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9,937 results for “Endemicity”
FIGURE 1. Begonia diegoi Jara. A in Five new species and three new varieties of Begonia section Casparya endemic to Colombia
FIGURE 1. Begonia diegoi Jara. A) Branch, B) Young inflorescence, C) Inflorescence with staminate flowers open, D) Inmature fruit. Based on A. Jara & D. Yepes 2849, by O. Bernal.
FIGURE 3. Begonia kalbreyeri var. orquidensis. A in Five new species and three new varieties of Begonia section Casparya endemic to Colombia
FIGURE 3. Begonia kalbreyeri var. orquidensis. A) Branch, B) Outer series of the perianth in the staminate flower, C) Inner series of the perianth in the staminate flower, D) Pistillate flower from above, E) Pistillate flower in side view, without part of the outer series of the perianth. Based on A. Gentry 24640, and J. Betancur 5969, by O. Bernal.
FIGURE 2. Begonia galeanoi Jara. A in Five new species and three new varieties of Begonia section Casparya endemic to Colombia
FIGURE 2. Begonia galeanoi Jara. A) Branch, B) Leaf from above, C) Staminate flower seen from above, D) Pistillate flower, E) Anther, F) Cross section of the fruit, G) Fruit from below, H) Fruit from above. Based on A. Jara 2729, by O. Bernal.
FIGURE 8. Begonia vinagrera var. vinagrera. A in Five new species and three new varieties of Begonia section Casparya endemic to Colombia
FIGURE 8. Begonia vinagrera var. vinagrera. A) Branch with flowers, B) Staminate flower, C) Pistillate flower showing perianth, ovary, and bracteoles, D) Fruit. Based on J. Betancur 5805, J.L. Fernandez-Alonso 6250, and pictures of live plants, by O. Bernal.
FIGURE 5 in Five new species and three new varieties of Begonia section Casparya endemic to Colombia
FIGURE 5. Distribution of Begonia diegoi, Begonia galenoi, Begonia kalbreyeri var. oquidensis, and Begonia mamapachensis.
Distribution. Endemic to Trinidad I and Venezuela E of Lake Maracaibo, along the coast from Falcon State to Miranda State, the northern Mts (Cordillera Oriental, Cordillera Central, and Coro System), and extending S through the Llanos to the Rio Orinoco; it may extend into Arauca State, Colombia. in Atelidae
Distribution. Endemic to Trinidad I and Venezuela E of Lake Maracaibo, along the coast from Falcon State to Miranda State, the northern Mts (Cordillera Oriental, Cordillera Central, and Coro System), and extending S through the Llanos to the Rio Orinoco; it may extend into Arauca State, Colombia.
Distribution. Endemic to the Brazilian Amazon (states of Mato Grosso and Para), S of the lower Rio Amazonas between the rios Tapajos and Teles Pires (right banks) in the W and the Rio Xingu (left bank) in the E; the upper Rio Teles Pires and the Serra do Cachimbo mark the S limits to its distribution. in Atelidae
Distribution. Endemic to the Brazilian Amazon (states of Mato Grosso and Para), S of the lower Rio Amazonas between the rios Tapajos and Teles Pires (right banks) in the W and the Rio Xingu (left bank) in the E; the upper Rio Teles Pires and the Serra do Cachimbo mark the S limits to its distribution.
Distribution. Endemic to SW Africa; known to occurin scattered areas from type locality on SW coast of Angola S across W Namibia to N parts of Northern Cape Province in South Africa. in Cistugidae
Distribution. Endemic to SW Africa; known to occurin scattered areas from type locality on SW coast of Angola S across W Namibia to N parts of Northern Cape Province in South Africa.
