139 Works

Data from: Identifying the African wintering grounds of hybrid flycatchers using a multi–isotope (δ2H, δ13C, δ15N) assignment approach

Thor Veen, Mårten B. Hjernquist, Steven L. Van Wilgenburg, Keith A. Hobson, Eelke Folmer, Laura Font & Marcel Klaassen
Migratory routes and wintering grounds can have important fitness consequences, which can lead to divergent selection on populations or taxa differing in their migratory itinerary. Collared (Ficedula albicollis) and pied (F. hypoleuca) flycatchers breeding in Europe and wintering in different sub-Saharan regions have distinct migratory routes on the eastern and western sides of the Sahara desert, respectively. In an earlier paper, we showed that hybrids of the two species did not incur reduced winter survival,...

Data from: Community assembly, species richness and nestedness of arbuscular mycorrhizal fungi in agricultural soils

Erik Verbruggen, Marcel G. A. Van Der Heijden, James T. Weedon, George A. Kowalchuk & Wilfred F. M. Röling
Understanding how communities assemble is a central goal of ecology. This is particularly relevant for communities of arbuscular mycorrhizal fungi (AMF), because the community composition of these beneficial plant symbionts influences important ecosystem processes. Moreover, AMF may be used as sensitive indicators of ecological soil quality if they respond to environmental variation in a predictable way. Here we use a molecular profiling technique (T-RFLP of 25S rRNA gene fragments) to test which factors determine AM...

Data from: C:N:P stoichiometry of Artemisia species and close relatives across northern China: unraveling effects of climate, soil and taxonomy

Xuejun Yang, Zhenying Huang, Keliang Zhang & Johannes Hans C. Cornelissen
1. Carbon (C), nitrogen (N) and phosphorus (P) stoichiometries play critical roles in the function and structure of ecosystems by affecting important ecological processes. Yet, most studies to date have concentrated on foliar stoichiometry of phylogenetically distantly related species. 2. Here, we hypothesized that (i) plant stoichiometry of closely related species still shows biogeographic patterns because of the geographic patterns of abiotic environment at the regional scale and (ii) even related species still differ strongly...

Data from: Visuomotor adaptation: how forgetting keeps us conservative

Katinka Van Der Kooij, Eli Brenner, Robert J. Van Beers & Jeroen B. J. Smeets
Even when provided with feedback after every movement, adaptation levels off before biases are completely removed. Incomplete adaptation has recently been attributed to forgetting: the adaptation is already partially forgotten by the time the next movement is made. Here we test whether this idea is correct. If so, the final level of adaptation is determined by a balance between learning and forgetting. Because we learn from perceived errors, scaling these errors by a magnification factor...

Data from: Understanding nutrient dynamics in an African savanna: local biotic interactions outweigh a major regional rainfall gradient

Michiel P. Veldhuis, Anneleen Hulshof, Wimke Fokkema, Matty P. Berg & Han Olff
Nutrient availability in terrestrial ecosystems has been found to vary along regional climatic and soil gradients and drive variation in plant community composition and vegetation structure. However, more local biotic feedbacks also affect nutrient availability, but their importance in determining vegetation structure relative to regional drivers is yet unclear. Mesic African savannas form a transition zone between the dry grasslands with relatively low nitrogen availability (indicated by low plant N:P ratios) and the wet woodlands...

Data from: Generic indicators for loss of resilience before a tipping point leading to population collapse

Lei Dai, Daan Vorselen, Kirill S. Korolev & Jeff Gore
Theory predicts that the approach of catastrophic thresholds in natural systems (e.g., ecosystems, the climate) may result in an increasingly slow recovery from small perturbations, a phenomenon called critical slowing down. We used replicate laboratory populations of the budding yeast Saccharomyces cerevisiae for direct observation of critical slowing down before population collapse. We mapped the bifurcation diagram experimentally and found that the populations became more vulnerable to disturbance closer to the tipping point. Fluctuations of...

