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Articles 901 - 930 of 1483
Full-Text Articles in Entire DC Network
Taxonomy, Biostratigraphy, And Phylogeny Of Oligocene Streptochilus, Cw Smart, E Thomas
Taxonomy, Biostratigraphy, And Phylogeny Of Oligocene Streptochilus, Cw Smart, E Thomas
School of Geography, Earth and Environmental Sciences
No abstract provided.
Vertical Distribution And Diurnal Migration Of Atlantid Heteropods, Deborah Wall-Palmer, Brett Metcalfe, Melanie J. Leng, Hilary J. Sloane, Gerald Ganssen, P. N. Vinayachandran, Christopher W. Smart
Vertical Distribution And Diurnal Migration Of Atlantid Heteropods, Deborah Wall-Palmer, Brett Metcalfe, Melanie J. Leng, Hilary J. Sloane, Gerald Ganssen, P. N. Vinayachandran, Christopher W. Smart
School of Geography, Earth and Environmental Sciences
© Inter-Research 201 Understanding the vertical distribution and migratory behaviour of shelled holoplanktonic gastropods is essential in determining the environmental conditions to which they are exposed. This is increasingly important in understanding the effects of ocean acidification and climate change. Here we investigated the vertical distribution of atlantid heteropods by collating data from publications and collections and using the oxygen isotope (? 18 O) composition of single aragonitic shells. Data from publications and collections show 2 patterns of migration behaviour: small species that reside in shallow water at all times, and larger species that make diurnal migrations from the surface …
High Contributions Of Sea Ice Derived Carbon In Polar Bear (Ursus Maritimus) Tissue., Thomas A. Brown, Melissa P. Galicia, Gregory W. Thiemann, Simon T. Belt, David J. Yurkowski, Markus G. Dyck
High Contributions Of Sea Ice Derived Carbon In Polar Bear (Ursus Maritimus) Tissue., Thomas A. Brown, Melissa P. Galicia, Gregory W. Thiemann, Simon T. Belt, David J. Yurkowski, Markus G. Dyck
School of Geography, Earth and Environmental Sciences
Polar bears (Ursus maritimus) rely upon Arctic sea ice as a physical habitat. Consequently, conservation assessments of polar bears identify the ongoing reduction in sea ice to represent a significant threat to their survival. However, the additional role of sea ice as a potential, indirect, source of energy to bears has been overlooked. Here we used the highly branched isoprenoid lipid biomarker-based index (H-Print) approach in combination with quantitative fatty acid signature analysis to show that sympagic (sea ice-associated), rather than pelagic, carbon contributions dominated the marine component of polar bear diet (72-100%; 99% CI, n = 55), irrespective of …
Impact Of Surface Ocean Conditions And Aerosol Provenance On The Dissolution Of Aerosol Manganese, Cobalt, Nickel And Lead In Seawater, Matthew P. Fishwick, Simon J. Ussher, Peter N. Sedwick, Maeve C. Lohan, Paul J. Worsfold, Kristen N. Buck, Thomas M. Church
Impact Of Surface Ocean Conditions And Aerosol Provenance On The Dissolution Of Aerosol Manganese, Cobalt, Nickel And Lead In Seawater, Matthew P. Fishwick, Simon J. Ussher, Peter N. Sedwick, Maeve C. Lohan, Paul J. Worsfold, Kristen N. Buck, Thomas M. Church
School of Geography, Earth and Environmental Sciences
© 2017. Atmospheric deposition is an important pathway by which bioactive trace metals are delivered to the surface ocean. The proportions of total aerosol trace metals that dissolve in seawater, and thus become available to biota, are not well constrained and are therefore a key uncertainty when estimating atmospheric fluxes of these elements to surface waters. The aim of this study was to elucidate the main physico-chemical controls on the dissolution of the bioactive trace metals manganese (Mn), cobalt (Co), nickel (Ni) and lead (Pb). To this end, aerosol and surface seawater samples were collected in the Sargasso Sea and …
