66 Works

Selection of indicators for assessing and managing the impacts of bottom trawling on seabed habitats

Jan Geert Hiddink, Michel Kaiser, Marija Sciberras, Robert McConnaughey, Tessa Mazor, Ray Hilborn, Jeremy Collie, C. Roland Pitcher, Ana Parma, Petri Suuronen, Adriaan Rijnsdorp & Simon Jennings
1. Bottom-trawl fisheries are the most-widespread source of anthropogenic physical disturbance to seabed habitats. Development of fisheries-, conservation- and ecosystem-based management strategies requires the selection of indicators of the impact of bottom trawling on the state of benthic biota. Many indicators have been proposed, but no rigorous test of a range of candidate indicators against 9 commonly-agreed criteria (concreteness, theoretical basis, public awareness, cost, measurement, historical data, sensitivity, responsiveness, specificity) has been performed. 2. Here,...

Reprotoxic effects of the systemic insecticide fipronil on the butterfly Pieris brassicae

Rieta Gols, Michiel F. Wallis De Vries & Joop J. A. Van Loon
In addition to controlling pest organisms, the systemic neurotoxic pesticide fipronil can also have adverse effects on beneficial insects and other non-target organisms. Here, we report on the sublethal effects of fipronil on the farmland butterfly Pieris brassicae . Caterpillars were reared on plants that had been grown from seeds coated with fipronil or on leaf discs topically treated with a range of fipronil dosages (1–32 µg kg −1 on dry mass basis). Females that...

Are leaf, stem and hydraulic traits good predictors of individual tree growth? (FUN2FUN project)

Jordi Martinez-Vilalta, Teresa Rosas, Maurizio Mencuccini, Carles Batlles, Íngrid Regalado, Sandra Saura-Mas & Frank Sterck
A major foundation of trait-based ecology is that traits have an impact on individual performance. However, trait-growth relationships have not been extensively tested in trees, especially outside tropical ecosystems. In addition, measuring traits directly related to physiological processes (‘hard traits’) remains difficult and the differences between inter- and intraspecific relationships are seldom explored. Here, we use individual-level data on a set of hydraulic, leaf and stem traits to explore which traits are the best predictors...

Data from: The relative importance of green infrastructure as refuge habitat for pollinators increases with local land-use intensity

Pengyao Li, David Kleijn, Isabelle Badenhausser, Carlos Zaragoza-Trello, Nicolas Gross, Ivo Raemakers & Jeroen Scheper
1. Agricultural expansion and intensification have resulted in strong declines in farmland biodiversity across Europe. In many intensively farmed landscapes, linear landscape elements such as field boundaries, road verges and ditch banks are the main remaining green infrastructures providing refuge for biodiversity, and as such play a pivotal role in agri-environmental policies aiming at mitigating biodiversity loss. Yet, while we have a fairly good understanding of how agricultural intensification influences biodiversity on farmland, little is...

The role of fine‐root mass, specific root length and lifespan in tree performance: a whole‐tree exploration

Monique Weemstra, Natasa Kiorapostolou, Jasper Van Ruijven, Liesje Mommer, Jorad De Vries & Frank Sterck
1. The root economics spectrum (RES) hypothesis predicts that fast-growing tree species have short-lived roots with high specific root length (SRL) to allow rapid resource uptake, and opposite trait expressions for slow-growing species. Yet, the mixed support for this hypothesis suggests that trees can adopt alternative strategies to increase resource uptake, besides an increase in SRL. 2. We combined a novel mechanistic whole-tree model and empirical fine-root data of ten tree species to test the...

