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‘More Than Scaling-Up’: Sustainability Contexts, Competencies, And Consequences - A Critical Inquiry, Stephen Sterling, Paul Warwick, Wendy Miller, Harold Glasser, Marco Rieckmann Jan 2016

‘More Than Scaling-Up’: Sustainability Contexts, Competencies, And Consequences - A Critical Inquiry, Stephen Sterling, Paul Warwick, Wendy Miller, Harold Glasser, Marco Rieckmann

School of Health Professions

To identify and problematise the key issues characterising the relationship between global sustainability contexts and the limited response of HE to date - with the purpose of unlocking the potential for innovative, replicable efforts to develop sustainability competencies through innovation in curriculum policy and practice, through addressing these sub-aims:  How far does HE policy accommodate and reflect the need for sustainability competencies? How can capacity for teaching for competency be built and supported through new policies?  How can curricula and pedagogy be better aligned to facilitate the building of sustainability competency in learners and teachers?  What effect …

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War Machine: Media And Technology During Operation Allied Force, N Bobic Dec 2015

War Machine: Media And Technology During Operation Allied Force, N Bobic

School of Art, Design and Architecture

One significant aspect of military interventions is that violence in binary geographies, which have an implied colonial discourse (such as Serbia), often involve the dialectics of construction and erasure, meaning that absence and presence of destruction and violence run side by side. This paper investigates the ways that technology and media were instrumentalised in miniaturising evidence and reducing the visibility of destruction during NATO’s Operation Allied Force in Serbia and Kosovo. While the dominant NATO rhetoric behind the intervention was “humanitarian” with the Operation being deployed in the name of Western values and civilisation, this text puts forward an alternative …

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Micro-Determinants Of Income Inequality And Consumption In Rural Bangladesh, S Rahman Dec 2015

Micro-Determinants Of Income Inequality And Consumption In Rural Bangladesh, S Rahman

School of Engineering, Computing and Mathematics

The paper examines the extent to which household and regional characteristics influence income inequality and consumption/welfare based on an in-depth survey of 406 households from 21 villages in three regions of Bangladesh. Results show that the overall Gini coefficient for rural incomes is 0.43 but Gini-decomposition revealed that the contribution of mixed crop production to inequality is just 10 percent while “Green Revolution” technology contributes almost 29 percent. Land ownership, farm capital assets, modern irrigation, non-agricultural income, and household head”s education significantly increase consumption. Tenants and households with more dependents are doubly disadvantaged and consume significantly less. Regional factors also …

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The Effect Of Oil Sands Process-Affected Water And Model Naphthenic Acids On Photosynthesis And Growth In Emiliania Huxleyi And Chlorella Vulgaris., Jessica Beddow, Richard J. Johnson, Tracy Lawson, Mark N. Breckels, Richard J. Webster, Ben E. Smith, Steven J. Rowland, Corinne Whitby Dec 2015

The Effect Of Oil Sands Process-Affected Water And Model Naphthenic Acids On Photosynthesis And Growth In Emiliania Huxleyi And Chlorella Vulgaris., Jessica Beddow, Richard J. Johnson, Tracy Lawson, Mark N. Breckels, Richard J. Webster, Ben E. Smith, Steven J. Rowland, Corinne Whitby

More Faculty of Science and Engineering Research

Naphthenic acids (NAs) are among the most toxic organic pollutants present in oil sands process waters (OSPW) and enter marine and freshwater environments through natural and anthropogenic sources. We investigated the effects of the acid extractable organic (AEO) fraction of OSPW and individual surrogate NAs, on maximum photosynthetic efficiency of photosystem II (PSII) (FV/FM) and cell growth in Emiliania huxleyi and Chlorella vulgaris as representative marine and freshwater phytoplankton. Whilst FV/FM in E. huxleyi and C. vulgaris was not inhibited by AEO, exposure to two surrogate NAs: (4'-n-butylphenyl)-4-butanoic acid (n-BPBA) and (4'-tert-butylphenyl)-4-butanoic acid (tert-BPBA), caused complete inhibition of FV/FM in …