Suspended Solids Moderate The Degradation And Sorption Of Waste Water-Derived Pharmaceuticals In Estuarine Waters., Y Aminot, L Fuster, P Pardon, K Le Menach, H Budzinski
Suspended Solids Moderate The Degradation And Sorption Of Waste Water-Derived Pharmaceuticals In Estuarine Waters., Y Aminot, L Fuster, P Pardon, K Le Menach, H Budzinski
School of Geography, Earth and Environmental Sciences
This study focuses on the fate of pharmaceuticals discharged into an estuarine environment, particularly into the Turbidity Maximum Zone (TMZ). Batch experiments were set up to investigate the factors regulating the degradation of 53 selected pharmaceuticals. Treated effluents from Bordeaux city (France) were mixed with water from the estuarine Garonne River during 4weeks under 6 characterized conditions in order to assess the influence of suspended particulates, sterilization, untreated wastewater input and dilution on the degradation kinetics. Of the 53 pharmaceuticals monitored, 43 were quantified at the initial time. Only 7 exhibited a persistent behavior (e.g. carbamazepine, meprobamate) while biotic degradation …
Organic Matter Identifies The Nano-Mechanical Properties Of Native Soil Aggregates, Sa Gazze, I Hallin, G Quinn, E Dudley, Gp Matthews, P Rees, Keulen G Van, Sh Doerr, Lw Francis
Organic Matter Identifies The Nano-Mechanical Properties Of Native Soil Aggregates, Sa Gazze, I Hallin, G Quinn, E Dudley, Gp Matthews, P Rees, Keulen G Van, Sh Doerr, Lw Francis
School of Geography, Earth and Environmental Sciences
Localized variations at the nanoscale in soil aggregates and in the spatial organisation of soil organic matter (SOM) are critical to understanding the factors involved in soil composition and turnover. However soil nanoscience has been hampered by the lack of suitable methods to determine soil biophysical properties at nanometre spatial resolution with minimal sample preparation. Here we introduce for the first time an Atomic Force Microscopy (AFM)- based Quantitative Nano-Mechanical mapping (QNM) approach that allows the characterisation of the role of SOM in controlling surface nano-mechanical properties of soil aggregates. SOM coverage resulted in an increased roughness and surface variability …
Agroecological, Land-Elevation And Socioeconomic Determinants Of Raising Livestock In Bangladesh, S Rahman
Agroecological, Land-Elevation And Socioeconomic Determinants Of Raising Livestock In Bangladesh, S Rahman
School of Geography, Earth and Environmental Sciences
This paper determines the influence of agroecological, land-elevation and socioeconomic factors in the raising of different types of livestock in Bangladesh using nationwide sub-district level data from two Agriculture and Livestock Censuses of 1996 and 2008, by applying a simultaneous equations model. Results reveal that socioeconomic, land-elevation and agroecological factors exert significant but varied influence on the type of livestock raised by householders. The number of cattle, goat/sheep and poultry raised per household are significantly higher for medium and small farms as well as for wage-labour households. Cattle raised per household is significantly higher for non-farm households, whereas poultry raised …
Building Student Resilience: A Self-Leadership Approach, Paul Murray, Sheran Murray, Paul Warwick, Anne Bentley
Building Student Resilience: A Self-Leadership Approach, Paul Murray, Sheran Murray, Paul Warwick, Anne Bentley
School of Geography, Earth and Environmental Sciences
