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DTSTART;TZID=Europe/London:20250212T130000
DTEND;TZID=Europe/London:20250212T140000
DTSTAMP:20260612T191636
CREATED:20250204T160500Z
LAST-MODIFIED:20250204T160500Z
UID:10000075-1739365200-1739368800@masts.ac.uk
SUMMARY:MASTS Open Forum Session "Seabed Mining and Resilience to Experimental Impact"
DESCRIPTION:The MASTS Deep Sea Forum is excited to host this free online Open Forum Session with an interesting talk on the SMARTEX research project: \nRegister Here!\n\nSMARTEX – Seabed Mining and Resilience to Experimental Impact\nSpeaker: Daniëlle de Jonge\, Joint Nature Conservation Committee (JNCC) \nSMARTEX is a UK Natural Environment Research Council funded research project that aims to provide the critical scientific understanding of ecosystems and biodiversity associated with polymetallic nodules in a 6 million km2 region of the central Pacific ocean. \nThe nodules are targeted for industry\, including the development of new sustainable technologies but the areas they are in are far from land and human influence. The nature and importance of the abyssal ecosystem is largely unknown\, as is its capacity to cope with and recover from mining impacts if they occur. \nThe project aims to better understand the ecosystem in the Pacific abyss and how the different components interact and interconnect. \n  \n\nImage: Unsplash 
URL:https://masts.ac.uk/event/masts-open-forum-session-seabed-mining/
CATEGORIES:Open Forum Sessions
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ORGANIZER;CN="MASTS":MAILTO:info@masts.ac.uk
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BEGIN:VEVENT
DTSTART;TZID=Europe/London:20250225T110000
DTEND;TZID=Europe/London:20250225T120000
DTSTAMP:20260612T191636
CREATED:20250123T170313Z
LAST-MODIFIED:20250225T153113Z
UID:10000073-1740481200-1740484800@masts.ac.uk
SUMMARY:MASTS Open Forum Session "Of anthropogenic pressures and chalky waters "
DESCRIPTION:The MASTS Biogeochemistry Forum is excited to host this free online Open Forum Session with two talks on blue carbon and coccolithophore blooms: \nView the Recording Here!\n\nDetermination of Blue Carbon accumulation rates in sediments impacted by anthropogenic pressure\nSpeaker: Hugo Woodward-Rowe\, University of Essex \nContinental shelf sediments are vast areas\, some regions of which accumulate and store organic carbon. However\, these regions are increasingly impacted by anthropogenic pressures\, particularly from infrastructure related to energy extraction. Estimating carbon accumulation potential of sediments can be confounded by this anthropogenic activity\, particularly around oil and gas extraction activities. This study describes carbon stocks\, sediment type and carbon accumulation rates (CARs) in sediment surrounding the North West Hutton decommissioned platform in the northern North Sea.  \nBy accounting for heavy metals derived from ICP-MS to create correction factors\, previous estimates of CARs from gamma spectrometry have been corrected and CARs close to North West Hutton\, which were previously undetermined\, have been calculated. Results show that CARs determined by gamma spectrometry alone are consistently lower than those corrected by heavy metal attenuation factors and also using polonium-210 measurements from alpha spectrometry analysis. This work indicated that CARs could be underestimated in regions directly impacted by heavy metals associated with the extraction activity. This study highlights the potential underestimation in the offshore environment\, but if this approach is applied to coastal sites where accumulation rates are generally considerably higher\, and impacted by industry\, this could have widespread implications for service assessments and blue carbon accounting. \n~ \nCHALKY waters of the Icelandic Basin\nSpeaker: Sarah Cryer\, Heriot-Watt University \nThe ability of the ocean to sequester CO­2 is determined by its carbonate chemistry\, which can be altered by calcifying organisms. One such group are the coccolithophores\, which are phytoplankton that surround themselves with microscopic calcite scales known as coccoliths. These coccoliths are often shed by the cell and when high rates of shedding occur\, the ocean turns milky\, which can be visible from space. To understand the physiology of coccolithophore blooms and its impact on ocean alkalinity\, a bloom was sampled in the Icelandic Basin in 2024. This allowed us to analyse changes in coccolithophore growth rates\, turnover of particulate inorganic carbon\, species composition and nutrient depletion across the bloom. Using this data we hope to investigate the impact of coccolithophores on total alkalinity and the fate of this alkalinity. \n  \n\nImages:  (1 & 2) Unsplash 
URL:https://masts.ac.uk/event/masts-open-forum-session-of-anthropogenic-pressures-and-chalky-waters/
CATEGORIES:Open Forum Sessions
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ORGANIZER;CN="MASTS":MAILTO:info@masts.ac.uk
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/London:20250227T130000
DTEND;TZID=Europe/London:20250227T140000
DTSTAMP:20260612T191636
CREATED:20250214T141745Z
LAST-MODIFIED:20250214T141745Z
UID:10000076-1740661200-1740664800@masts.ac.uk
SUMMARY:MASTS Open Forum Session "Harmful Algal Blooms in Salmon Farms"
DESCRIPTION:The MASTS Sustainable Aquaculture Forum is excited to host a free Open Forum Session on: \nInnovative Photocatalytic Barrier for Targeted Elimination of Harmful Algal Blooms in Salmon Farms\nSpeakers: Indira Menezes and Diana Souza Moura (Robert Gordon University) \nHarmful algal blooms (HABs) can cause significant loss of farmed salmon\, particularly through gill damage and oxygen depletion. Advanced oxidation processes have shown promise in eliminating algae due to generation of radicals with high oxidative power. Photocatalysis is one type of advanced oxidation process which has the significant advantage that it can destroy algae and toxic metabolites by using a catalyst and low-cost LEDs without the addition of chemicals. A highly innovative addition to photocatalysis is to explore the use of LED to influence the phototaxis of HABs by selecting the correct wavelength of LED to provide targeted elimination of HABs before they reach salmon cages. Targeted highly localised treatment minimises the impact on non-target organisms while efficiently removing HABs before adverse effects occur. The aim of this project is to design a highly efficient photocatalytic barrier to protect salmon cages from HABs with minimum impact on natural biota\, by applying novel LED lure lights for targeted photocatalytic destruction of HAB species identified as hazards in salmon aquaculture \n~ \nRegister Here!\nImage: Unsplash
URL:https://masts.ac.uk/event/masts-open-forum-session-harmful-algal-bloom/
CATEGORIES:Open Forum Sessions
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ORGANIZER;CN="MASTS":MAILTO:info@masts.ac.uk
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