Data from: Tracking plant preference for higher-quality mycorrhizal symbionts under varying CO conditions over multiple generations

Gijsbert D. A. Werner, Yeling Zhou, Corné M. J. Pieterse & E. Toby Kiers
The symbiosis between plants and root-colonizing arbuscular mycorrhizal (AM) fungi is one of the most ecologically important examples of interspecific cooperation in the world. AM fungi provide benefits to plants; in return plants allocate carbon resources to fungi, preferentially allocating more resources to higher-quality fungi. However, preferential allocations from plants to symbionts may vary with environmental context, particularly when resource availability affects the relative value of symbiotic services. We ask how differences in atmospheric CO2-levels...

Data from: Tetranychus evansi spider mite populations suppress tomato defences to varying degrees

Bram Knegt, Tomas Meijer, Merijn Kant, E. Toby Kiers & Martijn Egas
Plant defence suppression is an offensive strategy of herbivores, in which they manipulate plant physiological processes to increase their performance. Paradoxically, defence suppression does not always benefit the defence-suppressing herbivores, because lowered plant defences can also enhance the performance of competing herbivores and can expose herbivores to increased predation. Suppression of plant defence may therefore entail considerable ecological costs depending on the presence of competitors and natural enemies in a community. Hence, we hypothesize that...

Multiple abiotic and biotic drivers of long-term wood decomposition within and among species in semiarid inland dunes: a dual role for stem diameter

Enkhmaa Erdenebileg, Wang Congwen, Xuehua Ye, Qingguo Cui, Juan Du, Zhenying Huang, Guofang Liu & Johannes H. C. Cornelissen
This is wood decomposition data conducted in an semiarid inland dune including mass loss, initial wood traits and k values of combinations between five diameter classes and four shrub species under different treatments including UV and litter position. We found that after 34 months of in situ incubation, the mass loss of buried woody litters was three times faster than those of suspended and surface woody litters (53.5 ± 2.7 %, 17.0 ± 1.0 %...

Data from: How close do we live to water? a global analysis of population distance to freshwater bodies

Matti Kummu, Hans De Moel, Philip J. Ward & Olli Varis
Traditionally, people have inhabited places with ready access to fresh water. Today, over 50% of the global population lives in urban areas, and water can be directed via tens of kilometres of pipelines. Still, however, a large part of the world's population is directly dependent on access to natural freshwater sources. So how are inhabited places related to the location of freshwater bodies today? We present a high-resolution global analysis of how close present-day populations...

Data from: The cover uncovered: bark control over wood decomposition

Gbadamassi G.O. Dossa, Douglas Schaefer, Jiao-Lin Zhang, Jian-Ping Tao, Kun-Fang Cao, Richard T. Corlett, Anthony B. Cunningham, Jian-Chu Xu, Johannes H. C. Cornelissen, Rhett D. Harrison & Gbadamassi G. O. Dossa
1. Woody debris (WD) represents a globally significant carbon stock and its decomposition returns nutrients to the soil while providing habitat to microbes, plants and animals. Understanding what drives WD decomposition is therefore important. 2. WD decomposition rates differ greatly among species. However, the role of bark in the process remains poorly known. 3. We ask how, and how much, interspecific variation in bark functional traits related to growth and protection have afterlife effects on...

Data from: Differential effects of climate warming on reproduction and functional responses on insects in the fourth trophic level

Cong Chen, Rieta Gols, Arjen Biere & Jeffrey A. Harvey
1. Understanding effects of Anthropogenic Global Warming (AGW) on species interactions is essential for predicting community responses to climate change. However, while effects of AGW on resource-consumer interactions at the first- and second trophic level have been well studied, little is known about effects on interactions at higher trophic levels at the terminal end of food chains (e.g. in the third and fourth trophic levels). 2. Here, we examined the effects of temperature variability by...

