120 Works

Data from: Fine-scale genetic structure and helping decisions in a cooperatively breeding bird

Amy E. Leedale, Stuart P. Sharp, Michelle Simeoni, Elva J.H. Robinson, Ben J. Hatchwell & Elva J. H. Robinson
In animal societies, characteristic demographic and dispersal patterns may lead to genetic structuring of populations, generating the potential for kin selection to operate. However, even in genetically structured populations, social interactions may still require kin discrimination for cooperative behaviour to be directed towards relatives. Here, we use molecular genetics and long-term field data to investigate genetic structure in an adult population of long-tailed tits Aegithalos caudatus, a cooperative breeder in which helping occurs within extended...

Data from: The Automated Root Exudate System (ARES): a method to apply solutes at regular intervals to soils in the field

Luis Lopez-Sangil, Charles T. George, Eduardo Medina-Barcenas, Ali J. Birkett, Catherine Baxendale, Laetitia M. Bréchet, Eduard Estradera-Gumbau, Emma J. Sayer & Charles George
1) Root exudation is a key component of nutrient and carbon dynamics in terrestrial ecosystems. Exudation rates vary widely by plant species and environmental conditions but our understanding of how root exudates affect soil functioning is incomplete, in part because there are few viable methods to manipulate root exudates in situ. To address this, we devised the Automated Root Exudate System (ARES), which simulates increased root exudation by applying small amounts of labile solutes at...

Data from: Nectar bacteria affect life history of a generalist aphid parasitoid by altering nectar chemistry

Marijke Lenaerts, Tim Goelen, Caro Paulussen, Beatriz Herrera-Malaver, Jan Steensels, Wim Van Den Ende, Kevin Verstrepen, Felix Wäckers, Hans Jacquemyn & Bart Lievens
1. Nectar is a crucial energy resource that strongly mediates the interactions between plants and animal pollinators or plant defenders. Previous research has shown that nectar is commonly colonized by microorganisms, most commonly bacteria and yeasts, which can have a strong impact on nectar chemistry. However, at present little is known about the effects of microorganisms on the fitness of animals feeding on nectar. 2. We used three nectar bacteria representing different metabolic groups (Asaia...

Data from: Associational resistance or susceptibility: the indirect interaction between chemically-defended and non-defended herbivore prey via a shared predator

Christopher M. Nesbit, Rosa Menéndez, Mike R. Roberts & Andrew Wilby
Many organisms possess chemical defences against their natural enemies, which render them unpalatable or toxic when attacked or consumed. These chemically-defended organisms commonly occur in communities with non- or less-defended prey, leading to indirect interactions between prey species, mediated by natural enemies. Although the importance of enemy-mediated indirect interactions have been well documented (e.g. apparent competition), how the presence of prey chemical defences may affect predation of non-defended prey in terrestrial communities remains unclear. Here,...

Data from: Ecosystem nitrogen retention is regulated by plant community trait interactions with nutrient status in an alpine meadow

Fangping Wang, Guoxi Shi, Ostle Nicholas, Buqing Yao, Mingfei Ji, Wenying Wang, Zhen Ma, Huakun Zhou & Xinquan Zhao
1.Biotic nitrogen (N) retention is an important ecosystem function in the context of ongoing land use intensification, N deposition and global warming. However, a paucity of experimental evidence limits understanding of how different plant community components influence N retention in terrestrial ecosystems. 2.In this investigation we conducted a 15N labelling experiment to test how plant community properties, including plant species richness/diversity, dominance and functional traits, influence plant N uptake and retention under different nutrient availabilities....

Mapping species richness using opportunistic samples: a case study on ground-floor bryophyte species richness in the Belgian province of Limburg

Thomas Neyens, Peter Diggle, Christel Faes, Natalie Beenaerts, Tom Artois & Emanuele Giorgi
In species richness studies, citizen-science surveys where participants make individual decisions regarding sampling strategies provide a cost-effective approach to collect a large amount of data. However, it is unclear to what extent the bias inherent to opportunistically collected samples may invalidate our inferences. Here, we compare spatial predictions of forest ground-floor bryophyte species richness in Limburg (Belgium), based on crowd- and expert-sourced data, where the latter are collected by adhering to a rigorous geographical randomisation...

