Browsing Articles - Marine & Freshwater Research Centre, ATU Galway City by Issue Date
Now showing items 21-40 of 80
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PCB pollution continues to impact populations of orcas and other dolphins in European waters
(Macmillan Publishers, 2016-01)Organochlorine (OC) pesticides and the more persistent polychlorinated biphenyls (PCBs) have well-established dose-dependent toxicities to birds, fish and mammals in experimental studies, but the actual impact of OC ... -
An Ethogram for Bottlenose Dolphins (Tursiops truncatus) in the Shannon Estuary, Ireland
(Minuteman Press, 2017)Ethograms, or categorized lists of behavioral descriptors, are fundamental research tools in the study of animal behavior and are essential to the overall understanding of the behavioral ecology of a species. With specific ... -
An Ethogram for Bottlenose Dolphins (Tursiops truncatus) in the Shannon Estuary, Ireland
(2017)Ethograms, or categorized lists of behavioral descriptors, are fundamental research tools in the study of animal behavior and are essential to the overall understanding of the behavioral ecology of a species. With specific ... -
Including unsexed individuals in sex-specific growth models
(Canadian Journal of Fisheries and Aquatic Sciences, 2017-04-19)Sexually dimorphic growth models are typically estimated by fitting growth curves to individuals of known sex. Yet, macrospically ascribing sex can be difficult, particularly for immature animals. As a result, sex-specific ... -
Female reproductive parameters and population demographics of bottlenose dolphins (Tursiops truncatus) in the Shannon Estuary, Ireland
(Springer Nature, 2017-11-20)This study investigates the female reproductive parameters and population demographics of bottlenose dolphins (Tursiops truncatus) in the Shannon Estuary, Ireland, using long-term relational sightings and photographic ... -
Bottlenose dolphin (Tursiops truncatus) social structure in the Shannon Estuary, Ireland, is distinguished by age- and area-related associations
(Society for Marine Mammalogy, 2018)Social and network analyses that incorporate information on individuals within a population enhance our knowledge of complex species. In this study, the social structure of wild bottlenose dolphins in the Shannon Estuary, ... -
Morphometric methods for the analysis and classification of gastropods: a comparison using Littorina littorea
(Oxford Academic, 2018)The study of morphology is a common means of biological grouping and classification. In recent years, morphometric studies have been dominated by quantitative geometric-morphometric methods of data extraction such as outline ... -
Bottlenose dolphin (Tursiops truncatus) social structure in the Shannon Estuary, Ireland, is distinguished by age- and area-related associations
(Society for Marine Mammalogy, 2018-04)Social and network analyses that incorporate information on individuals within a population enhance our knowledge of complex species. In this study, the social structure of wild bottlenose dolphins in the Shannon Estuary, ... -
Female reproductive parameters and population demographics of bottlenose dolphins (Tursiops truncatus) in the Shannon Estuary, Ireland
(Springer, 2018-09)Abstract This study investigates the female reproductive parameters and population demographics of bottlenose dolphins (Tursiops truncatus) in the Shannon Estuary, Ireland, using long-term relational sightings and ... -
Spatial separation of catches in highly mixed fisheries
(Springer Nature, 2018-09)Mixed fisheries are the dominant type of fishery worldwide. Overexploitation in mixed fisheries occurs when catches continue for available quota species while low quota species are discarded. As EU fisheries management ... -
Current environmental microplastic levels do not alter emergence behaviour in the intertidal gastropod Littorina Littorea
(2019)Microplastics (MPs) are an environmental pollutant of increasing concern. However, little research has assessed MP levels in intertidal gastropods. The authors explored MP abundance in the gastropod Littorina littorea from ... -
Fine-scale sociality reveals female–male affiliations and absence of male alliances in bottlenose dolphins (Tursiops truncatus) in the Shannon Estuary, Ireland
(Society for Marine Mammalogy, 2019-04-29)Knowledge of social behavior at an individual level is central to our understanding of complex mammalian societies. In this study, we analyzed the fine-scale sociality of wild bottlenose dolphins in the Shannon Estuary, ... -
High concentrations of persistent organic pollutants in adult killer whales (Orcinus orca) and a foetus stranded in Ireland
(Elsevier Ltd., 2019-10-29)Bio-accumulation of persistent organic pollutants including polychlorinatedbiphenyls (PCBs), brominated flame retardants and organochlorine pesticides continue to be of major concern for marine apex predators such as killer ... -
Conservation management of common dolphins: Lessons learned from the North‐East Atlantic
(Wiley, 2019-11-19)(1) The short-beaked common dolphin is one of the most numerous cetacean species in the North-East Atlantic and plays a key functional role within the ecosystem as a top predator. However, in 2013, its conservation status ... -
Low levels of microplastics recorded from the common periwinkle, Littorina littorea on the west coast of Ireland
(2019-12)Microplastics (MPs) are an environmental pollutant of increasing concern. However, little research has assessed MP levels in intertidal gastropods. The authors explored MP abundance in the gastropod Littorina littorea from ... -
Highly resolved spatiotemporal simulations for exploring mixed fishery dynamics
(Elsevier, 2020)To understand how data resolution impacts inference on mixed fisheries interactions we developed a highly resolved spatiotemporal discrete-event simulation model MixFishSim incorporating: i) delay-difference population ... -
A first acoustic density estimate for sperm whales in Irish offshore waters
(International Whaling Commission, 2020)Previous studies off western Ireland have suggested that substantial numbers of, mainly male, sperm whales may be found in these habitats. Whaling vessels operating from shore stations in Ireland in the early 20th century ... -
An open-source database model and collections management system for fish scale and otolith archives
(Elsevier B.V., 2020)Scales and otoliths (ear stones) from fish are routinely sampled for age estimation and fisheries management purposes. Growth records from scales and otoliths can be used to generate long-term time series data, and in ... -
Humpback Whales (Megaptera novaeangliae) in the Cape Verde Islands: Migratory Patterns, Resightings, and Abundance
(2020-01)Effective conservation of the endangered North Atlantic humpback whale (Megaptera novaeangliae) which breeds in the eastern North Atlantic around the Cape Verde Islands off West Africa requires information about their ... -
Quantification of microplastic ingestion by the decapod crustacean Nephrops norvegicus from Irish waters
(Elsevier B.V., 2020-01-15)Microplastics are widespread pollutants in the marine environment, yet few studies have assessed the abundance and characteristics of microplastics in commercial species. This study evaluates the presence of ingested ...