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From Warfare To Welfare: Veterans, Military Charities And The Blurred Spatiality Of Post-Service Welfare In The United Kingdom, Agatha Herman, Richard Yarwood Dec 2015

From Warfare To Welfare: Veterans, Military Charities And The Blurred Spatiality Of Post-Service Welfare In The United Kingdom, Agatha Herman, Richard Yarwood

School of Geography, Earth and Environmental Sciences

The military offers a form of welfare-for-work but when personnel leave they lose this safety net, a loss exacerbated by the rollback neoliberalism of the contemporary welfare state. Increasingly the third sector has stepped in to address veterans’ welfare needs through operating within and across military/civilian and state/market/community spaces and cultures. In this paper we use both veterans’ and military charities’ experiences to analyse the complex politics that govern the liminal boundary zone of post-military welfare. Through exploring ‘crossing’ and ‘bridging’ we conceptualise military charities as ‘boundary subjects’, active yet dependent on the continuation of the civilian-military binary, and argue …

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Standardised Testing In Compulsory Schooling In England And Denmark: A Comparative Study And Analysis, K Andreasen, P Kelly, K Kousholt, E Mcness, C Ydesen Dec 2015

Standardised Testing In Compulsory Schooling In England And Denmark: A Comparative Study And Analysis, K Andreasen, P Kelly, K Kousholt, E Mcness, C Ydesen

Plymouth Institute of Education

Within education, national testing is flourishing and, considering the important role which assessment plays in the production and reproduction of culture, it is important to examine further the possible impact of such practice. While England has a long tradition of national educational testing, Denmark, in contrast, has only recently introduced such tests. Thus the two countries present excellent cases for comparison and analysis in order to gain knowledge about the possible consequences of such testing schemes on pedagogy and the content of the school curriculum, as well as the impact they may have on pupils' perceptions of their potential academic …

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Exploring The Potential To Improve Energy Saving And Energy Efficiency Using Fertilizer Deep Placement Strategy In Modern Rice Production In Bangladesh, S Rahman, Bk Barmon Dec 2015

Exploring The Potential To Improve Energy Saving And Energy Efficiency Using Fertilizer Deep Placement Strategy In Modern Rice Production In Bangladesh, S Rahman, Bk Barmon

School of Geography, Earth and Environmental Sciences

Nitrogen (N) fertilizer plays an important role in modern rice production and is required in large amount because it is the most limited nutrient as well. The fertilizer deep placement (FDP) strategy is developed to improve efficiency of N fertilizer use and rice productivity. The present study estimates the extent of energy saving, productivity and efficiency impacts of FDP strategy in modern rice cultivation at the farm level in Bangladesh using a stochastic production frontier approach. A total sample of 200 rice farmers (100 FDP users and 100 conventional urea users) from a village of Jessore District is utilized. Results …

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Agroecological, Climatic, Land Elevation And Socio-Economic Determinants Of Pesticide Use At The Farm Level In Bangladesh, S Rahman Dec 2015

Agroecological, Climatic, Land Elevation And Socio-Economic Determinants Of Pesticide Use At The Farm Level In Bangladesh, S Rahman

School of Geography, Earth and Environmental Sciences

This study examines the influence of agroecology, climate, land elevation and socio-economic factors on pesticide use at the farm level using a large survey data of 2083 farms from 17 districts covering 10 agroecological zones in Bangladesh by applying a Tobit model. Overall, 75.4% of farmers used pesticides in any one crop. Within the pesticide users, pesticide use rate is highest in oilseed production estimated at BDT 2508.6ha−1 (3.74% of gross output value) followed by jute at BDT 1976.1ha−1 (1.88% of gross output value). Pesticide use is significantly lower in floodplain agroecologies, high rainfall areas, high land and low land …

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A Palaeoclimatic Reconstruction Of The Cadair Idris Area Of Snowdonia, Using Geomorphological Evidence From Younger Dryas Cirque Glaciers, Bethany Radbourne Dec 2015

A Palaeoclimatic Reconstruction Of The Cadair Idris Area Of Snowdonia, Using Geomorphological Evidence From Younger Dryas Cirque Glaciers, Bethany Radbourne

