All news related to Ocean Acidification and Hypoxia

Dynamic exposure lab used to simulate pH buffering effects of kelp forests on oyster larvae

SCCWRP has used its new, state-of-the-art dynamic exposure laboratory to study how underwater kelp forests could lessen the effects of ocean acidification (OA) on oysters and other marine calcifiers. The ... More

Committee offers guidance on how to increase managers’ confidence in acidification modeling effort

A stakeholder committee working to help researchers evaluate whether land-based pollution sources are influencing ocean acidification and hypoxia in Southern California’s coastal ocean has provided initial feedback about how to ... More

Study underscores complexity of predicting acidification’s impacts on marine organisms

SCCWRP and its partners have completed a three-year study examining the vulnerability of fisheries in the world’s polar regions to ocean acidification (OA) – an analysis that has illuminated the ... More

Dynamic exposure lab built to replicate fluctuating environmental conditions

SCCWRP has constructed a state-of-the-art dynamic exposure laboratory to study how aquatic organisms respond to fluctuations in pH, dissolved oxygen and other environmental parameters in a controlled setting – a ... More

Modeling shows nutrient discharges can influence coastal acidification, hypoxia

A computer modeling initiative to understand how Southern California’s coastal ocean will be affected by ocean acidification and hypoxia has shown that land-based sources of nutrients can have a measurable ... More

Modelers generate initial assessment of nutrient effects on acidification in Bight

Researchers working to develop a computer model that predicts how the Southern California Bight will be affected by ocean acidification and hypoxia (OAH) have generated an initial assessment shedding light ... More

Acidification vulnerability assessment completed for Salish Sea marine calcifiers

SCCWRP and its partners have completed a year-long study examining how to assess the vulnerability of marine calcifying communities in the Pacific Northwest’s Salish Sea to ocean acidification (OA), including ... More

Lab study to simulate marine organisms’ exposure to multiple stressors triggered by climate change

SCCWRP and its partners are launching a one-year laboratory study this summer that will simulate how marine organisms are impacted by ocean acidification and multiple other environmental changes triggered by ... More

Bight ’18 pilot study to assess how acidification is impacting marine calcifiers

The Ocean Acidification element of the Southern California Bight 2018 Regional Monitoring Program has launched a pilot study examining how ocean acidification is impacting sensitive marine calcifiers in Southern California’s ... More

Puget Sound study shows coastal estuaries could be impacted by acidification

SCCWRP and its partners have shown in a set of preliminary analyses of Washington’s Puget Sound that coastal estuary environments have the potential to be impacted by ocean acidification (OA) ... More

Modeling run underway to predict acidification’s impacts in Bight

SCCWRP and its partners have begun running a computationally intensive, high-resolution computer model that predicts how the Southern California Bight will be affected by ocean acidification and hypoxia (OAH). The ... More

Expert panel convened to develop acidification thresholds for echinoderms

SCCWRP has convened a nine-member panel of leading experts on sea stars, urchins and other echinoderms to reach agreement on how to use these organisms to track ocean acidification’s biological ... More

Acidification modeling effort being expanded to toxic marine algal blooms

Researchers working to develop a West Coast computer model that predicts how land-based nutrient sources influence coastal ocean acidification and hypoxia are expanding the effort to examine the potential role ... More

Study finds oxidative stress in pteropods could serve as early-warning indicator of climate change’s biological impacts

SCCWRP and its partners have completed a two-year study showing that pteropods, or sea snails, experience cellular and physiological stress as a result of multiple stressors exposure related to climate ... More

Study evaluating potential of kelp forests to offset impacts of coastal ocean acidification

West Coast researchers have completed the first year of field work for a three-year study examining whether planted kelp forests in Washington’s Puget Sound could help protect vulnerable shell-forming organisms ... More

Effort launched to develop acidification thresholds for echinoderms

SCCWRP and its partners have launched an effort to develop expert consensus on biologically relevant thresholds at which sea stars, urchins and other echinoderms can be expected to experience adverse ... More

Signs of shell dissolution detected in Dungeness crab larvae

Researchers have detected signs of dissolution in the carapace, or external shell, of Dungeness crab larvae in response to ocean acidification in the natural environment, the first such documentation that ... More

Member agencies provide feedback to improve West Coast acidification model’s accuracy

SCCWRP’s member agencies provided feedback in June to a team of West Coast ocean modelers on how to assess uncertainty in a computer model that predicts how the region’s coastal ... More

Bight ’18 keeps focus on key issues of management concern

More than 80 environmental agencies will examine new and emerging developments in water-quality science and management during the 2018 cycle of the Southern California Bight Regional Monitoring Program, which initiates ... More

Resolution of West Coast acidification model being increased to improve accuracy

West Coast researchers working to develop a computer model that predicts how the region’s coastal waters will be affected by ocean acidification and hypoxia (OAH) have decided to increase the ... More