This is a pilot project evaluating the potential of a programme of resilience-building techniques to support student wellbeing by enhancing their personal competency levels. The research targets the general student population. The project objectives are to:(a) Evaluate, and adapt for use with students, techniques for developing “Personal and Workplace Resilience” previously delivered as Plymouth University staff development training). (b) Deliver the revised programme to students drawn from across the university (c) Evaluate the impact of the programme on participant perceptions and confidence in their ability to influence their personal wellbeingBackground/context to project:This pilot explored the potential of face-to-face resilience-building training …
Pliocene Stratigraphic Paleobiology In Tuscany And The Fossil Record Of Marine Megafauna, S Dominici, S Danise, M Benvenuti
Pliocene Stratigraphic Paleobiology In Tuscany And The Fossil Record Of Marine Megafauna, S Dominici, S Danise, M Benvenuti
School of Geography, Earth and Environmental Sciences
Tuscany has a rich Pliocene record of marine megafauna (MM), including mysticetes, odontocetes, sirenians and seals among the mammals, and six orders of sharks among the elasmobranchs. This is reviewed with respect to paleogeography and sequence-stratigraphy in six different basins. Conditions at the ancient seafloor are explored by means of sedimentary facies analysis, taphonomy and multivariate techniques applied to a large quantitative dataset of benthic molluscs. MM is rare or absent in most basins during the Zanclean, except in one basin, and most abundant in Piacenzian deposits in all six basins. MM occurs preferentially in fine-grained, shelfal highstand-deposits of small-scale …
Pinpointing Areas Of Increased Soil Erosion Risk Following Land Cover Change In The Lake Manyara Catchment, Tanzania, Maarten Wynants, Henok Solomon, Patrick Ndakidemi, William H. Blake
Pinpointing Areas Of Increased Soil Erosion Risk Following Land Cover Change In The Lake Manyara Catchment, Tanzania, Maarten Wynants, Henok Solomon, Patrick Ndakidemi, William H. Blake
School of Geography, Earth and Environmental Sciences
No abstract provided.
Block And Boulder Accumulations On The Southern Coast Of Crete (Greece): Evidence For The 365 Ce Tsunami In The Eastern Mediterranean, Sarah J. Boulton, Michael R.Z. Whitworth
Block And Boulder Accumulations On The Southern Coast Of Crete (Greece): Evidence For The 365 Ce Tsunami In The Eastern Mediterranean, Sarah J. Boulton, Michael R.Z. Whitworth
School of Geography, Earth and Environmental Sciences
No abstract provided.
Application Of Field-Portable-Xrf For The Determination Of Trace Elements In Deciduous Leaves From A Mine-Impacted Region, Andrew Turner, Chor Chi Chan, Murray T. Brown
Application Of Field-Portable-Xrf For The Determination Of Trace Elements In Deciduous Leaves From A Mine-Impacted Region, Andrew Turner, Chor Chi Chan, Murray T. Brown
School of Geography, Earth and Environmental Sciences
No abstract provided.
Biotic And Abiotic Degradation Of The Sea Ice Diatom Biomarker Ip 25 And Selected Algal Sterols In Near-Surface Arctic Sediments, Jean François Rontani, Simon T. Belt, Rémi Amiraux
Biotic And Abiotic Degradation Of The Sea Ice Diatom Biomarker Ip 25 And Selected Algal Sterols In Near-Surface Arctic Sediments, Jean François Rontani, Simon T. Belt, Rémi Amiraux
School of Geography, Earth and Environmental Sciences
No abstract provided.
Atomic Spectrometry Update: Review Of Advances In Elemental Speciation, Robert Clough, Chris F. Harrington, Steve J. Hill, Yolanda Madrid, Julian F. Tyson
Atomic Spectrometry Update: Review Of Advances In Elemental Speciation, Robert Clough, Chris F. Harrington, Steve J. Hill, Yolanda Madrid, Julian F. Tyson
School of Geography, Earth and Environmental Sciences
This review covers advances in elemental speciation by a range of coupled techniques, including HPLC-ICP-MS, HPLC-HG-AFS and GC-ICP-MS.
