All news related to Eutrophication

A research team that has been modeling how land-based nutrient discharges into Southern California Bight coastal waters influence algal blooms and ocean acidification and hypoxia (OAH) has completed a set ... More

SCCWRP and its partners have developed best-practices guidance for using satellite imagery data as a routine management tool to detect and monitor harmful algal blooms (HABs) in California’s large lakes ... More

A national group of scientific experts on harmful algal blooms (HABs) that includes SCCWRP has developed a 10-year strategy outlining how the U.S. should coordinate and prioritize the next decade ... More

SCCWRP has completed the second year of a partnership with a California undergraduate fellowship program to train a new generation of students to help solve pressing societal issues. The #CalifornianforAll ... More

SCCWRP and its partners have completed a study investigating the feasibility of developing site-specific targets to protect California’s wadeable streams from the ecological effects of eutrophication – an alternative to ... More

A research team that has been modeling how land-based nutrient discharges into California coastal waters influences ocean acidification and hypoxia (OAH) has demonstrated how to use the model for predicting ... More

SCCWRP and its partners have developed a set of tools for predicting the likelihood of marine mammals becoming stranded on Southern California beaches based on exposure to elevated levels of ... More

The 2023 cycle of the Southern California Bight Regional Monitoring Program has launched a year-long investigation to comprehensively track the accumulation of multiple different types of contaminants in shellfish – ... More

SCCWRP has convened two groups of scientific experts to develop consensus on how to assess the state of harmful algal blooms (HABs) and kelp, respectively, in California and West Coast ... More

SCCWRP has convened a group of scientific experts on harmful algal blooms (HABs) and ocean acidification and hypoxia (OAH) to study the relationship between these two coastal stressors, especially how ... More

A statewide HABs monitoring workgroup has reconvened a subcommittee to be co-led by SCCWRP that will examine how to improve management options for protecting humans, dogs, and wildlife from toxin-producing ... More

SCCWRP and its partners have helped mobilize and coordinate a rapid-response effort to collect offshore field sampling data on toxin-producing harmful algal blooms (HABs) in Southern California coastal waters, following ... More

SCCWRP and its partners have adapted and applied a computer model that was recently developed for informing seagrass restoration efforts in Newport Bay to help managers track and eradicate an ... More

The California Ocean Protection Council (OPC) has released the first phase of a multi-component ocean health report card designed to provide managers and policymakers with comprehensive annual snapshots about the ... More

SCCWRP has convened a technical advisory committee to develop best-practices guidance for using satellite imaging data as a routine management tool to detect and monitor harmful algal blooms (HABs) in ... More

SCCWRP has partnered with a newly launched California undergraduate fellowship program to train a new generation of students to help solve pressing societal issues. The #CaliforniansforAll College Corps Fellowship Program ... More

SCCWRP has developed a technical foundation for protecting sediment-dwelling organisms in California estuaries from the harmful effects of exposure to excess organic matter. The technical work product, described in an ... More

SCCWRP and its partners have launched a yearlong study to document the severity of a harmful algal blooms (HABs) event that sickened hundreds of sea lions and other marine mammals ... More

SCCWRP and its partners have completed a year-long study that used satellite imaging data to build a comprehensive portrait of when and where ecologically disruptive harmful algal blooms (HABs) have ... More

SCCWRP and its partners have developed a set of best-practices recommendations for building capacity in California to monitor toxins produced by freshwater harmful algal blooms (HABs) that travel through inland ... More

A research team that has been modeling how ocean acidification and hypoxia (OAH) are expected to intensify in Southern California’s coastal ocean in the coming years is moving into a ... More

SCCWRP and its partners have released for public comment a draft science product that is expected to serve as the technical foundation for the State Water Board in developing a ... More

SCCWRP and its partners have completed a two-year study that has identified genetic and environmental factors that appear to be triggering and exacerbating toxin-producing cyanobacterial blooms in California’s largest freshwater ... More

SCCWRP and its partners have completed a three-year study examining how climate change is expected to influence eutrophication in the Santa Margarita River watershed – the final piece of a ... More

SCCWRP and its partners have begun investigating whether Southern California’s water-quality management community could mitigate the ecological effects of coastal ocean acidification and hypoxia (OAH) by investing in a combination ... More

SCCWRP and its partners have begun working to validate the outputs of a newly developed computer model that predicts when and where toxins produced by a common type of marine ... More

SCCWRP and its partners have completed a two-year sediment quality study examining how to protect bottom-dwelling aquatic life in coastal estuaries from excess organic matter triggered by eutrophication. The study, ... More

SCCWRP and its partners have completed an initial investigation into whether existing cyanotoxin thresholds intended to protect the health of humans exposed to cyanotoxins in freshwater systems also could be ... More

SCCWRP and its partners have launched the second sampling phase of a two-year study investigating the environmental and genetic factors that are driving the proliferation of ecologically disruptive, toxin-producing cyanobacterial ... More

SCCWRP has selected three Los Angeles-area lakes that will be the focus of intensive sampling this summer to better understand the underlying factors that promote ecologically disruptive cyanobacterial bloom events ... More

