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Articles 3091 - 3120 of 6798
Full-Text Articles in Entire DC Network
Regionally-Coherent Embayment Rotation: Behavioural Response To Bi-Directional Waves And Atmospheric Forcing, Mark Wiggins, Tim Scott, Gerd Masselink, Paul Russell, Nieves G. Valiente
Regionally-Coherent Embayment Rotation: Behavioural Response To Bi-Directional Waves And Atmospheric Forcing, Mark Wiggins, Tim Scott, Gerd Masselink, Paul Russell, Nieves G. Valiente
School of Biological and Marine Sciences
Bi-directional wave climates often drive beach rotation, increasing erosional risk at semi-sheltered locations. Identification of rotation and forcing mechanisms is vital to future coastal defence. In this study, regional investigation of modelled wave data revealed strong bi-directionality between dominant south-westerly and sub-dominant easterly waves for 14 offshore locations along the length of the south coast of England, U.K. South-westerly wave power was well correlated to positive phases of the West Europe Pressure Anomaly (WEPA), whilst easterly wave power was well correlated with negative phases of the North Atlantic Oscillation (NAO). Additionally, decadal records of beach morphological change and associated wave …
Automated Identification Of Benthic Epifauna With Computer Vision, Nils Piechaud, Christopher Hunt, Phil F. Culverhouse, Nicola L. Foster, Kerry L. Howell
Automated Identification Of Benthic Epifauna With Computer Vision, Nils Piechaud, Christopher Hunt, Phil F. Culverhouse, Nicola L. Foster, Kerry L. Howell
School of Biological and Marine Sciences
No abstract provided.
Cues To Intention Bias Action Perception Toward The Most Efficient Trajectory, Katrina L. Mcdonough, Matthew Hudson, Patric Bach
Cues To Intention Bias Action Perception Toward The Most Efficient Trajectory, Katrina L. Mcdonough, Matthew Hudson, Patric Bach
School of Psychology
No abstract provided.
Identifying Knowledge Brokers, Artefacts And Channels For Waste Reduction In Agri-Food Supply Chains., Huilan Chen, Shaofeng Liu, Guoqing Zhao, Cécile Guyon, Biljana Mileva Boshkoska, Festus Oderanti
Identifying Knowledge Brokers, Artefacts And Channels For Waste Reduction In Agri-Food Supply Chains., Huilan Chen, Shaofeng Liu, Guoqing Zhao, Cécile Guyon, Biljana Mileva Boshkoska, Festus Oderanti
Plymouth Business School
No abstract provided.
Generalisation Of Anthropomorphic Stereotype, Debora Zanatto, Massimiliano Patacchiola, Angelo Cangelosi, Jeremy Goslin
Generalisation Of Anthropomorphic Stereotype, Debora Zanatto, Massimiliano Patacchiola, Angelo Cangelosi, Jeremy Goslin
School of Psychology
No abstract provided.
Horizon Scanning For Invasive Alien Species With The Potential To Threaten Biodiversity And Human Health On A Mediterranean Island, J Peyton, Af Martinou, Et Al
Horizon Scanning For Invasive Alien Species With The Potential To Threaten Biodiversity And Human Health On A Mediterranean Island, J Peyton, Af Martinou, Et Al
School of Biological and Marine Sciences
Invasive alien species (IAS) are one of the major drivers of change that can negatively affect biodiversity, ecosystem functions and services and human health; islands are particularly vulnerable to biological invasions. Horizon scanning can lead to prioritisation of IAS to inform decision-making and action; its scale and scope can vary depending on the need. We focussed on IAS likely to arrive, establish and affect biodiversity and human health on the Mediterranean island of Cyprus. The scope of the horizon scanning was the entire island of Cyprus. We used a two-step consensus-building process in which experts reviewed and scored lists of …
Assessing The Impact Of Introduced Infrastructure At Sea With Cameras: A Case Study For Spatial Scale, Time And Statistical Power, Anthony W.J. Bicknell, Emma V. Sheehan, Brendan J. Godley, Philip D. Doherty, Matthew J. Witt
Assessing The Impact Of Introduced Infrastructure At Sea With Cameras: A Case Study For Spatial Scale, Time And Statistical Power, Anthony W.J. Bicknell, Emma V. Sheehan, Brendan J. Godley, Philip D. Doherty, Matthew J. Witt
School of Biological and Marine Sciences
No abstract provided.
