Coral Reef Ecosystem
Coral Reef Ecosystem - Related Videos
01:17
What is an Ecosystem?
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2019
Overview An ecosystem is the interaction between all abiotic and biotic factors in an environment and can be classified as terrestrial or aquatic. Terrestrial ecosystems are categorized based on the climate, including annual temperature, rainfall, and seasonality. Aquatic ecosystems are separated further into freshwater and marine, and then by depth, which influences water temperature and the amount of sunlight that penetrates the water. Terrestrial Ecosystems Terrestrial ecosystems are...
07:59
Coral Reef Arks: An In Situ Mesocosm and Toolkit for Assembling Reef Communities
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Cited by 11 •
2023
Moored midwater geodesic structures called Coral Arks provide a modular, scalable, and vertically adjustable research platform that can be used to build, monitor, and perturb coral reef communities in previously inoperative areas, including offshore.
10:48
Nutrients in Aquatic Ecosystems
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2023
Source: Laboratories of Margaret Workman and Kimberly Frye - Depaul University Nitrogen and phosphorus are essential plant nutrients found in aquatic ecosystems and both are monitored as a part of water quality testing because in excess amounts they can cause significant water quality problems. Nitrogen in water is measured as the common form nitrate (NO3-) that is dissolved in water and readily absorbed by photosynthesizers such as algae. The common form of phosphorus measured is phosphate...
10:39
Multimodal Optical Microscopy Methods Reveal Polyp Tissue Morphology and Structure in Caribbean Reef Building Corals
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Cited by 14 •
2014
An integrated suite of imaging techniques has been applied to determine polyp morphology and tissue structure in the Caribbean corals Montastraeaannularis and M. faveolata. Fluorescence, serial block face, and two-photon confocal laser scanning microscopy have identified lobate structure, polyp walls, and estimated chromatophore and zooxanthellae densities and distributions.
01:19
What is Biodiversity?
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2019
Biodiversity describes the variety of living things at multiple organizational levels: genetic, species and ecosystem diversity. Species diversity includes all branches of the evolutionary tree from single-celled prokaryotic organisms, bacteria, and archaea, to the eukaryotic kingdoms: plants; animals; fungi; and protists. To date, there have been about 1.75 million species identified, and new species are discovered every week. Biodiversity also includes the interactions that connect organisms...
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Photosynthetic dinoflagellates living in coral tissues provide energy to their coral hosts, linking sunlight-driven production to animal growth. In return, corals deposit calcium carbonate skeletons. Over time, these skeletons create the physical framework that supports other organisms and produces the complex habitat associated with reef ecosystems.
These groups interact within the reef community rather than functioning independently. Algae contribute to primary production, microbes participate in nutrient cycling, and fish and invertebrates occupy interconnected ecological roles. Together, their interactions help maintain community complexity, support biodiversity, and influence how nutrients and energy move through the ecosystem.
Warming oceans can disrupt the relationship between coral polyps and their photosynthetic dinoflagellates, contributing to coral bleaching. Reef biology is also affected by disease and habitat loss. Studying these responses helps researchers evaluate how altered environmental conditions influence coral health, ecosystem structure, and the potential for reef resilience.
Researchers can examine the presence and severity of bleaching, disease, and habitat loss while also considering changes in community diversity and reef structure. These observations connect visible coral responses with broader biological effects, including altered species interactions and reduced habitat quality, and can inform evaluations of resilience and conservation needs.
Healthy reefs support fisheries by providing habitat for diverse marine organisms and help protect shorelines by reducing the effects of waves. They also sustain biodiversity and create opportunities for biological research. These combined ecological and societal benefits explain why reef conservation addresses both marine ecosystem function and coastal well-being.
Biological research links coral symbiosis, nutrient cycling, species interactions, bleaching, disease, and habitat loss to the condition of reef communities. Findings from these areas help researchers identify pressures on reefs and develop conservation strategies aimed at improving resilience under warming oceans. The same knowledge also supports assessment of changing biodiversity and ecosystem function.