The Plymouth Student Scientist

The importance of glacier reconstruction lies in the empirical relationship between glacier mass balance and climate. Small glaciers are particularly sensitive to changes in temperature and precipitation, thus the reconstruction of small palaeoglaciers can provide an understanding of past climatic changes in an area. This study conducts glacier and palaeoclimatic reconstructions for four potential palaeoglaciers at Cadair Idris, southern Snowdonia. Three of these are assigned a Younger Dryas age by referring to published literature, and the fourth is assumed to have existed during an earlier glaciation, possibly reflecting deglaciation from the Last Glacial Maximum (LGM). Schmidt Hammer relative age dating …

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The Association Of Microstructural Connectivity In The Brain And Auditory Modulation Of Representational Momentum, Emma Theobald Dec 2015

The Association Of Microstructural Connectivity In The Brain And Auditory Modulation Of Representational Momentum, Emma Theobald

The Plymouth Student Scientist

Perceived displacement from an object’s forward trajectory results in a representational momentum (RM) effect. In a behavioural task, participants watched a video of an actor reaching for/withdrawing from an object after hearing ‘I’ll take it’ or ‘I’ll leave it’, which was either congruent or incongruent with the subsequent action witnessed. The knowledge of other people’s intentions through auditory cues and then the predictions of their actions have been found to create an effect on the strength of RM experienced. The degree to which this auditory information affects the RM effect differs for each individual. This variation could, at least partially, …

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Identification Of Paleo Arctic Winter Sea Ice Limits And The Marginal Ice Zone: Optimised Biomarker-Based Reconstructions Of Late Quaternary Arctic Sea Ice, Simon T. Belt, Patricia Cabedo-Sanz, Lukas Smik, Alba Navarro-Rodriguez, Sarah M.P. Berben, Jochen Knies, Katrine Husum Dec 2015

Identification Of Paleo Arctic Winter Sea Ice Limits And The Marginal Ice Zone: Optimised Biomarker-Based Reconstructions Of Late Quaternary Arctic Sea Ice, Simon T. Belt, Patricia Cabedo-Sanz, Lukas Smik, Alba Navarro-Rodriguez, Sarah M.P. Berben, Jochen Knies, Katrine Husum

School of Geography, Earth and Environmental Sciences

No abstract provided.

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Speculative Somatics, Ds Maranan Dec 2015

Speculative Somatics, Ds Maranan

School of Art, Design and Architecture

Based on a presentation at The Undivided Mind conference at Plymouth University, this article sketches out speculative applications of somatics, the first person, phenomenological study of sensation, perception and movement. I first introduce the subject of somatics through an experiential exercise for the reader before summarizing theoretical aspects of somatic study. Drawing from the literature in embodied cognition and from personal recollections of embodied experiences, I propose how somatic approaches could potentially be used in working with immigrant communities, living in outer space, and empathizing with non-human animals.

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The Impact Of Tertiary Wastewater Treatment On Copper And Zinc Complexation, C. Constantino, M. Gardner, S. D.W. Comber, M. D. Scrimshaw, B. Ellor Nov 2015

The Impact Of Tertiary Wastewater Treatment On Copper And Zinc Complexation, C. Constantino, M. Gardner, S. D.W. Comber, M. D. Scrimshaw, B. Ellor

School of Geography, Earth and Environmental Sciences

No abstract provided.