Environmental and morphological constraints interact to drive the evolution of communication signals in frogs

Matías Muñoz, Sandra Goutte, Jacintha Ellers & Wouter Halfwerk
Animals show a rich diversity of signals and displays. Among the many selective forces driving the evolution of communication between individuals, one widely recognized factor is the structure of the environment in which signals are produced, transmitted and received. In particular, animals communicating by sounds often emit acoustic signals from specific locations, such as high up in the air, from the ground or in the water. The properties of these different display sites will impose...

Enhancing ecological integrity while preserving ecosystem services: constructing soft-sediment islands in a shallow lake

Casper Van Leeuwen, Ralph Temmink, Hui Jin, Yvonne Kahlert, Bjorn Robroek, Matty Berg, Leon Lamers, Marloes Van Den Akker, Roel Posthoorn, Annemiek Boosten, Han Olff &
1. Ecosystems are increasingly managed to provide multiple benefits to humans, which often degrades their ecological integrity. This strongly applies to aquatic ecosystems, in which engineering can enhance flood protection, drinking water supply, fisheries and recreation. Although these activities typically increase ecosystem functionality to humans, they often impair key aspects of biodiversity and natural functioning. 2. Classical restoration of such degrading freshwater ecosystems can lead to societal opposition, if returning to a former ecosystem state...

Relation between seismic noise levels and soil fauna

Estefania Velilla
Human activities often impact the sensory environment of organisms. Wind energy turbines are a fast-growing potential source of anthropogenic vibrational noise that can affect soil animals sensitive to vibrations and thereby alter soil community functioning. Larger soil animals, such as earthworms (macrofauna, > 1 cm in size), are particularly likely to be impacted by the low-frequency turbine waves that can travel through soils over large distances. Here we examine the effect of wind turbine-induced vibrational...

Additional file 4 of The NORMAN Suspect List Exchange (NORMAN-SLE): facilitating European and worldwide collaboration on suspect screening in high resolution mass spectrometry

Hiba Mohammed Taha, Reza Aalizadeh, Nikiforos Alygizakis, Jean-Philippe Antignac, Hans Peter H. Arp, Richard Bade, Nancy Baker, Lidia Belova, Lubertus Bijlsma, Evan E. Bolton, Werner Brack, Alberto Celma, Wen-Ling Chen, Tiejun Cheng, Parviel Chirsir, Ľuboš Čirka, Lisa A. D’Agostino, Yannick Djoumbou Feunang, Valeria Dulio, Stellan Fischer, Pablo Gago-Ferrero, Aikaterini Galani, Birgit Geueke, Natalia Głowacka, Juliane Glüge … & Emma L. Schymanski
Additional file 4: Summary of Zenodo citations plus DOIs per list (CSV format) as of 1 May 2022 [236].

Analysis of oil vapor diffusion after oil spill from tank group based on wind tunnel experiment and numerical simulation

Chunyan Wu, Weiqiu Huang, Feng Chen, Xue Xu, Xufei Li, Xinya Wang, Yongyin Zheng & Ning Zhou
The diffusion of oil vapor after oil spill from tank caused serious consequences. It is studied by combining wind tunnel experiment and numerical simulation. Results show that the higher the fire dike, the more oil vapor accumulates at the inner corner of fire dike; the explosion limit area is the largest when the oil spills in front of single tank on the windward side; concentration of multi-spills will superimpose to induce the presenting of multi-explosion...

Additional file 4 of INFLECT: an R-package for cytometry cluster evaluation using marker modality

Jan Verhoeff, Sanne Abeln & Juan J. Garcia-Vallejo
Additional file 4: Matching matrix of Kimmey-BM dataset.

Additional file 5 of INFLECT: an R-package for cytometry cluster evaluation using marker modality

Jan Verhoeff, Sanne Abeln & Juan J. Garcia-Vallejo
Additional file 5: Matching matrix of Kimmey-PBMC dataset.

