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52 results for “anuran diversity”
FIGURE 7 in Identification of anuran species diversity of the Panna Tiger Reserve, Central India, using an integrated approach
FIGURE 7. Advertisement calls of Euphlyctis cyanophlyctis, Sphaerotheca pashchima, Microhyla nilphamariensis, Polypedates maculatus recorded in PTR: From top to bottom A & B represent oscillograms, C—spectrogram, D—power spectrum, (FFT size = 1024 pts, Hanning window, 43.1 Hz resolution).
FIGURE 5 in Identification of anuran species diversity of the Panna Tiger Reserve, Central India, using an integrated approach
FIGURE 5. Advertisement calls of Duttaphrynus melanostictus, Duttaphrynus scaber and Duttaphrynus stomaticus recorded in PTR: From top to bottom A & B represent oscillograms, C—spectrogram, D—power spectrum, (FFT size = 1024 pts, Hanning window, 43.1 Hz resolution). In B of D. melanostictus, call is underlined for which power spectrum in D is produced. The call trace of each species is provided in supporting supplementary information.
FIGURE 8B in Identification of anuran species diversity of the Panna Tiger Reserve, Central India, using an integrated approach
FIGURE 8B. Maximum Likelihood tree based on the 16S mitochondrial DNA dataset (nodes having>50% bootstrap values are shown) of genera B. Sphaerotheca (Red colour indicates sequences generated in this study).
FIGURE 2 in Identification of anuran species diversity of the Panna Tiger Reserve, Central India, using an integrated approach
FIGURE 2. Map showing surveyed location for amphibians in PTR which includes 86 visual encounter survey (VES) localities marked in yellow dots and opportunistic sightings marked as black dots. Legend highlighting core and buffer boundary of Panna Tiger Reserve. In some cases, the dots appear overlapped due to the scale and the proximity of the localities. Inset images shows study site in Madhya Pradesh in map of India.
FIGURE 4 in Identification of anuran species diversity of the Panna Tiger Reserve, Central India, using an integrated approach
FIGURE 4. Photos of anuran species in life recorded during the study: A) Duttaphrynus melanostictus; B) Duttaphrynus scaber; C) Duttaphrynus stomaticus; D) Fejervarya orissaensis; E) Minervarya caperata; F) Minervarya pierrei; G) Euphlyctis cyanophlyctis; H) Hoplobatrachus crassus; I) Hoplobatrachus tigerinus; J) Sphaerotheca pashchima; K) Microhyla nilphamariensis; L) Uperodon globulosus; M) Uperodon systoma; N) Uperodon variegatus; O) Polypedates maculatus. Red star indicates new state records for Madhya Pradesh.
FIGURE 8A in Identification of anuran species diversity of the Panna Tiger Reserve, Central India, using an integrated approach
FIGURE 8A. Maximum Likelihood tree based on the 16S mitochondrial DNA dataset (nodes having>50% bootstrap values are shown) of genera A. Fejervarya and Minervarya.
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.
Data from: DNA barcoding survey of anurans across the Eastern Cordillera of Colombia and the impact of the Andes on cryptic diversity
Colombia hosts the second highest amphibian species diversity on Earth, yet its fauna remains poorly studied, especially using molecular genetic techniques. We present the results of the first wide-scale DNA barcoding survey of anurans of Colombia, focusing on a transect across the Eastern Cordillera. We surveyed 10 sites between the Magdalena Valley to the west and the eastern foothills of the Eastern Cordillera, sequencing portions of the mitochondrial 16S ribosomal RNA and cytochrome oxidase subunit 1 (CO1) genes for 235 individuals from 52 nominal species. We applied two barcode algorithms, Automatic Barcode Gap Discovery and Refined Single Linkage Analysis, to estimate the number of clusters or "unconfirmed candidate species" supported by DNA barcode data. Our survey included ~7% of the anuran species known from Colombia. While barcoding algorithms differed slightly in the number of clusters identified, between three and ten nominal species may be obscuring candidate species (in some cases, more than one cryptic species per nominal species). Our data suggest that the high elevations of the Eastern Cordillera and the low elevations of the Chicamocha canyon acted as geographic barriers in at least seven nominal species, promoting strong genetic divergences between populations associated with the Eastern Cordillera.
Supplementary material 1 from: Estupiñán RA, Ferrari SF, Gonçalves EC, Barbosa MSR, Vallinoto M, Schneider MPC (2016) Evaluating the diversity of Neotropical anurans using DNA barcodes. ZooKeys 637: 89-106. https://doi.org/10.3897/zookeys.637.8637
Data on the specimens examined in the present study : Explanation note: Please note that some of the sequences used in the study are incompletely referenced in the GenBank barcode database because they lack some data and we are unable to rectify this because the samples were collected too long ago (1980s or before) for the missing data to be found.