Data from: Nutrient availability controls the impact of mammalian herbivores on soil carbon and nitrogen pools in grasslands

Judith Sitters, E.R. Jasper Wubs, Elisabeth S. Bakker, Thomas W. Crowther, Peter B. Adler, Sumanta Bagchi, Jonathan D. Bakker, Lori Biederman, Elizabeth T. Borer, Elsa E. Cleland, Nico Eisenhauer, Jennifer Firn, Laureano Gherardi, Nicole Hagenah, Yann Hautier, Sarah E. Hobbie, Johannes M.H. Knops, Andrew S. MacDougall, Rebecca L. McCulley, Joslin L. Moore, Brent Mortensen, Pablo L. Peri, Suzanne M. Prober, Charlotte Riggs, Anita C. Risch … &
Grasslands have been subject to considerable alteration due to human activities globally, including widespread changes in populations and composition of large mammalian herbivores and elevated supply of nutrients. Grassland soils remain important reservoirs of carbon (C) and nitrogen (N). Herbivores may affect both C and N pools and these changes likely interact with increases in soil nutrient availability. Given the scale of grassland soil fluxes, such changes can have striking consequences for atmospheric C concentrations...

Contrasted histories of organelle and nuclear genomes underlying physiological diversification in a grass species

Matheus Bianconi, Luke Dunning, Emma Curran, Oriane Hidalgo, Robyn Powell, Sahr Mian, Ilia Leitch, Marjorie Lundgren, Sophie Manzi, Maria Vorontsova, Guillaume Besnard, Colin Osborne, Jill Olofsson & Pascal-Antoine Christin
C4 photosynthesis evolved multiple times independently in angiosperms, but most origins are relatively old so that the early events linked to photosynthetic diversification are blurred. The grass Alloteropsis semialata is an exception, as this species encompasses C4 and non-C4 populations. Using phylogenomics and population genomics, we infer the history of dispersal and secondary gene flow before, during, and after photosynthetic divergence in A. semialata. We further analyse the genome composition of individuals with varied ploidy...

Derived annual statistics of rainfall, streamflow and acidity for the Nant Trawsnant catchment, Llyn Brianne, Mid Wales, UK. (1982 to 2012)

N. Chappell, T.D. Jones & C. Broderick
This dataset comprises of derived annual statistics for measures of rainfall, streamflow, temperature and stream acidity (pH) for a stream, draining a small, approximately 1.2 square kilometres, upland conifer catchment. The stream, Nant Trawsnant, drains into the Llyn Brianne reservoir, Powys, United Kingdom. The data are for a 31 year period covering 1st April 1982 to 1st April 2012. The streamflow and acidity data are derived from 15 minute resolution observations throughout the calendar year...

Ecosystem function data from Winklebury Hill, UK, in 2013

E.L. Fry, A.L. Hall, J. Savage, R.D. Bardgett, N. Ostle, R.F. Pywell & J.M. Bullock
This dataset contains nitrate and ammonium concentrations, nitrification and mineralisation rates, particle size and microbial biomass data from soils taken from an experiment based at Winklebury Hill, UK. The experiment used seeds and plug plants to create different plant communities on the bare chalk on Winklebury Hill and tested the resulting carbon and nutrient cycling rates and compared these to the characteristics of different plant functional groups. The experiment ran from 2013 to 2016 and...

Plant and soil responses to simulated summer drought in 2013 on Colt Park grassland restoration experiment

A.J. Cole, R.I. Griffiths, S.E. Ward, J. Whitaker, N.J. Ostle & R.D. Bardgett
Data comprise measurements of plant biomass and community composition, soil microbial community composition, greenhouse gas emissions and soil carbon and nitrogen pools from a drought experiment superimposed on a the long-term Colt Park grassland restoration experiment in northern England. Rainfall was manipulated using rain-out shelters on experimental grassland plots where fertiliser application and seed addition have been managed to enhance plant species diversity. The scientific purpose was to test the hypothesis that management aimed at...

