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46 results for “Evolutionary Research”
Science ready spectra and their best-fitting models described in the research paper ``Internal dynamics and stellar content of nine ultra-diffuse galaxies in the Coma cluster prove their evolutionary link with dwarf early-type galaxies'' by Chilingarian et al.
<p>Science ready spectra of nine ultra-diffuse galaxies in the Coma cluster collected with the Binospec multi-object spectrograph and their best-fitting PEGASE.HR templates obtained using the NBursts full spectrum fitting code. These spectra were presented in the paper ``Internal dynamics and stellar content of nine ultra-diffuse galaxies in the Coma cluster prove their evolutionary link with dwarf early-type galaxies'' by Chilingarian et al. accepted for publication in the Astrophysical Journal on Sep/3/2019 (arXiv:1901.05489).</p> <p>Each spectrum is presented as a binary FITS table, which contains a spectrum (wavelength, flux, uncertainties), best-fitting template, best-fitting parameters (radial velocity, age, metallicity), and a pixel mask used in the fitting procedure. For six galaxies there are two files provided: (i) one-dimensional optimally extracted integrated spectrum and (ii) two dimensional spectrum for spatially resolved radial velocity information. For the remaining three galaxies, only spatially resolved spectra are provided.</p>
Data from: Visualizing connectivity of ecological and evolutionary concepts – an exploration of research on plant species rarity
<p>Understanding the ecological and evolutionary factors that influence species rarity has important theoretical and applied implications, yet the reasons why some species are rare while others are common remain unresolved. As a novel exploration of scientific knowledge, we used network analysis conceptually to visualize the foci of a comprehensive base of >800 studies on plant species rarity within the context of ecology and evolution. In doing so, we highlight existing research strengths that could substantiate novel syntheses and gaps that could inspire new research. Our results reveal strong integrated foci on population dynamics with other ecological concepts. In contrast, despite the potential for ecological and evolutionary processes to interact, few studies explored the interplay of environmental factors and microevolutionary patterns. The cellular and molecular biology, physiology, and plasticity of rare plant species within both ecological and evolutionary contexts similarly provide avenues for impactful future investigations.</p>
Fig. 2 in Description of a new syllid species as a model for evolutionary research of reproduction and regeneration in annelids
Fig. 2 SEM images of Typosyllis antoni n. sp. a Anterior end, dorsal view. b Anterior end, ventral view. c Detail of anterior end, dorsal view. d Anterior end, lateral view. e Midbody segments, ventral view. f Midbody parapodia, lateral view
Fig. 6 in Description of a new syllid species as a model for evolutionary research of reproduction and regeneration in annelids
Fig. 6 Confocal maximum projections of Typosyllis antoni n. sp. Phalloidin–rhodamine (gray) and serotonin labeling (red) of cross sections (a–c) and the proventricle (d, e) of adult specimens. Dorsal is up in a–c. Anterior is up in d and right in e. a Cross section of the midbody region, the prominent longitudinal muscle bundles are colored in yellow. The insert shows a detailed view of the parapodium, and major muscle bundles are color coded— parapodial retractor muscle in brown, acicular protractor muscle in green, acicular flexor muscle in violet, chaetal flexor muscle in pink, cirral muscle bundle in blue. b Cross section showing the distinct proventricle (pr) filling almost the whole body cavity. The longitudinal muscle bundles are color coded in yellow. c The proventricle (pr) and the ventral nerve cord (vn) show distinct serotonergic immunoreactivity. d The separated proventricle (pr) exhibits radial honeycomb-like muscle bundles (rb, dotted circle) and prominent circular muscle fibers (cf) surrounding the whole structure. e The separated proventricle (pr) is represented by an anterior circular muscle bundle (am) and suspending muscles (sm) terminating at the border between the anterior circular muscle bundle (am) and the radial muscle bundles (rb). am anterior circular muscle bundle, cf circular muscle fiber, dc dorsal cirrus, dv dorsoventral muscle fibers, in intestine, mm median muscle bundle, pa parapodium, pr proventricle, rb radial muscle bundle, sm suspending muscle fiber, vn ventral nerve cord. Scale bar=100 μm (color figure online)
Fig. 10 in Description of a new syllid species as a model for evolutionary research of reproduction and regeneration in annelids
Fig. 10 Most parsimonius tree. Jacknife support values above nodes. Syllis and Typosyllis species as they were described. Drawings from up to down: chaetae of Syllis benbeliahue (after Aguado and San Martín 2006),
Fig. 8 in Description of a new syllid species as a model for evolutionary research of reproduction and regeneration in annelids
Fig. 8 Light microscopy pictures of regenerating specimens of Typosyllis antoni n. sp. All pictures are dorsal views except d2 (ventral view). a, c, e anterior end, b, d1, d2, f posterior end. The dotted white line indicates the site of dissection. a At 4 days after dissection, the re-developing prostomium (ps), as well as the first two segments (1, 2) are visible (in other specimens also three segments were observed). The prostomium shows palps (pl), antenna (la, ma) and two pairs of eyes (ey). Dorsal tentacular cirri (dt) of the first segment occur. b After 4 days, the pygidium (py) with the anal cirri (ac) and the median papillae (mp) are regenerated. c At 6 days, all in a described anterior structures have grown. Pharynx (ph) is re-developed, connecting the mouth opening (not visible) with the
Fig. 4 in Description of a new syllid species as a model for evolutionary research of reproduction and regeneration in annelids
Fig. 4 Light microscopy pictures of Typosyllis antoni n. sp. a Anterior chaetae, most dorsal ones and medially located in the fascicle. b Anterior chaetae, most dorsal ones. c Anterior chaetae, medially and most ventral ones. d. Anterior aciculae. e Midbody chaetae, most dorsal ones and medially located in the fascicle. f Midbody chaeta, most dorsal one. g Dorsal simple chaeta, posterior parapodium. h Ventral simple chaeta,
Dataset for "Evolutionary Dynamics and Mechanisms of Chain-style Landslide Dam Failure Hazard: Insights from Experimental Field Research"
<p>Yang et al. (2024) Dataset for "Evolutionary Dynamics and Mechanisms of Chain-style Landslide Dam Failure Hazard: Insights from Experimental Field Research", Journal of Geophysical Research-Earth Surface.</p> <p>The data that support the findings of this study are available on request from the corresponding author upon reasonable request.</p>
Data from: Visualizing connectivity of ecological and evolutionary concepts – an exploration of research on plant species rarity
Open the record for dataset details and reuse information.
