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888 results for “Canary”
Figures 87–98 in The genus Pholcus (Araneae, Pholcidae) in the Canary Islands
Figures 87–98. Pholcus tenerifensis: 87, male chelicerae, frontal; 88, distal apophysis of male chelicerae, frontal; 89, male palp, prolateral; 90, male chelicerae, lateral; 91, projections of the bulb, prolateral; 92, male gonopore, ventral; 93, small retrolateral teeth of the procursus, retrolateral; 94, apical apophysis of the procursus, ventral; 95, procursus, dorsoretrolateral; 96, procursus, retrolateral; 97, anterior lateral spinnerets; 98, male tarsal organ. Scale bars: 87, 90, 91, 95, 96, 200 µm; 92 and 94, 100 µm; 88, 93, 97, 50 µm; 89, 500 µm; 98, 20 µm.
Figures 32–43 in The genus Pholcus (Araneae, Pholcidae) in the Canary Islands
Figures 32–43. Pholcus gomerae: 32, male chelicerae, frontal; 33, male chelicerae, lateral; 34, male gonopore, ventral (Dimitrov & Ribera, 2005a); 35, anterior lateral spinnerets; 36, posterior median spinnerets; 37, apical apophysis of the procursus, ventral; 38, procursus, dorsal; 39, small teeth on the procursus, dorsal; 40, apex of the distal apophysis of male chelicerae; 41, projections of the male bulb, dorso-retrolateral; 42, procursus, retrolateral; 43, procursus, prolateral. Scale bars: 33, 38, 41–43, 200 µm; 34, 37, 39, 100 µm; 36, 40, 20 µm; 35, 50 µm; 32, 500 µm.
Figures 230–237 in The genus Pholcus (Araneae, Pholcidae) in the Canary Islands
Figures 230–237. Pholcus edentatus: 230, male palp, prolateral; 231, male palp, retrolateral; 232, pore plates of the vulva, dorsal view; 233, male palp, frontal; 234, epigynum, lateral; 235, epigynum, ventral; 236, male chelicerae, frontal; 237, vulva, dorsal. Scale bars 0.2 mm.
Figures 160–166 in The genus Pholcus (Araneae, Pholcidae) in the Canary Islands
Figures 160–166. Pholcus multidentatus: 160, male palp, prolateral; 161, male palp, retrolateral; 162, male palp, frontal; 163, epigynum, lateral; 164, epigynum, ventral; 165, male chelicerae, frontal; 166, vulva, dorsal. Scale bars 0.2 mm.
Figure 4 in Parallel evolution in molar outline of murine rodents: the case of the extinct Malpaisomys insularis (Eastern Canary Islands)
Figure 4. Cluster analysis of the shape of the upper molar. Euclidean distances between group means were calculated based on Fourier coefficients up to the ninth harmonic (CF9). Clustering method was UPGMA (unweighted pair-group method, arithmetic average). Symbols as per Fig. 3. For locality and sample abbreviations see Table 1.
Figure 7 in Parallel evolution in molar outline of murine rodents: the case of the extinct Malpaisomys insularis (Eastern Canary Islands)
Figure 7. Relationship between time interval and morphological evolution regarding size (A, C) and shape (B, D) of the first upper molars. Size distance is estimated as differences in A0, shape distance as the Euclidean distance calculated based on the Fourier coefficients of the first nine harmonics. (A, B) Log-log relationship between evolutionary rates and time interval. (C, D) Relationship between time interval and morphological distance. Lines correspond to a linear regression on the Occitanomys/Stephanomys lineage (black line), the Paraethomys lineage (light grey line), and modern taxa (dark grey line). Dotted lines P <0.05; solid line P <0.001. (A) pair including Malpaisomys; (Δ) corresponds to the distance between a pair of Malpaisomys samples, Costa Calma and CVA4. Locality or sample abbreviations per Table 1.
Figure 5 in Parallel evolution in molar outline of murine rodents: the case of the extinct Malpaisomys insularis (Eastern Canary Islands)
Figure 5. Morphological differentiation within Malpaisomys. Size of the first upper (A) and lower (B) molars. Shape of the first upper (C) and lower (D) molars, estimated by the scores on the first and second canonical axes of the analysis of Malpaisomys. The dotted ellipses indicate the 95% confidence interval for each sample.