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Hyperdominance In Amazonian Forest Carbon Cycling, Sophie Fauset, Michelle O. Johnson, Manuel Gloor, Timothy R. Baker, M. A Monteagudo, Roel J.W. Brienen, Ted R. Feldpausch, Gabriela Lopez-Gonzalez, Yadvinder Malhi, Steege H Ter, Nigel C.A. Pitman, Christopher Baraloto, Julien Engel, Pascal Pétronelli, Ana Andrade, José Luís C. Camargo, Sgw Laurance, Wf Laurance, Jerôme Chave, Elodie Allie, Percy Núñez Vargas, John W. Terborgh, Kalle Ruokolainen, Marcos Silveira, C. Ga Aymard, Luzmila Arroyo, Damien Bonal, Hirma Ramirez-Angulo, Alejandro Araujo-Murakami, David Neill, Bruno Hérault, Aurélie Dourdain, Armando Torres-Lezama, Beatriz S. Marimon, Rafael P. Salomão, James A. Comiskey, Maxime Réjou-Méchain, Marisol Toledo, Juan Carlos Licona, Alfredo Alarcón, Adriana Prieto, Agustín Rudas, Der Meer Pj Van, Timothy J. Killeen, Beatriz S. Marimon, Lourens Poorter, Rene G.A. Boot, Basil Stergios, Emilio Vilanova Torre, Flávia R.C. Costa, Carolina Levis, Juliana Schietti, Priscila Souza, Nikée Groot, Eric Arets, Victor Chama Moscoso, Wendeson Castro, Euridice N.Honorio Coronado, Marielos Peña-Claros, Clement Stahl, Jorcely Barroso, Joey Talbot, Icg Vieira, Der Heijden G Van, Raquel Thomas, Vincent A. Vos, Everton C. Almeida, Esteban Álvarez Davila, Luiz E.O.C. Aragão, Terry L. Erwin, Paulo S. Morandi, Oliveira Ea De, Marco B.X. Valadão, Roderick J. Zagt, Der Hout P Van, Patricia Alvarez Loayza, John J. Pipoly, Ophelia Wang, Miguel Alexiades, Carlos E. Cerón, Isau Huamantupa-Chuquimaco, Fiore A Di Nov 2015

Hyperdominance In Amazonian Forest Carbon Cycling, Sophie Fauset, Michelle O. Johnson, Manuel Gloor, Timothy R. Baker, M. A Monteagudo, Roel J.W. Brienen, Ted R. Feldpausch, Gabriela Lopez-Gonzalez, Yadvinder Malhi, Steege H Ter, Nigel C.A. Pitman, Christopher Baraloto, Julien Engel, Pascal Pétronelli, Ana Andrade, José Luís C. Camargo, Sgw Laurance, Wf Laurance, Jerôme Chave, Elodie Allie, Percy Núñez Vargas, John W. Terborgh, Kalle Ruokolainen, Marcos Silveira, C. Ga Aymard, Luzmila Arroyo, Damien Bonal, Hirma Ramirez-Angulo, Alejandro Araujo-Murakami, David Neill, Bruno Hérault, Aurélie Dourdain, Armando Torres-Lezama, Beatriz S. Marimon, Rafael P. Salomão, James A. Comiskey, Maxime Réjou-Méchain, Marisol Toledo, Juan Carlos Licona, Alfredo Alarcón, Adriana Prieto, Agustín Rudas, Der Meer Pj Van, Timothy J. Killeen, Beatriz S. Marimon, Lourens Poorter, Rene G.A. Boot, Basil Stergios, Emilio Vilanova Torre, Flávia R.C. Costa, Carolina Levis, Juliana Schietti, Priscila Souza, Nikée Groot, Eric Arets, Victor Chama Moscoso, Wendeson Castro, Euridice N.Honorio Coronado, Marielos Peña-Claros, Clement Stahl, Jorcely Barroso, Joey Talbot, Icg Vieira, Der Heijden G Van, Raquel Thomas, Vincent A. Vos, Everton C. Almeida, Esteban Álvarez Davila, Luiz E.O.C. Aragão, Terry L. Erwin, Paulo S. Morandi, Oliveira Ea De, Marco B.X. Valadão, Roderick J. Zagt, Der Hout P Van, Patricia Alvarez Loayza, John J. Pipoly, Ophelia Wang, Miguel Alexiades, Carlos E. Cerón, Isau Huamantupa-Chuquimaco, Fiore A Di

School of Geography, Earth and Environmental Sciences

Abstract While Amazonian forests are extraordinarily diverse, the abundance of trees is skewed strongly towards relatively few ‘hyperdominant’ species. In addition to their diversity, Amazonian trees are a key component of the global carbon cycle, assimilating and storing more carbon than any other ecosystem on Earth. Here we ask, using a unique data set of 530 forest plots, if the functions of storing and producing woody carbon are concentrated in a small number of tree species, whether the most abundant species also dominate carbon cycling, and whether dominant species are characterized by specific functional traits. We find that dominance of …

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Geography Of Crime, Rb Yarwood Nov 2015

Geography Of Crime, Rb Yarwood

School of Geography, Earth and Environmental Sciences

No abstract provided.

