‐Mei; Liu, Shao‐Lun; Pinault, Mathieu

doi:10.1016/j.aquabot.2017.10.005

Cited by 8 publications

(3 citation statements)

References 54 publications

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“…Even if some “lava flow” species were recorded at contemporary sites (L-2007, L-2004, and L-1977) and not at the older centennial site (L-CA), no strictly pioneer species (e.g., present exclusively on the youngest lava flow) were recorded. These outcomes are in contrast with those obtained at the same location for Echinoderms, for which several pioneer species were exclusively recorded at the youngest lava flow 49 , and for algae, for which species composition was correlated to the age of the lava flows with a high occurrence of pioneer species on recent sites 46 . These differences among reef taxa could be linked to the long life cycle and slow growth dynamics of corals with respect to other organisms, suggesting that successional processes can be very slow for corals.…”

Section: Discussioncontrasting

confidence: 99%

“…These delimited submerged lava flows of different ages offer an ideal field to study the succession of reef communities. Surveys on submerged lava flows of the Piton de la Fournaise have been conducted between 2006 and 2013 by ARVAM (Agence pour la Recherche et la Valorisation Marines), notably during the BIOLAVE expeditions in 2011–2012 45 , 46 . The structure and diversity of fish 47 , 48 , echinoderm 49 , marine flora 46 , and ascidian, sponge and octocoral 45 communities were assessed on lava flows of different ages.…”

Section: Introductionmentioning

confidence: 99%

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Diversity, structure and demography of coral assemblages on underwater lava flows of different ages at Reunion Island and implications for ecological succession hypotheses

Jouval

Bigot

Bureau

et al. 2020

Sci Rep

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Understanding colonization of new habitats and ecological successions is key to ecosystem conservation. However, studies on primary successions are scarce for reef-building corals, due to the rarity of newly formed substratum and the long-term monitoring efforts required for their long life cycle and slow growth rate. We analysed data describing the diversity, structure and demography of coral assemblages on lava flows of different ages and coral reefs at Reunion Island, to evaluate the strength and mechanisms of succession, and its agreement to the theoretical models. No significant differences were observed between the two habitats for most structure and demographic descriptors. In contrast, species richness and composition differentiated coral reefs from lava flows, but were not related to the age of the lava flow. We observed a strong dominance of Pocillopora colonies, which underline the opportunistic nature of this taxa, with life-history traits advantageous to dominance on primary and secondary successional stages. Although some results argue in favor of the tolerance model of succession, the sequences of primary successions as theorized in other ecosystems were difficult to observe, which is likely due to the high frequency and intensity of disturbances at Reunion, that likely distort or set back the expected successional sequences.

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Section: Discussioncontrasting

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Diversity, structure and demography of coral assemblages on underwater lava flows of different ages at Reunion Island and implications for ecological succession hypotheses

Jouval

Bigot

Bureau

et al. 2020

Sci Rep

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“…In both the intertidal and subtidal communities of the lava flows, the transformations were more profound and involved shifts in specific composition (Supplementary Figure S1), aligning with typical seaweed succession on new substrates (Serisawa et al, 1998;Jung and Choi, 2022). Further, as observed in previous studies on lava flows (Doty, 1967;Jonsson, 1968;Zubia et al, 2018), initially, a community partially dominated by primary colonising species proliferated, but many of these taxa were gradually replaced by the dominant species in the climax communities. While the structure of the algal communities was similar to that of the other animal communities, eventually converging towards the communities in the control zone, following a similar trajectory, the greatest changes in the algal communities resulted in a delay in their evolution compared to the other communities.…”

Section: Community Structure Responsesupporting

confidence: 69%

Primary ecological succession of marine communities on the Tajogaite lava flows (La Palma, Canary Islands), fishes colonize faster than macroinvertebrates and algae

Sangil,

Álvarez-Canali,

Reyes

et al. 2024

Front. Mar. Sci.

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We studied the primary succession of benthic communities in the lava flows of the Tajogaite volcano at 2, 4.5, and 7 months after the eruption ended. The lava from the Tajogaite created several lava flows and sterile rocky reefs that were monitored in both intertidal and subtidal areas up to 20 m depth. Sampling included macroinvertebrates and algae in the intertidal, and fishes, macroinvertebrates, and algae in the subtidal. A control zone was selected to compare the early colonisation of lava flows with that of a mature ecosystem. Colonisation of the lava flow was swift, with numerous species arriving and proliferating soon after the eruption ended. After 7 months, the total number of species recorded in the lava flows was 70, representing 64% of those found in the control zone. thus, communities were gradually becoming increasingly complex owing to the continuous incorporation of species. The number of fishes, and macroinvertebrates in both the intertidal and subtidal, lava flows increased progressively, approaching the values of the control zone. However, algae, in terms of total cover, presented values similar to the control zone from the beginning of the monitoring. All the communities have followed the same trajectory to converge towards communities like those in the control zone, although the rate at which they have changed with time differs. After seven months, differences in fishes between lava flows and the control zone were small, but they were still large with respect to macroinvertebrates and algae. Thus, according to each community of organisms, the benthic ecosystem of the lava flows was found at different stages of succession.

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Understanding the Geological History of Volcanoes: An Essential Prerequisite to Their Monitoring

Bachèlery¹

2022

Hazards and Monitoring of Volcanic Activity 1

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Diversity and assemblage structure of tropical marine flora on lava flows of different ages

Cited by 8 publications

References 54 publications

Diversity, structure and demography of coral assemblages on underwater lava flows of different ages at Reunion Island and implications for ecological succession hypotheses

Diversity, structure and demography of coral assemblages on underwater lava flows of different ages at Reunion Island and implications for ecological succession hypotheses

Primary ecological succession of marine communities on the Tajogaite lava flows (La Palma, Canary Islands), fishes colonize faster than macroinvertebrates and algae

Understanding the Geological History of Volcanoes: An Essential Prerequisite to Their Monitoring

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