Ocean Acidification
Ocean Acidification - Related Videos
03:21
Gut Acidification Monitoring Assay: A Technique to Study the Acidification of the Intestinal Lumen in Drosophila using Bromophenol Blue Dye
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2025
This video demonstrates an assay to monitor gut acidification in Drosophila flies. After the ingestion of food supplemented with a pH indicator dye, the acidification of the intestinal lumen results in a change in the color of the dye. Visual inspection of the digestive tract of the flies to examine the color change provides evidence of acidification.
04:39
Monitoring Gut Acidification in the Adult Drosophila Intestine
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Cited by 10 •
2021
Here, we present a standardized protocol for monitoring gut acidification in Drosophila melanogaster with optimal output. We first use this protocol for gut acidification monitoring in Drosophila melanogaster and then demonstrate its use in non-model Drosophila species.
10:43
Unraveling the Unseen Players in the Ocean - A Field Guide to Water Chemistry and Marine Microbiology
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Cited by 33 •
2014
Here, we present a comprehensive protocol to assess the organic and inorganic nutrient availability and the abundance and structure of microbial and viral communities in remote marine environments.
10:35
Studies of Bacterial Chemotaxis Using Microfluidics - Interview
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Cited by 1 •
2007
10:44
Clean Sampling and Analysis of River and Estuarine Waters for Trace Metal Studies
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Cited by 3 •
2016
Special care using "clean techniques" is required to properly collect and process water samples for trace metal studies in aquatic environments. A protocol for sampling, processing, and analytical procedures with the aim of obtaining reliable environmental monitoring data and results with high sensitivity for detailed trace metal studies is presented.
FAQs
As dissolved carbon dioxide reacts with water, it forms carbonic acid and releases hydrogen ions. The resulting increase in hydrogen ions lowers seawater pH and reduces the availability of carbonate ions. This chemical shift matters biologically because carbonate ions are needed by many marine organisms to build calcium carbonate shells and skeletons, linking seawater chemistry directly to organismal growth and structure.
Carbonate ions provide essential building material for calcium carbonate structures produced by many marine organisms. When ocean acidification reduces carbonate availability, organisms that form shells or skeletons may face conditions that affect these biological structures. Corals and mollusks are therefore important subjects in biological research on acidification, because their structural dependence connects chemical changes in seawater with marine organism health.
No single response describes every marine organism. Research examines effects across corals, mollusks, plankton, and fish physiology, as well as consequences for entire marine food webs. This broad scope reflects biological variation among organisms and levels of organization. Studying several groups helps researchers distinguish effects on individual physiology from wider ecological changes that may influence communities and biodiversity.
Biological studies examine changes in corals, mollusks, plankton, and fish physiology, while also considering effects on marine food webs. These subjects represent different biological roles, from organisms that build calcium carbonate structures to organisms whose physiological responses can influence ecological interactions. Together, they provide information about how altered seawater conditions may affect marine biodiversity and ecosystem function.
Ocean acidification research supports ecosystem monitoring by connecting changing seawater conditions with responses in marine organisms and food webs. Observations of corals, mollusks, plankton, and fish physiology can help indicate how biological systems are being affected. This information also contributes to climate-change assessment, allowing researchers to evaluate acidification as part of broader environmental change rather than as an isolated chemical process.
Its importance extends beyond individual organisms because biological responses can affect marine food webs, biodiversity, and fisheries. Changes involving corals, mollusks, plankton, or fish physiology may alter relationships among organisms and the ecosystems that support marine resources. For this reason, acidification research helps identify environmental pressures relevant to protecting marine biodiversity and assessing risks to fisheries.