Ecosystem functions and vegetation data for Winklebury Hill, Salisbury Plain, UK in 2015

E.L. Fry, A.L. Hall, J. Savage, R.D. Bardgett, N. Ostle, R.F. Pywell, J.M. Bullock & S. Oakley
This dataset contains vegetation survey data, and nitrate and ammonium concentrations, nitrification and mineralisation rates, microbial biomass and carbon and nitrogen stock data from soils taken from an experiment based at Winklebury Hill, UK. The vegetation survey comprises total species percentage cover and species richness data from four 50 cm by 50 cm quadrats. Net ecosystem carbon dioxide exchange, photosynthesis and respiration data were measured with an Infra-red Gas Analyser (IRGA); methane, carbon dioxide and...

Avifauna occurrence data from a longitudinal experiment in human-modified Amazonian forests affected by the 2015-16 El Niño drought and associated fires

A. Lees, N. Moura, F.M. Franca, J.N. Ferreira, T. Gardner, E. Berenguer, L. Chesini, C. Andertti & J. Barlow
This data set includes longitudinal occurrence of bird species at 36 forest plots – half of which burned during the 2015-16 El Niño drought – distributed across a gradient of prior human disturbance in the Brazilian Amazon. Data was collected in 2010 and 2016 (around 6 years before, and one year after the 2015-16 El Niño, respectively) as part of the projects ‘Assessing ENSO-induced Fire Impacts in tropical Rainforest Ecosystems’ (AFIRE) and ‘Biodiversity and Ecosystem...

Consuming disaster data: is IT ethical?

Sung-Yueh Perng, Monika Büscher & Luke Moffat
Most people use disaster apps infrequently, primarily only in situations of turmoil, when they are physically or emotionally vulnerable. Personal data may be necessary to help them, data protections may be waived. In some circumstances, free movement and liberties may be curtailed for public protection, as was seen in the current COVID pandemic. Consuming and producing disaster data can deepen problems arising at the confluence of surveillance and disaster capitalism, where data has become a...

Large interannual variability in supraglacial lakes around East Antarctica (2014-2020)

Jennifer Arthur, Chris Stokes, Stewart Jamieson, Rachel Carr, Amber Leeson & Vincent Verjans
This dataset provides supraglacial lake extents and depths as included in the paper by Arthur et al. (in review, Nature Comms.) entitled " Large interannual variability in supraglacial lakes around East Antarctica". Please cite this paper if using this data. This dataset consists of (1) shapefiles of supraglacial lake extents around the East Antarctic Ice Sheet derived from Landsat-8 imagery acquired between January 2014 and 2020 and (2) rasters of supraglacial lake depths derived from...

Vadose zone nitrate contained within cave drip waters and speleothems

Peter Wynn, Scott Ambler, Imke Grefe, David Soto & Helen Grant
This data set contains a record of nitrate concentrations and isotopic composition present within the drip waters and speleothem carbonate deposits of Cueva-cubío del Llanío, northern Spain. Data were collected between 2018 to 2020, and specifically address the nitrate composition of the cave drip waters, pool waters, rocks, soil, vegetation and contemporary speleothem carbonate. Calculations are also undertaken to assess the partitioning of nitrate between cave drip water and speleothem carbonate deposits. Data pertaining to...

Ecosystem function and vegetation data from a land use gradient on Salisbury Plain in June 2014

E.L. Fry, J. Savage, W.J. Pritchard, R.D. Bardgett, N. Ostle, R.F. Pywell & J.M. Bullock
This dataset contains ecosystem function and vegetation survey data from soils collected from Salisbury Plain, UK. The sites were selected to reflect the four main grassland management types on Salisbury Plain ranging from arable cropland to species rich grassland, with six representative grassland plots for each type (24 sites in total). Each site had four replicates for each variable measured. The data collected was intended to illustrate a gradient of ecosystem functioning and vegetation change...

Plant and soil animal diversity measurements from a disturbance and nitrogen addition experiment in an upland grassland site [NERC Soil Biodiversity Programme]

L. Cole, R.D. Bardgett, S.M. Buckland & G. Burt-Smith
Data comprises abundance measures of mites, collembola and plant biomass collected from a field experiment based at Sourhope. Experimental plots varied in nitrogen addition treatment and level of ground disturbance. The data were collected as a component of the NERC Soil Biodiversity Programme, established in 1999 and centred upon the intensive study of a large field experiment located at the Macaulay Land Use Research Institute (now the James Hutton Institute)'s farm at Sourhope in the...