The Resilience And Vulnerability Of Remote Mountain Communities: The Case Of Vent, Austrian Alps, Ga Wilson, M Schermer, R Stotten
The Resilience And Vulnerability Of Remote Mountain Communities: The Case Of Vent, Austrian Alps, Ga Wilson, M Schermer, R Stotten
School of Geography, Earth and Environmental Sciences
© 2017 Elsevier Ltd Building on critical community resilience studies, this study analyses the resilience of the village of Vent, a remote mountain community in the Austrian Ötztal valley challenged by slow-onset disturbances such as climate change, outmigration of young people and the repercussions of the post-2008 recession. A conceptual framework which focuses on how well economic, social, cultural, political and natural domains are developed within a community, is used as the conceptual springboard to assess the resilience of Vent. The study highlights that Vent is facing substantial resilience challenges and that the community is particularly vulnerable (weak resilience) with …
Toward Sustainable Environmental Quality: Priority Research Questions For Europe, Den Brink Pj Van, Aba Boxall, L Maltby, Bw Brooks, Ma Rudd, T Backhaus, D Spurgeon, V Verougstraete, C Ajao, Gt Ankley, Se Apitz, K Arnold, T Brodin, M Cañedo-Argüelles, J Chapman, J Corrales, M-A Coutellec, Tf Fernandes, J Fick, At Ford, Papiol G Giménez, Kj Groh, Th Hutchinson, H Kruger, Jvk Kukkonen, S Loutseti, S Marshall, D Muir, Me Ortiz-Santaliestra, Kb Paul, A Rico, I Rodea-Palomares, J Römbke, T Rydberg, H Segner, M Smit, Gestel Cam Van, M Vighi, I Werner, Ei Zimmer, Wensem J Van
Toward Sustainable Environmental Quality: Priority Research Questions For Europe, Den Brink Pj Van, Aba Boxall, L Maltby, Bw Brooks, Ma Rudd, T Backhaus, D Spurgeon, V Verougstraete, C Ajao, Gt Ankley, Se Apitz, K Arnold, T Brodin, M Cañedo-Argüelles, J Chapman, J Corrales, M-A Coutellec, Tf Fernandes, J Fick, At Ford, Papiol G Giménez, Kj Groh, Th Hutchinson, H Kruger, Jvk Kukkonen, S Loutseti, S Marshall, D Muir, Me Ortiz-Santaliestra, Kb Paul, A Rico, I Rodea-Palomares, J Römbke, T Rydberg, H Segner, M Smit, Gestel Cam Van, M Vighi, I Werner, Ei Zimmer, Wensem J Van
School of Geography, Earth and Environmental Sciences
The United Nations' Sustainable Development Goals have been established to end poverty, protect the planet, and ensure prosperity for all. Delivery of the Sustainable Development Goals will require a healthy and productive environment. An understanding of the impacts of chemicals which can negatively impact environmental health is therefore essential to the delivery of the Sustainable Development Goals. However, current research on and regulation of chemicals in the environment tend to take a simplistic view and do not account for the complexity of the real world, which inhibits the way we manage chemicals. There is therefore an urgent need for a …
Disadvantage In English Seaside Resorts: A Typology Of Deprived Neighbourhoods, Sheela Agarwal, Steven Jakes, Stephen Essex, Stephen J. Page, Martin Mowforth
Disadvantage In English Seaside Resorts: A Typology Of Deprived Neighbourhoods, Sheela Agarwal, Steven Jakes, Stephen Essex, Stephen J. Page, Martin Mowforth
School of Geography, Earth and Environmental Sciences
Socio-economic disadvantage experienced by residents of English seaside resorts has been growing over the last decade, and academic and practice-based research is providing better insights into the causes, internal dynamics and appropriate policy responses to these issues in coastal communities. This paper examines the nature and extent of disadvantage in English seaside resorts through analysis of a specially devised spatial and temporal database, which draws together various publicly available sources beyond the population census and Index of Multiple Deprivation. Using univariate, bivariate and multivariate analyses of this database, a new typology of highly deprived resort neighbourhoods has been devised, with …
Numerical Analysis Of The Rheological Behaviour Of The Socompa Debris Avalanche, Chile, F Vagnon, M Pirulli, I Manzella, K Kelfoun, Am Ferrero
