A5017795187- Ocean Acidification Effects and Responses
- Marine Biology and Ecology Research
- Marine Bivalve and Aquaculture Studies
- Marine and coastal ecosystems
- Methane Hydrates and Related Phenomena
- Coastal and Marine Management
- Antibiotic Use and Resistance
- Marine and fisheries research
- Marine and Offshore Engineering Studies
- Microbial Community Ecology and Physiology
- Marine and coastal plant biology
- Geology and Paleoclimatology Research
- Microplastics and Plastic Pollution
- Bacterial Identification and Susceptibility Testing
- CO2 Sequestration and Geologic Interactions
- Coral and Marine Ecosystems Studies
- Isotope Analysis in Ecology
- Antimicrobial Resistance in Staphylococcus
- Antibiotic Resistance in Bacteria
- Radioactive contamination and transfer
- Vietnamese History and Culture Studies
- Social Acceptance of Renewable Energy
- Global Energy and Sustainability Research
- Nuclear Physics and Applications
- Atmospheric and Environmental Gas Dynamics
University of Essex
2019-2025
Sacramento VA Medical Center
2025
United States Department of Veterans Affairs
2024
Veterans Health Administration
2024
Scottish Association For Marine Science
2015-2018
University of St Andrews
2010-2011
Sands
2010-2011
Aberdeenshire Council
2011
University of Aberdeen
2011
A carbon budget for the northwest European continental shelf seas (NWES) was synthesised using available estimates coastal, pelagic and benthic stocks flows. Key uncertainties were identified effect of future impacts on assessed. The water contains between 210 230 Tmol absorbs 1.3 3.3 from atmosphere annually. Off-shelf transport burial in sediments account 60-100% 0-40% outputs NWES, respectively. Both these fluxes remain poorly constrained by observations resolving their magnitudes...
Anthropogenic activity is currently leading to dramatic transformations of ecosystems and losses biodiversity. The recognition that these provide services are essential for human well-being has led a major interest in the forms biodiversity-ecosystem functioning relationship. However, there lack studies examining impact climate change on relationships it remains unclear how multiple climatic drivers may affect levels ecosystem functioning. Here, we examine roles two important variables,...
Thousands of artificial ('human-made') structures are present in the marine environment, many at or approaching end-of-life and requiring urgent decisions regarding their decommissioning. No consensus has been reached on which decommissioning option(s) result optimal environmental societal outcomes, part, owing to a paucity evidence from real-world case studies. To address this significant challenge, we asked worldwide panel scientists provide expert opinion. They were identify characterise...
Marine sediments are important sites for global biogeochemical cycling, mediated by macrofauna and microalgae. However, it is the microorganisms that drive these key processes. There strong evidence coastal benthic habitats will be affected changing environmental variables (rising temperature, elevated CO2), research has generally focused on impact macrofaunal biodiversity ecosystem services. Despite their importance, there less understanding of how microbial community assemblages respond to...
Offshore oil and gas platforms (OGP) have been installed worldwide initially with limited consideration given to the nature of their positive or negative long-term interactions natural marine habitats. However, as OGP reach end useful life, many being decommissioned removed, it is timely review growing evidence association biota provide a summary synthesis for policy makers give insight decisions in increasingly crowded spatial plans. In last decade, there has rapid increase studies...
Understanding the effects of anthropogenically-driven changes in global temperature, atmospheric carbon dioxide and biodiversity on functionality marine ecosystems is crucial for predicting managing associated impacts. Coastal are important sources (primary production) to shelf waters play a vital role nutrient cycling. These systems especially vulnerable human activities will be first areas impacted by rising sea levels. Within these coastal ecosystems, microalgal assemblages...
This study used microelectrodes to record pH profiles in fresh shelf sea sediment cores collected across a range of different types within the Celtic Sea. Spatial and temporal variability was captured during repeated measurements 2014 2015. Concurrently recorded oxygen microelectrode other sedimentary parameters provide detailed context for interpretation data. Clear differences were observed between type, location season. Notably, very steep gradients exist surface sediments (10–20 mm),...