Cryptic Diversity And Ranavirus Infection Of A Critically Endangered Neotropical Frog Before And After Population Collapse, R. Puschendorf, M. Wallace, M. M. Chavarría, A. J. Crawford, F. Wynne, M. Knight, D. H. Janzen, W. Hallwachs, C. V. Palmer, S. J. Price
Cryptic Diversity And Ranavirus Infection Of A Critically Endangered Neotropical Frog Before And After Population Collapse, R. Puschendorf, M. Wallace, M. M. Chavarría, A. J. Crawford, F. Wynne, M. Knight, D. H. Janzen, W. Hallwachs, C. V. Palmer, S. J. Price
School of Biological and Marine Sciences
No abstract provided.
The Rise In Ocean Plastics Evidenced From A 60-Year Time Series, Clare Ostle, Richard C. Thompson, Derek Broughton, Lance Gregory, Marianne Wootton, David G. Johns
The Rise In Ocean Plastics Evidenced From A 60-Year Time Series, Clare Ostle, Richard C. Thompson, Derek Broughton, Lance Gregory, Marianne Wootton, David G. Johns
School of Biological and Marine Sciences
No abstract provided.
Abundance Drives Broad Patterns Of Generalisation In Plant–Hummingbird Pollination Networks, Bi Simmons, J Vizentin‐Bugoni, Pk Maruyama, Pa Cotton, Oh Marín‐Gómez, C Lara, L Rosero‐Lasprilla, Ma Maglianesi, R Ortiz‐Pulido, Ma Rocca, Lc Rodrigues, B Tinoco, Mf Vasconcelos, M Sazima, Amm González, J Sonne, C Rahbek, Lv Dicks, B Dalsgaard, Wj Sutherland
Abundance Drives Broad Patterns Of Generalisation In Plant–Hummingbird Pollination Networks, Bi Simmons, J Vizentin‐Bugoni, Pk Maruyama, Pa Cotton, Oh Marín‐Gómez, C Lara, L Rosero‐Lasprilla, Ma Maglianesi, R Ortiz‐Pulido, Ma Rocca, Lc Rodrigues, B Tinoco, Mf Vasconcelos, M Sazima, Amm González, J Sonne, C Rahbek, Lv Dicks, B Dalsgaard, Wj Sutherland
School of Biological and Marine Sciences
No abstract provided.
Aliphatic Amines At The Cape Verde Atmospheric Observatory: Abundance, Origins And Sea-Air Fluxes, Mark F. Fitzsimons, Charlotte H.L. Cree
Aliphatic Amines At The Cape Verde Atmospheric Observatory: Abundance, Origins And Sea-Air Fluxes, Mark F. Fitzsimons, Charlotte H.L. Cree
School of Geography, Earth and Environmental Sciences
No abstract provided.
Schooling, Selection And Social Mobility Over The Last 50 Years: An Exploration Through Stories Of Lifelong Learning Journeys, Cath Gristy, Gayle Letherby, Ruth Watkins
Schooling, Selection And Social Mobility Over The Last 50 Years: An Exploration Through Stories Of Lifelong Learning Journeys, Cath Gristy, Gayle Letherby, Ruth Watkins
Plymouth Institute of Education
No abstract provided.
Silicon Isotopic Systematics Of Deep-Sea Sponge Grounds In The North Atlantic, Katharine R. Hendry, Lucie Cassarino, Stephanie L. Bates, Timothy Culwick, Molly Frost, Claire Goodwin, Kerry L. Howell
Silicon Isotopic Systematics Of Deep-Sea Sponge Grounds In The North Atlantic, Katharine R. Hendry, Lucie Cassarino, Stephanie L. Bates, Timothy Culwick, Molly Frost, Claire Goodwin, Kerry L. Howell
School of Biological and Marine Sciences
© 2019 Elsevier Ltd Reconstruction of silica cycling in the oceans is key to a thorough understanding of past climates because of the inherent links between the biogeochemistry of silicifiers and sequestration of organic carbon. Diatoms are one of the most important phytoplankton groups in determining export production from surface waters, and rely largely on upwelling deeper waters as a source of dissolved silicon, an essential nutrient for their growth. Quantification of changes in deep water dissolved silicon concentrations in the past allows a more robust understanding of changes in surface nutrient supply and whole-ocean silicon cycling, but cannot be …
Cryptic Diversity In Lithobates Warszewitschii (Amphibia, Anura, Ranidae), James Cryer, Felicity Wynne, Stephen J. Price, Robert Puschendorf
Cryptic Diversity In Lithobates Warszewitschii (Amphibia, Anura, Ranidae), James Cryer, Felicity Wynne, Stephen J. Price, Robert Puschendorf
School of Biological and Marine Sciences
No abstract provided.