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The Role Of Transnational Networking For Higher Education Academics, Kelly Wakefield, Harriet Dismore Nov 2015

The Role Of Transnational Networking For Higher Education Academics, Kelly Wakefield, Harriet Dismore

Plymouth Institute of Education

No abstract provided.

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Economic Drivers Of Contemporary Smallholder Agriculture In A Transitional Economy: A Case Study Of Hu Village From Southwest China, Z Hu, S Rahman Nov 2015

Economic Drivers Of Contemporary Smallholder Agriculture In A Transitional Economy: A Case Study Of Hu Village From Southwest China, Z Hu, S Rahman

School of Geography, Earth and Environmental Sciences

Based on an in-depth case study of a rural community, this paper documents the contemporary state of Chinese smallholder agriculture and the changes that it has been experiencing in the context of dramatic socio-economic transition through the lens of three main economic drivers: livelihood diversification, market conditions and government interventions. Results reveal that the change in Chinese smallholder agriculture has been complex and multidimensional. All three factors exert profound influence and shape the current state of Chinese agriculture. Massive rural-urban migration has resulted in labour shortages, which in turn have led to a reduction in agricultural diversity and land use …

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‘I Already Know The City, I Don’T Have To Explore It’: Adjustments To ‘Sense Of Place’ For ‘Local’ Uk University Students, Mark Holton Nov 2015

‘I Already Know The City, I Don’T Have To Explore It’: Adjustments To ‘Sense Of Place’ For ‘Local’ Uk University Students, Mark Holton

School of Geography, Earth and Environmental Sciences

Recent conceptualisations of place have sought to reconsider place as being the sedentary equivalent to mobility, instead recognising its dynamism and its potential for evoking powerful emotional responses. These notions hold particular resonance in the realm of higher education, with discussions emerging of the important influence place may hold for students as they progress through university.Although this has been recognised from the perspective of ‘mobile’ students, what is less clear is how these notions of placemight influence the trajectories of ‘local’ students, specifically how feelings of place disruption or identity dislocation might spill out into their non-student lives and their …

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The University As A Site For Transformation Around Sustainability, J Winter, D Cotton, P Hopkinson, V Grant Oct 2015

The University As A Site For Transformation Around Sustainability, J Winter, D Cotton, P Hopkinson, V Grant

Plymouth Institute of Education

Education for Sustainable Development (ESD) has emerged in response to the negative consequences of economic and industrial processes. These issues are highly complex and their mitigation suggests social and economic transformation underpinned by a paradigm shift in favour of sustainability. Higher Education (HE) plays a crucial role in ESD; however there is little research which has investigated the links between transformative learning theories and ESD. This paper reports on research which explored academic and student perceptions of opportunities for transformation around sustainability in two UK universities. The findings suggest that, despite shared understanding about the nature of pedagogic approaches that …

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Characterisation, Quantity And Sorptive Properties Of Microplastics Extracted From Cosmetics, Imogen E. Napper, Adil Bakir, Steven J. Rowland, Richard C. Thompson Oct 2015

Characterisation, Quantity And Sorptive Properties Of Microplastics Extracted From Cosmetics, Imogen E. Napper, Adil Bakir, Steven J. Rowland, Richard C. Thompson

School of Geography, Earth and Environmental Sciences

Cosmetic products, such as facial scrubs, have been identified as potentially important primary sources of microplastics to the marine environment. This study characterises, quantifies and then investigates the sorptive properties of plastic microbeads that are used as exfoliants in cosmetics. Polyethylene microbeads were extracted from several products, and shown to have a wide size range (mean diameters between 164 and 327μm). We estimated that between 4594 and 94,500 microbeads could be released in a single use. To examine the potential for microbeads to accumulate and transport chemicals they were exposed to a binary mixture of 3H-phenanthrene and 14C-DDT …

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Regional Variation In The Continuity Of Land-Use Patterns Through The First Millennium A.D. In Lowland Britain, S Rippon, Rm Fyfe Oct 2015

Regional Variation In The Continuity Of Land-Use Patterns Through The First Millennium A.D. In Lowland Britain, S Rippon, Rm Fyfe

School of Geography, Earth and Environmental Sciences

No abstract provided.