Marine ecosystems are exposed to a range of human-induced climate stressors, in particular changing carbonate chemistry and elevated sea surface temperatures as consequence change. More research effort is needed reduce uncertainties about the effects global-scale warming acidification for benthic microbial communities, which drive sedimentary biogeochemical cycles. In this research, mesocosm experiments were set up using muddy sandy coastal sediments investigate independent interactive...
Continental shelf sediments store large amounts of organic carbon. Protecting this carbon from release back into the marine system and managing environment to maximize its rate accumulation could both play a role in mitigating climate change. For these reasons, context an expanding “Blue Carbon” concept, research interest quantity vulnerability stored continental shelf, slope, deep ocean is increasing. In systems, storage physically distant sources, altered between source sink, disturbed by...
Switching from fossil fuels to renewable energy is key international transition efforts and the move toward net zero. For many nations, this requires decommissioning of hundreds oil gas infrastructure in marine environment. Current international, regional national legislation largely dictates that structures must be completely removed at end-of-life although, increasingly, alternative options are being promoted implemented. Yet, a paucity real-world case studies describing impacts on...
Oil and gas exploitation introduces toxic contaminants such as hydrocarbons heavy metals to the surrounding sediment, resulting in deleterious impacts on marine benthic communities. This study combines monitoring data over a 30-year period North Sea with dietary information >1400 taxa quantify effects of active oil platforms food webs using multiple before-after control-impact experiment. Contamination from caused declines web complexity, community abundance, biodiversity. Fewer trophic...
Continental shelf sediments are globally important for biogeochemical activity. Quantification of shelf-scale stocks and fluxes carbon nutrients requires the extrapolation observations made at limited points in space time. The procedure selecting exemplar sites to form basis this up-scaling is discussed relation a UK-funded research programme investigating biogeochemistry seas. A three-step selection process proposed which (1) target area representative UK sediment heterogeneity selected,...
In recent years, the lead-210 (210Pb) geochronological tool has been extensively utilised to determine burial rate of Blue Carbon in various marine environments. Numerous physical disturbances, originating from both anthropogenic and natural sources, can influence its applications. Additionally, many non-nuclear industries discharge waste containing elevated levels naturally occurring radioactive materials, known as NORM industries, which presents another challenge if sediment cores are...
Continental shelf sediments are vast areas, some regions of which accumulate and store organic carbon. However, these increasingly impacted by anthropogenic pressures, particularly from infrastructure related to energy extraction. While determining the standing stock carbon within sediment provides a useful snapshot for current budgets, directly measuring accumulation potential allows assessments how inputs drive stocks will vary temporally defines climate regulation service (aka...
Seagrass meadows are important blue carbon habitats, due to their high productivity and large sedimentary stocks. However, this can be biased when data from larger species, such as Posidonia oceanica, is extrapolated global coverage. Carbon budgets of smaller seagrass Zostera noltei, have been seldom studied, despite these being one the most common species found on North-West European coasts. In studies, inclusion greenhouse gas (GHG) emissions rare. This study addresses key knowledge gaps...
Shelf sediments play a vital role in global biogeochemical cycling and are particularly important areas of oxygen consumption carbon mineralisation. Total benthic uptake, the sum diffusive faunal mediated is robust proxy to quantify However, uptake rates dynamic, due diagenetic processes within sediment, can be spatially temporally variable. Four sites Celtic Sea, encompassing gradients cohesive permeable sediments, were sampled over four cruises capture seasonal spatial changes dynamics....
Abstract Termite mounds have recently been shown to protect against drought by providing refuges for plants and foci revegetation, but whether modulate temperature remains untested. Organisms tend experience climate at finer scales than those captured models predicting how distributions alter with global change, so microclimates represent important “climate refuges.” Using data we collected from African savanna sites, generalized linear mixed‐effects quantile regression analysis confirm the...
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Foraminifera are expected to be particularly susceptible future changes in ocean carbonate chemistry as a function of increased atmospheric CO2. Studies an experimental recirculating seawater system were performed with dominant benthic foraminiferal species collected from intertidal mudflats. We investigated the impacts acidification on survival, growth/calcification, morphology and biometric features calcareous Elphidium williamsoni. exposed for 6 weeks four different pH treatments that...