Autonomous Vehicular Landings On The Deck Of An Unmanned Surface Vehicle Using Deep Reinforcement Learning, Riccardo Polvara, Sanjay Sharma, Jian Wan, Andrew Manning, Robert Sutton
Autonomous Vehicular Landings On The Deck Of An Unmanned Surface Vehicle Using Deep Reinforcement Learning, Riccardo Polvara, Sanjay Sharma, Jian Wan, Andrew Manning, Robert Sutton
School of Engineering, Computing and Mathematics
SummaryAutonomous landing on the deck of a boat or an unmanned surface vehicle (USV) is the minimum requirement for increasing the autonomy of water monitoring missions. This paper introduces an end-to-end control technique based on deep reinforcement learning for landing an unmanned aerial vehicle on a visual marker located on the deck of a USV. The solution proposed consists of a hierarchy of Deep Q-Networks (DQNs) used as high-level navigation policies that address the two phases of the flight: the marker detection and the descending manoeuvre. Few technical improvements have been proposed to stabilize the learning process, such as the …
Morphological Divergence And Reduced Ectoparasite Prevalence In An Introduced Population Of A Caribbean Anole, V. Bodden, R. Puschendorf
Morphological Divergence And Reduced Ectoparasite Prevalence In An Introduced Population Of A Caribbean Anole, V. Bodden, R. Puschendorf
School of Biological and Marine Sciences
As biological invasions become increasingly common understanding what factors drive a species’ ability to rapidly colonize new habitats will be important for future conservation management. Theoretical models predict that spatial sorting of an invasive population will select for enhanced dispersal-related traits and lower prevalence of parasitic infections. Supporting these, there is a growing body of evidence that demonstrates both features are common in invasive populations, although, these observations stem from mainland systems, over larger spatial scales. Here, we investigated the morphology and ectoparasite prevalence of Maynard's anole (Anolis maynardi) in its native range Little Cayman, and across its introduced range …
A Computational Fluid Dynamics (Cfd) Based Method For Assessing The Hydrodynamic Impact Of Animal Borne Data Loggers On Host Marine Mammals, Adam Kyte, Christopher Pass, Richard Pemberton, Matthew Sharman, J. Chris Mcknight
A Computational Fluid Dynamics (Cfd) Based Method For Assessing The Hydrodynamic Impact Of Animal Borne Data Loggers On Host Marine Mammals, Adam Kyte, Christopher Pass, Richard Pemberton, Matthew Sharman, J. Chris Mcknight
School of Engineering, Computing and Mathematics
Animal-borne data loggers (ABDLs) or “tags” are regularly used to elucidate animal ecology and physiology, but current literature highlights the need to assess associated deleterious impacts including increased resistive force to motion. Previous studies have used computational fluid dynamics (CFD) to estimate this impact, but many suffer limitations (e.g., inaccurate turbulence modeling, neglecting boundary layer transition, neglecting added mass effects, and analyzing the ABDL in isolation from the animal). A novel CFD-based method is presented in which a “tag impact envelope” is defined utilizing simulations with and without transition modeling to define upper and lower drag limits, respectively, and added …
Graphene Sensors For Alzheimer's Biomarker Detection, S Awan
Graphene Sensors For Alzheimer's Biomarker Detection, S Awan
School of Engineering, Computing and Mathematics
No abstract provided.
