135 Works

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...

Data from: Carbon allocation to root exudates is maintained in mature temperate tree species under drought

Benjamin D Hafner, Melanie Brunn, Marie Jasmijn Zwetsloot, Fabian Christopher Weikl, Karin Pritsch, Kyohsuke Hikino, Nadine Ruehr, Emma Sayer & Taryn Bauerle

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: 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: 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....

Historical context modifies plant diversity–community productivity relationships in alpine grassland

Shan Luo, Richard D. Bardgett, Bernhard Schmid, David Johnson, Kenny Png, Urs Schaffner, Huakun Zhou, Buqing Yao, Xiangyang Hou & Nicholas J. Ostle
While most studies yield positive relationships between biodiversity (B) and ecosystem functioning (EF), awareness is growing that BEF relationships can vary with ecological context. The awareness has led to increased efforts to understand how contemporary environmental context modifies BEF relationships, but the role of historical context, and the mechanisms by which it may influence biodiversity effects, remains poorly understood. We examined how historical context alters plant diversity‒community productivity relationships via plant species interactions in alpine...

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...

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...

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...

Datasets from: The distribution of covert natural enemies of a globally invasive crop pest, the fall armyworm, in Africa; enemy-release and spillover events

Amy Withers
These datasets are for the analyses carried out in paper in Journal of Animal Ecology titled 'The distribution of covert natural enemies of a globally invasive crop pest, the fall armyworm, in Africa; enemy-release and spillover events.' The authors of the paper are Amy J. Withers, Annabel Rice, Jolanda de Boer, Philip Donkersley, Aislinn J. Pearson, Gilson Chipabika, Patrick Karangwa, Bellancile Uzayisenga, Benjamin A. Mensah, Samuel Adjei Mensah, Phillip Obed Yobe Nkunika, Donald Kachigamba, Judith...

Perfluoroalkyl substances (PFAS) concentrations in the marine Arctic environment collected between 26-Aug-2019 to 28-Aug-2019

Jack Garnett, Crispin Halsall, Anna Vader, Hanna Joerss, Ralf Ebinghaus, Amber Leeson & Peter Wynn
Samples of snow, sea ice, seawater (0.5 m and 5 m depths) and meltponds were collected from two ice-covered stations located in the Barents Sea (81 N), during the "Nansen Legacy Q3" summer cruise of the Norwegian research vessel Kronprins Haakon on 26-28 August 2019. Perfluoroalkyl substances (PFAS) concentrations, salinity and stable oxygen isotopes were measured in all samples to determine sources and environmental fate of PFAS during late summer. NERC ENVISION Doctoral Training Centre...

AI3SD video: AI4SD & IoFT AI for ethics working group: introducing the working group & our methodologies: moral IT cards & design fiction.

Samantha Kanza, Naomi Jacobs & Peter Craigon
Our Ethics for AI Working group was born out of a meeting held by the Internet of Food Things Network just before the pandemic to consider research challenges for developing a data trust system for the food sector. Our group came together through a shared interest in Ethics, and formed a working group to consider the ethical dimensions of digital collaboration in the food sector, such as the unintended consequence of AI. We have run...

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...

Data from 'Water table depth modulates productivity and biomass across Amazonian forests'

Thaiane R. Sousa, Juliana Schietti, Thaise Emílio, Rafael Herrera Fernández, Hans ter Steege, Carolina V Castilho, Adriane Esquivel Muelbert, Timothy Baker, Aline Pontes-Lopes, Camila V. J. Silva, Juliana M. Silveira, Géraldine Derroire, Wendeson Castro, Abel Monteagudo Mendoza, Ademir Ruschel, Agustín Rudas, Adriano José Nogueira Lima, Agustín Rudas, Alejandro Araujo-Murakami, Ana Andrade, Anand Roopsind, Angelo Gilberto Manzatto, Anthony Di Fiore, Armando Torres-Lezama & Aurélie Dourdain

A large-scale assessment of plant dispersal mode and seed traits across human-modified Amazonian forests

Joseph Hawes, Ima Vieira, Luiz Magnago, Erika Berenguer, Joice Ferreira, Luiz Aragão, Amanda Cardoso, Alexander Lees, Gareth Lennox, Joseph Tobias, Anthony Waldron & Jos Barlow
1. Quantifying the impact of habitat disturbance on ecosystem function is critical for understanding and predicting the future of tropical forests. Many studies have examined post-disturbance changes in animal traits related to mutualistic interactions with plants, but the effect of disturbance on plant traits in diverse forests has received much less attention. 2. Focusing on two study regions in the eastern Brazilian Amazon, we used a trait-based approach to examine how seed dispersal functionality within...

Spatial scaling properties of coral reef benthic communities

Helen Ford, Jamison Gove, Andrew Davies, Nicholas Graham, John Healey, Eric Conklin & Gareth Williams
The spatial structure of ecological communities on tropical coral reefs across seascapes and geographies have historically been poorly understood. Here we addressed this for the first time using spatially expansive and thematically resolved benthic community data collected around five uninhabited central Pacific oceanic islands, spanning 6° latitude and 17° longitude. Using towed-diver digital image surveys over ~140 linear km of shallow (8 – 20 m depth) tropical reef, we highlight the autocorrelated nature of coral...

Data from: Differential effects of fertilisers on pollination and parasitoid interaction networks

Edith Villa-Galaviz, Simon M. Smart, Elizabeth L. Clare, Susan E. Ward & Jane Memmott
Grassland fertilisation drives non-random plant loss resulting in areas dominated by perennial grass species. How these changes cascade through linked trophic levels, however, is not well understood. We studied how grassland fertilisation propagates change through the plant assemblage into the plant-flower visitor, plant-leaf miner and leaf miner-parasitoid networks using a year’s data collection from a long-term grassland fertiliser application experiment. Our experiment had three fertiliser treatments each applied to replicate plots 15 m2 in size:...

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