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"Today, warm-water coral reefs are limited to tropical-to-subtropical latitudes. " Here, we explore the role of climate and palaeogeography in determining coral reef distribution over geological timescales. To do so, we integrate habitat suitability analysis, Earth System simulation, and the 247-year geological record of scleractinian coral reefs. During a 'cold-snap' period, the first Cretaceous' period might have been an exception, with decreased shallow marine substrate during a 'cold-snap' period. Although our findings show that global warming could allow long-term poleward range expansions, coral reef ecosystems are unlikely to keep up with the rapid rate of anthropogenic climate change. ".
Source link: https://doi.org/10.1038/s41467-022-30793-8
"Coral reef decline has accelerated in the last two decades, resulting in substantial research into the phenomenon of 'phase shifts' or'regime shifts. " We found significant variation in the methodologies used for investigating phase shifts in doing so. Notably, very few studies have specifically stated what they meant by phase shifts. We therefore produced a simplified definition of phase shifts, which specifically referred to recurrence and domination. "The applicability of this term was tested on multi-decadal benthic composition records on the Great Barrier Reef," the author says.
Source link: https://doi.org/10.1016/j.marenvres.2022.105667
"The Arrecife de Puerto Morelos National Park, a marine protected area established as an essential component of managing and protecting coral reefs, is noticeably within the Mexican Caribbean. " We carried out a survey in eight shallow reef sites of the APMNP in June 2019 with the intention of applying a coral reef assessment technique based on biological findings of both benthos and fish communities.
Source link: https://doi.org/10.1016/j.dib.2022.108253
"We find that restricting motorboat activity on reefs leads to the survival of more fish offspring than reefs that are primarily served by busy motorboat traffic," we show. Our findings show that noise mitigation may have benefits that extend beyond the population level by raising adult reproductive reproduction and offspring growth, thus shielding coral reefs from human impacts and providing a vital avenue for improving ecosystem resilience. ".
Source link: https://doi.org/10.1038/s41467-022-30332-5
"The symbiotic association of corals and photosynthetic algae is the source of coral reef ecosystems. " The effects of three key tropic reef ecosystems, Grand Barrier Reef, South East Asia, and the Caribbean, are shown here by a trait-based, acclimation dynamics model, which we use in conjunction with observational results, to produce a first, rough estimate of coral growth at the community level and to investigate the effects of various global warming scenarios on three iconic reef ecosystems of the tropics. Coral acclimation may have some degree of security by preventing the decline of some corals, including the Great Barrier Reef, from occurring. Coral abundances in all three regions have decreased significantly, ranging from 12% to 55%, depending on the region and the climate change scenario considered, based on our estimates of coral acclimation capacities.
Source link: https://doi.org/10.1371/journal.pcbi.1010099
"The rapid decline of vulnerable coral reefs has made it more desirable for reef restoration to investigate interdisciplinary approaches. " As many of the problems facing reef restoration today concern scalability and effectiveness, there's a sense of urgency to invest in technologies that can help reach ecosystems. We give you an overview of the evolution of artificial reefs in the current state as a reef restoration tool and a roadmap with which to guide the next generation of biomimetic artificial habitats for ecosystem support. Currently, existing artificial structures have a difficult time replicating the 3D complexity of coral habitats, and expanding them to larger areas can be costly in terms of both manufacture and design. The benefits of 3D printing include the ability to convert the essential characteristics of natural reefs, such as rugosity and complexity, into a reusable manufacturing process.
Source link: https://doi.org/10.1016/j.scitotenv.2022.154749
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