In-Situ Trace Metal (Cd, Pb, Cu) Speciation Along The Po River Plume (Northern Adriatic Sea) Using Submersible Systems, S Illuminati, A Annibaldi, C Truzzi, M-L Tercier-Waeber, Et Al
In-Situ Trace Metal (Cd, Pb, Cu) Speciation Along The Po River Plume (Northern Adriatic Sea) Using Submersible Systems, S Illuminati, A Annibaldi, C Truzzi, M-L Tercier-Waeber, Et Al
School of Geography, Earth and Environmental Sciences
Information on the distribution and speciation of trace metals is of critical importance for our ability to interpret the links between the bioavailability and uptake of an element, and its biogeochemical cycle in coastal environments. Within the framework of the European Project “In-situ automated Monitoring of Trace metal speciation in Estuaries and Coastal zones in relation with the biogeochemical processes (IMTEC)”, the chemical speciation of Cd, Pb and Cu was carried out along the Po River plume in the period 27 October – 2 November 2002. During the cruise, five Voltammetric In-situ Profiling systems and one Multi Physical Chemical Profiler, …
On The Importance Of Citizen-Science: The First Record Of Goniobranchus Obsoletus (Rüppell & Leuckart, 1830) From Cyprus (Mollusca: Gastropoda: Nudibranchia), P Kleitou, I Giovos, W Wolf, F Crocetta
On The Importance Of Citizen-Science: The First Record Of Goniobranchus Obsoletus (Rüppell & Leuckart, 1830) From Cyprus (Mollusca: Gastropoda: Nudibranchia), P Kleitou, I Giovos, W Wolf, F Crocetta
School of Biological and Marine Sciences
The Mediterranean Sea faces unprecedented challenges by the increasing of non-indigenous species (NIS) introductions. Cyprus is the first European country affected by Lessepsian immigration, being along the natural pathway of many of the Indo-Pacific taxa spreading from the Red Sea; thus, it has a pioneer role in detecting alien species and in demonstrating that a concerted action is necessary at early stages of invasion, as required by the recent EU Regulation on NIS (EC/1143/2014). The present study reports for the first time Goniobranchus obsoletus from Cyprus and confirms the spread of the species in the basin, after its first sightings …
Integrating Field And Laboratory Approaches For Ripple Development In Mixed Sand–Clay–Eps, Jaco H. Baas, Megan L. Baker, Jonathan Malarkey, Sarah J. Bass, Andrew J. Manning, Julie A. Hope, Jeffrey Peakall, Ian D. Lichtman, Leiping Ye, Alan G. Davies, Daniel R. Parsons, David M. Paterson, Peter D. Thorne
Integrating Field And Laboratory Approaches For Ripple Development In Mixed Sand–Clay–Eps, Jaco H. Baas, Megan L. Baker, Jonathan Malarkey, Sarah J. Bass, Andrew J. Manning, Julie A. Hope, Jeffrey Peakall, Ian D. Lichtman, Leiping Ye, Alan G. Davies, Daniel R. Parsons, David M. Paterson, Peter D. Thorne
School of Biological and Marine Sciences
No abstract provided.
Localised Anthropogenic Wake Generates A Predictable Foraging Hotspot For Top Predators, Lilian Lieber, Smith Wam Nimmo, James J. Waggitt, Louise Kregting
Localised Anthropogenic Wake Generates A Predictable Foraging Hotspot For Top Predators, Lilian Lieber, Smith Wam Nimmo, James J. Waggitt, Louise Kregting
School of Biological and Marine Sciences
With rapid expansion of offshore renewables, a broader perspective on their ecological implications is timely to predict marine predator responses to environmental change. Strong currents interacting with man-made structures can generate complex three-dimensional wakes that can make prey more accessible. Whether localised wakes from man-made structures can generate predictable foraging hotspots for top predators is unknown. Here we address this question by quantifying the relative use of an anthropogenically-generated wake by surface foraging seabirds, verified using drone transects and hydroacoustics. We show that the wake of a tidal energy structure promotes a localised and persistent foraging hotspot, with seabird numbers …
Toxic Algae Silence Physiological Responses To Multiple Climate Drivers In A Tropical Marine Food Chain, Lm Turner, Jonathan N. Havenhand, Christian Alsterberg, Ad Turner, Gs K, Ashwin Rai, M. N. Venugopal, Indrani Karunasagar, Anna Godhe
Toxic Algae Silence Physiological Responses To Multiple Climate Drivers In A Tropical Marine Food Chain, Lm Turner, Jonathan N. Havenhand, Christian Alsterberg, Ad Turner, Gs K, Ashwin Rai, M. N. Venugopal, Indrani Karunasagar, Anna Godhe
School of Biological and Marine Sciences
No abstract provided.
Conformity In The Collective: Differences In Hunger Affect Individual And Group Behavior In A Shoaling Fish, Alexander D.M. Wilson, Alicia L.J. Burns, Emanuele Crosato, Joseph Lizier, Mikhail Prokopenko, Timothy M. Schaerf, Ashley J.W. Ward
Conformity In The Collective: Differences In Hunger Affect Individual And Group Behavior In A Shoaling Fish, Alexander D.M. Wilson, Alicia L.J. Burns, Emanuele Crosato, Joseph Lizier, Mikhail Prokopenko, Timothy M. Schaerf, Ashley J.W. Ward
School of Biological and Marine Sciences
No abstract provided.
