Science topic

Marine Debris - Science topic

garbage patches in the Eastern Pacific, Western Pacific, and North Pacific or Subtropical Convergence Zone (STCZ)
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Publications related to Marine Debris (2,063)
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Conference Paper
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Increasing amounts of marine debris including plastic bottles and glass cullet waste are negatively impacting coastal ecosystems. Applying asphalt concrete can reduce marine debris. Aggregate materials in the asphalt concrete job mix formula were combined with plastic flakes (P) and glass cullet (G) of sub-size less than 0.30 mm and retained on a #...
Conference Paper
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VITO Remote Sensing, Mol, Belgium Marine plastic pollution is widely recognized as an urgent global environmental problem which impacts marine life, poses risks on human health and causes large economic loss. The sources, pathways & quantities of marine litter are currently poorly understood, so more systematic monitoring is needed to support polic...
Article
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Sunlight chemically transforms marine plastics into a suite of products, with formulation�the specific mixture of polymers and additives�driving rates and products. However, the effect of light-driven transformations on subsequent microbial lability is poorly understood. Here, we examined the interplay between photochemical and biological degradati...
Article
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Plastics in the river environment are of major concern due to their potential pathways into the ocean, their persistence in the environment, and their impacts on human and marine health. It has been documented that plastic concentrations in riparian environments are higher following major rain events, where plastic can be moved through surface runo...
Article
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Land-based sources of litter are increasingly recognized as significant contributors to marine debris, and rivers can carry debris to the coast from far-inland sources. In this paper, we demonstrate the important role inland cities can play in the marine debris crisis by reducing their own marine debris contributions. Given this role, we provide a...
Article
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We question whether the rapid growth in research on the impacts of environmental plastics over the last decade has substantially improved our understanding of these impacts. By the mid-1990s, the major environmental and economic impacts of plastics were sufficiently well known to conclude that they posed a significant environmental threat. Accordin...
Article
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Ocean waste that continues moving in the water has been a problem until now. This has stimulated marine debris cleaning technology to emerge. This research sought to evaluate the effectiveness of waste collection using a monohull and catamaran fitted with a forward conveyor. The Reynolds Average Navier Stokes (RANS)-based numerical simulation resea...
Article
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In recent decades, the amount of marine debris has increased in our oceans. As wildlife interactions with debris increase, so does the number of entangled animals, impairing normal behavior and potentially affecting the survival of these individuals. The current study summarizes data on two phocid species, harbor (Phoca vitulina) and gray seals (Ha...
Article
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Monitoring beach plastic contamination across space and time is necessary for understanding its sources and ecological effects, and for guiding mitigation. This is logistically and financially challenging, especially for microplastics. Citizen science represents an option for sampling accessible sites to support long term monitoring, but challenges...
Preprint
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Marine debris originating from human activity has been accumulating in underwater environments such as oceans, lakes, and rivers for decades. The extent, type, and amount of waste is hard to assess as the exact mechanisms for spread are not understood, yielding unknown consequences for the marine environment and human health. Methods for detecting...
Technical Report
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This report outlines the outcomes of the APEC Workshop on Nanoplastics in Marine Debris held 13 – 15 December 2021. The agenda of the workshop is located in Annex A. The main objective of the workshop was to promote communication and cooperation among policymakers and scientists from across the APEC region in addressing the emerging challenge of mi...
Article
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The issue of marine debris has become worldwide attention since it occurs almost everywhere globally Thus, it is crucial to focus on this area to sustain the life below the water as stated by United Nations (SDG 14). This study evaluated the distribution, abundance, and composition of marine debris in three selected islands at Sabah namely Manukan,...
Article
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A significant amount of the produced solid waste reaching the oceans is made of plastics. The amount of plastic debris in the ocean and coastal areas is steadily increasing and is now a major global environmental issue. The monitoring of marine plastic litter, ground-based monitoring systems and/or field campaigns are time-consuming, expensive, req...
Article
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Plastic debris have become an acute marine pollution concern worldwide of our modern times. Indonesia is particularly impacted because of a high population density, heavy rainfall rate and numerous coastlines. A Lagrangian analysis is performed to simulate the fate of fictive marine debris drifting along surface currents including tides and Stokes...
