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Coral Reefs - DOAJ

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Last Updated: 18 June 2022

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The distribution of benthic foraminifera in coral reefs ecosystem of East Penjaliran Island, Seribu Islands, Indonesia

"u00ad"u00adThe spreading of benthic foraminifera in the coral reefs ecosystem of East Penjaliran Island, Seribu Islands, Indonesia, by benthic foraminifera. East Penjaliran Island is located in Seribu Islands Marine National Park's heart zone and is included in the protected green zone. Certain foraminiferas have the same ecological need to live with coral reefs as well. The estimation of Foraminifera in Reef Assessment and Monitoring Index is therefore extremely important in helping to determine the environmental conditions for coral reef growth by determining the Foraminifera. It shows that East Penjaliran Island has been designated as an environmental change for coral reefs' growth. According to the Shannon diversity index and FI with their particular characteristics, benthic foraminifera assemblages can be divided into three major groups based on the Shannon diversity index and FI's specific characteristics.

Source link: https://doi.org/10.13057/biodiv/d230634


Coral Reef Coupling to the Atmospheric Boundary Layer Through Exchanges of Heat, Moisture, and Momentum: Case Studies From Tropical and Desert Fringing Coral Reefs

"Here we present the first findings of coral reef u2013 atmospheric interactions in the Gulf of Eilat, Australia, and a desert fringing coral reef off the coast of Eilat, Israel," says Hawke. We show that a stable atmospheric boundary prevents coupling of the reef to the atmosphere in the Gulf of Eilat, where air temperatures are higher than water temperatures. We conclude that knowing these processes is vital for determining coral reefs' role in coastal meteorology, and that coupling with the overlying atmosphere coral reefs can influence meteorology by encouraging cloud and/or vertical exchange of aerosols and precursor gases such as Dimethyl sulphide.

Source link: https://doi.org/10.3389/fmars.2022.900679


New records of marine fishes from the coral reefs and deep waters of Gulf of Mannar, India

"The coral reefs and deep water ecosystems of Gulf of Mannar support a variety of species of marine fishes that are vulnerable to indiscriminate mechanized fishing. In the Gulf of Mannar, 23 hauls on-board commercial single-day trawls operating at 15–100 m depths, as well as mid-water trawls at 150–153 m depths were found. According to a new survey of rare fishes, one elasmobranch, Hypogaleus hyugaensis, was discovered. Hypogaleus hyugaensis, U. micropterus, D. bellus, P. cyanostigma, N. thynnoides, P. nasicornis, and L. suezensis are among the first measurements in Indian waters to have been found. Further, G. elongatus, P. similis, and N. annulatus are among the first records off the Indian mainland's shore, as well as S. japonicum and L. cyanopleura, which are the first records off the East coast of India. "Among them, D. bellus, S. clementheri, and P. cyanostigma are among the first records outside of their known zoogeographical ranges. ".

Source link: https://doi.org/10.3750/AIEP/02108


Artificial coral reefs as a localised approach to increase fish biodiversity and abundance along the North Bali coastline

"The wellbeing of coral reefs in Indonesia and its associated faunal populations has declined in recent decades, and community-managed non-government groups have begun using artificial reefs to rebuild local degraded reef habitats. " Fish assemblages on two artificial reefs of various ages were examined in north Bali over a three-month period, comparing two nearby natural habitats: degraded sand flats and coral reefs. Both artificial reefs had a significant number of species in comparison to a nearby coral reef, although not significantly different from a nearby coral reef, in terms of a mature artificial reef's not statistically different from a nearby coral reef. This is one of few studies that illustrate the promise of artificial reef habitat enhancement in Indonesia, and it claims that these structures can provide ecologically equivalent mobile faunal populations to a localised reef.

Source link: https://doi.org/10.3934/geosci.2022018


Modelling the acclimation capacity of coral reefs to a warming ocean.