Fig. 5 in A new genus and species of Polynoidae (Annelida: Polychaeta) from the Canary Islands, and update on taxa present in the Northeast Atlantic
Fig. 5. Webbnesia maculata gen. et sp. nov., holotype (TFMCBM-AN/246). Distal part of neuropodium (posterior view), showing shorter rounded postchaetal lobe and elongate prechaetal acicular lobe with minute supra-acicular process (arrow). Scale bar = 70 µm.
Fig. 1 in A new genus and species of Polynoidae (Annelida: Polychaeta) from the Canary Islands, and update on taxa present in the Northeast Atlantic
Fig. 1. Map of the Canary Islands with type localities. Gran Canaria: 1. East coast, off Tufía (holotype, TFMCBM-AN/246). 2–3. South coast, off Castillo del Romeral (paratypes, TFMCBM-AN/247 and AN/248). Tenerife: 4. South coast, off Granadilla (paratype, SMF 32262).
Fig. 2 in A new genus and species of Polynoidae (Annelida: Polychaeta) from the Canary Islands, and update on taxa present in the Northeast Atlantic
Fig. 2. Webbnesia maculata gen. et sp. nov., holotype (TFMCBM-AN/246). A. Anterior end, elytra removed and left dorsal cirrus of segment 3 missing. B. Right elytron of segment 21. C. Right cirrigerous parapodium of segment 20, posterior view. D. Left elytragerous parapodium of segment 21, posterior view. E. Notochaetae. F. Upper, middle and lower neurochaetae. Scale bar: A= 1.3 mm; B = 1.9 mm; C–D = 0.4 mm; E–F = 40 µm.
Changes in community-weighted trait mean, functional diversity, precipitation, temperature and surface area along an elevational gradient in Tenerife, Canary Islands
<p>This dataset comprises community-weighted trait means and functional diversity of leaf traits, precipitation, temperature and surface area of the elevational belt 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, carbon, phosphorous, nitrogen to carbon ratio, leaf dry matter content (LDMC), sodium, potassium and magnesium. The environmental variables measured are total precipitation of the growing season, mean temperature of the growing season and surface area of the elevation belt. This dataset has been used for the analysis presented in Ratier Backes et al. (in press). Mechanisms behind elevational plant species richness patterns revealed by a trait-based approach. <em>Journal of Vegetation Science</em>.</p>
The ocean tide model CIAM2 for the Canary Islands region (Spain)
<p>Data set of Ocean tide Model for harmonic M2, in the Canary Islands region (Spain). </p> <p>This ocean tide model has been used in the paper "Anelastic response of the Earth's crust underneath the Canary Islands revealed from ocean tide loading observations", by Jose Arnoso, Machiel S. Bos, Maite Benavent, Nigel T. Penna, Sergio Sainz-Maza, submitted to Geophysical Journal International, 2022."<br> </p>
Woodiness and succulence of the Canary Islands flora
<p class="MsoNormal"><span><strong>Aim</strong>: Oceanic islands possess unique floras with high proportions of endemic species. Island floras are expected to be severely affected by changing climatic conditions as species on islands have limited distribution ranges, small population sizes and face the constraints of insularity to track their climatic niches. We aimed to assess how ongoing climate change affects the range sizes of oceanic island plants, identifying species of particular conservation concern.</span></p> <p class="MsoNormal"><span><strong>Location</strong>: Canary Islands, Spain.</span></p> <p class="MsoNormal"><span><strong>Methods</strong>: We combined species occurrence data from single-island endemic, archipelago endemic and non-endemic native plant species of the Canary Islands with data on current and future climatic conditions. Bayesian Additive Regression Trees were used to assess the effect of climate change on species distributions; 71% (n = 502 species) of the native Canary Island species had models deemed good enough. To further assess how climate change affects plant functional strategies, we collected data on woodiness and succulence.