This community contains the ePrints and eTheses of Biological and Environmental Sciences staff and students.
Iron plays an integral role in ocean biogeochemistry, regulating carbon transport and sequestration, and primary productivity via particulate phases. These particulate phases comprise nanoparticles and colloids that range in size below the traditional operational filter cut-off of 0.45 µm for ‘dissolved’ species. This means they are difficult to characterise mineralogically and often neglected as ‘dissolved iron’. Studies have investigated the covariation of iron with organic matter a...
Lanthanum – modified bentonite (LMB) has been used successfully in lake restoration projects globally to control phosphorus (P) release from sediments to overlying waters. However, desirable aquatic macrophyte (macrophyte) species recovery following LMB applications, where reported, has been slow or non-existent, despite improvements in water quality. The reasons behind this lack of recovery are unknown. This study is the first comprehensive assessment of macrophyte recovery following sedimen...
One of global changes affecting river-sea systems is a reduction in sediment flux. This is a direct consequence of human interventions in the river basin. The delta complexes, especially, record the most striking effects, such as coastal erosion and habitat degradation. This research assesses the change of sediment flux from the Danube Delta into the Black Sea, under the influence of dams and climate change. The effects are identified both on a long-term scale (one century) and on a short-t...
Toxin-producing cyanobacteria in aquatic, terrestrial, and aerial environments can occur alongside a wide range of additional health hazards including biological agents and synthetic materials. Cases of intoxications involving cyanobacteria and cyanotoxins, with exposure to additional hazards, are discussed. Examples of the co-occurrence of cyanobacteria in such combinations are reviewed, including cyanobacteria and cyanotoxins plus algal toxins, microbial pathogens and fecal indicator bacter...
Oxidative stress alters cell viability, from microorganism irradiation sensitivity to human aging and neurodegeneration. Deleterious effects of protein carbonylation by reactive oxygen species (ROS) make understanding molecular properties determining ROS susceptibility essential. The radiation‐resistant bacterium Deinococcus radiodurans accumulates less carbonylation than sensitive organisms, making it a key model for deciphering properties governing oxidative stress resistance. We integrated...
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