Article
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Entanglement in marine debris and fishing gear is an increasing problem for the world’s pinnipeds and a contributing factor in Steller sea lion (Eumetopias jubatus) injury and mortality. From 2005–2009, we surveyed (n = 389 days) two haul-outs on the central Oregon coast containing a combined median of 402 animals (range 33–1240, or ca. 1–19% of th...
Article
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Floating marine debris is ubiquitous in marine environments but knowledge about quantities in remote regions is still limited. Here, we present the results of an extensive survey of floating marine debris by experts, trained scientists from fields other than pollution or non-professional citizen scientists. A total of 276 visual ship-based surveys...
Article
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Marine litter on the seafloor has been increasing for several decades. Moreover, shipping routes and fishing ports are considered as affected areas with benthic macro-litter distribution. In Peru, the available information about benthic litter is limited and only originates from cleaning campaigns. Therefore, this study aimed to conduct the first s...
Technical Report
Full-text available
The note describes creating a Central American network -REBAMAR- and monitoring marine litter by applying citizen science. The network aims to contribute to studying marine debris in Central America, joining people from rural communities. The network was created with the support of the International Development Research Center of Canada and the Sis...
Article
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Mangrove ecosystems are crucial for ecological processes. However, mangrove forests are currently under peril due to urbanization, aquaculture expansion, and growing pollutant burdens. Marine debris including organic deposits (ODs) is intentionally or unintentionally deposited into the marine environment, which could alter the natural ecology of t...
Article
Full-text available
It is difficult to assess the characteristics of marine debris, especially on hard-to-reach places such as uninhabited islands, rocky coasts, and seashore cliffs. In this study, to overcome the difficulties, we developed a method for marine debris assessment using a segmentation model and images obtained by UAVs. The method was tested and verified...
Article
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Microplastics < 20 μm are being increasingly reported in treated drinking water as well as in surface waters. As such, ongoing microplastic-related research in various fields is beginning to focus on smaller particle sizes as these appear to be most important from a human health perspective. However, no standardized methods for preparing microplast...
Article
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The birds have always been of great importance in various cycles of ecosystems. In between the number of microplastics in marine environments is increasing. In recent years, due to the entry of marine debris into the environment, all kinds of particles such as fiber, fragment, film and other particles in different sizes are accidentally ingested in...
Article
Full-text available
While knowledge of the ecological impacts of marine debris is continually advancing, methods to evaluate the comparative scale of these impacts are less well developed. In the case of costly environmental restoration in marine and coastal environments, quantifying and comparing the ecological impacts of diverse forms of ecosystem injuries can facil...
Article
Full-text available
Accumulation of anthropogenic marine debris on shorelines is an issue of global concern, even impacting areas that are remote, uninhabited, or have protected area status. On islands in Southern California, USA, within the boundaries of a National Park and National Marine Sanctuary, we collected macro-debris on beaches and assessed micro-debris in b...
Article
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This study reports attitudes, beliefs, and littering behaviors of 7532 college-aged cigarette smokers from across the United States. Four behavioral variables were measured: littering of last cigarette butt, number of butts littered in past 24 h, littering in past month, and ever having littered. Questions about beliefs centered on whether cigarett...
Conference Paper
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زباله های دریایی از مسائل مهم آلودگی در محیط های دریایی هستند که می توانند حیات موجودات دریایی را به مخاطره انداخته و محیط زیست آنها را تخریب و تهدیدی بر سلامت انسان باشند. زباله های دریایی، از ساحلی تا ساحل دیگر متفاوت جلوه می کنند و این بستگی به فعالیت های انسانی، جهت وزش باد، جریان های دریایی و دیگر مسائل دارد. از مهم ترین تهدیداتی که زباله های...
Technical Report
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The largest underwater sculpture in the world, the 'Coral Greenhouse’ by artist Jason deCaires Taylor, was commissioned by the Museum of Underwater Art and installed at John Brewer Reef in December 2019. The underwater installation comprises 49 sculptures. A condition of permits G19/42006.1 and G20/44358.1 is to conduct annual monitoring of substra...
Poster
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Marine litter, be it large accumulations or sheer volume, is harmful for marine life as well as deteriorating the health of the human population. Besides better awareness and avoiding future pollution, also an important step is recognition and removal of already existing litter. The task of recognition requires two tasks: Capturing the status of th...
Article
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San Andres Island is one of the main touristic places in Colombia, and its main attractions are its sandy beaches and the marine coastal ecosystems, such as coral reef and seagrass beds. However improper behavior of both residents and tourists on solid residue disposal may threaten not only the aesthetic of the island´s beaches, but also poses risk...
