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Peter G. Ryan

ORCID OpenAlex
26
Papers
0
Tier 1 Papers
7,472
Citations

Affiliations

Papers (26)

Long-term variations in size and polymer type of meso- and microplastics in seabirds and on beaches since the 1980s
2025 Environmental Pollution 3 citations
Influence of colourants on environmental degradation of plastic litter
2024 Environmental Pollution 50 citations
Understanding the sources of marine litter in remote islands: The Galapagos islands as a case study
2024 Environmental Pollution 20 citations
Influence of Colourants on Environmental Degradation of Plastic Litter
2024 AMBIO 5 citations
Abundance and composition of small floating plastics in the eastern and southern sectors of the Atlantic Ocean
2023 Marine Pollution Bulletin 19 citations
Proximity to coast and major rivers influence the density of floating microplastics and other litter in east African coastal waters
2023 Marine Pollution Bulletin 19 citations
Focus on plastics from land to aquatic ecosystems
2023 Frontiers in Environmental Science 14 citations
Amounts, Sources, Fates and Ecological Impacts of Marine Litter and Microplastics in the Western Indian Ocean Region: A Review and Recommendations for Actions
2022 13 citations
Plastic additives and legacy persistent organic pollutants in the preen gland oil of seabirds sampled across the globe
2021 Environmental Monitoring and Contaminants Research 67 citations
International pellet watch: Global monitoring of polybrominated diphenyl ethers (PBDEs) in plastic resin pellets
2021 Environmental Monitoring and Contaminants Research 24 citations
Microfibers in oceanic surface waters: A global characterization
2020 Science Advances 481 citations
Floating macro- and microplastics around the Southern Ocean: Results from the Antarctic Circumnavigation Expedition
2020 Environment International 266 citations
Limited long-distance transport of plastic pollution by the Orange-Vaal River system, South Africa
2020 The Science of The Total Environment 117 citations
The transport and fate of marine plastics in South Africa and adjacent oceans
2020 South African Journal of Science 74 citations
Toward Balancing the Budget: Surface Macro-Plastics Dominate the Mass of Particulate Pollution Stranded on Beaches
2020 Frontiers in Marine Science 70 citations
Monitoring marine plastics – will we know if we are making a difference?
2020 South African Journal of Science 62 citations
Low densities of macroplastic debris in the Pitcairn Islands Marine Reserve
2020 Marine Pollution Bulletin 29 citations
All that glitters is not plastic: the case of open-ocean fibres
2020 0 citations
Microplastic study reveals the presence of natural and synthetic fibres in the diet of King Penguins (Aptenodytes patagonicus) foraging from South Georgia
2019 Environment International 185 citations
Sampling microfibres at the sea surface: The effects of mesh size, sample volume and water depth
2019 Environmental Pollution 114 citations
Little evidence that dams in the Orange–Vaal River system trap floating microplastics or microfibres
2019 Marine Pollution Bulletin 93 citations
Biofouling on buoyant marine plastics: An experimental study into the effect of size on surface longevity
2016 Environmental Pollution 556 citations
A Brief History of Marine Litter Research
2015 308 citations
Sources, fate and effects of microplastics in the environment: a global assessment
2015 Data Archiving and Networked Services (DANS) 24 citations
Plastic Pollution in the World's Oceans: More than 5 Trillion Plastic Pieces Weighing over 250,000 Tons Afloat at Sea
2014 PLoS ONE 4,533 citations
Global research priorities to mitigate plastic pollution impacts on marine wildlife
2014 Endangered Species Research 326 citations