Ecology and Paleoecology of Atlantic and Caribbean Coral Reefs

A special issue of Diversity (ISSN 1424-2818). This special issue belongs to the section "Marine Diversity".

Deadline for manuscript submissions: 1 December 2024 | Viewed by 548

Special Issue Editor


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Guest Editor
College of Marine Science, University of South Florida, St Petersburg, FL 33701, USA
Interests: coral reefs; bioindicators; ocean acidification; nutrition in coastal zones; foraminifera; marine ecosystems; ocean environment

Special Issue Information

Dear Colleagues,

Atlantic and Caribbean coral reefs have a fascinating past, a rapidly changing present, and an uncertain future. Extending from the Abrolhos Bank off the eastern region of Brazil, north to Bermuda, coral reefs are found in suitable habitats across 50° of subtropical and tropical latitudes. Originally part of the circumtropical expanse of warm, carbonate provinces, connections to the Indo-Pacific via the Tethyan Seaway were closed in the Miocene. Later, connections to the Eastern Pacific were lost with the closure of the Panama Seaway in the Plio-Pleistocene. Isolation and environmental stresses have resulted in a much diminished diversity of many reef taxa, compared with the western Pacific, though some taxa have diversified in their more isolated regions. This Special Issue provides a platform to explore the unique characteristics of Atlantic Province reefs, including reef-building taxa, the diverse and fascinating invertebrate biota, and inter-relationships between reef habitats and taxa that feed the human inhabitants throughout the region. Whether exploring genetic, ecological or environmental research on modern taxa, or modeled future, current distributions, or evolution or extinctions of fossil predecessors, the goal is to compile a set of research papers that celebrates the unique characteristics of coral reefs of the Atlantic realm.

Prof. Dr. Pamela Hallock
Guest Editor

Manuscript Submission Information

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Keywords

  • biodiversity
  • biogeography
  • coral-reef ecosystem
  • reef-species distributions
  • reef community structure
  • resilient species
  • endemic species
  • vulnerable species
  • climate change
  • Neogene reefs
  • Miocene reefs
  • Pliocene reefs
  • Pleistocene reefs
  • climate change to reef ecosystem services

Published Papers (1 paper)

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Research

21 pages, 4452 KiB  
Article
Diversity of Cryptofaunal Nematode Assemblages along the Jardines de La Reina Coral Reef, Southern Cuba
by Diana Marzo-Pérez, Jose Andrés Pérez-García, Amy Apprill and Maickel Armenteros
Diversity 2024, 16(5), 264; https://doi.org/10.3390/d16050264 - 29 Apr 2024
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Abstract
Cryptofaunal nematodes, those living on the hard substrate of the coral reefs, are largely unknown in terms of diversity and assemblage structure. We described nematode assemblages at seven sites spanning about 200 km along Jardines de La Reina, a well-preserved reef system in [...] Read more.
Cryptofaunal nematodes, those living on the hard substrate of the coral reefs, are largely unknown in terms of diversity and assemblage structure. We described nematode assemblages at seven sites spanning about 200 km along Jardines de La Reina, a well-preserved reef system in the Greater Antilles. We identified about 3000 nematodes, mostly of the families Desmodoridae and Chromadoridae; the most abundant species were Croconema cinctum, Desmodora communis, and Euchromadora vulgaris. The regional richness was moderate with 70 observed species (0.95 confidence interval: 65–75 species) and 75 extrapolated species (0.95 CI: 68–83 species). This richness was lower than in other reef biotopes, maybe reflecting evolutionary constraints due to interactions with stony corals. The local expected richness at 100 individuals was similar among sites, with a median of 26 species (0.95 CI: 20–34 species), and likely caused by diversification rate and evolutionary time acting at the same pace on populations. The taxonomic β-diversity was high and without differences among sites (median: 0.85; 0.95 CI: 0.33–1), probably due to significant substrate heterogeneity at 10-cm scale. The prevalence of replacement over richness difference suggests that local processes (e.g., environmental filtering and competition) contribute more to β-diversity than niche availability, which would be largely similar across the reef terraces. Contrary to our expectations, no gradient of assemblage structure occurred, nor significant effect of benthic cover on nematodes. However, nematode functional structure showed a conservative set of biological traits reflecting adaptations to hydrodynamic regime: armed oral cavity/intermediate colonizing capability/ornamented cuticles/conical tail. Our results provide insights about the taxonomic and functional diversity of nematodes and highlight the vast knowledge gaps about the processes ruling the meiofauna community structure in coral reefs. Full article
(This article belongs to the Special Issue Ecology and Paleoecology of Atlantic and Caribbean Coral Reefs)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Taxonomic and functional diversity, assemblage structure, and biological trait analysis of cryptofaunal nematode assemblages along the coral reef system Jardines de La Reina, Caribbean Sea
Author: Armenteros
Highlights: First study describing cryptofaunal nematode assemblages on hard reef substrates Assemblages exhibit moderate γ-diversity, α-diversity similar along reef, while β-diversity varied related to small-scale substrate heterogeneity Assemblage structure was indistinct along the reef and driven by substrate heterogeneity and turbulent flows Functional structure showed a set of traits reflecting adaptation of nematodes to hydrodynamic regime

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