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26 results for “Canary Islands La Palma”
FIGURE 4 in Vulcanochloris (Trebouxiales, Trebouxiophyceae), a new genus of lichen photobiont from La Palma, Canary Islands, Spain
FIGURE 4. Vulcanochloris, gen. nov. Morphology in a light or a confocal microscope. A–I. Vulcanochloris canariensis, sp. nov. A– C. Spherical or oval vegetative cells. B–E. Crenulate chloroplast. F−G. Shallowly lobed chloroplast. A−C, H. One distinct, centrally positioned pyrenoid, frequently containing one to several spherical incisions. I. Asexual reproduction by 16–64 aplanospores formed in spherical or ellipsoidal sporangia. J−U. Vulcanochloris symbiotica sp. nov. J, K, N. Spherical, oval and oviform vegetative cells. K−M. Deeply lobed chloroplast. N, O. Shallowly lobed chloroplast. P, Q. Crenulate chloroplast. R. Echinate chloroplast. K, N, P. One distinct pyrenoid located in its centre. N. One to several spherical incisions in pyrenoid. S, T. Asexual reproduction by 32 aplanospores or 128 zoospores produced in spherical or ellipsoidal sporangia. U. Zoospores drop-shaped, naked, with two apical flagella and a simple basal chloroplast. V−DD. Vulcanochloris guanchorum, sp. nov. V, W. Spherical, occasionally oval vegetative cells. V. Chloroplast in young cells in the central position with several lobes spreading towards the cells periphery. W−Y. Deeply lobed chloroplast. Z−AA. Shallowly lobed chloroplast. BB. One distinct, centrally positioned pyrenoid, often containing one to several spherical incisions. CC, DD. Asexual reproduction by 16−32 aplanospores or 64−128 zoospores produced in spherical or ellipsoidal sporangia. Scale bars = 5 μm.
FIGURE 3 in Vulcanochloris (Trebouxiales, Trebouxiophyceae), a new genus of lichen photobiont from La Palma, Canary Islands, Spain
FIGURE 3. Bayesian analysis based on the ITS rDNA dataset. Values at the nodes indicate statistical support estimated by three methods— MrBayes posterior-node probability (left), maximum-likelihood bootstrap (middle), and maximum parsimony bootstrap (right). Asterisk represents full support. Scale bar shows the estimated number of substitutions per site. Newly sequenced strains are marked in bold.
FIGURE 2 in Vulcanochloris (Trebouxiales, Trebouxiophyceae), a new genus of lichen photobiont from La Palma, Canary Islands, Spain
FIGURE 2. Bayesian analysis based on the rbcL dataset. Values at the nodes indicate statistical support estimated by three methods— MrBayes posterior-node probability (left), maximum-likelihood bootstrap (middle), and maximum parsimony bootstrap (right). Asterisk represents full support. Scale bar shows the estimated number of substitutions per site. Newly sequenced strains are marked in bold.
FIGURE 1 in Vulcanochloris (Trebouxiales, Trebouxiophyceae), a new genus of lichen photobiont from La Palma, Canary Islands, Spain
FIGURE 1. Vulcanochloris canariensis, gen. et sp. nov.. Chloroplast morphology and ultrastructure. A, B. A deeply lobed type of chloroplast. C, D. Shallowly lobed type of chloroplast. E, F. Crenulate type of chloroplast. G, H. Echinate type of chloroplast. I. Parietal type of chloroplast. J. High number of small starch grains surrounding the pyrenoid. K–M. Pyrenoid irregularly transversed by inclusions bearing a close structural resemblance to the chloroplast thylakoids. N, O. One to several electron-lucent, spherical to elongated regions frequently formed within the pyrenoid matrix. P. Higher number (more than 8) of the electron-lucent regions formed within the pyrenoid matrix. Scale bars = 5 μm (A–J); 1 μm (K–P).
The explosive activity of the 2021 Tajogaite eruption (La Palma, Canary Islands, Spain)
<p>The dataset includes the results of the image analyses of the high-speed videos of the 2021 Tajogaite eruption of Cumbre Vieja volcano, La Palma, Canary Islands, Spain. The results of the Optical Flow analyses include 123 files, one for each video, with the name indicating the date and time (UTC) of the video in the DDMMYYYY_HHMM format and the frame interval at which the analysis was performed. These data are grafically presented in the Supporting_Atlas file that accompanies the manuscript by the same title as the dataset and in part in Figure 6. The files named 'all_info' and 'all_info_types' collect all the metadata of the videos and, the latter one, also the division in the different activities we identified, plus the results of the pulse freqency and average maximum velocity analyses that appear in Figure 7 of the manuscirpt. The results of the grain size distribution, size and rise velocity of the pyroclasts, and mean rise speed and mass flux are reported for 12 selected videos with the the same name format and the suffix '_sizevel'. These data appear in Figure 8 of the manuscript.</p>
Magnetic and gravimetric models of La Palma (Canary Island) from standalone and joint inversions.
<p>The Excel file contains the updated 3D models derived from the standalone and joint inversions of the magnetic and gravimetric anomalies on the island of La Palma (Canary Islands). The first Excel sheet contains the 3D magnetic susceptibility model from the standalone inversion. The second sheet shows the 3D magnetic susceptibility model from the joint inversion and the last sheet contain the density contrast model derived from the joint inversion.</p> <p>Each sheet has the following columns:</p> <p>Coordinate UTM X, Coordinate UTM Y, Height (-) or Depth (+), Physical property (magnetic susceptibility or density). </p> <p>Units are given in the headings.</p>
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International Brain Laboratory public data
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OpenNeuro
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