Figure 4 from: Kaneko N, Wada K (2020) Catalogue of the type material of Scarabaeoidea (Coleoptera) deposited in the Research Institute of Evolutionary Biology, Tokyo, Japan. ZooKeys 958: 35-89. https://doi.org/10.3897/zookeys.958.52799
Figure 4 Habitus of holotype specimens. AHoplia simillima Miyake BHoplia taiwana Miyake CMaladera hiranoi Miyake DMaladera kusuii Miyake ENematophylla sugiharai Miyake FPseudohoplia shibatai makiharai Miyake GPseudohoplia shibatai matsudai Miyake HParatrichius kyushuensis Miyake.
Figure 3 from: Kaneko N, Wada K (2020) Catalogue of the type material of Scarabaeoidea (Coleoptera) deposited in the Research Institute of Evolutionary Biology, Tokyo, Japan. ZooKeys 958: 35-89. https://doi.org/10.3897/zookeys.958.52799
Figure 3 Habitus of holotype specimens. AApogonia terminalis Miyake, Yamagushi et Akiyama BApogonia unidentata Miyake, Yamaguchi et Akiyama CDichelomorpha sublineata Miyake DHolomelia gigantea Miyake EHolotrichia loochooana umebayashii Miyake FHolotrichia yamayai Miyake et Yamaguchi GHoplia choui Miyake HHoplia nakanei Miyake.
Figure 2 from: Kaneko N, Wada K (2020) Catalogue of the type material of Scarabaeoidea (Coleoptera) deposited in the Research Institute of Evolutionary Biology, Tokyo, Japan. ZooKeys 958: 35-89. https://doi.org/10.3897/zookeys.958.52799
Figure 2 Habitus of holotype and neotype specimens. AMalaia toraja Miyake BMimela kitanoi Miyake CMimela marginipennis Miyake DSpinanomala moritai Miyake EPeltonotus morio Burmeister FPeltonotus morio sawaii Miyake GApogonia ohmomoi Miyake HApogonia ovata Miyake et Yamaguchi.
Figure 6 from: Kaneko N, Wada K (2020) Catalogue of the type material of Scarabaeoidea (Coleoptera) deposited in the Research Institute of Evolutionary Biology, Tokyo, Japan. ZooKeys 958: 35-89. https://doi.org/10.3897/zookeys.958.52799
Figure 6 Habitus of holotype specimens. ADasyvalgus nudis Miyake BDasyvalgus rubrothoracicus Miyake CHybovalgus matsudai Miyake DNeovalgus formosanus Miyake EOreoderus quadrimaculatus Miyake FTarsovalgus hatai Miyake.
Figure 5 from: Kaneko N, Wada K (2020) Catalogue of the type material of Scarabaeoidea (Coleoptera) deposited in the Research Institute of Evolutionary Biology, Tokyo, Japan. ZooKeys 958: 35-89. https://doi.org/10.3897/zookeys.958.52799
Figure 5 Habitus of holotype specimens. ATibiotrichius vietnamensis Miyake BCharitovalgus banzai Sawada CDasyvalgus annamensis Miyake DDasyvalgus castaneodorsalis Miyake EDasyvalgus decamaculatus Miyake FDasyvalgus flavicauda Miyake GDasyvalgus macacus Miyake HDasyvalgus multicus Miyake.
Figure 1 from: Kaneko N, Wada K (2020) Catalogue of the type material of Scarabaeoidea (Coleoptera) deposited in the Research Institute of Evolutionary Biology, Tokyo, Japan. ZooKeys 958: 35-89. https://doi.org/10.3897/zookeys.958.52799
Figure 1 Habitus of holotype specimens. ARhyparus kitanoi (Miyake) BAdoretus (Lepadoretus) ubonensis (Miyake, Yamaguchi et Aoki) CAnomala flavoguttata Miyake DAnomala ohmomoi Miyake, Yamaguchi et Aoki EAnomala thailandiana Miyake, Yamaguchi et Akiyama FCallistethus isidai Miyake GMalaia castanoptera Miyake HMalaia macassara Miyake.