Data from: Spatial variation in anuran richness, diversity, and abundance across montane wetland habitat in Volcanoes National Park, Rwanda
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Data from: DNA barcoding survey of anurans across the Eastern Cordillera of Colombia and the impact of the Andes on cryptic diversity
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Data from: eDNA metabarcoding: a promising method for anuran surveys in highly diverse tropical forests
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Figure 1 in Improved local inventory and regional contextualization for anuran (Amphibia) diversity assessment at an endangered habitat in southeastern Brazil
Figure 1. Result of the WPGMA (Jaccard's index) showing (A) dissimilarities among localities with published anuran inventories at the Quadrilátero Ferrífero, southeastern Brazil, and (B) their spatial distribution. Locality names are as in Table 2.
Fig. 5 in Anurans (Amphibia: Anura) of the Brazilian state of Amapá, eastern Amazonia: species diversity and knowledge gaps
Fig. 5. Anuran species recorded in the state of Amapá. A. Leptodactylus fuscus (Schneider, 1799). B. Leptodactylus intermedius Lutz, 1930. C. Leptodactylus knudseni Heyer, 1972. D. Leptodactylus leptodactyloides (Andersson, 1945). E. Leptodactylus longirostris Boulenger, 1882. F. Leptodactylus macrosternum Miranda-Ribeiro, 1926. G. Leptodactylus mystaceus (Spix, 1824). H. Leptodactylus pentadactylus (Laurenti, 1768). I. Leptodactylus petersii (Steindachner, 1864). J. Leptodactylus rhodomystax Boulenger, 1884. Photos: C.E. Costa-Campos (A, C, E–H, J) and T.R. Carvalho (B, D, I).
Figure 3 from: Araújo KC, Guzzi A, Ávila RW (2018) Influence of habitat heterogeneity on anuran diversity in Restinga landscapes of the Parnaíba River delta, northeastern Brazil. ZooKeys 757: 69-83. https://doi.org/10.3897/zookeys.757.21900
Figure 3 Accumulation curve for anurans sampled in the Parnaíba River Delta, northeastern Brazil, constructed from 1000 randomizations on the order of samplings. Species estimates (Chao 1 estimator).
Figure 2 from: Araújo KC, Guzzi A, Ávila RW (2018) Influence of habitat heterogeneity on anuran diversity in Restinga landscapes of the Parnaíba River delta, northeastern Brazil. ZooKeys 757: 69-83. https://doi.org/10.3897/zookeys.757.21900
Figure 2 Abundance of anurans species obtained in Ilha Grande de Santa Isabel Island and Canárias Island, Parnaíba River Delta, Northeastern Brazil.
Figure 1 from: Araújo KC, Guzzi A, Ávila RW (2018) Influence of habitat heterogeneity on anuran diversity in Restinga landscapes of the Parnaíba River delta, northeastern Brazil. ZooKeys 757: 69-83. https://doi.org/10.3897/zookeys.757.21900
Figure 1 Map of the Environmental Protection Area of Parnaíba River Delta (shaded area), northeastern Brazil, with the location of the study area featuring six sampling points (red triangles). Key: black square, Canárias Island, state of Maranhão; black circle, Ilha Grande de Santa Isabel Island, state of Piauí.
Figure 4 from: Araújo KC, Guzzi A, Ávila RW (2018) Influence of habitat heterogeneity on anuran diversity in Restinga landscapes of the Parnaíba River delta, northeastern Brazil. ZooKeys 757: 69-83. https://doi.org/10.3897/zookeys.757.21900
Figure 4 Association between anurans' species diversity (SHANNON-WIENER diversity index) and habitat heterogeneity in the Parnaíba River Delta, Northeastern Brazil (R² = 0.9204, p-value = 0.0015). Computation of the habitat heterogeneity index is explained in Material and methods.
Fig. 5 in Diversity of anurans in forest fragments of southwestern Ethiopia: The case of the Yayu Coffee Forest Biosphere Reserve (YCFBR)
Fig. 5. Selected species encountered in YCFBR. (A) Leptopelis ragazzii, (B) Paracassina obscura, (C) Hyperolius nasutus, (D) Xenopus clivii, (E) Ptychadena anchiatae, (F) Conraua beccarii.
Figure 1 from: Estupiñán RA, Ferrari SF, Gonçalves EC, Barbosa MSR, Vallinoto M, Schneider MPC (2016) Evaluating the diversity of Neotropical anurans using DNA barcodes. ZooKeys 637: 89-106. https://doi.org/10.3897/zookeys.637.8637
Figure 1 - The BX044 priority area for conservation showing the sites at which anuran specimens were collected.
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Allen Brain Atlas
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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.