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888 results for “Canary”
Dataset of 40Ar/39Ar ages from the Canary Islands_Esfinge y Tamaraceite (Gran Canaria)
<p>Lava dating by means of Ar / Ar radiometric analysis performed by the University of Oregon de La Esfinge y Tamaraceite (Gran Canaria, Canary Islands)</p>
Figure 1 in Halacaridae (Acari) from Tenerife (Canary Islands)
Figure 1. Map showing collecting localities for halacarid mite species in Tenerife.
Figure 2 in Halacaridae (Acari) from Tenerife (Canary Islands)
Figure 2. Sampling locations in Tenerife – A. El Pris; B. La Barranquera.
Changes in community-weighted trait mean, functional diversity, soil chemical properties and temperature along an elevational gradient in Tenerife, Canary Islands
<p>This dataset comprises community-weighted trait means and functional diversity of leaf traits, chemical soil properties and temperature recorded in roadside (disturbed) and interior (less disturbed) plots, along an elevational gradient of 2,300 m in Tenerife, Canary Islands. The leaf traits measured were specific leaf area (SLA), nitrogen, nitrogen to phosphorus ratio, leaf dry matter content (LDMC) and carbon to phosphorus ratio. The soil chemical properties measured were pH, nitrogen, nitrogen to phosphorus ratio, carbon to phosphorus ratio, calcium, potassium, magnesium and cation exchange capacity. Also the scores of the three first axes derived from a PCA analysis including the soil chemical properties are included. The temperature variables consist of bioclimatic variables Bio10 (mean temperature of the warmest quarter) and Bio11 (mean temperature of the coldest quarter). This dataset has been used for the analysis presented in Ratier Backes et al. (2021).</p>
Song recordings and annotation files of 3 canaries used to evaluate training of TweetyNet models for birdsong segmentation and annotation
<p>Many analyses of birdsong require time-consuming manual annotation of the individual elements of song, known as syllables or notes. We developed the first automated algorithm for birdsong annotation, "TweetyNet", that is applicable to complex song such as canary song. TweetyNet is trained with a small amount of hand-labeled data using supervised learning methods. We evaluate the amount of data required for training TweetyNet models using vocalizations of two songbird species - Bengalese finches and Canaries. This dataset contains song audio files and their accompanying annotation files for the three canaries used in this analysis.</p>
Morphological traits of the flora of the Canary Islands
<p><span><strong>Aim:</strong> </span><span>Functional traits can help elucidate biogeographical and ecological processes driving assemblage structure. We analysed the functional diversity of plant species of different evolutionary origins across an island archipelago, along environmental gradients and across geological age, to assess functional aspects of island biogeographic theory.</span></p> <p><strong><span>Location: </span></strong><span>Canary Islands, Spain.</span></p> <p><span><strong>Major taxa studied:</strong> </span><span>Spermatophytes.</span></p> <p><strong><span>Time period</span></strong><span><strong>:</strong> Present-day.</span></p> <p><span><strong>Methods:</strong> </span><span>We collected data for four traits (plant height, leaf length, flower length and fruit length) associated with resource acquisition, competitive ability, reproduction and dispersal ability of 893 endemic, non-endemic native and alien plant species (~43 % of the Canary Island flora) from the literature. Linking these traits to species' occurrences and composition across a 500 m x 500 m grid, we calculated functional diversity for endemic, non-endemic native and alien assemblages using multi-dimensional functional hypervolumes and related the resulting patterns to climatic (humidity) and island biogeographic (geographical isolation, topographic complexity, geological age) gradients.</span></p> <p><span><strong>Results:</strong> Trait space of endemic and non-endemic native species overlapped considerably, while alien species added novel trait combinations, expanding the overall functional space of the Canary Islands. We found that functional diversity of endemic plant assemblages was highest in geographically isolated and humid grid cells. Functional diversity of non-endemic native assemblages was highest in less isolated and humid grid cells. In contrast, functional diversity of alien assemblages was highest in arid ecosystems. Topographic complexity and geological age only had a subordinate effect on functional diversity across floristic groups.</span></p> <p><span><strong>Main conclusions:</strong> </span><span>We found that endemic and non-endemic native island species possess similar traits, while alien species tend to expand functional space in ecosystems where they have been introduced. The spatial distribution of the floristic groups' functional diversity is very distinct across environmental gradients, indicating that species assemblages of different evolutionary origins functionally thrive in dissimilar habitats.</span></p>
The non-dereliction in evolution: Trophic specialisation drives convergence in the radiation of red devil spiders (Araneae: Dysderidae) in the Canary Islands
<p>Natural selection plays a key role in deterministic evolution, as clearly illustrated by adaptive radiations. Unlike most spiders, <em>Dysdera</em> species display a high variability of cheliceral morphologies, which has been suggested to reflect different levels of specialisation to feed on isopods. In this study, we integrate geometric morphometrics and experimental trials with a fully resolved phylogeny of the highly diverse endemic species from the Canary Islands to (1) characterize cheliceral morphologies, (2) unravel their dietary function, (3) examine if they evolved multiple times independently (4) verify whether convergent evolution of morphotypes has occurred and (5) test if specialization could lead to evolutionary irreversibility. We show the existence of nine cheliceral morphotypes and uncovered their significance for trophic ecology. Further, we demonstrate that similar ecomorphs evolved multiple times in the archipelago, providing a novel study system to explain how convergent evolution and irreversibility due to specialization may be combined to shape phenotypic diversification in adaptive radiations.</p>
Geothermal and structural features of La Palma island (Canary Islands) imaged by ambient noise tomography
<p>These folders contain all the results obtained in the ambient noise tomography of La Palma for geothermal exploration. </p>
Supporting Data of Bonadonna et al. "Physical Characterization of Long-Lasting Hybrid Eruptions: the Tajogaite Eruption of Cumbre Vieja (La Palma, Canary Islands)"
<p>Data on plume height, volcanic tremor, deposit thinning and lava emissions of Bonadonna et al. "Physical Characterization of Long-Lasting Hybrid Eruptions: the Tajogaite Eruption of Cumbre Vieja (La Palma, Canary Islands)"</p>
Figs. 3-8 in Thorictus eiselti sp. nov., a new species from Canary Islands (Coleoptera¡ Dermestidae¡ Thorictinae).