Numerical Analysis Of The Rheological Behaviour Of The Socompa Debris Avalanche, Chile, F Vagnon, M Pirulli, I Manzella, K Kelfoun, Am Ferrero
School of Geography, Earth and Environmental Sciences
Socompa Volcano provides one of the world’s best-exposed example of a sector collapse that generated debris avalanche deposit. The debris avalanche, occurred about 7000 years ago, involved 25 km3 of fragmented rock that formed a thin but widespread (500 km2) deposit. Numerical model of this event was already performed using a shock-capturing method based on double upwind Eulerian scheme in order to provide information for investigating, within realistic geological context, its dynamic and run-out (Kelfoun and Druitt 2005). This paper analyses an important aspect of the continuum numerical modeling of rapid landslides as debris avalanche: the interchangeability of rheological parameter …
‘Constructive Tensions’ In Resilience Research: Critical Reflections From A Human Geography Perspective, Ga Wilson
School of Geography, Earth and Environmental Sciences
This review paper critically examines four “constructive tensions” in current resilience research, the first three of which are: its association with the roots of the resilience concept in ecological research; issues surrounding resilience as a normative or neutral concept; and confusion about the often interchangeable use of “resilience” and “sustainability” as possibly synonymous terms. The paper refers to these ambiguities as constructive tensions which have sparked fruitful discussions and debates. A fourth constructive tension is directly associated with human geography's engagement with resilience, especially by addressing the relative aspatiality of “mainstream” resilience research, by reinforcing the importance of power and …
Does Carbon Limitation Reduce Nitrogen Retention In Soil?, H. Kate Schofield, Alan D. Tappin, Mark F. Fitzsimons
Does Carbon Limitation Reduce Nitrogen Retention In Soil?, H. Kate Schofield, Alan D. Tappin, Mark F. Fitzsimons
School of Geography, Earth and Environmental Sciences
No abstract provided.
Sea Ice, Ice-Rafting, And Ocean Climate Across Denmark Strait During Rapid Deglaciation (Similar To 16-12 Cal Ka Bp) Of The Iceland And East Greenland Shelves, J. T. Andrews, P. Cabedo-Sanz, A. E. Jennings, S Olafsdottir, S. T. Belt, A Geirsdottir
Sea Ice, Ice-Rafting, And Ocean Climate Across Denmark Strait During Rapid Deglaciation (Similar To 16-12 Cal Ka Bp) Of The Iceland And East Greenland Shelves, J. T. Andrews, P. Cabedo-Sanz, A. E. Jennings, S Olafsdottir, S. T. Belt, A Geirsdottir
School of Geography, Earth and Environmental Sciences
No abstract provided.
Use Of Palmitoleic Acid And Its Oxidation Products For Monitoring The Degradation Of Ice Algae In Arctic Waters And Bottom Sediments, Jean François Rontani, Rémi Amiraux, Catherine Lalande, Marcel Babin, Hak Ryul Kim, Simon T. Belt
Use Of Palmitoleic Acid And Its Oxidation Products For Monitoring The Degradation Of Ice Algae In Arctic Waters And Bottom Sediments, Jean François Rontani, Rémi Amiraux, Catherine Lalande, Marcel Babin, Hak Ryul Kim, Simon T. Belt
School of Geography, Earth and Environmental Sciences
No abstract provided.
High Levels Of Migratable Lead And Cadmium On Decorated Drinking Glassware, Andrew Turner
High Levels Of Migratable Lead And Cadmium On Decorated Drinking Glassware, Andrew Turner
School of Geography, Earth and Environmental Sciences
No abstract provided.
Biogeography And Genetic Diversity Of The Atlantid Heteropods., Deborah Wall-Palmer, Alice K. Burridge, Erica Goetze, Frank R. Stokvis, Arie W. Janssen, Lisette Mekkes, María Moreno-Alcántara, Nina Bednaršek, Tom Schiøtte, Sørensen M Vinther, Christopher W. Smart, Peijnenburg K T.C.A.
Biogeography And Genetic Diversity Of The Atlantid Heteropods., Deborah Wall-Palmer, Alice K. Burridge, Erica Goetze, Frank R. Stokvis, Arie W. Janssen, Lisette Mekkes, María Moreno-Alcántara, Nina Bednaršek, Tom Schiøtte, Sørensen M Vinther, Christopher W. Smart, Peijnenburg K T.C.A.
