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462 results for “Volcano”
Data from: Spatial variation in anuran richness, diversity, and abundance across montane wetland habitat in Volcanoes National Park, Rwanda
The spatial distribution of species has long sparked interest among ecologists and biogeographers, increasingly so in studies of species responses to climate change. However, field studies on spatial patterns of distribution, useful to inform conservation actions at local scales, are still lacking for many regions, especially the tropics. We studied elevational trends and species‐area relationships among anurans in wetland habitats within Volcanoes National Park (VNP) in Rwanda, part of the biodiverse Albertine Rift region. In VNP, wetlands are key sites for anuran reproduction, and anurans are likely threatened by wetland desiccation which has occurred for the last few decades. Between 2012 and 2017, we sampled anuran communities in ten VNP wetlands located along an elevational gradient of c. 600 m (from 2,546 to 3,188 m a.s.l.) and found at least eight species, including at least two Albertine Rift Endemics. We show that species richness, diversity, and abundance likely decline with a decrease in wetland size and with an increase in elevation, though additional sampling (e.g., at night) might be needed to derive definite conclusions. Larger wetlands at lower elevations contained most species and individuals, which indicates the potential threat of wetland size reduction (through desiccation) for anuran conservation. However, we also found that wetlands differed in species composition and that some species (e.g., Sclerophrys kisoloensis) were likely restricted in distribution to only a few of the smaller wetlands—suggesting that the conservation of each individual wetland should be prioritized, regardless of size. We propose that all wetlands in VNP require additional conservation measures, which should be based on knowledge gathered through long‐term monitoring of anuran communities and research on drivers of wetland decline. Only such extended research will allow us to understand the response of anurans in VNP to threats such as climate change and wetland desiccation.
FIGURE 8 in New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)
FIGURE 8. Xenograpsus ngatama sp nov., holotype male 16.0 x 15.6 mm, Macauley Caldera (NIWA 18013). A, dorsal view. B, frontal view.
FIGURE 7 in New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)
FIGURE 7. Xenograpsus ngatama sp nov. A, holotype male, 16.0 x 15.6 mm, Macauley Caldera (NIWA 18013). B–C, female, 34.8 x 33.1 mm Brothers Seamount (NZOI stn Z10782). D–E, male, 44.1 x 42.0 mm, Brothers Seamount (NZOI stn Z10782). A, male abdomen (scale bar = 2 mm). B, female abdomen (scale bar = 4 mm). C, left gonopore female (scale bar = 1 mm. D, G1 and G2 (scale bar = 2 mm), E, tip of G1 from opposite side (scale bar = 1 mm).
FIGURE 6 in New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)
FIGURE 6. Xenograpsus ngatama sp. nov., holotype male, 16.0 x 15.6 mm, Macauley Caldera (NIWA 18013). A, dorsal view whole carapace (scale bar = 5 mm). B, magnified right anterolateral margin (scale bar = 2 mm). C, outer face right cheliped (scale bar = 2 mm). D, dorsal view right cheliped (scale bar = 2 mm). E, left third maxilliped (scale bar = 2 mm)., F, posterior view right P4 and P5 (scale bar = 5 mm);
FIGURE 9 in New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)
FIGURE 9. Xenograpsus ngatama sp nov., male, 27.1 x 25.8 mm, Brothers Seamount (NZOI Z10782). A, dorsal view. B, frontal view.
FIGURE 5 in New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)
FIGURE 5. Gandalfus puia sp. nov., male 36.7 x 22.6 mm, Macauley Caldera. A, first gonopod tip. B, spines on surface of first gonopod. C, second gonopod notch. D, second gonopod tip.
FIGURE 4 in New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)
FIGURE 4. Gandalfus puia sp. nov., holotype male, 24.3 x 15.5 mm, Rumble III (NZOI stn Z10782). A, oblique frontal view. B, orbital region.
FIGURE 3 in New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)
FIGURE 3. Gandalfus puia sp. nov., holotype male, 24.3 x 15.5 mm, Rumble III (NZOI stn Z10782). A, dorsal view. B, frontal view.
FIGURE 2 in New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)
FIGURE 2. Gandalfus puia sp. nov., A–F: holotype male, 24.3 x 15.5 mm, Rumble III (NZOI stn Z10782). G, female, 36.5 x 22.1 mm Brothers Seamount (KOKO0506/32). A, frontal view left orbit (scale bar = 1 mm). B, posterior view right P5 (scale bar = 4 mm). C, male abdomen (scale bar = 4 mm). D, right G1 (scale bar = 1 mm). E, magnified distal part of right G1 (scale bar = 1 mm). F, right G2 with middle region magnified (both scale bars = 1 mm). G, female abdomen (scale bar = 5 mm).
FIGURE 1 in New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)
FIGURE 1. Gandalfus puia sp. nov., holotype male, 24.3 x 15.5 mm, Rumble III (NZOI stn Z10782). A, Dorsal view carapace (scale bar = 4 mm). B, magnified right anterolateral margin (scale bar = 2 mm). C, outer face right cheliped (scale bar = 4 mm). D, outer face left cheliped (scale bar = 4 mm). E, dorsal view right cheliped (scale bar = 4 mm). F, third maxillipeds (scale bar = 2 mm).