Figs. 3-8.- Latero-apical part of pronotum¡
Fig. 1 in Ocypus (Pseudocypus) aethiops (Waltl, 1835) - new but not unexpected rove beetle in Canary Islands (Coleoptera, Staphylinidae)
Fig. 1. Ocypus aethiops (Waltl) - a specimen caught by author; scale bar = 2 mm
Fig. 1 in Pine Forest Earthworms From Canary Islands (Tenerife And Gran Canaria)
Fig. 1. Maps of Tenerife and Gran Canaria with the sites mentioned in Appendix 1
Videos of lava flows on 16th November 2021 at the South Delta of the 2021 Cumbre Vieja eruption (La Palma, Canary Islands).
<p>Videos of field observations made on 16th November 2021 at 15:00 UTC from a point (UTM coordinates 28-R, 213992, 3167808 ) on the coastline of the South lava delta formed during the 2021 eruption of Cumbre Vieja volcanic rift at La Palma (Canary Islands).</p> <p>Video 1 shows a high-mobility lava flowed down the marine cliff over a well-developed ramp.</p> <p>Video 2 shows the ocean entrance of the lava flow, accompanied by the formation of a large gas plume in which vertical steam jets containing dark particulate matter. These jets, up to 10 m high, included lava fragments of diameter >10 cm that were projected to a maximum of 10–15 m away, following ballistic trajectories until falling into the sea and often leaving traces of white steam behind them. </p>
Fig. 1 in First record of the Cylapine mirid bug Fulvius borgesi Chérot, J. Ribes & Gorczyca, 2006 (Heteroptera: Miridae) in the Canary Islands.
Fig. 1.- In vivo habitus of the species F. borgesi. Mazo, La Palma. (Photo R. García-Becerra).
Fig. 1 in Updated check-list and geographic database of new chorological data of true bugs (Insecta, Hemiptera, Heteroptera) from the Canary Islands.
Fig. 1.- Map of the Canary Islands.
Figure 1 in On the presence of Trachinus pellegrini (Trachinidae) in the Canary and Cape Verde Islands (north-eastern Atlantic)
Figure 1. - The Canary and Cape Verde Islands. Collection locations for Trachinus pellegrini (Ì).
Figure 1 in New records of non-indigenous fishes (Perciformes and Tetraodontiformes) from the Canary Islands (north-eastern Atlantic)
Figure 1. - The Canary Islands and the study area.
Figure 1 in The family Bramidae (Perciformes) from the Canary Islands (Northeastern Atlantic Ocean), with three new records
Figure 1. - The Canary Islands. Collection locations (l).
Checklist of lichens from the Volcanic Rocks of Spain (Canary Islands excluded)
<p><span>The dataset includes 3529 records of 395 species. It includes: (1) data from several field studies conducted in the volcanic area of the central zone (Campo de Calatrava) during the years 2021-2024; (2) records from collections made in 2006 in the Chafarinas Islands; and (3) bibliographic data from other volcanic areas of Spain (excluding the Canary Islands). In the central zone (basalts), 171 species have been identified; in the E-SE zone (basalts), 84 species; in the SE zone (mainly andesites), 146 species; in the NE zone (basalts), 108 species; on the Chafarinas archipelago (mainly andesites), 59 species; on the Columbretes Islands (basalts), 70 species; and on the Alborán Island, less studied, only 6 species have been identified. The checklist is annotated with information about the species, province, municipality, locality, geographical position, altitude, habitat type, collector’s name, date, and associated reference.</span></p>
Perineuronal nets in HVC and plasticity in male canary song
<p>Songbirds learn their vocalizations during developmental sensitive periods of song memorization and sensorimotor learning. Some seasonal songbirds, called open-ended learners, recapitulate transitions from sensorimotor learning and song crystallization on a seasonal basis during adulthood. In adult male canaries, sensorimotor learning occurs each year in autumn and leads to modifications of the syllable repertoire during successive breeding seasons. We previously showed that perineuronal nets (PNN) expression in song control nuclei decreases during this sensorimotor learning period. Here we explored the causal link between PNN expression in adult canaries and song modification by enzymatically degrading PNN in HVC, a key song control system nucleus. Three independent experiments identified limited effects of the PNN degradation in HVC on the song structure of male canaries. They clearly establish that presence of PNN in HVC is not required to maintain general features of crystallized song. Some suggestion was collected that PNN are implicated in the stability of song repertoires but this evidence is too preliminary to draw firm conclusions and additional investigations should consider producing PNN degradations at specified time points of the seasonal cycle. It also remains possible that once song has been crystallized at the beginning of the first breeding season, PNN no longer play a key role in determining song structure; this could be tested by treatments with chondroitinase ABC at key steps in ontogeny. It would in this context be important to develop multiple stereotaxic procedures allowing the simultaneous bilateral degradation of PNN in several song control nuclei for extended periods.</p>
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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.