</span></p> <p class="MsoNormal"><span><strong>Results</strong>: Single-island endemic species were projected to lose a greater proportion of their climatically suitable area (x̃ = ‑0.36) than archipelago endemics (x̃ = ‑0.28) or non-endemic native species (x̃ = ‑0.26), especially on Lanzarote and Fuerteventura, which are expected to experience less annual precipitation in the future. Moreover, herbaceous single-island endemics were projected to gain less and lose more climatically suitable area than insular woody single-island endemics. In contrast, we found that succulent single-island endemics and non-endemic natives gain more and lose less climatically suitable area.</span></p> <p class="MsoNormal"><span><strong>Main</strong> <strong>conclusions</strong>: While all native species are of conservation importance, we emphasise single-island endemic species not characterised by functional strategies associated with water use efficiency. Our results are particularly critical for other oceanic island floras that are not constituted by such a vast diversity of insular woody species as the Canary Islands.</span></p>
Insights into the Magmatic Feeding System of the 2021 Eruption at Cumbre Vieja (La Palma, Canary Islands) Inferred from Gravity Data Modeling. Remote Sens. 2023, 15, 1936. https://doi.org/10.3390/rs15071936
<p>Paper: Insights into the magmatic feeding system of the 2021 eruption at Cumbre Vieja (La Palma, Canary Islands) inferred from gravity data modeling <br> F. G. Montesinos1,7, S. Sainz-Maza2,7, D. Gómez-Ortiz3, J. Arnoso4,7, I. Blanco-Montenegro5,7, M. Benavent1,7 E. Vélez4,7, N. Sánchez6 and T. Martín-Crespo3</p> <p>1 Facultad de CC. Matemáticas, Universidad Complutense de Madrid. Plaza de Ciencias 3, 28040 Madrid, Spain.<br> 2 Observatorio Geofísico Central (IGN). C/ Alfonso XII, 3. 28014 Madrid, Spain.<br> 3 Dpt. Biología y Geología, Física y Química Inorgánica, ESCET, Universidad Rey Juan Carlos. C/Tulipán s/n, 28933 Móstoles, Madrid, Spain.<br> 4 Instituto de Geociencias (IGEO), CSIC-UCM. C/ Doctor Severo Ochoa, 7. 28040 Madrid, Spain.<br> 5 Departamento de Física, Escuela Politécnica Superior, Universidad de Burgos. Avda. de Cantabria s/n, 09006 Burgos, Spain.<br> 6 Instituto Geológico y Minero de España (IGME, CSIC), Unidad Territorial de Canarias, Alonso Alvarado, 43, 2A, 35003 Las Palmas de Gran Canaria, Spain.<br> 7 Research Group ‘Geodesia’, Universidad Complutense de Madrid, Spain.</p> <p><br> Corresponding author: Fuensanta G. Montesinos (fuensant@ucm.es)</p> <p>This research is supported by the project PID2019-104726GB-I00/AEI/10.13039/501100011033 funded by the Spanish Research Agency. Further, the University Complutense of Madrid (grants Financiación Grupos 2021, UCM 2022-GRFN14/22) and the Spanish Ministry of Science and Innovation (RD 1078/2021, funding for research activities of the CSIC-PIE project CSIC-LAPALMA-07) supported this research.</p> <p>------------------------------------------------------------------------------------------------</p> <p>Responsible Researchers:<br> - Fuensanta González Montesinos, Facultad de CC. Matemáticas, Universidad Complutense de Madrid. Spain<br> fuensant@ucm.esResponsible Researchers: </p> <p>- José Arnoso Sampedro, Instituto de Geociencias (CSIC-UCM), Spain<br> jose_arnoso@csic.es</p> <p> </p> <p><br> >> The use of this data set is limited to academic or research purposes and it have to be referenced</p> <p><br> Zone:Cumbre Vieja (La Palma Island, Spain)<br> Geodetic Coordinates Datum WGS84<br> Gravity(mGal) and Bouguer Gravity anomaly GRS80 (mGal)(Terrain density 2450 kg/m3)</p> <p>The file GravityCumbreVieja_FGMontesinos_et_al.dat includes the values of gravity and complete Bouguer gravity anomaly (GRS80) calculated for the land gravity stations at the Cumbre Vieja area (La Palma Island, Spain). The gravity values were observed in 142 land gravity stations (Figure 3 in the manuscript) by our group in 2005 and 2021 surveys The positions of the stations were selected to cover most of the Cumbre Vieja area, and the coordinates were obtained by differential GPS (WGS84 Datum). The gravity observations were processed taking into account the usual corrections (instrument height, drift, jumps, etc.). The tidal correction was calculated from gravity tide measurements made in several islands of the Canary Archipelago. All the gravity values referred to absolute gravity stations (Table S1). The procedure to obtain the terrain correction and the Bouguer anomaly map is explained in the manuscript and in the supporting information.</p>