A special national scientific meeting on harmful algal blooms (HABs) that was co-convened and co-facilitated by SCCWRP attracted more than 300 researchers, students and managers over a three-day period in ... More

SCCWRP and its partners have begun working to develop image recognition software that can autonomously identify and count harmful algal bloom (HAB) species in marine waters, part of an ongoing ... More

The Southern California Bight 2018 Regional Monitoring Program has completed a study examining how a toxin produced by a certain ubiquitous type of marine algae can settle and stick to ... More

SCCWRP and its partners have begun sequencing the DNA of hundreds of stream algae samples in preparation for building a molecular version of the statewide Algal Stream Condition Index scoring ... More

SCCWRP has been asked to co-convene and co-facilitate a special national meeting on harmful algal blooms (HABs) this spring following a decision by the National HAB Committee to postpone its ... More

SCCWRP and its partners have launched a three-year effort to determine the degree to which human modifications to Central Valley watersheds are triggering harmful algal blooms and other eutrophication issues ... More

Researchers have completed the first phase of development of a computer model that predicts when and where toxins produced by a common type of marine algal bloom can be expected ... More

SCCWRP has completed the first phase of sampling for a three-year study examining algal toxin levels in Los Angeles-area lakes surrounding the Labor Day holiday, when recreational use of the ... More

SCCWRP and the State Water Board have developed a proposed statewide strategy for boosting California’s capacity to monitor the growing threat posed by harmful algal blooms (HABs) in California freshwater ... More

SCCWRP and the Orange County Sanitation District (OCSD) have completed a comprehensive round of in-plant effluent sampling for a three-year study exploring how the dilution and mixing patterns of OCSD’s ... More

SCCWRP and its partners have shown in a proof-of-concept study that a newer, more experimental form of passive sampling technology known as o-DGT can be used reliably to measure levels ... More

SCCWRP and its partners have launched a two-year pilot study to develop a statewide early-warning system for coastal harmful algal blooms (HABs) that relies on autonomous microscopes to alert water-quality ... More

SCCWRP and California’s Surface Water Ambient Monitoring Program have developed a series of customized signs for water bodies vulnerable to toxin-producing algal blooms that are designed to raise awareness of ... More

SCCWRP has completed a six-month pilot study with the North Coast Regional Water Quality Control Board examining how to use DNA-based methods to identify the types of bacteria responsible for ... More

A workgroup tasked with developing a statewide strategy for monitoring harmful algal blooms (HABs) in freshwater environments has reached consensus on how California should enhance existing its HABs monitoring infrastructure. ... More

SCCWRP and California’s Surface Water Ambient Monitoring Program (SWAMP) have launched an effort to develop a voluntary, citizen science-driven monitoring program to boost statewide capacity for monitoring harmful algal blooms ... More

SCCWRP and its partners have launched a two-year study to investigate the environmental factors that are driving the proliferation of ecologically disruptive, toxin-producing cyanobacterial blooms in Northern California’s Clear Lake. ... More

SCCWRP and its partners have completed a three-year study showing that toxins produced by freshwater cyanobacterial blooms are spreading through waterways in California and mixing with marine toxins in downstream ... More

SCCWRP and its partners have launched a two-year study to evaluate the performance of novel, film-based passive sampling technology for measuring a class of cyanotoxins known as microcystins. The passive ... More

SCCWRP and its partners have launched a three-year effort to develop nutrient loading and flow targets intended to reduce eutrophication in the Elkhorn Slough estuary that drains to Monterey Bay. ... More

SCCWRP has convened a technical advisory group to study whether the State Water Board should develop cyanotoxin monitoring thresholds that better protect vulnerable aquatic life from the impacts of ecologically ... More

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

An expert scientific panel has endorsed a set of draft science products developed by SCCWRP as a strong technical foundation for crafting a State Water Board policy intended to better ... More

California’s Surface Water Ambient Monitoring Program (SWAMP) has convened a workgroup to be facilitated by SCCWRP that will work toward developing a statewide strategy for monitoring harmful algal blooms (HABs) ... More

SCCWRP and its partners have identified at least two Los Angeles-area lakes where a class of cyanotoxins known as microcystins appears to be present, paving the way for researchers to ... More

The Southern California Bight 2018 Regional Monitoring Program’s Harmful Algal Blooms element has tentatively greenlighted a study that will explore whether freshwater cyanotoxins are being transported in the coastal zone. ... More

SCCWRP and its partners have kicked off an effort to develop a statewide strategy California’s water-quality management community could use to systematically assess water bodies’ susceptibility to HABs. The initiative, ... More

A panel of scientific experts has launched a comprehensive review of a suite of technical products co-authored by SCCWRP that are intended to support the State Water Board in developing ... More

The State Water Board has published draft versions of a suite of technical reports, journal manuscripts and tools co-authored by SCCWRP that will serve as the technical foundation for the ... More

SCCWRP and its partners have begun investigating how climate change could influence efforts to reduce eutrophication in the Santa Margarita River watershed, part of a five-year study exploring how to ... More

