ArticleScience advances2016
An extensive reef system at the Amazon River mouth.
Article in Science advances, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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Who cites it
41 citing papers in PubMed.
- Biodiversity hotspots and threatened species under human influence in the Amazon continental shelf.Scientific reports · 2025Article
- Positive species interactions structure rhodolith bed communities at a global scale.Biological reviews of the Cambridge Philosophical Society · 2025Review
- Influence of the Great Amazon Reef System and Pleistocene sea-level drops on the phylogeography ofPeerJ · 2025Article
- Bacterial and Symbiodiniaceae communities' variation in corals with distinct traits and geographical distribution.Scientific reports · 2024Article
- Exploring depth-related patterns of sponge diversity and abundance in marginal reefs.Ecology and evolution · 2024Article
- Caribbean red snapper fishing performance indicators in Brazilian amazon shelf: Is it the beginning of the end of a fishing system?PloS one · 2024Article
- Dominance of photo over chromatic acclimation strategies by habitat-forming mesophotic red algae.Proceedings. Biological sciences · 2023Article
- Genetic diversity patterns of lionfish in the Southwestern Atlantic Ocean reveal a rapidly expanding stepping-stone bioinvasion process.Scientific reports · 2023Article
- An Overview of Rhodoliths: Ecological Importance and Conservation Emergency.Life (Basel, Switzerland) · 2023Review
- Article
- Incised valleys drive distinctive oceanographic processes and biological assemblages within rhodolith beds.PloS one · 2023Article
- Genome-resolved metagenomic analysis of Great Amazon Reef System sponge-associated Latescibacterota bacteria and their potential contributions to the host sponge and reef.Frontiers in microbiomes · 2023Article
- Amazon River plume habitats shape planktonic cnidarian assemblages in the Western Atlantic.PloS one · 2023Article
- Interconnected marine habitats form a single continental-scale reef system in South America.Scientific reports · 2022Article
- Global assessment of coralline algae mineralogy points to high vulnerability of Southwestern Atlantic reefs and rhodolith beds to ocean acidification.Scientific reports · 2022Article
- Western boundary currents drive sun-coral (Tubastraea spp.) coastal invasion from oil platforms.Scientific reports · 2022Article
- Larval dispersal of Brachyura in one of the largest estuarine/marine systems in the world.PloS one · 2022Article
- Article
- Review
- Tropical rhodolith beds are a major and belittled reef fish habitat.Scientific reports · 2021Article
Corrections and comments
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Authors and funding
39 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Large rivers create major gaps in reef distribution along tropical shelves. The Amazon River represents 20% of the global riverine discharge to the ocean, generating up to a 1.3 × 10(6)-km(2) plume, and extensive muddy bottoms in the equatorial margin of South America. As a result, a wide area of the tropical North Atlantic is heavily affected in terms of salinity, pH, light penetration, and sedimentation. Such unfavorable conditions were thought to imprint a major gap in Western Atlantic reefs. We present an extensive carbonate system off the Amazon mouth, underneath the river plume. Significant carbonate sedimentation occurred during lowstand sea level, and still occurs in the outer shelf, resulting in complex hard-bottom topography. A permanent near-bottom wedge of ocean water, together with the seasonal nature of the plume's eastward retroflection, conditions the existence of this extensive (~9500 km(2)) hard-bottom mosaic. The Amazon reefs transition from accretive to erosional structures and encompass extensive rhodolith beds. Carbonate structures function as a connectivity corridor for wide depth-ranging reef-associated species, being heavily colonized by large sponges and other structure-forming filter feeders that dwell under low light and high levels of particulates. The oxycline between the plume and subplume is associated with chemoautotrophic and anaerobic microbial metabolisms. The system described here provides several insights about the responses of tropical reefs to suboptimal and marginal reef-building conditions, which are accelerating worldwide due to global changes.
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