Data from: Extensive, transient, and long-lasting gene regulation in a song-controlling brain area during testosterone-induced song development in adult female canaries
<p>Like other canary reproductive behaviors, song production occurs seasonally and can be triggered by gonadal hormones. Adult female canaries treated with testosterone sing first songs after four days and progressively develop towards typical canary song structure over several weeks, a behavior that females otherwise rarely or never show. We compared gene regulatory networks in the song-controlling brain area HVC after 1 hour (h), 3 h, 8 h, 3 days (d), 7d, and 14d testosterone treatment with placebo-treated control females, paralleling HVC and song development. Rapid onset (1 h or less) of extensive transcriptional changes (2,700 genes) preceded the onset of song production by four days. The highest level of differential gene expression occurred at 14 days when song structure was most elaborate, and song activity was highest. The transcriptomes changed massively several times during the two-week of song production. A total of 9,710 genes were differentially expressed, corresponding to about 60% of the known protein-coding genes of the canary genome. Most (99%) of the differentially expressed genes were regulated only at specific stages. The differentially expressed genes were associated with diverse biological functions, of which cellular level occurring early and nervous system level occurring primarily after prolonged testosterone treatment. Thus, the development of adult songs requires restructuring the entire HVC, including most HVC cell types, rather than altering only neuronal subpopulations or cellular components. Parallel regulation directly by androgen and estrogen receptors and by other hub genes such as the transcription factor SP8, which are under steroidogenic control, lead to massive transcriptomic and neural changes in the specific behavior-controlling brain areas and gradual seasonal occurrence of singing behavior.</p>
Effects of climate change on the distribution of plant species and plant functional strategies on the Canary Islands
<p>Occurrence data:</p> <p>We used occurrence data from the Banco de Datos de Biodiversidad de Canarias, an open-access database, for single-island endemic (SIE; n = 325), archipelago endemic (AE; n = 234) and definitely non-endemic native (NEN; n = 149) extant seed plant species (excluding subspecies), in a raster of 500 m x 500 m grid cells covering the Canary Islands (<a href="https://www.biodiversidadcanarias.es/biota/">https://www.biodiversidadcanarias.es/biota/</a>) [<em>accessed 14/03/2022</em>]. The database includes all species listed in the checklist of the Banco de Datos de Biodiversidad de Canarias, across 31,628 grid cell assemblages. Species range in occurrence from 1 to 4,466 cells. We only retrieved occurrences for which a species has been certainly observed or collected (precision level 1 of four levels). The Banco de Datos de Biodiversidad de Canarias provides presence-only information that is spatially biased by sampling effort (Hortal et al., 2007). However, the sampling bias of SIEs, AEs, and NENs is less than for species overall because studies incorporated into the database involved focus on, and extensive sampling of, endemic and non-endemic native species (<a href="https://www.biodiversidadcanarias.es/biota/documentos">https://www.biodiversidadcanarias.es/biota/documentos</a>). We considered a species (pseudo-)absent if it was not recorded at a site, although we recognise that there is debate as to whether this truly represents absences.</p>
Extensive, transient, and long-lasting gene regulation in a song-controlling brain area during testosterone-induced song development in adult female canaries
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Woodiness and succulence of the Canary Islands flora
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Potential local adaptation in populations of invasive reed canary grass (Phalaris arundinacea) across an urbanization gradient
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Three-dimensional movement of the beak during seed processing in domestic canaries
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