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

SCCWRP and its partners have launched a three-year study to evaluate potentially cheaper, more precise sampling and analysis methods for tracking cyanotoxin levels in streams and lakes in the Los ... More

The Harmful Algal Blooms element of the Southern California Bight 2018 Regional Monitoring Program has begun working to develop an assessment method for tracking the ecological impacts of freshwater cyanotoxins ... More

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

SCCWRP and its partners have finished assembling an integrated toolkit of mechanistic computer models and empirical statistical models that water-quality managers can use to optimally protect biological integrity and human ... More

SCCWRP and its partners will seek to develop more robust field methods for monitoring cyanotoxins in aquatic environments during a new study kicking off this summer in the Los Angeles ... More

SCCWRP and its partners will begin soliciting public comments this summer on a series of new scientific tools and synthesis reports that will form the technical backbone for a proposed ... More

An assessment tool that will score the ecological health of California wadeable streams by analyzing algal communities is scheduled to be finalized and published as early as this fall. The ... More

SCCWRP and its partners have begun assembling a suite of models to support development of scientifically defensible nutrient loading targets for reducing eutrophication in the lower Santa Margarita River watershed. ... More

SCCWRP and its partners have initiated a study examining whether an algal toxin known as domoic acid can linger in seafloor sediment following a harmful algal bloom (HAB) event. The ... More

SCCWRP and its partners have launched an effort to adapt commercially available unmanned aerial systems (UAS) for routine monitoring of lakes susceptible to ecologically disruptive cyanobacteria blooms. UAS technology – ... More

SCCWRP and its partners have completed field data collection for a three-year project seeking to establish scientifically defensible nutrient loading targets for reducing eutrophication and improving biological integrity in the ... More

SCCWRP in August trained representatives from the Utah Department of Agriculture and Food on techniques for monitoring harmful algal blooms (HABs) in irrigation systems in Utah, part of an effort ... More

SCCWRP and its partners have initiated a series of field experiments examining how a pair of recently acquired unmanned aerial systems (UAS) could be used to improve the speed and ... More

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 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

About 150 water-quality managers from across the nation discussed the state of knowledge about harmful algal blooms (HABs) and best-practices solutions and strategies for combatting them during a management-focused workshop ... More

SCCWRP and its partners have demonstrated in a pilot study that traditional and multispectral cameras mounted to an unmanned aerial system (UAS) can be used to produce high-resolution, 3D mapping ... More

A SCCWRP-led investigation into how to set scientifically defensible macroalgal biomass and nutrient loading targets in the Santa Margarita River Estuary is serving as the basis of a proposed alternative ... More

SCCWRP and its partners have identified a promising, cost-effective passive sampling method for detecting the ubiquitous pesticide fipronil in receiving waters. The passive sampling method for this problematic, high-priority CEC ... More

SCCWRP and its partners have launched the field sampling for a study that will examine how freshwater toxins influence downstream waterbodies along the California coast. The goal is to understand ... More

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

A 16-member expert panel convened to interpret bioassessment scores for wadeable streams statewide has reached consensus on how the scores correspond to various ranges of ecological condition. The Biological Condition ... More

SCCWRP in September helped kick-start a wide-ranging discussion with California water-quality and natural resource managers about how to more effectively manage a common type of coastal estuary known as a ... More

SCCWRP has partnered with Ohio’s NASA Glenn Research Center and Wright State University to build a prototype computer system that can autonomously analyze aerial photos of water bodies susceptible to ... More

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

SCCWRP and its partners have finished the second year of sampling in two Riverside County lakes for a study chronicling the proliferation of toxic algae through the bloom season. During ... More

SCCWRP has partnered with Ohio’s NASA Glenn Research Center and Wright State University to build a prototype computer system that can autonomously analyze aerial photos of water bodies susceptible to ... More

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 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

SCCWRP and its partners have completed the first phase of a five-year study exploring how water-quality managers can set appropriate, scientifically defensible targets for reducing nutrient loading in the Santa ... More

SCCWRP and its partners have completed calibrating a new water-quality model that will be used to study nutrient loading in the Santa Margarita River estuary in northern San Diego County. ... More

SCCWRP and its partners are seeking public comment on a draft of a scientific assessment framework that will be used for assessing the effects of nutrient overenrichment in San Francisco ... More

SCCWRP and its partners have completed a comprehensive review of the likely causes of cyanobacterial blooms and nuisance vegetation in the San Francisco Bay Delta, concluding that nutrient loading likely ... More

A four-member expert review panel tasked with reviewing a science plan supporting the State Water Board’s effort to develop nutrient objectives for California wadeable streams has concluded that SCCWRP’s approach ... More

A group of scientific experts on harmful algal blooms in California has developed a statewide strategy for responding to HABs and mitigating their impacts in water bodies across California. The ... More

Researchers and environmental managers working to understand and address the threat of harmful algal blooms (HABs) across the nation coalesced in Long Beach in November for a five-day national scientific ... More