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Engaging With And Moving On From Participatory Research: A Personal Reflection, Cath Gristy Oct 2015

Engaging With And Moving On From Participatory Research: A Personal Reflection, Cath Gristy

Plymouth Institute of Education

No abstract provided.

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Integrated Use Of Lidar And Multibeam Bathymetry Reveals Onset Of Ice Streaming In The Northern Bothnian Sea, Sl Greenwood, Cc Clason, H Mikko, Et Al Oct 2015

Integrated Use Of Lidar And Multibeam Bathymetry Reveals Onset Of Ice Streaming In The Northern Bothnian Sea, Sl Greenwood, Cc Clason, H Mikko, Et Al

School of Geography, Earth and Environmental Sciences

Geomorphological mapping from the new LiDAR (Light Detection and Ranging)-derived digital elevation model for Sweden and a high-resolution multibeam bathymetry data-set for the Gulf of Bothnia reveals a continuous system of glacial landforms crossing the transition between the modern terrestrial and marine environments. A palaeo-ice stream in the northern Bothnian Sea is reconstructed, with an onset tributary over the present-day Ångermanland–Västerbotten coastline. Systematic contrasts in landform morphology and lineation length indicate that this ice stream comprised a relatively narrow (~40 km) corridor of fast flow, flowing first SW then S, and likely fed by converging flow around the upper Bothnian …

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Determination Of The Forms And Stability Of Phosphorus In Wastewater Effluent From A Variety Of Treatment Processes, Sean Comber, Mike Gardner, Jana Darmovzalova, Brian Ellor Oct 2015

Determination Of The Forms And Stability Of Phosphorus In Wastewater Effluent From A Variety Of Treatment Processes, Sean Comber, Mike Gardner, Jana Darmovzalova, Brian Ellor

School of Geography, Earth and Environmental Sciences

Eutrophication of surface waters is a major issue across the planet, with diffuse (agricultural) and point sources (wastewater treatment works, WwTW) being the main inputs. In the UK WwTW effluent discharges are currently permitted for discharge based on total phosphorus concentration, whereas environmental quality standards (EQS) are set as soluble reactive phosphorus (SRP), which better reflects the bioavailable fraction of phosphorus present in water. This study reports for the first time, concentrations and relative proportions of SRP in effluent from a number of different WwTW employing aluminium and iron dosing for phosphorus removal. In the case of aluminium treatment, SRP …

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Determination And Evaluation Of Element Bioaccessibility In Some Nuts And Seeds By In-Vitro Gastro-Intestinal Method, Burcu Kafaoglu, Andrew Fisher, Steve Hill, Derya Kara Sep 2015

Determination And Evaluation Of Element Bioaccessibility In Some Nuts And Seeds By In-Vitro Gastro-Intestinal Method, Burcu Kafaoglu, Andrew Fisher, Steve Hill, Derya Kara

School of Geography, Earth and Environmental Sciences

Element bioaccessibility in some nuts and seeds has been determined by performing a physiologically based extraction test. Nine elements (B, Ca, Co, Cu, Fe, Mn, Mg, Ni and Zn) in gastric and intestinal phase extractions of nuts and seeds were determined using inductively coupled plasma-atomic emission spectrometry and inductively coupled plasma-mass spectrometry. Hazelnuts, almonds, sunflower seeds, peanuts, cashew nuts, Brazil nuts, walnuts, chickpeas, pumpkin seeds and pistachio nuts were used as the materials in this study. The bioaccessible portions of magnesium and calcium were higher than for the other elements whereas B bioaccessibility was the lowest for each of the …

