272 Works

Soil dates using radiocarbon in profiles from permafrost in subarctic Canada

C. Estop-Aragones, J.P. Fisher, M.A. Cooper, A. Thierry, R. Treharne, J.B. Murton, G.K. Phoenix, D.J. Charman, M. Williams & I.P. Hartley
This dataset consists of soil dates determined using radiocarbon in profiles from permafrost in subarctic Canada. Depth-specific soil core samples were dated using radiocarbon. Soil cores were sampled during early summer in 2013 and 2014. Each year soil cores were sampled from a peatland plateau, thawing features of the peatland plateau, unburnt and burnt black spruce forests, and additional sites in Yukon and Northwest Territories.

Causal diagrams linking rural well-being with forest ecosystem services in Mozambique (2014 and 2015)

P. Zorrilla-Miras, J. Matediane, M. Mahamane, I. Nhantumbo, R. Varela, M.J. Metzger & G. Patenaude
Data comprise causal diagrams which show links between aspects that influence the well-being of rural inhabitants (e.g. good quality of food, good family relationships, education, etc) with ecosystem services (e.g. food from trees, wood sticks for construction, firewood, wood for charcoal production, etc.) and their causes (e.g. change in land use) in rural Mozambique. Information was gathered at 20 workshops held in Maputo, Xai Xai, Lichinga, Quelimane, and at village level in the districts of...

Structure and composition of woodlands across Mozambique

E. Woollen, C.M. Ryan, O. Nhaduco, I.A. Daude, A.A. Manguiao, A.A. Da Costa, S.N. Lisboa, J.F. Junior, L. Mutemba, A. Pais, M. Zavale, S. Cumbula, H. Xerinda, H. Buque, D. Meneses, C. Rodrigues, A.M. Mário, N. Ribeiro, L.P. Domingos, A. Mbandze, R. Stedham & P. Jennings
This dataset contains quantitative measurements of woodland structure and composition sampled in twenty-seven different villages across three Districts in Mozambique, Africa. Data were collected from 431 plots where tree stem structure and composition, litter and grass biomass, coarse woody debris, and canopy cover data were recorded. Woodlands within seven villages in Mabalane District, Gaza Province, ten villages in Marrupa District, Niassa Province, and ten villages in Gurue District Zambezia Province were sampled. Data were collected...

Tsetse trypanosome and endosymbiont data from Hurungwe District, Zimbabwe (2016)

M. Goodwin, F. Webber, L.C. Hamill, N.E. Anderson, W. Shereni, L. Nyakupinda, L.F. Gwenhure & E. Macleod
The data set includes the results of a laboratory analysis in 2016, investigating the presence of trypanosomes and prevalence of tsetse endosymbionts in tsetse flies. The tsetse flies were sampled in Hurungwe District, Mashonaland West Province, Zimbabwe, from February 2014 to November 2014. Flies were sampled using a combination of Epsilon traps and fly rounds, both established techniques for sampling tsetse. Tsetse were stored prior to laboratory analysis using Polymerase chain reaction (PCR) techniques in...

Household composition, income and assets survey data (including environmental product collection) from Mabalane, Gurue and Marrupa districts, Mozambique in 2014 and 2015

F. Vollmer, J. Fisher, C.M. Ryan, S. Baumert, E. Woollen, A. Luz, I. Cossa, R. Stedham & H. Smith
This dataset includes data collected as part of the Abrupt Changes in Ecosystem Services (ACES) project on the composition, income (including consumption and sale of environmental resources), ownership of assets (e.g. farming equipment, household furnishings and own transport) and wellbeing of respondent households in rural Mozambique. Data are also included from a participatory wealth ranking exercise carried out in each village. Data were collected in a total of 27 villages: 7 villages in Mabalane District...

Rural smallholder agricultural field management surveys across Mozambique

E. Woollen, C.M. Ryan, O. Nhaduco, A.A. Da Costa, C. Rodrigues, F. Armando, S. Baumert & P. Zorilla-Miras
This dataset comprises 259 smallholder agricultural field surveys collected from twenty-six villages across three Districts in Mozambique, Africa. Surveys were conducted in ten fields in each of six villages in Mabalane District, Gaza Province, ten villages in Marrupa District, Niassa Province, and ten villages in Gurue District, Zambezia Province. Data were collected in Mabalane between May-Sep 2014, Marrupa between May-Aug 2015, and Gurue between Sep-Dec 2015. Fields were selected based on their age, location, and...