Spatial phylogenomics of acrobat ants in Madagascar—mountains function as cradles for recent diversity and endemism
<p><span><span><span><span><span><span><span><span><span><span><span><b>Aim: </b></span></span></span></span></span></span></span></span></span></span></span><span><span><span><span><span><span><span><span><span><span><span>A crucial step to protecting biodiversity is assessing species diversity and endemism. We delineate<b> </b>spatial patterns of diversity in Malagasy ants on a phylogenetic and taxonomic level to identify centers of diversity and endemism, and evaluate the 'museum vs cradle' hypothesis with regard to ant endemism.</span></span></span></span></span></span></span></span></span></span></span></p> <p><span><span><span><span><span><span><span><span><span><span><span><b>Location: </b></span></span></span></span></span></span></span></span></span></span></span><span><span><span><span><span><span><span><span><span><span><span>Madagascar</span></span></span></span></span></span></span></span></span></span></span></p> <p><span><span><span><span><span><span><span><span><span><span><span><b>Taxon: </b></span></span></span></span></span></span></span></span></span></span></span><span><span><span><span><span><span><span><span><span><span><span>Ants, genus <i>Crematogaster.</i></span></span></span></span></span></span></span></span></span></span></span></p> <p><span><span><span><span><span><span><span><span><span><span><span><b>Methods: </b></span></span></span></span></span></span></span></span></span></span></span><span><span><span><span><span><span><span><span><span><span><span>We estimated distribution models for 33 <i>Crematogaster</i> species and generated a phylogeny based on ultraconserved elements. We calculated species richness (SR), phylogenetic diversity (PD), weighted (WE), phylogenetic endemism(PE), randomized phylogenetic diversity (PD-sig), and relative phylogenetic diversity (RPD) and endemism (RPE). Categorical analyses of neo- and paleo-endemism (CANAPE) and the phylo-jaccard index were used to delineate centers of neo- and paleo-endemism. We correlated these measures with elevation metrics to investigate the role of mountains in generating ant endemism.</span></span></span></span></span></span></span></span></span></span></span></p> <p><span><span><span><span><span><span><span><span><span><span><span><b>Results: </b></span></span></span></span></span></span></span></span></span></span></span><span><span><span><span><span><span><span><span><span><span><span>We found extensive phylogenetic clustering (significantly low PD-sig) and short branches (low RPD) at higher elevations in central and south-central to southern Madagascar. In contrast, phylogenetic overdispersion (significantly high PD-sig) and long branches (high RPD) predominate at lower elevations in eastern humid and northern western dry forests. CANAPE and phylo-jaccard estimated five centers of endemism, whereby neo- and mixed endemism were significantly correlated with higher elevations, and paleo-endemism with lower elevations. </span></span></span></span></span></span></span></span></span></span></span></p> <p><span><span><span><span><span><span><span><span><span><span><span><b>Main Conclusions: </b></span></span></span></span></span></span></span></span></span></span></span><span><span><span><span><span><span><span><span><span><span><span>Centers of ant endemism are located in western dry and humid forests of northern Madagascar, eastern humid forests, and in the southern Central Highland region. </span></span></span></span></span></span></span></span></span></span></span><span><span><span><span><span><span><span><span><span><span><span>Mountainous areas appear to be cradles of recent diversification for acrobat ants, whereas lower elevations may be regarded as centers of paleo-endemism and thus museums for relict lineages. Species diversification among acrobat ants may have coincided with the arrival of a new biome in the central highlands of Madagascar. </span></span></span></span></span></span></span></span></span></span></span></p>
FIGURE 19 in Overview of the genus Sympodium Ehrenberg, 1834 (Octocorallia, Alcyonacea, Xeniidae), with the description of new species, revealing regional endemism
FIGURE 19. Maximum likelihood (ML) tree for concatenated mtMutS, COI and 28S rDNA gene regions (1981 bp). Clades of Xeniidae genera other than Sympodium have been collapsed to facilitate readability. Black circles: ML bootstrap value (b.s.)>70%, Bayesian posterior probability (p.p)>0.95; gray circles: b.s.>70%, p.p. <0.95. Dashed vertical line indicates specimens of S. arbusculum sp. n. from Madagascar that belonged to a distinct MOTU in some analyses.
FIGURE 17 in Overview of the genus Sympodium Ehrenberg, 1834 (Octocorallia, Alcyonacea, Xeniidae), with the description of new species, revealing regional endemism
FIGURE 17. Sympodium yonaguniensis sp. n.: morphology of type material colonies. (A) Holotype (SMNHTAU_Co_35117) featuring irregular upper surface with some polyps emerging individually and others in groups; almost all are retracted. (B) Paratype colonies (SMNHTAU_Co_38228); five shown here. (C) Paratype (SMNHTAU_Co_35754) comprises small colonies growing on turf algae and a sponge. (D) Higher magnification of the paratype showing partly retracted polyps of colonies.
FIGURE 14 in Overview of the genus Sympodium Ehrenberg, 1834 (Octocorallia, Alcyonacea, Xeniidae), with the description of new species, revealing regional endemism
FIGURE 14. Live colonies of Sympodium species on the reef. (A) Colonies of S. subtilis sp. n. with expanded polyps. (B, C) Colonies of S. vegrandis sp. n. (D, E) Colonies of S. yonaguniensis sp. n.
