Marine Pollutants: Biological and Abiotic Degradation Mechanisms
A special issue of Life (ISSN 2075-1729). This special issue belongs to the section "Biochemistry, Biophysics and Computational Biology".
Deadline for manuscript submissions: closed (28 March 2023) | Viewed by 5072
Special Issue Editors
Interests: bioaccumulation; marine ecosystem; toxicity; biotransformtaion; gut microbiota
Interests: Harmful algal blooms, parasitic dinoflagellate, marine host-associated microbiome, biology and ecology of marine dinoflagellates, molecular and physiological strategy of HAB species
Interests: air-sea exchange; biogeochemical cycling of heavy metals
Interests: microbial fuel cell; bioelectrochemical system; environmental functional nanomaterials; wastewater treatment; oxygen reduction reaction; environmental science
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Special Issue Information
Dear Colleagues,
The occurrence, fates and risks of pollutants have become an issue of concern due to their enhanced distribution in marine environments and their impacts on the marine ecosystem; these pollutants include persistent organic pollutants (POPs), heavy metals, emerging pollutants and marine biotoxins. Biological and abiotic degradation are the major sinks of marine pollutants, driving their fates and ecological risks in marine environments. Within the biotic degradation processes, marine pollutants may be susceptible to degradation by enzymes produced by bacteria, fungi, algae, and even macrobiota, whereas the abiotic degradation processes may be associated with hydrolysis and photolysis processes. In the natural marine environment, biotic and abiotic factors exist together and may exhibit a combined degradation mechanism.
In response to the worsening global climate change impacted by anthropogenic carbon dioxide (CO2) emissions, worldwide attention has been paid to strategies for achieving carbon neutrality by the 2050s. Since the marine environment serves as a global reservoir and final sink of carbon, recent studies have proposed strategies for enhancing negative carbon emissions in marine ecosystems in order to support the achievement of carbon neutrality. The core of marine negative emission technologies is the maximization of the blue carbon sequestration driven by the “biological pump” and the minimization of the “degradative pump” for recalcitrant dissolved organic carbon (a kind of natural organic matter). Because the carbon cycling and sequestration in the ocean are coupled with the pollutant biogeochemical cycling and degradation processes, marine negative emission technologies may inevitably influence the distribution, transport and fate of pollutants in the marine environment. Determination of the impact of marine organisms and their released organic matter on the biotic and abiotic degradation processes of pollutants is important for understanding pollutant fates in the marine environment and for formulating relevant environmental policies.
Hence, this Special Issue aims to publish papers describing the most recent scientific advancements in the biotic and abiotic degradation processes of marine pollutants, as well as the characterization of the underlying mechanisms.
Dr. Rui Hou
Dr. Tiantian Chen
Dr. Chunjie Wang
Dr. Junfeng Chen
Dr. Xinxin Zhang
Guest Editors
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Keywords
- marine pollutants
- degradation pump
- air–sea exchange
- marine microalgae
- biology and ecology of marine dinoflagellates
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