Article
Full-text available
The widespread use and misuse of plastics has resulted in serious environmental degradation issues which need to be addressed with immediate effect. Plastic is one of the most common types of marine debris found in our oceans and lakes. Plastic debris can come in any size and shape. But plastic particles less than five millimeters long are called m...
Chapter
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Marine trash can be found all around the oceans. Debris enters oceans through a variety of sources, including but not limited to sources onshore, vessels, and other marine infrastructure. Plastics are often the most significant component of marine debris, contributing up to 100% of floating trash. Microplastics (MPs) or nanoplastics (NPs), which ar...
Article
Full-text available
Our oceans have been under immense stress due to the deposition and accumulation of marine debris, of which 80% are plastics. Of these, microplastics which are small plastic fragments measuring less than five mm, have been a real bane to the marine fauna, especially the ornamental fishes inhabiting coral reef regions. The multibillion-dollar marine...
Conference Paper
Full-text available
The problem of marine debris became a concern of world scientists that placed Indonesia as the second contributor of the world. Plastic litter that leaked from the land and came through the river is a major source of Indonesia marine debris. This marine debris is a serious threat for ocean and coastal ecosystems. The Ministry of Marine Affairs and...
Technical Report
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Antarctica and the surrounding Southern Ocean are under increasing pressure from cumulative impacts of climate change, pollution, fisheries, tourism and a variety of other human activities. These changes pose a high risk both to local polar ecosystems and to the regulation of the global climate, as well as through global sea-level rise. Thus, long-...
Article
Full-text available
Developing a remote sensing-based monitoring system for detecting marine plastics requires a thorough investigation of their discrimination possibilities from other floating objects. To this end, this study aims to explore the ability to discriminate marine debris from other floating materials and sea features using high-resolution multispectral sa...
Article
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Jeju Island is known for its constant annual inflow of foreign marine debris (FMD). Because the historical data presented that FMD in the coast of Jeju Island tends to increase in the summer season, the study investigates the relationship between the offshore presence of low-salinity waters and the amount of FMD in Jeju Island. As a result of using...
Article
Full-text available
Increased generation of waste, production of plastics, and poor environmental stewardship has led to an increase in floating litter. Significant efforts have been dedicated to mitigating this globally relevant issue. Depending on the location of floating litter, removal methods would vary, but usually include manual cleanups by volunteers or worker...
Article
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Aggregates of floating materials detected in North Adriatic in six Sentinel-2 scenes of August 2020 have been investigated. Most of the floating materials were identified by the chlorophyll red edge and consisted of vegetal materials, probably conveyed by rivers and exchanged with the lagoons. Traces of marine litter were looked for in the spectral...
Article
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This study aims to present the identification, abundance, and chemical characterization of plastics in the intertidal zone sediment of two selected beaches in Kota Kinabalu city, Sabah, Malaysia. Plastic debris was classified according to weight and size and was identified for its heavy metal concentrations and polymer types. Results showed that a...
Article
Full-text available
Plastic food service packaging represents a large source of plastic waste and marine debris. Currently, most food service business operators are resistant to changing to environmentally friendly alternatives due to perceived cost and loss of business due to passing these costs onto the consumer. To address these issues, we assessed the willingness...
Article
Full-text available
There has been increasing recognition of the need to address adverse ecological and socioeconomic effects of abandoned, lost and discarded fishing gear (ALDFG). This component of marine debris has been progressively problematic over recent decades with the rapid expansion of global fisheries’ footprint and effort, and the transition to synthetic an...
Article
Full-text available
Concerns about the impact of plastics pollution on the environment have been growing since the 1970s. Marine debris has reportedly entangled and/or been ingested by 914 marine species ranging from microinvertebrates to large marine mammals. Shorebirds could have a high potential to be exposed to and ingest plastics pollution, as many species migrat...
Article
Full-text available
Marine debris and floating marine debris issues have recently become a matter of great concern. The present study selected Kenting National Park and Northeast Cape and Yilan Coast National Scenic Area as the survey areas, where most of the popular scuba diving spots in Taiwan are located, to identify the volume, types, and sources of marine litter....