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Combined Uncertainty Estimation For The Determination Of The Dissolved Iron Amount Content In Seawater Using Flow Injection With Chemiluminescence Detection, Geerke H. Floor, Robert Clough, Maeve C. Lohan, Simon J. Ussher, Paul J. Worsfold, Cr Quetel Sep 2015

Combined Uncertainty Estimation For The Determination Of The Dissolved Iron Amount Content In Seawater Using Flow Injection With Chemiluminescence Detection, Geerke H. Floor, Robert Clough, Maeve C. Lohan, Simon J. Ussher, Paul J. Worsfold, Cr Quetel

School of Geography, Earth and Environmental Sciences

No abstract provided.

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Cornish Self-Determination: A Semiotic Analysis Of Political Cartooning, Jf Tredinnick-Rowe, S Khanwalkar Sep 2015

Cornish Self-Determination: A Semiotic Analysis Of Political Cartooning, Jf Tredinnick-Rowe, S Khanwalkar

Peninsula Medical School

No abstract provided.

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Characterization Of Leucetta Prolifera, A Calcarean Cyanosponge From South-Western Australia, And Its Symbionts, J Fromont, Mj Huggett, Sk Lengger, K Grice, Chl Schönberg Sep 2015

Characterization Of Leucetta Prolifera, A Calcarean Cyanosponge From South-Western Australia, And Its Symbionts, J Fromont, Mj Huggett, Sk Lengger, K Grice, Chl Schönberg

School of Geography, Earth and Environmental Sciences

The biology and ecology of calcarean sponges are not as well understood as they are for demosponges. Here, in order to gain new insights, particularly about symbiotic relationships, the calcarean sponge Leucetta prolifera was sampled from south-western Australia and examined for its assumed photosymbionts. Pulse amplitude modulated fluorometry and extraction of photopigments established that the sponge was photosynthetic. Molecular analysis of the bacterial symbionts via sequencing of the V1–V3 region of the 16S rDNA gene confirmed that between 5 and 22% of all sequences belonged to the phylum Cyanobacteria, depending on the individual sample, with the most dominant strain aligning …

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Mapping The Stray Domestic Cat (Felis Catus) Population In New Zealand: Species Distribution Modelling With A Climate Change Scenario And Implications For Protected Areas, Gd Aguilar, Mj Farnworth, L Winder Sep 2015

Mapping The Stray Domestic Cat (Felis Catus) Population In New Zealand: Species Distribution Modelling With A Climate Change Scenario And Implications For Protected Areas, Gd Aguilar, Mj Farnworth, L Winder

School of Biological and Marine Sciences

Species distribution models of stray cats were developed using two types of occurrence data: (i) a combined dataset of stray cats and cat colonies in Auckland and projected to the wider New Zealand area; and (ii) population density as an analogue for country-wide stray cat occurrence. These occurrence data, together with sets of environmental variables were used as input to the Maxent modelling tool to produce maps of suitability for the species. Environmental variables used in the models consist of current bioclimatic conditions, and a future climate scenario (RCP8.5 for year 2070 CCSM model). Commonly occurring bias in the modelling …

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The Molybdenum Blue Reaction For The Determination Of Orthophosphate Revisited: Opening The Black Box, Edward A. Nagul, Ian D. Mckelvie, Paul Worsfold, Spas D. Kolev Aug 2015

The Molybdenum Blue Reaction For The Determination Of Orthophosphate Revisited: Opening The Black Box, Edward A. Nagul, Ian D. Mckelvie, Paul Worsfold, Spas D. Kolev

School of Geography, Earth and Environmental Sciences

The molybdenum blue reaction, used predominantly for the determination of orthophosphate in environmental waters, has been perpetually modified and re-optimised over the years, but this important reaction in analytical chemistry is usually treated as something of a 'black box' in the analytical literature. A large number of papers describe a wide variety of reaction conditions and apparently different products (as determined by UV–visible spectroscopy) but a discussion of the chemistry underlying this behaviour is often addressed superficially or not at all. This review aims to rationalise the findings of the many 'optimised' molybdenum blue methods in the literature, mainly for …

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