Researchers assessing biological impacts of ocean acidification in the Salish Sea

SCCWRP and its partners have launched an effort to assess the vulnerability of marine calcifying communities in the Pacific Northwest’s Salish Sea to ocean acidification, including whether land-based pollution sources ... More

Researchers using Bight data to evaluate accuracy of ocean acidification model

Researchers working to develop a West Coast computer model that predicts how land-based sources of nutrients influence ocean acidification in nearshore coastal waters have begun using field data collected from ... More

Model being developed to predict acidification’s impacts on Dungeness crab

A group of researchers, including SCCWRP, has launched a three-year project to develop a model that predicts impacts on the Pacific Northwest Dungeness crab industry from ocean acidification. The project, ... More

Pteropod health to be evaluated to track ocean acidification

SCCWRP has teamed up with Canada’s Department of Fisheries and Oceans to examine whether pteropods in the Beaufort Sea are showing signs of shell dissolution triggered by ocean acidification. The ... More

Study launched to optimize kelp yields, explore approach to combatting ocean acidification

A group of researchers, including SCCWRP, has launched a study to identify areas in the San Pedro Basin that are ideal for cultivating kelp, as well as the environmental conditions ... More

20 years of nutrient input data compiled for acidification model

SCCWRP and its partners have compiled a series of data sets reflecting the contributions of major sources of nutrients to the Southern California Bight over the past 20 years, part ... More

Ocean acidification model development moves into second validation phase

West Coast researchers working to develop a computer model that predicts how the region’s coastal waters will be affected by ocean acidification and hypoxia have advanced to a second phase ... More

Effort launched to develop biologically relevant thresholds for tracking ocean acidification

SCCWRP and its partners have launched a two-year initiative to develop a scientific foundation for using the health of marine organisms to track the biological impacts of ocean acidification (OA). ... More

Special journal issue chronicles how Bight ecosystems influenced by diversion of wastewater effluent

SCCWRP and its partners have developed a vulnerability index model that predicts how low-lying coastal wetlands across Southern California, including Los Peñasquitos Lagoon in San Diego, above, will be impacted ... More

Researchers using Bight data to evaluating accuracy of ocean acidification model

Researchers working to develop a West Coast computer model that predicts how land-based sources of nutrients influence ocean acidification in nearshore coastal waters have begun using field data collected from ... More

First phase wraps up for West Coast acidification model development

West Coast researchers working to develop a computer model that predicts how the region’s coastal waters will be affected by ocean acidification and hypoxia have successfully completed the first phase ... More

Analysis of ocean acidification conditions across Bight wraps up

SCCWRP and its partners have completed a synoptic analysis of ocean acidification conditions across the Southern California Bight continental shelf, the first phase of a multi-part Bight ’13 study documenting ... More

SCCWRP assembles expert panel to help set eutrophication indicator ranges for California streams

SCCWRP has assembled a 16-member panel of experts to place stream sites across California into different classes based on the ecological health of their algae and bottom-dwelling macroinvertebrate communities, a ... More

Scientists, managers lay foundation for developing acidification criteria at workshop

Scientists and coastal managers from across the West Coast began laying the groundwork for the development of ecologically relevant criteria for coastal ocean acidification during a two-day workshop in October ... More

Analysis of ocean acidification conditions across Bight wraps up

SCCWRP and its partners have completed a synoptic analysis of ocean acidification conditions across the Southern California Bight continental shelf, the first phase of a multi-part Bight ’13 study documenting ... More

Field sampling wraps up for OAH study examining influence of wastewater nutrients in coastal waters

SCCWRP and its member agencies have finished collecting two years of field sampling data for a study that will assess the relative influence of anthropogenic vs. natural sources of nutrient ... More

First phase wraps up for West Coast acidification model development

West Coast researchers working to develop a computer model that predicts how the region’s coastal waters will be affected by ocean acidification and hypoxia have successfully completed the first phase ... More

SCCWRP works toward predicting causes, impacts of West Coast acidification

SCCWRP and its partners have begun work on a predictive model that will offer managers key insights about the extent to which anthropogenic nutrients introduced to coastal waters affect ocean ... More

XPRIZE-developed pH sensors being tested as Bight profilers

SCCWRP and its four POTW member agencies have kicked off a year-long effort to evaluate whether ocean pH monitoring instruments developed through an international XPRIZE competition can be used effectively ... More

Expert panel urges action on West Coast ocean acidification

Global carbon dioxide emissions are triggering fundamental changes to ocean chemistry along the North American West Coast that should be addressed through immediate and decisive management actions, including development of ... More

SCCWRP, partners launching outreach campaign for OAH modeling

A team of scientists that is developing a predictive model examining how the West Coast is impacted by ocean acidification and hypoxia (OAH) will launch a public outreach campaign in ... More