Local tree names, uses and species identification in Mozambique

E. Woollen, I Grundy, A. Bechel, C.M. Ryan, O. Nhaduco, I.A. Daude, A.A. Manguiao, A.A. Da Costa, S.N. Lisboa, J.F. Junior, L. Mutemba, A. Pais, M. Zavale, S. Cumbula, H. Xerinda, H. Buque, D. Meneses, C. Rodrigues, A.M. Mário, N. Ribeiro, L.P. Domingos, A. Mbandze, F. Armando & P. Jennings
The dataset includes lists of local tree names, tree species identification and local uses of trees in seventeen different villages across three Districts in Mozambique, Africa. We collated species lists from seven villages in Mabalane District, Gaza Province, ten villages in Marrupa District, Niassa Province, and ten villages in Gurue District Zambezia Province. Data were collected in Mabalane between May-Sep 2014, Marrupa between May-Aug 2015, and Gurue between Sep-Dec 2015. Lists of local tree names...

Woody biomass maps of Mabalane, Gurue, and Maruppa, Mozambique

C. Ryan & I. McNicol
The data consist of woody biomass maps of three study areas - Mabalane, Gurue, and Maruppa in Mozambique. Each area map comprises three Geotiff layers stacked in the order band 1= 2007, band 2 = 2010, band 3 = 2014. Each pixel is an aboveground woody biomass in tonnes of carbon per hectare (ha). For the biomass maps -18.00000 means no data. Due to noise, it is possible to have negative biomass estimates. Individual layers...

Measurements of respiration and microbial assimilation of carbon substrates and priming of soil organic matter mineralisation in tropical lowland and montane forest soils

J. Whitaker, N. Ostle, N. McNamara, A.T. Nottingham, A.W. Stott, R.D. Bardgett, N. Salinas, A.J.Q. Ccahuana & P. Meir
This dataset includes measurements of microbial community composition by phospholipid fatty acid (PLFA) analysis, soil respiration (Carbon dioxide (CO2)), soil physico-chemical properties and 13C enrichment in CO2 samples and microbial Phospholipid Fatty Acids (PLFAs). Data were produced for an investigation of the effects of carbon (C) substrate addition on soil carbon cycling processes in ten tropical soils from the Peruvian Andes. Soils were amended with 13C labelled substrates (xylose, glycine, vanillin and hemicellulose) and incubated...

Static chamber measurements of nitrous oxide flux from Sourhope field experiment site, Scotland, 2000-2001 [NERC Soil Biodiversity Programme]

C.A. Davies & U. Skiba
The dataset comprises nitrous oxide (N2O) flux data, collected from static chambers as part of a study to determine how land management affected nitrogen cycling by nitrifiers and denitrifiers in an upland agricultural grassland soil and to determine the effects of changing environmental conditions on nitric and nitrous oxide production and emission as a result of land management. Data were collected during a project funded under the NERC Soil Biodiversity Programme, established in 1999 and...

The seed set of Eschscholzia californica plants introduced into habitats comprising different floral cover

T.M. Evans, M.S. Heard, A.J. Vanbergen, S. Cavers & R. Ennos
This dataset contains seed counts of Eschscholzia californica plants introduced to form experimental arrays within habitats comprising different floral cover. Data was collected in June 2015 at the Hillesden estate, Buckinghamshire, UK. Experimental arrays comprised of three E.californica plants separated by 1m and arranged in a triangular formation. A total of sixteen arrays were introduced across four 100 hectare replicate blocks, each separated by >500m. At the centre of each block, four experimental arrays were...

Paternity of Eschscholzia californica plants introduced to habitats comprising different floral cover

T.M. Evans, M.S. Heard, A.J. Vanbergen, S. Cavers & R. Ennos
This dataset details the paternity of progeny from Eschscholzia californica plants introduced to habitats comprising different floral cover. Data was collected in June 2015 at the Hillesden estate, Buckinghamshire, UK. Plants were genotyped at seven microsatellite markers before being introduced across the study site to form experimental arrays. Experimental arrays comprised of three E.californica plants separated by 1m and arranged in a triangular formation. A total of sixteen arrays were introduced across four 100 hectare...