FIGURE 4. Vulcanocalliax arutyunovi n.gen. n in A new subfamily, Vulcanocalliacinae n. subfam., for Vulcanocalliax arutyunovi n. gen., n. sp. from a mud volcano in the Gulf of Cádiz (Crustacea, Decapoda, Callianassidae)
FIGURE 4. Vulcanocalliax arutyunovi n.gen. n.sp., female holotype (NHMW 21927), right appendages; a–d, lateral surface; e, posterior surface; f, g, anterior surface: a, second pereopod; b, third pereopod; c, fourth pereopod; d, fifth pereopod; e, first pleopod; f, second pleopod (ovigerous setae and embryos removed); g, third pleopod. Scale lines indicate 1 mm.
FIGURE 3. Vulcanocalliax arutyunovi n.gen. n in A new subfamily, Vulcanocalliacinae n. subfam., for Vulcanocalliax arutyunovi n. gen., n. sp. from a mud volcano in the Gulf of Cádiz (Crustacea, Decapoda, Callianassidae)
FIGURE 3. Vulcanocalliax arutyunovi n.gen. n.sp., female holotype (NHMW 21927); a, b, mesial surface; b, d, lateral surface; e, ventrolateral aspect: a, b, right mutilated cheliped; c, d, left cheliped; e, right side of thorax (carapace lifted) to show coxae of maxilliped 3 and pereopods 1–4, epipods and arthrobranchs. Scale line indicates 1 mm.
FIGURE 2. Vulcanocalliax arutyunovi n.gen. n in A new subfamily, Vulcanocalliacinae n. subfam., for Vulcanocalliax arutyunovi n. gen., n. sp. from a mud volcano in the Gulf of Cádiz (Crustacea, Decapoda, Callianassidae)
FIGURE 2. Vulcanocalliax arutyunovi n.gen. n.sp., female holotype (NHMW 21927), right appendages; a–c, e, f, h, i, lateral surface; d, g, j, mesial surface: a, first antenna; b, second antenna; c, d, mandible, excluding paragnaths; e, first maxilla; f, second maxilla; g, first maxilliped; h, second maxilliped; i, j, third maxilliped. Scale lines indicate 1 mm.
FIGURE 1. Vulcanocalliax arutyunovi n.gen. n in A new subfamily, Vulcanocalliacinae n. subfam., for Vulcanocalliax arutyunovi n. gen., n. sp. from a mud volcano in the Gulf of Cádiz (Crustacea, Decapoda, Callianassidae)
FIGURE 1. Vulcanocalliax arutyunovi n.gen. n.sp., female holotype (NHMW 21927): a, lateral view; b, dorsal view; c, front in lateral view; d, same, dorsal aspect; e, lateral aspect of right eyestalk; f, same, dorsal aspect; g, dorsal aspect of uropods; h, dorsal aspect of telson. Scale lines indicate 1 mm.
FIGURE 5. Vulcanocalliax arutyunovi n.gen. n in A new subfamily, Vulcanocalliacinae n. subfam., for Vulcanocalliax arutyunovi n. gen., n. sp. from a mud volcano in the Gulf of Cádiz (Crustacea, Decapoda, Callianassidae)
FIGURE 5. Vulcanocalliax arutyunovi n.gen. n.sp., male allotype (NHMW 21928); a, b, d, f, lateral aspect; c, e, mesial surface; g, posterior surface; a, habitus; b, c, left major cheliped; d, e, right minor cheliped; f, abdominal somite with first pleopod; g, second right pleopod. Scale lines indicate 1 mm.
FIGURE 13 in New tanaidomorph Tanaidacea (Crustacea: Peracarida) from submarine mud-volcanoes in the Gulf of Cadiz (North-east Atlantic)
FIGURE 13. Coalecerotanais alter sp. nov., A, pereopod 1; B, pereopod 2; C, pereopod 3; D, pereopod 4; E, pereopod 5; F, uropod. Scale lines = 0.01 mm.
FIGURE 24 in New tanaidomorph Tanaidacea (Crustacea: Peracarida) from submarine mud-volcanoes in the Gulf of Cadiz (North-east Atlantic)
FIGURE 24. Mesotanais pinguiculus sp. nov., Ƥ paratype. A, antennule; B, antenna; C, labrum; D, left mandible; Dˏ, incisor of right mandible; E, maxillule and maxilla; F, Labium; G, Maxilliped; Gˏ, maxilliped endite; H, epignath; I, cheliped; Iˏ, detail of chela. Scale lines: A-E, H-I = 0.1 mm; F-G = 0.01 mm.
FIGURE 10 in New tanaidomorph Tanaidacea (Crustacea: Peracarida) from submarine mud-volcanoes in the Gulf of Cadiz (North-east Atlantic)
FIGURE 10. Cristatotanais longicheles Kudinova-Pasternak, holotype: A to F, pereopods 1 to 6; G, pleopod; H, uropod. Scale lines = 0.2 mm.
FIGURE 14 in New tanaidomorph Tanaidacea (Crustacea: Peracarida) from submarine mud-volcanoes in the Gulf of Cadiz (North-east Atlantic)
FIGURE 14. Typhlotanais kyphosis sp. nov., A, Ƥ holotype, dorsal; B, Ƥ holotype, lateral. Scale line = 1 mm.
FIGURE 7 in New tanaidomorph Tanaidacea (Crustacea: Peracarida) from submarine mud-volcanoes in the Gulf of Cadiz (North-east Atlantic)
FIGURE 7. Cristatotanais contoura sp. nov., A, Ƥ holotype, lateral; B, Ƥ holotype, dorsal; C, 3, dorsal. Scale line = 0.1 mm.
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Allen Brain Atlas
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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.