FIGURE 13 in Overview of the genus Sympodium Ehrenberg, 1834 (Octocorallia, Alcyonacea, Xeniidae), with the description of new species, revealing regional endemism
FIGURE 13. Scanning electron micrographs of sclerites of Sympodium subtilis sp. n. Syntypes (SMNHTAU_Co_38204): (A) Ellipsoid platelets. (B) Tips of calcite rods provide a uniform granular appearance to the sclerite surface.
FIGURE 12 in Overview of the genus Sympodium Ehrenberg, 1834 (Octocorallia, Alcyonacea, Xeniidae), with the description of new species, revealing regional endemism
FIGURE 12. Sympodium subtilis sp. n.: morphology of type material colonies. (A) Syntypes (SMNHTAU_Co_38204) encrusting colonies with delicate membrane growing on a bivalve shell. (B) Higher magnification of portion of syntypes showing both expanded and retracted polyps on spreading membrane.
FIGURE 10 in Overview of the genus Sympodium Ehrenberg, 1834 (Octocorallia, Alcyonacea, Xeniidae), with the description of new species, revealing regional endemism
FIGURE 10. Sympodium hexagonotus sp. n.: morphology of type material colonies. (A) Holotype (QM G330076) featuring mounds with mostly retracted polyps. (B) Paratype fragments (QM G339750).
FIGURE 9 in Overview of the genus Sympodium Ehrenberg, 1834 (Octocorallia, Alcyonacea, Xeniidae), with the description of new species, revealing regional endemism
FIGURE 9. Scanning electron micrographs of sclerites of Sympodium gibbaeum sp. n. Holotype (SMNHTAU_Co_36121): (A) Ellipsoid platelets. (B) Tips of calcite rods provide a uniform granular appearance to the sclerite surface, some of the tips are oblique. Paratype (SMNHTAU_Co_36032): (C) Ellipsoid platelets. (B) Tips of calcite rods provide a uniform granular appearance to the sclerite surface, some of the tips are oblique or parallel to the surface.
FIGURE 8 in Overview of the genus Sympodium Ehrenberg, 1834 (Octocorallia, Alcyonacea, Xeniidae), with the description of new species, revealing regional endemism
FIGURE 8. Sympodium gibbaeum sp. n.: morphology of type material colonies. (A) Holotype (SMNHTAU_Co_36121) featuring densely packed knob-like mounds with polyps retracted on top of mounds and partially expanded between them. (B) Paratype colonies (SMNHTAU_Co_38227) with expanded and retracted polyps on top of mounds. (C) Paratype (SMNHTAU_ Co_36032) is an encrusting membranous colony with individual separated polyps and with some low mounds bearing polyps. (D) Higher magnification of part of the paratype (SMNHTAU_Co_36032) showing polyp location on both the encrusting membrane and the low mounds.
FIGURE 4. Sympodium caeruleum Ehrenberg, 1834 in Overview of the genus Sympodium Ehrenberg, 1834 (Octocorallia, Alcyonacea, Xeniidae), with the description of new species, revealing regional endemism
FIGURE 4. Sympodium caeruleum Ehrenberg, 1834. Syntypes (ZMB 240): (A) Colonies attached to a calcareous substrate. (B) View of expanded and retracted polyps.
FIGURE 7 in Overview of the genus Sympodium Ehrenberg, 1834 (Octocorallia, Alcyonacea, Xeniidae), with the description of new species, revealing regional endemism
FIGURE 7. Scanning electron micrographs of sclerites of Sympodium epiphytum sp. n.: Syntypes (SMNHTAU_Co_36010): (A) Ellipsoid platelets. (B) Tips of calcite rods provide a uniform granular appearance to the sclerite surface. Paratype (SMNHTAU_ Co_35977): (C) Ellipsoid platelets. (B) Tips of calcite rods provide a uniform granular appearance to the sclerite surface.
FIGURE 2 in Overview of the genus Sympodium Ehrenberg, 1834 (Octocorallia, Alcyonacea, Xeniidae), with the description of new species, revealing regional endemism
FIGURE 2. Scanning electron micrographs of sclerites of Sympodium arbusculum sp. n. Holotype (SMNHTAU_Co_36017): (A) Ellipsoid platelets. (B) Tips of calcite rods provide a uniform granular appearance to the sclerite surface. Paratype (SMNHTAU_Co_36015): (C) Ellipsoid platelets. (D) Tips of calcite rods provide a uniform granular appearance to the sclerite surface.
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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)
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DANDI Archive for NWB datasets
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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.