Litterfall production in human-modified forests of Eastern Amazonia

E. Berenguer, L. C. Rossi, M.M.M. Seixas & J. Barlow
This dataset includes measurements of litter in 20 plots (250 x 10 m each) in the Brazilian Amazon. Study plots were distributed across a gradient of forest disturbance, including: undisturbed primary forests , logged primary forests, logged-and-burned primary forests, and secondary forests. Data were collected from January 2015 until October 2018. In December 2015, during the El Niño-mediated drought, eight of our study plots were affected by understory fires.

Atmospheric gas and vegetation survey data from Winklebury Hill, UK, in 2014

E.L. Fry, A.L. Hall, J. Savage, R.D. Bardgett, N. Ostle, R.F. Pywell, J.M. Bullock & S. Oakley
This dataset contains greenhouse gas flux data and vegetation survey data from an experiment based at Winklebury Hill, UK. The vegetation survey comprises total species percentage cover and species richness data from four 50 cm by 50 cm quadrats. The greenhouse gas flux data comprises net ecosystem carbon dioxide exchange, photosynthesis and respiration data measured with an Infra-red Gas Analyser (IRGA); methane, carbon dioxide and nitrous oxide data measured using gas chromatography; and nitrate and...

Fine root production in human-modified forests of Eastern Amazonia

E. Berenguer, L. C. Rossi, M.M.M. Seixas & J. Barlow
This dataset includes measurements of soil respiration in 20 plots (250 x 10 m each) in the Brazilian Amazon. Study plots were distributed across a gradient of forest disturbance, including: undisturbed primary forests , logged primary forests, logged-and-burned primary forests, and secondary forests. Data were collected from October 2014 until May 2018. In December 2015, during the El Niño-mediated drought, eight of our study plots were affected by understory fires.

Measurements of microarthropod community structure and diversity from an upland grassland experimental site [NERC Soil Biodiversity Programme]

L. Cole, R.D. Bardgett & S.M. Buckland
Data comprises patterns of diversity in a below-ground community of microarthropods (mites and collembola), measured during a nutrient (calcium and nitrogen) manipulation experiment, located at the Natural Environment Research Council (NERC) Soil Biodiversity Site in Sourhope, Scotland, UK. Data collected include abundance of microarthropods, and also microbial biomass carbon, soil respiration, wet pH using de-ionised water, soil loss on ignition, dry root biomass, total carbon and nitrogen content of soil and roots and soil moisture...

Soil nutrient data from Winklebury Hill, UK, in 2014

E.L. Fry, A.L. Hall, J. Savage, R.D. Bardgett, N. Ostle, R.F. Pywell, J.M. Bullock & S. Oakley
This dataset contains nutrient data from soils and microbial biomass in soils from an experiment based at Winklebury Hill, UK. The experiment used seeds and plug plants to create different plant communities on the bare chalk on Winklebury Hill and tested the resulting carbon and nutrient cycling rates and compared these to the characteristics of different plant functional groups. The experiment ran from 2013 to 2016 and this dataset contains data from 2014 only. This...

Data from: On potential ocular artefacts in infant electroencephalogram: a reply to comments by Köster

Dora Kampis, Eugenio Parise, Gergely Csibra & Ágnes M. Kovács
Dataset for Kampis, Parise, Csibra, & Kovacs (2016)EEG Dataset for article "On potential ocular artifacts in infant EEG: A reply to comments by Köster"dataset_reply_to_comment_procb_kampisetal.xls

Data from: Mass extinctions over the last 500 myr: an astronomical cause?

Anatoly D. Erlykin, David A. T. Harper, Terry Sloan & Arnold W. Wolfendale
A Fourier analysis of the magnitudes and timing of the Phanerozoic mass extinctions (MEs) demonstrates that many of the periodicities claimed in other analyses are not statistically significant. Moreover we show that the periodicities associated with oscillations of the Solar System about the galactic plane are too irregular to give narrow peaks in the Fourier periodograms. This leads us to conclude that, apart from possibly a small number of major events, astronomical causes for MEs...

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