School of Geography, Earth and Environmental Sciences
No abstract provided.
Vegetation And Land-Use Change In Northern Europe During Late Antiquity: A Regional-Scale Pollen-Based Reconstruction, J Woodbridge-Fisher, R Fyfe, Cn Roberts
Vegetation And Land-Use Change In Northern Europe During Late Antiquity: A Regional-Scale Pollen-Based Reconstruction, J Woodbridge-Fisher, R Fyfe, Cn Roberts
School of Geography, Earth and Environmental Sciences
No abstract provided.
A Multi-Technique Experimental And Modelling Study Of The Porous Structure Of Ig-110 And Ig-430 Nuclear Graphite, Katie L. Jones, Giuliano M. Laudone, G. Peter Matthews
A Multi-Technique Experimental And Modelling Study Of The Porous Structure Of Ig-110 And Ig-430 Nuclear Graphite, Katie L. Jones, Giuliano M. Laudone, G. Peter Matthews
School of Geography, Earth and Environmental Sciences
In nuclear graphite, the wide range of void sizes precludes a full characterisation of pore volume by means of a single technique. A novel multi-technique approach, consisting of pycnometry, low pressure gas adsorption and mercury porosimetry is presented. The approach is validated for two nuclear-grade graphites designed for use in Generation IV nuclear reactors, namely IG-110 and IG-430. Damage and deformation caused to the structure of the graphite by mercury intrusion is estimated by consecutive intrusion experiments. The damage is assumed to be caused by the highest applied pressures of mercury. It is compensated by substituting that part of the …
Paleoecological Analysis Of Benthic Recovery After The Late Permian Mass Extinction Event In Eastern Lombardy, Italy, William J. Foster, Silvia Danise, Gregory D. Price, Richard J. Twitchett
Paleoecological Analysis Of Benthic Recovery After The Late Permian Mass Extinction Event In Eastern Lombardy, Italy, William J. Foster, Silvia Danise, Gregory D. Price, Richard J. Twitchett
School of Geography, Earth and Environmental Sciences
No abstract provided.
Community Resilience In Rural China: The Case Of Hu Village, Sichuan Province, G Wilson, Z Hu, S Rahman
Community Resilience In Rural China: The Case Of Hu Village, Sichuan Province, G Wilson, Z Hu, S Rahman
School of Geography, Earth and Environmental Sciences
Building on conceptual frameworks to assess community resilience developed by Emery and Flora (2006) and Kelly et al. (2015), this study analyses the resilience of Hu village (Sichuan, China). The resilience of the village is assessed in the face of multiple and complex slow- and fast onset anthropogenic disturbances, especially the impacts of globalisation and modernisation, which have substantially transformed Chinese society. Hu village is typical for a rural community in transition affected by industrialisation, deagrarianisation, counter-urbanisation and changing stakeholder expectations and opportunities. This has been accompanied by agricultural depopulation, outmigration, increasing non-farm employment, declining agricultural incomes, and associated social …
The Curious Death - And Life - Of British Transport Policy, Iain Docherty, Jon Shaw, Greg Marsden, Jillian Anable
The Curious Death - And Life - Of British Transport Policy, Iain Docherty, Jon Shaw, Greg Marsden, Jillian Anable
School of Geography, Earth and Environmental Sciences
No abstract provided.
A High-Resolution Belemnite Geochemical Analysis Of Early Cretaceous (Valanginian-Hauterivian) Environmental And Climatic Perturbations, Gregory D. Price, Nico M.M. Janssen, Mathieu Martinez, Miguel Company, Justin H. Vandevelde, Stephen T. Grimes
A High-Resolution Belemnite Geochemical Analysis Of Early Cretaceous (Valanginian-Hauterivian) Environmental And Climatic Perturbations, Gregory D. Price, Nico M.M. Janssen, Mathieu Martinez, Miguel Company, Justin H. Vandevelde, Stephen T. Grimes
School of Geography, Earth and Environmental Sciences
No abstract provided.