How detritivores, plant traits and time modulate coupling of leaf versus woody litter decomposition rates across species

Chao Guo, Bin Tuo, Hang Ci, Bi-Le Bi-Le, Yu Zhang, Enrong Yan & Johannes H.C. Cornelissen
1. Plant functional traits are increasingly used to understand ecological relationships and (changing) ecosystem functions. For understanding ecosystem-level biogeochemistry, we need to understand how (much) traits co-vary between different plant organs across species, and its implications for litter decomposition. However, we do not know how the degree of synchronous variation in decomposition rates between organs across species could be influenced by different keystone invertebrates decomposing different senesced plant organs, especially in warm-climate forests. Here we...

Heat preparedness and exertional heat illness in Paralympic athletes: A Tokyo 2020 survey

Puck Alkemade, Hein A. M. Daanen, Thomas W. J. Janssen, Elizabeth Broad, Victoria L. Goosey-Tolfrey, Tatsuru Ibusuki, Hiske Kneepkens, Julien D. Périard & Thijs M. H. Eijsvogels
Paralympic athletes may be at increased risk for exertional heat illness (EHI) due to reduced thermoregulatory ability as a consequence of their impairment. This study investigated the occurrence of heat-stress related symptoms and EHI, and the use of heat mitigation strategies in Paralympic athletes, both in relation to the Tokyo 2020 Paralympic Games and previous events. Paralympic athletes competing in Tokyo 2020 were invited to complete an online survey five weeks prior to the Paralympics...

Data from: Do differences in food web structure between organic and conventional farms affect the ecosystem service of pest control?

Sarina Macfadyen, Rachel Gibson, Andrew Polaszek, Rebecca J. Morris, Paul G. Craze, Robert Planqué, William O.C. Symondson & Jane Memmott
While many studies have demonstrated that organic farms support greater levels of biodiversity, it is not known whether this translates into better provision of ecosystem services. Here we use a food-web approach to analyse the community structure and function at the whole-farm scale. Quantitative food webs from 10 replicate pairs of organic and conventional farms showed that organic farms have significantly more species at three trophic levels (plant, herbivore and parasitoid) and significantly different network...

Data from: Spatial structure and interspecific cooperation: theory and an empirical test using the mycorrhizal mutualism

Erik Verbruggen, Claire El Mouden, Jan Jansa, Geert Akkermans, Heike Bücking, Stuart A. West & E. Toby Kiers
Explaining mutualistic cooperation between species remains a major challenge for evolutionary biology. Why cooperate if defection potentially reaps greater benefits? It is commonly assumed that spatial structure (limited dispersal) aligns the interests of mutualistic partners. But does spatial structure consistently promote cooperation? Here, we formally model the role of spatial structure in maintaining mutualism. We show theoretically that spatial structure can actually disfavour cooperation by limiting the suite of potential partners. The effect of spatial...

Data from: Evolutionary history of a dispersal-associated locus across sympatric and allopatric divergent populations of a wing-polymorphic beetle across Atlantic Europe

Steven M. Van Belleghem, Dick Roelofs & Frederik Hendrickx
Studying the evolutionary history of trait divergence, in particular those related to dispersal capacity, is of major interest for the process of local adaptation and metapopulation dynamics. Here, we reconstruct the evolution of different alleles at the nuclear encoded mitochondrial NADP+-dependent isocitrate dehydrogenase (mtIdh) locus of the ground beetle Pogonus chalceus that are differentially and repeatedly selected in short- and long-winged populations in response to different hydrological regimes at both allopatric and sympatric scales along...

Data from: Mapping wood production in European forests

Pieter J. Verkerk, Christian Levers, Tobias Kuemmerle, Marcus Lindner, Ruben Valbuena, Peter H. Verburg & Sergey Zudin
Wood production is an important forest use, impacting a range of other ecosystem services. However, information on the spatial patterns in wood production is limited and often available only for larger administrative units. In this study, we developed high-resolution wood production maps for European forests. We collected wood production statistics for 29 European countries from 2000 to 2010, as well as comprehensive sets of biophysical and socioeconomic location factors. We used regression analyses to produce...

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