Results 81 to 90 of about 8,878 (259)

Reproductive biology of the deep brooding coral Seriatopora hystrix: Implications for shallow reef recovery.

open access: yesPLoS ONE, 2017
Mesophotic coral ecosystems (MCEs, between 30 and 150 m depth) are hypothesized to contribute to the recovery of degraded shallow reefs through sexually produced larvae (referred to as Deep Reef Refuge Hypothesis).
Rian Prasetia   +3 more
doaj   +1 more source

Research progress and current status of dynamic wave propagation characteristics in rock mass: A review

open access: yesDeep Underground Science and Engineering, EarlyView.
This review elucidates the velocity–dispersion–attenuation coupling mechanisms of wave propagation in rock masses, compares six representative models, and reveals how pressure, temperature, mineral composition, and anisotropy jointly control dynamic responses in complex geological media.
Jiajun Shu   +8 more
wiley   +1 more source

Upper bound limit analysis of coral reef limestone cavern roof stability incorporating a tension‐shear failure mechanism with tensile‐strength cut‐off

open access: yesDeep Underground Science and Engineering, EarlyView.
For the roof of coral reef limestone caverns, a novel tension‐shear composite failure mechanism was developed. The most critical tensile crack model was identified using a hybrid optimization algorithm, and the stability of the cavern roof was analyzed accordingly.
Dongsheng Xu, Chenxu Li, Chuantan Hou
wiley   +1 more source

Thinking Deep: the scientific surveying of mesophotic reefs

open access: yes, 2015
During the summer of 2015, the University of Oxford Thinking Deep expedition surveyed the mesophotic reefs of Utila, Honduras. Mesophotic reefs occur between 30 and 150 meters and contain a mix of specialist and depth generalist fish and coral species.
East, Anna   +4 more
openaire   +1 more source

From underwater to drone: A novel multi-scale knowledge distillation approach for coral reef monitoring

open access: yesEcological Informatics
Drone-based remote sensing combined with AI-driven methodologies has shown great potential for accurate mapping and monitoring of coral reef ecosystems.
Matteo Contini   +6 more
doaj   +1 more source

Embryonic development of the Mediterranean starfish Hacelia attenuata

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Background Starfish play essential ecological roles as predators and ecosystem regulators; however, detailed developmental descriptions exist for only a handful of species, none of which are from the Mediterranean Sea. Results In this study, we provide the first full account of the development of the Mediterranean starfish Hacelia attenuata ...
Silvia Caballero‐Mancebo   +3 more
wiley   +1 more source

Water depth outweighs reef condition in shaping non-geniculate coralline algae-associated microbial communities in coral reefs: A case study from Thailand

open access: yesHeliyon
Red calcified non-geniculate coralline algae (NGCA) provide habitat structures, stabilize reef structures, and foster coral larval settlement and metamorphosis.
Kattika Pattarach   +3 more
doaj   +1 more source

Consumer diversity drives stronger predation in tropical marine communities

open access: yesEcography, EarlyView.
Biotic interactions are predicted to be stronger in the tropics compared to higher latitudes, contributing to observed patterns of global biodiversity. While increased consumer diversity and more complex food webs are expected in tropical communities, the trophic dynamics underlying strong regional effects of predation are not well understood.
Michele F. Repetto   +4 more
wiley   +1 more source

Adaptive divergence in a scleractinian coral: physiological adaptation of Seriatopora hystrix to shallow and deep reef habitats

open access: yesBMC Evolutionary Biology, 2011
Background Divergent natural selection across environmental gradients has been acknowledged as a major driver of population and species divergence, however its role in the diversification of scleractinian corals remains poorly understood.
van Oppen Madeleine JH   +5 more
doaj   +1 more source

Nested Institutions and Overlapping Mandates: A Policy Analysis of Mangrove Governance in Ghana, Tanzania Mainland, and Zanzibar

open access: yesEnvironmental Policy and Governance, EarlyView.
ABSTRACT Mangroves are critical resources in sustaining coastal communities by providing essential ecosystem goods and services. Occurring within the interface of land and sea, they serve as critical ecological zones shaped by dynamic interactions between terrestrial and marine systems.
Menelisi Falayi   +11 more
wiley   +1 more source

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