River Tay, Scotland, water chemistry and greenhouse gas measurements 2009-2010

A.E. Pickard, U.M. Skiba, L. Carvalho, K.V. Heal, R.M. Rees & J.F. Harley
This dataset contains concentrations of dissolved organic carbon, dissolved inorganic carbon, nutrients and concentrations of greenhouse gases CO2, CH4 and N2O from nine sites across the River Tay catchment. Water was sampled on a monthly basis between February 2009 and December 2010. The locations of sampling sites were based on existing flow gauging and water sampling sites of the Scottish Environment Protection Agency (SEPA).

The seed set of supplemented and pollinator exposed flowers from Eschscholzia californica plants located within habitats comprising different floral cover

T.M. Evans, M.S. Heard, A.J. Vanbergen, S. Cavers & R. Ennos
This dataset details the number of seeds produced by pollinator exposed and supplemented Eschscholzia californica plants introduced to habitats comprising different floral cover. Data was collected in June 2015 at the Hillesden estate, Buckinghamshire, UK. Experimental arrays were introduced across the study site. Arrays comprised of three E.californica plants separated by 1m and arranged in a triangular formation. A total of sixteen arrays were introduced across four 100ha replicate blocks, each separated by >500m. At...

The germination rates of seeds from Eschscholzia californica plants located within habitats comprising habitats with different floral cover

T.M. Evans, M.S. Heard, A.J. Vanbergen, S. Cavers & R. Ennos
This dataset details the germination rates of seeds from Eschscholzia californica plants introduced to habitats comprising different floral cover. Data was collected in June 2015 at the Hillesden estate, Buckinghamshire, UK. Experimental arrays were introduced across the study site, Arrays comprised of three E.californica plants separated by 1m and arranged in a triangular formation. A total of sixteen arrays were introduced across four 100ha replicate blocks, each separated by >500m. At the centre of each...

What Clients Want: A Conjoint Analysis of Precursors to Coach Selection

Céline Rojon, Nicole Bode & Almuth McDowall
This study investigated individuals’ preference structures for workplace coaching providers. Guided by questions about relative weightings of seven important coach(ing) characteristics (i.e., coach work experience/background/gender; coaching training; personal recommendations; client feedback; coaching cost), we carried out a conjoint analysis, using a mixed occupational sample (N = 383). In addition, we conducted linear regression analyses to determine the extent to which coaches’ perceived competence, likeability and trustworthiness might impact on individuals’ decision-making processes. Potential coachees favoured...

Fitness traits of experimentally selfed and outcrossed Eschscholzia californica plants

T.M. Evans, M.S. Heard, A.J. Vanbergen, S. Cavers & R Ennos
This dataset contains measures of fitness traits from Eschscholzia californica progeny which were experimentally supplemented with selfed or outcrossed pollen to determine the effects of self-fertilisation on a plant which has a low propensity to self. A glasshouse experiment was conducted using 40 plants. On each plant two flowers were emasculated and the first supplemented with outcrossed pollen and the second with self-pollen. From each supplemented plant, a seed was sowed from the outcrossed fruit...

Quality-quantity tradeoffs drive functional trait evolution in a model microalgal “climate change winner”

Sinead Collins & Rasumus Lindberg
Phytoplankton are the unicellular photosynthetic microbes that form the base of aquatic ecosystems, and their responses to global change will impact everything from food web dynamics to global nutrient cycles. Some taxa respond to environmental change by increasing population growth rates in the short-term, and are projected to increase in frequency over decades. To gain insight into how these projected “climate change winners” evolve, we grew populations of microalgae in ameliorated environments for several hundred...

Maternity uncertainty in cobreeding beetles: females lay more and larger eggs and provide less care

Jon Richardson & Per Smiseth
Cobreeding, which occurs when multiple females breed together, is likely to be associated with uncertainty over maternity of offspring in the joint brood, preventing females from directing resources towards their own offspring. Cobreeding females may respond to such uncertainty by shifting their investment towards the stages of offspring development when they are certain of maternity and away from those stages where uncertainty is greater. Here we examined how uncertainty of maternity influences investment decisions of...

