In this study, five quantitative structure–property relationship (QSPR) models were developed for predicting the microplastic/water partition coefficients (log Kd) of organics between polyethylene/seawater, polyethylene/freshwater, polyethylene/pure water, polypropylene/seawater, and polystyrene/seawater. All the QSPR models show good fitting ability (R² = 0.811–0.939), predictive ability (Q²ext = 0.835–0.910, RMSEext = 0.369–0.752), and robustness (Qcv² = 0.882–0.957). They can be used to predict the Kd values of organic pollutants (such as polychlorinated biphenyls, chlorobenzene, polycyclic aromatic hydrocarbons, antibiotics, perfluorinated compounds, etc.) under different pH conditions. The hydrophobic interaction has been indicated as an important mechanism for the adsorption of organic pollutants to microplastics. In seawaters, the role of hydrogen bond interaction in adsorption is considerable. For polystyrene, π–π interaction contributes to the partitioning. The developed models can be used to quickly estimate the adsorption capacity of organic pollutants on microplastics in different types of water, providing necessary information for ecological risk studies of microplastics.
The Scheme of Control and Enforcement Scheme (Scheme) of the North East Atlantic Fisheries Commission (NEAFC) applies to all fishing vessels used or intended for use in fishing activities conducted on fisheries resources in the Regulatory Area. The scheme is divided into seven chapters: General Provisions (I), Control Measures (II), Monitoring of Fisheries (III), Vessel[…]
For the purpose of ensuring that fishing activities are in compliance with South Indian Ocean Fisheries Agreement (SIOFA) Conservation and Management Measures (CMMs), this CMM provides regulations that make it easier to monitor, control, and monitor fishing activities. It is the responsibility of the Contracting Parties, cooperating non-contracting party (CNCPs), and participating fishing entities (PFEs) to[…]
In the context of sustainable fishing activities, this Regulation establishes specific rules regarding the eligibility of costs associated with operations that aim to protect and restore marine biodiversity and ecosystems. Additionally, this Regulation addresses the eligibility of costs for operations that aim to mitigate climate change and improve the energy efficiency of fishing vessels. Furthermore,[…]
The Third Caribbean Regional Fisheries Mechanism (CRFM) Strategic Plan (2022-2030) sets out a clear roadmap for achieving the CRFM’s vision of effective management, conservation and sustainable use of our fisheries and aquaculture resources, to maximise social and economic benefits in the CRFM Member States. The plan was approved by the Eleventh Special Meeting of the[…]
This measure is based on the Convention on the Conservation and Management of Fishery Resources in the South East Atlantic Ocean, adopted by the Annual Meeting of the South East Atlantic Fisheries Organization (SEAFO) in 2015, establishes the System of Observation, Inspection, Compliance and Enforcement, which shall apply to all fishing vessels and fishing research[…]