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2,581 results for “amphibians”
Figure 4 in Annotated checklist of the amphibians and reptiles of the Santander highland, Colombia
Figure 4. Color variation of Dendropsophus molitor. Scale bar = 9 mm.
Fig. 2 in A Biogeographic Synthesis Of The Amphibians And Reptiles Of Indochina
Fig. 2. Major geographic features of Indochina.
Fig. 8 in A Biogeographic Synthesis Of The Amphibians And Reptiles Of Indochina
Fig. 8. Cluster analysis phenogram for the turtles of Indochina.
Fig. 1 in A Biogeographic Synthesis Of The Amphibians And Reptiles Of Indochina
Fig. 1. Indochina (Laos, Cambodia, and Vietnam) and region in Southeast Asia.
Fig. 4 in A Biogeographic Synthesis Of The Amphibians And Reptiles Of Indochina
Fig. 4. Cluster analysis phenogram for the herpetofauna of Indochina.
Fig. 9 in A Biogeographic Synthesis Of The Amphibians And Reptiles Of Indochina
Fig. 9. Cluster analysis phenogram for the endemic herpetofauna of Indochina.
Fig. 7 in A Biogeographic Synthesis Of The Amphibians And Reptiles Of Indochina
Fig. 7. Cluster analysis phenogram for the lizards of Indochina.
Fig. 5 in A Biogeographic Synthesis Of The Amphibians And Reptiles Of Indochina
Fig. 5. Cluster analysis phenogram for the amphibians of Indochina.
Fig. 6 in A Biogeographic Synthesis Of The Amphibians And Reptiles Of Indochina
Fig. 6. Cluster analysis phenogram for the snakes of Indochina.
Figure 14 in Albanerpetontid amphibians from the Lower Cretaceous of Spain and Italy: a description and reconsideration of their systematics
Figure 14. Reconstruction of skeleton of Celtedens ibericus. Scale bar = 1 cm.
Figure 7 in Albanerpetontid amphibians from the Lower Cretaceous of Spain and Italy: a description and reconsideration of their systematics
Figure 7. Forelimbs of Celtedens ibericus – LH 6020. Scale bar = 1 mm.
Figure 12 in Albanerpetontid amphibians from the Lower Cretaceous of Spain and Italy: a description and reconsideration of their systematics
Figure 12. Location of Pietraroia fossil locality in Italy.
Figure 3 in Albanerpetontid amphibians from the Lower Cretaceous of Spain and Italy: a description and reconsideration of their systematics
Figure 3. Celtedens ibericus, LH 030 RA (part block), from Las Hoyas, Spain. Scale bar = 1 cm.
Figure 4 in Albanerpetontid amphibians from the Lower Cretaceous of Spain and Italy: a description and reconsideration of their systematics
Figure 4. Celtedens ibericus skull, LH 6020, from Las Hoyas, Spain. Scale bar = 1 mm.
Data from: Alternative food sources interfere with removal of a fungal amphibian pathogen by zooplankton
<p>1. While the amphibian disease chytridiomycosis is causing ongoing population declines and biodiversity losses around the globe, efficient mitigation strategies are lacking. The free-living zoospores of the causative agents of this disease, the chytrid pathogens <i>Batrachochytrium dendrobatidis</i> (Bd) and <i>Batrachochytrium salamandrivorans</i> (Bsal), are a potential food source for filter-feeding micropredators as part of the aquatic food web. While consumption of zoospores can lower environmental pathogen loads, alternative food sources may interfere with pathogen removal rates.</p> <p>2. We compared the ability of three filter-feeding zooplankton species, i.e. the cladoceran <i>Daphnia magna</i>, the rotifer <i>Brachionus calyciflorus</i> and the ostracod <i>Heterocypris incongruens,</i> to remove Bd zoospores in water and investigated the effect of alternative food sources, i.e. the green algae <i>Pseudokirchneriella subcapitata</i> and <i>Chlorella vulgaris</i>, on zoospore ingestion by <i>D. magna</i>.</p> <p>3.<i> D. magna</i> was the only micropredator candidate that effectively removed Bd zoospores from its environment, with an average removal rate of 1,012 ± 542 GE ind.<sup>-1</sup> h<sup>-1</sup> within our test system. High concentrations (1x10<sup>5</sup> cells/mL) of large and easily ingestible <i>P. subcapitata</i> reduced pathogen removal rates, whereas the small and less edible <i>C. vulgaris</i> did not interfere with pathogen removal.</p> <p>4. <i>Synthesis and applications:</i> We showed that <i>Daphnia spp</i>., which are keystone species in all sorts of aquatic habitats worldwide, are promising target agents for biologically mitigating chytridiomycosis infections and how natural food sources may interfere with this strategy. We also suggest potential management actions for biological disease mitigation, aiming to optimize environmental conditions for these target filter-feeders, thereby reducing pathogen densities and eventually infection pressure in amphibian hosts. Examples of such management actions include, but are not limited to, removal of planktivorous fish, habitat restoration, nutrient control or agrochemical regulation in the vicinity of amphibian breeding ponds. Further studies, including field trials, are needed to confirm the effects of pathogen consumption on infection dynamics in natural situations and investigate the impact of intervention actions.</p>
Original qPCR data from cutaneous microbiomes of Central European amphibians
<p>This data set contains a table with original qPCR values obtained from an analysis of the cutaneous microbiome of Central European amphibians. Also, the original figures used in the accompanying publication have been added for convenience.</p>
Fig. 3 in To Registrations Of Bottom Macroinvertebrates, Fish, Amphibians And Reptiles Of The Upper Tskhenistskali River Basin (Georgia, Lower Svanetia)
Fig. 3. Caught specimens of the brown trout (S. trutta).
Fig. 4 in To Registrations Of Bottom Macroinvertebrates, Fish, Amphibians And Reptiles Of The Upper Tskhenistskali River Basin (Georgia, Lower Svanetia)
Fig. 4. Caught specimens of the Colchic barbel (B. escerichia). Amphibia
Fig. 1 in To Registrations Of Bottom Macroinvertebrates, Fish, Amphibians And Reptiles Of The Upper Tskhenistskali River Basin (Georgia, Lower Svanetia)
Fig. 1. Study area and sampling station.
Salamander skin microbiome sample metadata: Variation in amphibian skin microbes
<p>These data are associated with a study that explores variation in microbial communities on western tiger salamander skin (<em>Ambystoma</em> <em>mavortium</em>) through space, time, and across life history stages. Lake water and lake substrate microbiome samples were collected to observe microbial taxa which were disproportionately abundant between salamander skin and the environment. Microbiome samples were collected at two lakes during the summer and fall of 2018, and sampling occurred at each lake every other week. During each sampling event, water quality data were collected at four or five locations within the lake and are associated with microbiome samples collected in the lake's respective regions. For each sample, bacterial and fungal communities were examined through metabarcoding of the 16S and ITS metabarcoding regions, respectively, using Illumina next-generation sequencing. The dataset includes negative control samples to aid in detecting contamination, and the dataset includes mock community samples to aid in validating our bioinformatics methods. Each sample received spike-ins of cross-contamination oligos and synthetic genes to observe cross-contamination during library preparation and to allow for the estimation of absolute microbial abundances, respectively. This dataset includes spatiotemporal, ontogenetic, morphometric, and water quality metadata for microbiome samples along with essential information for processing the DNA sequence data.</p>
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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)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
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.