Data from: A critical analysis of the potential for EU Common Agricultural Policy measures to support wild pollinators on farmland

Lorna Cole, David Kleijn, Lynn Dicks, Jane Stout, Simon Potts, Matthias Albrecht, Mario Balzan, Ignasi Bartomeus, Penelope Bebeli, Danilo Bevk, Jacobus Biesmeijer, Róbert Chlebo, Anželika Dautartė, Nikolaos Emmanouil, Chris Hartfield, John Holland, Andrea Holzschuh, Nieke Knoben, Anikó Kovács-Hostyánszki, Yael Mandelik, Heleni Panou, Robert Paxton, Theodora Petanidou, Miguel Pinheiro De Carvalho, … & Jeroen Scheper
1. Agricultural intensification and associated loss of high-quality habitats are key drivers of insect pollinator declines. With the aim of decreasing the environmental impact of agriculture, the 2014 EU Common Agricultural Policy (CAP) defined a set of habitat and landscape features (Ecological Focus Areas: EFAs) farmers could select from as a requirement to receive basic farm payments. To inform the post-2020 CAP, we performed a European-scale evaluation to determine how different EFA options vary in...

Marine stepping-stones: Connectivity of Mytilus edulis populations between offshore energy installations

Joop W.P. Coolen, Arjen R. Boon, Richard Crooijmans, Hilde Van Pelt, Frank Kleissen, Daan Gerla, Jan Beermann, Silvana N.R. Birchenough, Lisa E. Becking & Pieternella C. Luttikhuizen
Recent papers postulate that epifaunal organisms use artificial structures as stepping-stones to spread to areas that are too distant to reach in a single generation. With thousands of artificial structures present in the North Sea, we test the hypothesis that these structures are connected by water currents and act as an interconnected reef. Population genetic structure of the Blue mussel, Mytilus edulis was expected to follow a pattern predicted by particle tracking models (PTM). Correlation...

Predation risk shapes the degree of placentation in natural populations of live-bearing fish

Andres Hagmayer, Andrew I. Furness, David N. Reznick, Myrthe L. Dekker & Bart J. A. Pollux
The placenta is a complex life-history trait that is ubiquitous across the tree of life. Theory proposes that the placenta evolves in response to high performance-demanding conditions by shifting maternal investment from pre- to post-fertilization, thereby reducing a female’s reproductive burden during pregnancy. We test this hypothesis by studying populations of the fish species Poeciliopsis retropinna in Costa Rica. We found substantial variation in the degree of placentation among natural populations associated with predation risk:...

Limited mass-independent individual variation in resting metabolic rate in a wild population of snow voles (Chionomys nivalis)

Andres Hagmayer, Glauco Camenisch, Cindy Canale, Erik Postma & Timothée Bonnet
Resting metabolic rate (RMR) is a potentially important axis of physiological adaptation to the thermal environment. However, our understanding of the causes and consequences of individual variation in RMR in the wild is hampered by a lack of data, as well as analytical challenges. RMR measurements in the wild are generally characterized by large measurement errors and a strong dependency on mass. The latter is problematic when assessing the ability of RMR to evolve independently...

Data from: Neighbourhood-dependent root distributions and the consequences on root separation in arid ecosystems

Bin J. W. Chen, Chi Xu, Mao-Song Liu, Zheng Y. X. Huang, Ming-Juan Zhang, Jian Tang & Niels P. R. Anten
1. Inter-specific root separation is an important example of spatial niche differentiation that drives species coexistence in many ecosystems. Particularly under water-stressed conditions, it is believed to be an inevitable outcome of species interactions. However, evidence for and against this idea has been found. So far, studies aiming at reconciling the debate mainly focus on abiotic determinants. It remains unclear if and to what extent root separation depends on the type and growth form of...

Data from: Quantitative genetics of the use of conspecific and heterospecific social cues for breeding site choice

Jere Tolvanen, Sami Mikael Kivelä, Blandine Doligez, Jennifer Morinay, Lars Gustafsson, Piter Bijma, Veli-Matti Pakanen & Jukka T. Forsman
Social information use for decision-making is common and affects ecological and evolutionary processes, including social aggregation, species coexistence and cultural evolution. Despite increasing ecological knowledge on social information use, very little is known about its genetic basis and therefore its evolutionary potential. Genetic variation in a trait affecting an individual's social and non-social environment may have important implications for population dynamics, interspecific interactions and for expression of other, environmentally plastic traits. We estimated repeatability, additive...