Data from: Whole-chromosome hitchhiking driven by a male-killing endosymbiont

Simon Martin, Kumar Singh, Ian Gordon, Kennedy Omufwoko, Steve Collins, Ian Warren, Hannah Munby, Oskar Brattström, Walther Traut, Dino Martins, David Smith, Chris Jiggins, Chris Bass & Richard French-Constant
Neo-sex chromosomes are found in many taxa, but the forces driving their emergence and spread are poorly understood. The female-specific neo-W chromosome of the African monarch (or queen) butterfly Danaus chrysippus presents an intriguing case study because it is restricted to a single ‘contact zone’ population, involves a putative colour patterning supergene, and co-occurs with infection by the the male-killing endosymbiont Spiroplasma. We investigated the origin and evolution of this system using whole genome sequencing....

Data from: Preserved collagen reveals species identity in archaeological marine turtle bones from Caribbean and Florida sites

Michael Buckley, Virginia L. Harvey, Michelle J. LeFebvre, Susan D. DeFrance, Casper Toftgaard & Andrew C. Kitchener
Advancements in molecular science are continually improving our understanding of marine turtle biology and evolution. However, there are still considerable gaps in our understanding, such as past marine turtle distributions, which can benefit from advanced zooarchaeological analyses. Here we apply collagen fingerprinting to 130 archaeological marine turtle bone samples up to 2500 years old from the Caribbean and Florida’s Gulf Coast for faunal identification, finding the vast majority of samples (88%) to contain preserved collagen...

Life history evolution, species differences and phenotypic plasticity in hemiparasitic eyebrights (Euphrasia)

Max Brown, Natacha Frachon, Edgar Wong & Alex Twyford
Premise of the study: Species delimitation in parasitic organisms is challenging as traits used in the identification of species are often plastic and vary depending on the host. Here, we use species from a recent radiation of generalist hemiparasitic Euphrasia to investigate trait variation and trait plasticity. We test whether Euphrasia species show reliable trait differences, investigate whether these differences correspond to life history trade-offs between growth and reproduction, and quantify plasticity in response to...

Getting to Net Zero Working Group: Energy Networks Snap-Shot Report

Martin Hill, Colin Thomson, James Higgins, Charlotte Owen, Nigel Holmes, Robert Gibson, Maxine Frerk, Phil Lawton, Gareth Harrison, Harry Van de Weijde, Antonios Katris, Christian Calvillo Munoz & Fiona Riddoch
The electricity gas and heat networks are finding it necessary to increase their ad hoc interactions as they develop their contribution to the net zero1 targets for green house gases for the UK and Scotland. The organisations involved in the “Getting to Net Zero” working group are all directly engaged in the energy sector encountering day-to-day challenges around how to include “getting to net zero” in their operations. The working group met to consider the...

Intracranial haemodynamic relationships in patients with cerebral small vessel disease

Gordon Blair, Michael Thrippleton, Yulu Shi, Iona Hamilton, Michael Stringer, Francesca Chappell, David Alexander Dickie, Peter Andrews, Ian Marshall, Fergus Doubal & Joanna Wardlaw
Objective To investigate cerebrovascular reactivity (CVR), blood flow, vascular and cerebrospinal fluid (CSF) pulsatility, and their independent relationship to cerebral small vessel disease (SVD) features, in patients with minor ischaemic stroke and MRI evidence of SVD. Methods We recruited patients with minor ischaemic stroke and assessed CVR using Blood Oxygen Level Dependent (BOLD) MRI during a hypercapnic challenge, cerebral blood flow, vascular and CSF pulsatility using phase contrast MRI, and structural MR brain imaging to...

How long does it take to fix a favorable mutation, and why should we care?

Brian Charlesworth
The time taken for a selectively favorable allele to spread through a single population was investigated early in the history of population genetics. The resulting formulae are based on deterministic dynamics, leading to inaccuracies at allele frequencies close to zero or one. To remedy this problem, the properties of the stochastic phases at either endpoint of allele frequency need to be analysed. This paper uses a heuristic approach to determining the expected times spent in...

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