Disordered Intestinal Microbes Are Associated With The Activity Of Systemic Lupus Erythematosus, Y Li, H Wang, X Li, H Li, Et Al
Disordered Intestinal Microbes Are Associated With The Activity Of Systemic Lupus Erythematosus, Y Li, H Wang, X Li, H Li, Et Al
School of Biomedical Sciences
Intestinal dysbiosis is implicated in Systemic Lupus Erythematosus (SLE). However, the evidence of gut microbiome changes in SLE is limited, and the association of changed gut microbiome with the activity of SLE, as well as its functional relevance with SLE still remains unknown. Here, we sequenced 16S rRNA amplicon on fecal samples from 40 SLE patients (19 active patients, 21 remissive patients), 20 disease controls (Rheumatoid Arthritis (RA) patients), and 22 healthy controls (HCs), and investigated the association of functional categories with taxonomic composition by Phylogenetic Investigation of Communities by Reconstruction of Unobserved States (PICRUSt). We demonstrated SLE patients, particularly …
Sustainability Of Equality: A Paradox For Democracy, S Burr, Yl Leung, Ks Mcmanus
Sustainability Of Equality: A Paradox For Democracy, S Burr, Yl Leung, Ks Mcmanus
Peninsula Medical School
No abstract provided.
An Ecological Partition Of The Atlantic Ocean And Its Adjacent Seas, G Beaugrand, M Edwards, P Hélaouët
An Ecological Partition Of The Atlantic Ocean And Its Adjacent Seas, G Beaugrand, M Edwards, P Hélaouët
School of Biological and Marine Sciences
In the past, partitions of the global ocean have been commonly carried out using relatively few environmental or biological variables. Although such partitions are undoubtedly useful on a global scale, we show that, at a basin scale, the use of a large number of biological variables greatly improves the accuracy of a partition. We first determined pelagic habitats using a set of selected environmental variables such as temperature, bathymetry, light at the seabed, sea ice concentration, current velocity and salinity. We then partitioned the North Atlantic Ocean and its adjacent seas at spatial resolutions of 2° latitude × 2° longitude …
Palaeoenvironmental And Tectonic Significance Of Miocene Lacustrine And Palustrine Carbonates (Aït Kandoula Formation) In The Ouarzazate Foreland Basin, Morocco, Sarah J. Boulton, Justin H. Vandevelde, Stephen T. Grimes
Palaeoenvironmental And Tectonic Significance Of Miocene Lacustrine And Palustrine Carbonates (Aït Kandoula Formation) In The Ouarzazate Foreland Basin, Morocco, Sarah J. Boulton, Justin H. Vandevelde, Stephen T. Grimes
School of Geography, Earth and Environmental Sciences
The Ouarzazate Basin is the southern foreland basin to the High Atlas Mountains in Morocco. The sedimentary fill records a sequence dating from the Eocene to Pleistocene that records the interplay between tectonics and climate. This study presents the first stable isotope and facies analyses of the Middle to Late Miocene Aït Ibrirn lacustrine Member (Aït Kandoula Formation). These data test whether the basin was internally draining and enable the development of palaeoenvironmental models for the Middle to Late Miocene. Five sedimentary facies of lacustrine and palustrine limestones are interbeddded with extensive sequences of palaeosols and fluvial sandstones and conglomerates, …
Temporal Stability Of Orbicella Annularis Symbioses: A Case Study In The Bahamas, Emma V. Kennedy, Linda Tonk, Nicola L. Foster, Peter J. Mumby, Jamie R. Stevens
Temporal Stability Of Orbicella Annularis Symbioses: A Case Study In The Bahamas, Emma V. Kennedy, Linda Tonk, Nicola L. Foster, Peter J. Mumby, Jamie R. Stevens
School of Biological and Marine Sciences
Orbicella annularis (Ellis and Solander, 1786), a key reef building species, is unusual among Caribbean corals in the flexibility it displays in its symbioses with dinoflagellates in the family Symbiodiniaceae. This variability has been documented at a range of spatial scales; from within and between colonies to scales spanning the entire species range. However, temporal variability in Symbiodiniaceae communities found within O. annularis colonies is not well understood. Evidence suggests that symbiont communities in this coral species fluctuate temporally in response to environmental stressors (sporadic changes in abundance and in community composition). In this study, we investigated temporal stability of …
Enhancing Protection Of Underwater Heritage Assets, J Lowther, S Gall, M Williams, E Bean
Enhancing Protection Of Underwater Heritage Assets, J Lowther, S Gall, M Williams, E Bean
School of Law, Humanities and Social Sciences
No abstract provided.