Article
Full-text available
Marine debris pollution is increasingly threatening the marine environment and human health. The most effective way to remove macro-debris floating offshore is to send vessels to collect it. We employ advanced remote sensing technology to locate debris and vessels equipped with a hybrid energy system composed of photovoltaic, battery packs and dies...
Article
Full-text available
The increasing level of marine plastic pollution poses severe threats to the marine ecosystem and biodiversity. Open remote sensing data and advanced machine learning (ML) algorithms could be a cost-effective solution for identifying large plastic patches across the scale. The potential application of such resources in detecting and discriminating...
Article
Full-text available
Marine plastic debris is an environmental problem, and its degradation into microplastics (1-5000 μm) introduces them into the food chain. In this study, small polyoxymethylene (global production ~3000 Tg per year) pellets were exposed in terrestrial and simulated marine environments to heat and light, resulting in cracking during decay with increa...
Article
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Plastic waste and its ubiquity in the oceans represent a growing problem for marine life worldwide. Microplastics (MPs) are ubiquitous in the sea and easily enter food webs. Xyrichtys novacula L. is one of the main target species of recreational fishing in the Balearic Islands, Spain. In the present study, the quantity of MPs in gastrointestinal tr...
Article
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Small vessels operating in coastal waters are susceptible to propeller failure because of the entanglement of marine debris. Secondary accidents such as the injury of divers may also occur when removing entangling material. Rope cutters are devices used to prevent marine litter from entangling the propeller of small ships. However, installing rope...
Article
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Marine litter has had a huge impact on the marine environment and the socio-economic activities that depend on healthy oceans. All members of the community must play their part to address marine litter. Teachers are agents of change that are capable of encouraging pro-environmental practices among the community that will reduce environmental issues...
Article
Full-text available
In this study, we estimated the variety and distribution of macroplastics in the central part of Spitsbergen, Svalbard archipelago, Arctic. All marine litter photos were georeferenced, then identified using the OSPAR (2010) classification guide. The majority (90% of all objects) of marine debris was macroplastic with average number in the study are...
Article
Full-text available
The accumulation of marine litter on coastal seabeds is influenced by various anthropogenic and environmental factors. To identify litter accumulation areas on the seafloor, it is necessary to understand the interaction of these parameters. This study analyses the seafloor litter occurrence in the southeastern North Sea, based on samples collected...
Article
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Video surveillance, an important means of monitoring floating marine debris, has the characteristics of long-term and continuous acquisition of the dynamic change process of such debris in a key area. In this paper, using original images acquired by video surveillance of Songyu Wharf, Xiamen Bay, China, a convolutional-neural-network (CNN) model ba...
Poster
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Here we analysed marine debris ingestion in 63 loggerhead turtles (Caretta caretta) registered by the stranding network of the Valencia region. The aim of this study was to elucidate which factors could be determining debris ingestion by live (n=24) and dead (n= 39) individuals. We collected in total 843 debris items (230.0 g; 346.3 ml), being shee...
Preprint
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Marine debris is a problem both for the health of marine environments and for the human health since tiny pieces of plastic called "microplastics" resulting from the debris decomposition over the time are entering the food chain at any levels. For marine debris detection and removal, autonomous underwater vehicles (AUVs) are a potential solution. I...
Article
Full-text available
The use of fish aggregating devices (FADs) in tropical tuna fisheries has increased significantly during recent decades. Concurrently, concern about juvenile tuna mortality, bycatch, and marine debris associated with FAD fisheries increased, and this led to the implementation of FAD management measures and more sustainable designs (e.g., non-entang...
Article
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The generation of small fragments from the environmental ageing of microplastics (MPs) is still a poorly known process. This work addresses the fragmentation of MPs obtained from marine debris consisting of polyethylene and polypropylene (PE and PP in environmental mixture) and polystyrene (PS) after exposure to accelerated ageing by irradiation an...
Article
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Solid waste disposal is a growing concern among Pacific Island nations. With severe limitations in land area, in combination with the lack of reuse or recycling options, many near-shore marine ecosystems across Oceania are highly impacted by locally derived marine debris, including plastics, microplastics and associated chemical contaminants. In or...
Article
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Kuta Beach is a major tourist destination in Bali, is a destination for both International and Domestic tourists. Currently, Kuta is still able to provide comfortable place for its visitors, especially for those who want to enjoy the beauty of the beach with its waves and the sparkling sunset. Behind the charm of its beauty, Kuta Beach still faces...