136 Works

Seasonality affects specialisation of a temperate forest herbivore community

Carlo Lutz Seifert, Vojtěch Novotny, Carlo L. Seifert, Leonardo R. Jorge, Martin Volf, David L. Wagner, Greg P. A. Lamarre, Scott E. Miller, Erika Gonzalez‐Akre, Kristina J. Anderson‐Teixeira & Vojtěch Novotný
Understanding spatiotemporal trends on insect-plant interaction networks is essential to unveil the ecological and evolutionary processes driving herbivore specialisation. However, community studies accounting for temporal dynamics in host-plant specialisation of herbivorous insects are surprisingly scarce. Here, we provide the background data which were used to investigate how seasonality affects specialisation of a temperate forest herbivore community. This dataset results from a comprehensive sampling of more than 4,700 folivorous caterpillars associated with 16 deciduous tree species...

Pontocaspian habitat polygon shapefiles from: Decline of unique Pontocaspian biodiversity in the Black Sea Basin: a review

Aleksandre Gogaladze, Mikhail Son, Matteo Lattuada, Vitaliy Anistratenko, Vitaly Syomin, Ana Bianca Pavel, Oana Popa, Luis Popa, Jan-Johan Ter Poorten, Jacobus Biesmeijer, Niels Raes, Thomas Wilke, Arthur Francis Sands, Teodora Trichkova, Zdravko Hubenov, Maxim Vinarski, Olga Anistratenko, Tatiana Alexenko & Frank Wesselingh
The unique aquatic Pontocaspian (PC) biota of the Black Sea Basin (BSB) is in decline. The lack of detailed knowledge on the status and trends of species, populations and communities hampers a thorough risk assessment and precludes effective conservation. This paper reviews PC biodiversity trends in the BSB ( Bulgaria, Romania, Moldova, Ukraine and Russia) using endemic molluscs as a model group. We aim to assess changes in PC habitats, community structure and species distribution...

Le rapport d’analyse carpologique : exposé des minimums méthodologiques communs attendus par la communauté archéologique (carpologues, responsables d’opérations, services de l’État)

Bénédicte Pradat, Frédérique Durand, Françoise Toulemonde, Charlotte Hallavant, Aurélie Salavert, Julian Wiethold & Véronique Zech‐Matterne
La carpologie, initiée en France il y a 50 ans, s’est considérablement développée en grande partie grâce à l’augmentation des opérations d’archéologie préventive. La hausse sensible du nombre de carpologues, l’accroissement des études qui en résulte et la multiplication des cadres institutionnels, publics ou privés, dans lesquels les études carpologiques sont réalisées, ont rendu nécessaire une réflexion collective sur les minimums méthodologiques devant apparaître dans les rapports d’études carpologiques. En effet, la mise en œuvre...

Data from: Functional homogenization of flower visitor communities with urbanization

Nicolas Deguines, Romain Julliard, Mathieu De Flores & Colin Fontaine
Land-use intensification and resulting habitat loss are put forward as the main causes of flower visitor decline. However, the impact of urbanization, the prime driver of land-use intensification in Europe, is poorly studied. In particular, our understanding of whether and how it affects the composition and functioning of flower visitor assemblages is scant, yet required to cope with increasing urbanization worldwide. Here, we use a nation-wide dataset of plant-flower visitor (Coleoptera, Diptera, Hymenoptera, Lepidoptera) interactions...

Data from: Does habitat specialization shape the evolutionary potential of wild bird populations?

Ivain Martinossi-Allibert, Joanne Clavel, Simon Ducatez, I. Le Viol & Celine Teplitsky
Because specialist species evolved in more temporally and spatially homogeneous environments than generalist species, they are supposed to experience less fluctuating selection. For this reason, we expect specialists to show lower overall genetic variation as compared to generalists. We also expect populations from specialist species to be smaller and more fragmented, with lower neutral genetic diversity. We tested these hypotheses by investigating patterns of genetic diversity along a habitat specialization gradient in wild birds, based...

Data from: Two widespread green Neottia species (Orchidaceae) show mycorrhizal preference for Sebacinales in various habitats and ontogenetic stages

Tamara Těšitelová, Milan Kotilínek, Jana Jersáková, François-Xavier Joly, Jiří Košnar, Irina Tatarenko & Marc-André Selosse
Plant dependence on fungal carbon (mycoheterotrophy) evolved repeatedly. In orchids, it is connected with a mycorrhizal shift from rhizoctonia to ectomycorrhizal fungi and a high natural 13C and 15N abundance. Some green relatives of mycoheterotrophic species show identical trends, but most of these remain unstudied, blurring our understanding of evolution to mycoheterotrophy. We analyzed mycorrhizal associations and 13C and 15N biomass content in two green species, Neottia ovata and N. cordata (tribe Neottieae), from a...

