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Coral Reefs - Europe PMC

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Last Updated: 18 January 2023

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Benthic composition changes on coral reefs at global scales.

However, the current source and course of global coral reef benthic communities is unclear. The raw data show that reduced average hard coral cover from 36 u00b1 1. 4% to 19 u00b1 0. 4% was largely related to increased low-lying algal cover, such as algal turfs and crustose coralline algae, at a global scale. Anthropocene coral reefs can be managed with an enhanced knowledge of reef change, exemplified by reduced hard coral cover and increased coverage of low-lying algal communities.

Source link: https://europepmc.org/article/MED/36631667


Rapid resource depletion on coral reefs disrupts competitor recognition processes among butterflyfish species.

However, we have no idea how they are affected by resource depletion and potential impacts on species coexistence, so we have no idea how they are affected by depletion and potential effects on species coexistence. We show how rapid resource depletion could interfere with recognition mechanisms in butterflyfishes by using a mass coral bleachation event as a natural experiment and 3770 field observations of butterflyfish encounters. Following dietary shifts, our results show that competitor recognition of heterospecifics became less accurate after mass coral mortality, which we hypothesize is due to resource overlaps.

Source link: https://europepmc.org/article/MED/36598015


Shifts in predator behaviour following climate induced disturbance on coral reefs.

Coral reefs are increasingly destabilized around the world due to climate change. Behavioural plasticity in corallivore behavior and short-term trophic ecology in response to bleaching events may influence the degree and severity of coral bleaching and subsequent recovery potentials, although our knowledge of these interactions in situ remains unclear. During a severe high thermal event in Belize, we investigated interactions between corallivory and coral bleaching. Parrotfish modified their grazing behaviour in reaction to bleaching by selectively avoiding bleached Orbicella spp. We hypothesize that this short-term relief from coral reefs will temporarily support coral energy expenditures while not redirecting energetic resources to wound healing, which may lead to compensatory nutrient acquisition. Coral corals can not be successfully restored corals after long bleaching, even though a short-term recovery from corallivory during bleaching may not be enough to effectively rescue corals during prolonged bleaching.

Source link: https://europepmc.org/article/MED/36541169


Alexander Dalrymple, the Utility of Coral Reefs, and Charles Darwin's Structure and Distribution of Coral Reefs.

This paper seeks to establish a link between the theoretical and practical objectives of the British Admiralty and Charles Darwin's coral reef research from 1835 to 1842. The wind and waves-and-thought suggested that one could use these characteristics to forecast seafaring conditions around the islands, and I show that Dalrymple introduced a comprehensive account of coral reefs in which many aspects of the coral reefs, such as their size, slope of the sides, ridges, channels, and elevation relative to the sea were all explained by the action of the winds and waves. In reality, this was also his first formal encounter with something quite opposite to what Darwin's theory of coral reefs, long a model of Darwin's uniform predictable inferences.

Source link: https://europepmc.org/article/MED/36539648


Socio-ecological resilience of marginal coral reefs in Java Sea Indonesia

Two main reasons: environmental and human activities affected the marginal coral reefs in the Java Sea, Indonesia's Java Sea. The aim of the study is to investigate the socio-ecological stability of marginal coral reefs in the Java Sea. The bioecology Coral reef resilience index was in the medium category, according to the study. The coral fish's tenacity index was in the wrong class. The socioeconomic stability index is balanced, while the socioeconomic growth index has a high resilience score. The coral reef ecosystem's socio-ecological resilience index is 2. 45, which means the poor category is in the poor category.

Source link: https://europepmc.org/article/PPR/PPR586338

* 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