Data from: Tackling extremes: challenges for ecological and evolutionary research on extreme climatic events
1. Extreme climatic events (ECEs) are predicted to become more frequent as the climate changes. A rapidly increasing number of studies - though few on animals - suggest that the biological consequences of ECEs can be severe. 2. However, ecological research on the impacts of extreme climatic events (ECEs) has been limited by a lack of cohesiveness and structure. ECEs are often poorly defined and have often been confusingly equated with climatic variability, making comparison between studies difficult. Additionally, a focus on short-term studies has provided us with little information on the long-term implications of ECEs, and the descriptive and anecdotal nature of many studies has meant it is still unclear what the key research questions are. 3. Synthesizing the current state of work is essential to identify ways to make progress. We conduct a synthesis of the literature and discuss conceptual and practical challenges faced by research on ECEs. 4. We consider three steps to advance research. First, we discuss the importance of choosing an ECE definition and identify the pros and cons of 'climatological' and 'biological' definitions of ECEs. Second, we advocate research beyond short-term descriptive studies to address questions concerning the long-term implications of ECEs, focussing on selective pressures and phenotypically plastic responses and how they might differ from responses to a changing climatic mean. Finally, we encourage a greater focus on multi-event studies that help us understand the implications of changing patterns of ECEs, through the combined use of modelling, experimental and observational field studies. 5. This paper aims to open a discussion on the definitions, questions and methods currently used to study ECEs, which will lead to a more cohesive approach to future ECE research.
Data from: A call for more transparent reporting of error rates: the quality of AFLP data in ecological and evolutionary research
Despite much discussion of the importance of quantifying and reporting genotyping error in molecular studies, it is still not standard practice in the literature. This is particularly a concern for amplified fragment length polymorphism (AFLP) studies, where differences in laboratory, peak-calling and locus-selection protocols can generate data sets varying widely in genotyping error rate, the number of loci used and potentially estimates of genetic diversity or differentiation. In our experience, papers rarely provide adequate information on AFLP reproducibility, making meaningful comparisons among studies difficult. To quantify the extent of this problem, we reviewed the current molecular ecology literature (470 recent AFLP articles) to determine the proportion of studies that report an error rate and follow established guidelines for assessing error. Fifty-four per cent of recent articles do not report any assessment of data set reproducibility. Of those studies that do claim to have assessed reproducibility, the majority (~90%) either do not report a specific error rate or do not provide sufficient details to allow the reader to judge whether error was assessed correctly. Even of the papers that do report an error rate and provide details, many (≥23%) do not follow recommended standards for quantifying error. These issues also exist for other marker types such as microsatellites, and next-generation sequencing techniques, particularly those which use restriction enzymes for fragment generation. Therefore, we urge all researchers conducting genotyping studies to estimate and more transparently report genotyping error using existing guidelines and encourage journals to enforce stricter standards for the publication of genotyping studies.
Figure 1 from: Sánchez-Fernández D, Rizzo V, Bourdeau C, Cieslak A, Comas J, Faille A, Fresneda J, Lleopart E, Millán A, Montes A, Pallares S, Ribera I (2018) The deep subterranean environment as a model system in ecological, biogeographical and evolutionary research. Subterranean Biology 25: 1-7. https://doi.org/10.3897/subtbiol.25.23530
Figure 1 Relationship between the temperature inside the cave and the surface (Mean Annual Temperature (°C) of each pixel (0.08° cells).
Figure 8 from: Ronquist F, Nylander JAA, Vårdal H, Nieves-Aldrey JL (2018) Life history of Parnips and the evolutionary origin of gall wasps. Journal of Hymenoptera Research 65: 91-110. https://doi.org/10.3897/jhr.65.24115
Figure 8 Scanning electron micrographs of an intermediate-stage (a) and a mature terminal-instar (b) larva of Parnips sp. B.
Figure 6 from: Ronquist F, Nylander JAA, Vårdal H, Nieves-Aldrey JL (2018) Life history of Parnips and the evolutionary origin of gall wasps. Journal of Hymenoptera Research 65: 91-110. https://doi.org/10.3897/jhr.65.24115
Figure 6 a Measurements of galls and pupae of Barbotiniaoraniensis and Parnipsnigripes (F = female, M = male). Galls containing females are larger than galls containing males (ANOVA: F = 8.075, df = 1, p = 0.006) but galls attacked by Parnips do not differ in diameter from normal Barbotinia galls (p = 0.51) b Female pupae are heavier than male pupae (F = 18.35, df = 1, p < 0.0001) but Barbotinia pupae do not differ in weight from Parnips pupae (p = 0.90) cBarbotinia galls attacked by Parnips have relatively thicker walls than normal galls (F = 6.98, df = 1, p = 0.01) both in females and males. Barbotinia females n = 20, males n = 18, Parnips females n = 27, males n = 15.
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.