Data from: Does recognized genetic management in supportive breeding prevent genetic changes in life-history traits?

Rémi Chargé, Gabriele Sorci, Michel Saint Jalme, Loïc Lesobre, Yves Hingrat, Frédéric Lacroix & Celine Teplitsky
Supportive breeding is one of the last resort conservation strategies to avoid species extinction. Management of captive populations is challenging because several harmful genetic processes need to be avoided. Several recommendations have been proposed to limit these deleterious effects, but empirical assessments of these strategies remain scarce. We investigated the outcome of a genetic management in a supportive breeding for the Houbara Bustard. At the phenotypic level, we found an increase over generations in the...

Data from: Barb geometry of asymmetrical feathers reveals a transitional morphology in the evolution of avian flight

Teresa J. Feo, Daniel J. Field & Richard O. Prum
The geometry of feather barbs (barb length and barb angle) determines feather vane asymmetry and vane rigidity, which are both critical to a feather's aerodynamic performance. Here, we describe the relationship between barb geometry and aerodynamic function across the evolutionary history of asymmetrical flight feathers, from Mesozoic taxa outside of modern avian diversity (Microraptor, Archaeopteryx, Sapeornis, Confuciusornis and the enantiornithine Eopengornis) to an extensive sample of modern birds. Contrary to previous assumptions, we find that...

Data from: Biotic predictors complement models of bat and bird responses to climate and tree diversity in European forests

Luc Barbaro, Eric Allan, Evy Ampoorter, Bastien Castagneyrol, Yohan Charbonnier, Hans De Wandeler, Christian Kerbiriou, Harriet Milligan, Aude Vialatte, Monique Carnol, Marc Deconchat, Pallieter De Smedt, Herve Jactel, Julia Koricheva, Isabelle Le Viol, Bart Muys, Michael Scherer-Lorenzen, Kris Verheyen & Fons Van Der Plas
Bats and birds are key providers of ecosystem services in forests. How climate and habitat jointly shape their communities is well studied, but whether biotic predictors from other trophic levels may improve bird and bat diversity models is less known, especially across large bioclimatic gradients. Here, we achieved multi-taxa surveys in 209 mature forests replicated in six European countries from Spain to Finland, to investigate the importance of biotic predictors (i.e., the abundance or activity...

Data from: The origin of modern frogs (Neobatrachia) was accompanied by acceleration in mitochondrial and nuclear substitution rates

Iker Irisarri, Diego San Mauro, Federico Abascal, Annemarie Ohler, Miguel Vences & Rafael Zardoya
BACKGROUND: Understanding the causes underlying heterogeneity of molecular evolutionary rates among lineages is a long-standing and central question in evolutionary biology. Although several earlier studies showed that modern frogs (Neobatrachia) experienced an acceleration of mitochondrial gene substitution rates compared to non-neobatrachian relatives, no further characterization of this phenomenon was attempted. To gain new insights on this topic, we sequenced the complete mitochondrial genomes and nine nuclear loci of one pelobatoid (Pelodytes punctatus) and five neobatrachians,...

Data from: Spatial heterogeneity in the Mediterranean Biodiversity Hotspot affects barcoding accuracy of its freshwater fishes

Matthias F. Geiger, Fabian Herder, Michael T. Monaghan, Vitor Almada, Roberta Barbieri, Michel Bariche, Patrick Berrebi, Jörg Bohlen, Miriam Casal-Lopez, Gaël P. J. Denys, Agnès Dettai, Ignacio Doadrio, Elena Kalogianni, Heiko Kärst, Maurice Kottelat, Marcelo Kovačić, Martin Laporte, Massimo Lorenzoni, Zoran Marčić, Müfit Özuluğ, Anabel Perdices, Silvia Perea, Henri Persat, Stefano Porcellotti, Cesare Puzzi … & G. B. Delmastro
Incomplete knowledge of biodiversity remains a stumbling block for conservation planning, and even occurs within globally important Biodiversity Hotspots. Although technical advances have boosted the power of molecular biodiversity assessments, the link between DNA sequences and species and the analytics to discriminate entities, remain crucial. Here, we present an analysis of the first DNA barcode library for the freshwater fish fauna of the Mediterranean Biodiversity Hotspot (526 spp.), with virtually complete species coverage (498 spp.,...

Data from: The survival-reproduction association becomes stronger when conditions are good

Alexandre Robert, Mark Bolton, Frédéric Jiguet & Joël Bried
Positive covariations between survival and reproductive performance (S-R covariation) are generally interpreted in the context of fixed or dynamic demographic heterogeneity (i.e., persistent differences between individuals, or dynamic variation in resource acquisition), but the processes underlying covariations are still unknown. We used multi-event modelling to investigate how environmental and individual features influence S-R covariation patterns in a long-lived seabird, the Monteiro’s storm-petrel (Oceanodroma monteiroi). Our analysis reveals that a strong positive association between individual breeding...

Data from: An evaluation of fossil tip-dating versus node-age calibrations in tetraodontiform fishes (Teleostei: Percomorphaceae)

Dahiana Arcila, R. Alexander Pyron, James C. Tyler, Guillermo Ortí & Ricardo Betancur-R.
Time-calibrated phylogenies based on molecular data provide a framework for comparative studies. Calibration methods to combine fossil information with molecular phylogenies are, however, under active development, often generating disagreement about the best way to incorporate paleontological data into these analyses. This study provides an empirical comparison of the most widely used approach based on node-dating priors for relaxed clocks implemented in the programs BEAST and MrBayes, with two recently proposed improvements: one using a new...

To hop or not to hop? the answer is in the bird trees

Pauline Provini & Elizabeth Höfling
Birds can use different types of gaits to move on the ground: they either walk, hop, or run. Although velocity can easily explain a preference for running, it remains unclear what drives a bird species to favour hopping over walking. As many hopping birds are relatively small and arboreal, we wanted to test the link between size, arboreality and hopping ability. First, we carried out ancestral character state reconstructions of size range, hopping ability and...

Modifications of the rainforest frugivore community are associated with reduced seed removal at the community level

Olivier Boissier
Tropical rainforests worldwide are under increasing pressure from human activities, which are altering key ecosystem processes such as plant-animal interactions. However, while the direct impact of anthropogenic disturbance on animal communities has been well studied, the consequences of such defaunation for mutualistic interactions such as seed dispersal remains chiefly understood at the plant species level. We asked whether communities of endozoochorous tree species had altered seed removal in forests affected by hunting and logging and...

Redescription of the cranial skeleton of the Early Devonian (Emsian) sarcopterygian Durialepis edentatus Otto, 2007 (Dipnomorpha; Porolepiformes)

Sam Giles, Jorge Mondéjar-Fernández & Matt Friedman
Porolepiforms represent a clade of Devonian stem lungfishes, divided into the cosmine-bearing and likely paraphyletic ‘Porolepidae’ (e.g., Porolepis, Heimenia) and the cosmine-free and stratigraphically younger Holoptychiidae (e.g., Holoptychius, Glyptolepis, Laccognathus). Data on the dermoskeleton are available for both groups, but are more limited for ‘porolepids’. Here we present new information on the ‘porolepid’ Durialepis edentatus from the Emsian (Early Devonian) of Germany based on micro-CT scanning. The material comprises an articulated skull of a single...

Phylogenomic analysis sheds light on the evolutionary pathways towards acoustic communication in Orthoptera

Hojun Song, Olivier Béthoux, Seunggwan Shin, Alexander Donath, Harald Letsch, Shanlin Liu, Duane D. McKenna, Guanliang Meng, Bernhard Misof, Lars Podsiadlowski, Xin Zhou, Benjamin Wipfler & Sabrina Simon
Acoustic communication is enabled by the evolution of specialised hearing and sound producing organs. In this study, we performed a large-scale macroevolutionary study to understand how both hearing and sound production evolved and affected diversification in the insect order Orthoptera, which includes many familiar singing insects, such as crickets, katydids, and grasshoppers. Using phylogenomic data, we firmly establish phylogenetic relationships among the major lineages and divergence time estimates within Orthoptera, as well as the lineage-specific...

Unravelling species co-occurrence in a steppe bird community of Inner Mongolia: insights for the conservation of the endangered Jankowski’s Bunting

Zheng Han, Lishi Zhang, Yunlei Jiang, Haitao Wang & Frédéric Jiguet
Aim: To evaluate the patterns of bird assemblage and distribution in an endangered grassland system, taking into accounts both environmental and biotic effects. To further focus on an endangered songbird and associated steppe birds. Location: Inner Mongolia, China Methods: We investigated the relative importance of abiotic and biotic factors driving the abundance and co-occurrence of steppe birds in Inner Mongolia by using joint species distribution models. We examined the general patterns of species assemblage, with...

