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Now showing items 12-31 of 56

Field Trials of Low-cost Reactive Media for the Passive Treatment of Circum-neutral Metal Mine Drainage in Mid-Wales, UK

Warrender, R.; Pearce, N. J. G.; Perkins, W. T.; Florence, K. M.; Brown, A. R.; Sapsford, D. J.; Bowell, R. J.; Dey, M. (2011-06-01)

This paper addresses the ability of five low-cost reactive materials to remove Zn, Pb, and Cd from Fe-poor, circum-neutral pH metal mine water in Mid-Wales, UK. Compost, fly ash, waste shell material, iron ochre, and a ...
Floodplain stages in the braided Ngaruroro River, New Zealand

Michaela; Judith K. (2011-06-21)

This study investigates floodplain deposits in the braided Ngaruroro River, New Zealand, to characterize and quantify the spatial extent of deposits at different stages of development. Using a sequence of aerial photography, ...
'Gendering the Scout Movement: What Kind of Citizen for What Kind of Country?

Mills, Sarah (2009)
Geophagy and the involuntary ingestion of soil

Abrahams, Peter W. (Elsevier, 2005)

This authoritative reference volume emphasizes the importance and interrelationships of geological processes to the health and diseases of humans and animals. Its accessible format fosters better communication between the ...
Global correlations of ocean ridge basalt chemistry with axial depth: A new perspective

Niu, Yaoling; O'Hara, Michael J. (2008-06-27)

The petrological parameters Na-8 and Fe-8, which are Na2O and FeO contents in mid-ocean ridge basalt (MORB) melts corrected for fractionation effects to MgO8wt, have been widely used as indicators of the extent and pressure ...
Holocene vegetation dynamics in Mediterranean Iberia: historical contingency and climate-human interactions

Finlayson, C.; Gil-Romera, Graciela; McClure, S.; Carrión, José S.; Schmich, S. (2009)

In this paper we illustrate how different internal and external forcings conditioned postglacial vegetation in southern Mediterranean areas. By comparing seven Holocene sequences, we emphasize the role of glacial refugia ...
In situ origin of the Caribbean: discussion of data

Keith H. (Geological Society of London, 2011-06-10)

Compiled and synthesized geological data suggest that the Caribbean Plate consists of dispersed continental basement blocks, wedges of ? Triassic-Jurassic clastic rocks, Jurassic-Late Cretaceous carbonate rocks, volcanic ...
The influence of wind-induced mixing on the vertical distribution of buoyant and sinking phytoplankton species

Moreno-Ostos, Enrique; Cruz-Pizarro, Luis; Basanta, Ana; George, D. Glen (2009-06-01)

In this study we exploit recent advances in high-resolution autonomous monitoring to investigate the impact of short-term variations in wind-induced mixing on the surface biomass and vertical distribution of buoyant and ...
The intake of lead and associated metals by sheep grazing mining-contaminated floodplain pastures in mid-Wales, UK: I. Soil ingestion, soil–metal partitioning and potential availability to pasture herbage and livestock

K. M.; Peter W.; M. P.; J. (2009-06-01)

This paper first evaluates the relative importance of the soil–plant–animal and soil–animal pathways of Zn, Cu and (especially) Pb investigated over a 15-month study period at 12 floodplain sites located within and downstream ...
Iron nutrition and possible lead toxicity: an appraisal of geophagy undertaken by pregnant women of UK Asian communities

Abrahams, Peter W. (2006-01)

A cultural transfer of geophagy is evident in the UK, with soils imported from Bengal being deliberately consumed mainly by pregnant Asian women. Two samples purchased from ethnic shops were subjected to a 2-part acid–alkaline ...
Islam and the rural landscape: discourses of absence in west Wales

Jones, Rhys D. (2011-11-08)

This paper explores the relationship between the presence and absence of Islamic communities in western Wales. Commencing with a discussion of the literatures on the geographies of Islam and rural exclusion, I argue that ...
The Jurassic bivalve genus Placunopsis: New evidence on anatomy and affinities

Jonathan A.; T. J. (2011-10-18)

The Jurassic bivalve genus Placunopsis Morris and Lycett, 1853 is shown to be an anomiid on account of the detailed anatomy of its hither-to unknown right valve and the corresponding musculature in the left valve. Herein ...
Laboratory studies using naturally occurring 'green rust' to aid metal mine water remediation

Bearcock, Jenny M.; Perkins, William T.; Pearce, Nicholas J. G. (2011-06-15)

Green rust, an Fe (II) and (III) oxyhydroxy salt, can alter the aqueous oxidation state, mobility and toxicity, of inorganic contaminants and thus could have applications in water treatment. This paper discusses a series ...
Late quaternary environmental changes in Patagonia as inferred from lacustrine fossil and extant ostracods

Cusminsky, Gabriela; Schwalb, Antje; Perez, Alejandra P.; Pineda, Daniela; Viehberg, Finn; Whatley, Robin C.; Markgraf, Vera; Gilli, Andrea; Ariztegui, Daniel; Anselmetti, Flavio S. (2011-07-05)

In the present study, we compare modern and Quaternary ostracods from two lacustrine basins: Laguna Cari-Laufquen (41 degrees S) and Lago Cardiel (49 degrees S) in Patagonia. Taxonomic and quantitative analyses along with ...
Making space for fish: the regional, network and fluid spaces of fisheries certification

Bear, Christopher (2008)

In this paper, we examine the multiple spatialities of Marine Stewardship Council (MSC) certifications. The MSC uses its ecolabelling scheme to promote sustainable fisheries management; its logo may be used on the products ...
Mineral magnetic properties of surface soils and sands across four North African transects and links to climatic gradients

Lyons, Richard; Oldfield, Frank; Williams, Earle (2010-08)

In light of their earlier success in characterizing and differentiating soils, sediments and atmospheric particulates, magnetic measurements were carried out on samples of North African surface soils and sands. The main ...
MORB mantle hosts the missing Eu (Sr, Nb, Ta and Ti) in the continental crust: New perspectives on crustal growth, crust-mantle differentiation and chemical structure of oceanic upper mantle

Niu, Yaoling; O'Hara, Michael J. (2011-09)

We have examined the high quality data of 306 mid-ocean ridge basalt (MORB) glass samples from the East Pacific Rise (EPR), near-EPR seamounts, Pacific Antarctic Ridge (PAR), near-PAR seamounts, Mid-Atlantic Ridge (MAR), ...
Mucky carrots and other proxies: problematising the knowledge-fix for sustainable and ethical consumption

Bear, Christopher (Elsevier, 2007)

This paper uses evidence from focus groups in England to consider how consumers think about and, more importantly, distinguish foods by both primary and secondary qualities, using both their own judgement but also advice ...
Mucky carrots and other proxies: Problematising the knowledge-fix for sustainable and ethical consumption

Eden, Sally; Bear, Christopher; Walker, Gordon (2008-03)

This paper uses evidence from focus groups in England to consider how consumers think about and, more importantly, distinguish foods by both primary and secondary qualities, using both their own judgement but also advice ...

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