Data and R-code from 'Mode of death and mortality risk factors in Amazon trees'. Nature communications. 2020

Adriane Esquivel Muelbert, Oliver L. Phillips, Roel J. W. Brienen, Sophie Fauset, Martin J. P. Sullivan, Timothy R. Baker, Kuo-Jung Chao, Ted R. Feldpausch, Emanuel Gloor, Niro Higuchi, Jeanne Houwing-Duistermaat, Jon Lloyd, Haiyan Liu, Yadvinder Malhi, Beatriz Marimon, Ben Hur Marimon Junior, Abel Monteagudo-Mendoza, Lourens Poorter, Marcos Silveira, Emilio Vilanova Torre, Esteban Alvarez Dávila, Jhon del Aguila Pasquel, Everton Almeida, Patricia Alvarez Loayza & Ana Andrade

Haplotype-resolved genome analyses of a heterozygous diploid potato

Qian Zhou, Chunzhi Zhang, Wu Huang, Zhongmin Yang, Yu Zhang, Die Tang, John P. Hamilton, Richard G. F. Visser, Christian W. B. Bachem, C. Robin Buell, Zhonghua Zhang & Sanwen Huang
Potato (Solanum tuberosum L.) is the most important tuber crop worldwide. An effort is underway to transform the crop from a clonally propagated tetraploid into a diploid seed-propagated, inbred line-based hybrid, which requires a better understanding of its highly heterozygous genome of potato. Here, we report the 1.67 Gb haplotype-resolved assembly of a diploid potato, RH89-039-16, using the combination of multiple sequencing and mapping strategies, including circular consensus sequencing. Comparison of the two haplotypes revealed...

Raw data for: No reproductive benefits of dear enemy recognition in a territorial songbird

Michael Reichert, Jodie Crane, Gabrielle Davidson, Eileen Dillane, Ipek Kulahci, James O'Neill, Kees Van Oers, Ciara Sexton & John Quinn
Territorial animals often learn to distinguish their neighbors from unfamiliar conspecifics. This cognitive ability facilitates the dear enemy effect, where individuals respond less aggressively to neighbors than to other individuals, and is hypothesized to be adaptive by reducing unnecessary aggressive interactions with individuals that are not a threat to territory ownership. A key prediction of this hypothesis, that individuals with better ability to learn to recognize neighbors should have higher fitness, has never been tested....

Fragmentation and translocation distort the genetic landscape of ungulates: red deer in the Netherlands

Joost Ferdinand De Jong
Many ungulate populations have a complex history of isolation and translocation. Consequently, ungulate populations may have experienced substantial reductions in the level of overall gene flow, yet simultaneously have augmented levels of long distance gene flow. To investigate the effect of this dual anthropogenic effect on the genetic landscape of ungulates, we genotyped 35K SNPs in 47 red deer (Cervus elaphus) of Netherlands, including putative autochthonous relic populations as well as allochthonous populations established in...

Centaurea population effects on nematode communities

Rutger Wilschut, Kim Magnée, Stefan Geisen, Wim Van Der Putten & Olga Kostenko
Data set belonging to the study 'Plant population and soil origin effects on nematode community composition in the rhizosphere of a range-expanding plant species and a native congener'. In this study, we experimentally compared the development of nematode communities originating from northern and southern European soils in the rhizospheres of different populations of the range-expanding plant species Centaurea stoebe and the native plant species Centaurea jacea. The experiment was carried out in a greenhouse of...

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Affiliations

  • Wageningen University & Research
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  • Zhejiang University
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  • Sun Yat-sen University
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  • Nederlands Instituut voor Ecologie
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  • Netherlands Institute of Ecology
    4
  • University of Washington
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  • North West Agriculture and Forestry University
    2
  • Estación Biológica de Doñana
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  • West China Hospital of Sichuan University
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  • University of Liège
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