Supplementary material to: Segmental series and size: clade-wide investigation of molar proportions reveals a major evolutionary allometry in the dentition of placental mammals

Guillaume Billet & Jérémie Bardin
Iterative segments such as teeth or limbs are a widespread characteristic of living organisms. While their proportions may be governed by similar developmental rules in vertebrates, there is no emerging pattern as regards their relation to size. Placental mammals span eight orders of magnitude in body size and show a wide spectrum of dietary habits associated with size and reflected in their dentitions, especially molars. Although variation in size constitutes an important determinant for variation...

Extensive photobiont sharing in a rapidly-radiating cyanolichen clade

Manuela Dal Forno & Robert Lücking
Recent studies have uncovered remarkable diversity Dictyonema s.lat. basidiolichens, here recognized as subtribe Dictyonemateae. This group includes five genera and 148 species, but hundreds more await description. The photobionts of these lichens belong to Rhizonema, a recently resurrected cyanobacterial genus known by a single species. To further investigate photobiont diversity within Dictyonemateae, we generated 765 new cyanobacterial sequences from 635 specimens collected from 18 countries. The ITS barcoding locus supported the recognition of 200 mycobiont...

Intraspecific variation and energy channel coupling within a Chilean kelp forest

Emma Elliott Smith, Chris Harrod, Felipe Docmac, Seth Newsome & Emma Elliott Smith
The widespread importance of variable types of primary production, or energy channels, to consumer communities has become increasingly apparent. However, the mechanisms underlying this ‘multichannel’ feeding remain poorly understood, especially for aquatic ecosystems that pose unique logistical constraints given the diversity of potential energy channels. Here, we use bulk tissue isotopic analysis along with carbon isotope (δ13C) analysis of individual amino acids to characterize the relative contribution of pelagic and benthic energy sources to a...

Data from: Protein-encoding ultraconserved elements provide a new phylogenomic perspective of Oestroidea flies (Diptera, Calyptratae)

Eliana Buenaventura, Michael W. Lloyd, Juan Manuel Perilla López, Vanessa L. González, Arianna Thomas-Cabianca & Torsten Dikow
The diverse superfamily Oestroidea with more than 15,000 known species includes among others, blow flies, flesh flies, bot flies, and the diverse tachinid flies. Oestroidea exhibit strikingly divergent morphological and ecological traits, but even with a variety of data sources and inferences there is no consensus on the relationships among major Oestroidea lineages. Phylogenomic inferences derived from targeted enrichment of ultraconserved elements or UCEs have emerged as a promising method for resolving difficult phylogenetic problems...

Positive selection and inactivation in vision and hearing genes of cetaceans

Michael McGowen, Georgia Tsagkogeorga, Joseph Williamson, Phillip Morin & Stephen Rossiter
The transition to an aquatic lifestyle in cetaceans (whales and dolphins) resulted in a radical transformation in their sensory systems. Toothed whales acquired specialized high-frequency hearing tied to the evolution of echolocation, while baleen whales evolved low-frequency hearing. More generally, all cetaceans show adaptations for hearing and seeing underwater. To determine the extent to which these phenotypic changes have been driven by molecular adaptation, we performed large-scale targeted sequence capture of 179 sensory genes across...

Underlying data for: Influence of temporally varying weatherability on CO2-climate coupling and ecosystem change in the late Paleozoic

Jon Richey, Isabel Montañez, Yves Goddéris, Cindy Looy, Neil Griffis & William DiMichele
This dataset contains the primary data used as input parameters in a mechanistic stomatal CO2 model (Franks et al., 2014 (Geophysical Research Letters)) and the Paleosol Barometer Uncertainty Quantifier (i.e., PBUQ; Breecker, 2013 (Geochemistry, Geophysics, Geosystems)), as well as age-adjusted CO2 data from Montañez et al., 2016 (Nature Geoscience). The stomatal parameters were measured by Richey et al., 2020 (Climate Of The Past) and the paleosol parameters are revised from Montañez et al., 2007 (Science)....

Inter- and intra-archipelago dynamics of population structure and gene flow in a Polynesian bird

Ethan Gyllenhaal, Xena Mapel, Tejashree Modak, Lucas DeCicco, Alivereti Naikatini, Ruth Utzurrum, Joshua Seamon, Jean-Claude Thibault, Alice Cibois, Michael Sorenson, Robert Moyle, Lisa Barrow & Michael Andersen
Islands are separated by natural barriers that prevent gene flow between terrestrial populations and promote allopatric diversification. Birds in the South Pacific are an excellent model to explore the interplay between isolation and gene flow due to the region’s numerous archipelagos and well-characterized avian communities. The wattled honeyeater complex (Foulehaio spp.) comprises three allopatric species that are widespread and common across Fiji, Tonga, Samoa, and Wallis and Futuna. Here, we explored patterns of diversification within...

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