"The symbiotic relationship between corals and photosynthetic algae is the determining factor of coral reef ecosystems. " While acclimation at the organismal level is a crucial mechanism for corals to cope with global warming, community-based shifts in response to acclimatization capacities may provide valuable information about corals' future at a regional level. We present a first, crude estimate of coral acclimation at the community level and investigate the impacts of different global warming scenarios on three famous tropic reef ecosystems: Great Barrier Reef, South East Asia, and the Caribbean. Coral acclimation capacities were found in all three regions, ranging from 12% to 55%, depending on the area and the climate change scenario. The model findings, based on our estimates of coral acclimation capacities, suggest significant declines in coral abundances in all three regions, ranging from 12% to 55%, depending on the region and the climate change scenario considered.

Source link: https://doi.org/10.1371/journal.pcbi.1010099


“High Tide or Low Tide”: Desis bobmarleyi sp. n., a new spider from coral reefs in Australia’s Sunshine State and its relative from Sāmoa (Araneae, Desidae, Desis)

"Spiders of the genus Desis Walckenaer, 1837" are water-adapted spiders that live in the intertidal zone on reefs, marine rubble, and under rocks. This species was described some 150 years ago by the Godeffroy Collection, which holds the oldest major collection of Australasian and Pacific spiders, but it is now mainly located in Hamburg's Center of Natural History.

Source link: https://doi.org/10.3897/evolsyst.1.15735


Representative benthic habitat mapping on Lovina coral reefs in Northern Bali, Indonesia

"Satellite optical imagery datasets combined with in situ measurements are commonly used to determine the spatial distribution of various benthic faunas in coral reef ecosystems. This report was focused on the Lovina coral reef ecosystem in Northern Bali, Indonesia, in order to promote the installation of artificial reefs within the Indonesian Coral Reef Garden program. According to the report, total coverage of benthic habitat for Temukus, Tukad Mungga, and Baktiseraga waters is 66. 4 ha, 25. 17 ha, and 27. 88 ha for these three waters are estimated based on supervised classification methods using 10 million ha, 25. 17 ha, and 27. 88 ha. The coral reef cover for Temukus is 29. 48 ha for genus Acropora, Isopora, Porites, Montipora, Pocillopora, According to Montipora, Pocillopora, the coral reefs in Temukus is covered by genus Acropora, Isopora, Porites, Montipora, Pocillopora, Pocillopora The findings are expected to be useful in restoring coral reef ecosystems in Bali's northern area, especially in Buleleng District," according to the results.

Source link: https://doaj.org/article/3ff1ac8f63bf4794ab166eb78db6a26c


Helminth Community of the Black Margate Anisotremus surinamensis (Teleostei: Haemulidae), from Coral Reefs off the Veracruz Coast, Mexico, Southern Gulf of Mexico

"We describe the appearance and structure of the black margate Anisotremus surinamensis in coral reefs off the coast of Veracruz, along the Parque Nacional Sistema Arrecifal Veracruzano. " A. surinamensis sporiformis was found in a total of 78 specimens. Two new geographic records for Mexico's southern Gulf include the digeneans Cainocreadium oscitans and Intuiburictus longovatus. The PNSAV has a virginicus and other coral reef fishes. In the community of parasites of A, the trematode Monorchis latus was the more widespread, more abundant, and numerically dominant helminth species.

Source link: https://doi.org/10.3390/d14050368


Unprecedented Coral Mortality on Southwestern Atlantic Coral Reefs Following Major Thermal Stress

"Thermal stress is now considered the most significant contributor to coral reef depletion, as shown by several studies on Southwestern Atlantic reefs. " Following the worst thermal stress event since 1985, we bring you unprecedented coral mortality on the largest coastal Brazilian Marine Protected Area. Average live coral cover decreased by 18. 1%, but average turf algae cover increased by 19. 3%. Millepora harttii's death was the highest for three coral species, with a mean mortality of 50. 8 percent per transect for Millepora harttii, 32. 6% for Mussismilia harttii, and 16. 6% for Millepora alcicornis.

Source link: https://doi.org/10.3389/fmars.2022.725778

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions