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766 results for “Amphibians & reptiles”
Fig. 3 in A Biogeographic Synthesis Of The Amphibians And Reptiles Of Indochina
Fig. 3. Subregions of Indochina. A. Northern Coast extends above arrow 1; Central Coast extends between arrows 1 and 2; Southern Coast extends below arrow 2. The Southern Islands include all islands below arrow 2. Note that the enclosed area within Northeast Lowlands is Tam Dao, part of the Northeast Uplands. Refer to table 1 for abbreviations. B. (opposite page) Subregions of Indochina, with elevation levels.
Fig. 18 in To Registrations Of Bottom Macroinvertebrates, Fish, Amphibians And Reptiles Of The Upper Tskhenistskali River Basin (Georgia, Lower Svanetia)
Fig. 18. Places of registrations D. b. brauneri, the species biotope and map of findings, Devashi River, Georgia, Lower Svanetia; specimens are also shown in the table of records (table 2).
Fig. 16 in To Registrations Of Bottom Macroinvertebrates, Fish, Amphibians And Reptiles Of The Upper Tskhenistskali River Basin (Georgia, Lower Svanetia)
Fig. 16. Places of registrations D. d. abchasica, the species biotope and map of findings, Devashi River, Georgia, Lower Svanetia; specimens are also shown in the table of records (table 2).
Fig. 14 in To Registrations Of Bottom Macroinvertebrates, Fish, Amphibians And Reptiles Of The Upper Tskhenistskali River Basin (Georgia, Lower Svanetia)
Fig. 14. Places of registrations of A. colchica, the species biotope and map of findings, Tshenitshali River, Georgia, Lower Svanetia; specimens are also shown in the table of records (table 2).
Fig. 11 in To Registrations Of Bottom Macroinvertebrates, Fish, Amphibians And Reptiles Of The Upper Tskhenistskali River Basin (Georgia, Lower Svanetia)
Fig. 11. Places of registrations of audial signals from H. orientalis males, Lentekhi town, Lower Svanetia; specimens are also shown in the table of records (table 2).
Fig. 10. B in To Registrations Of Bottom Macroinvertebrates, Fish, Amphibians And Reptiles Of The Upper Tskhenistskali River Basin (Georgia, Lower Svanetia)
Fig. 10. B. sitibundus, registration points and habitat in the vicinity Lentekhi town, Lower Svanetia; specimens are also shown in the table of records (table 2).
Fig. 17 in To Registrations Of Bottom Macroinvertebrates, Fish, Amphibians And Reptiles Of The Upper Tskhenistskali River Basin (Georgia, Lower Svanetia)
Fig. 17. Places of registrations D. r. svanetica, the species biotope and map of findings, Devashi River, Georgia, Lower Svanetia; specimens are also shown in the table of records (table 2).
Fig. 9. R in To Registrations Of Bottom Macroinvertebrates, Fish, Amphibians And Reptiles Of The Upper Tskhenistskali River Basin (Georgia, Lower Svanetia)
Fig. 9. R. macrocnemis, registration points and habitat in the vicinity Lentekhi town and Sasashi village, Lower Svanetia; specimens are also shown in the table of records (table 2).
Fig. 13 in To Registrations Of Bottom Macroinvertebrates, Fish, Amphibians And Reptiles Of The Upper Tskhenistskali River Basin (Georgia, Lower Svanetia)
Fig. 13. Places of registrations V. dinniki, the species biotope and map of findings, Devashi River, Georgia, Lower Svanetia; specimens are also shown in the table of records (table 2).
Fig. 6 in To Registrations Of Bottom Macroinvertebrates, Fish, Amphibians And Reptiles Of The Upper Tskhenistskali River Basin (Georgia, Lower Svanetia)
Fig. 6. Map of records of the caught fish species: yellow — S. trutta, blue — B. angorae; red — B. escerichia.
Data from: Fast life history traits promote invasion success in amphibians and reptiles
Competing theoretical models make different predictions on which life history strategies facilitate growth of small populations. While 'fast' strategies allow for rapid increase in population size and limit vulnerability to stochastic events, 'slow' strategies and bet-hedging may reduce variance in vital rates in response to stochasticity. We test these predictions using biological invasions since founder alien populations start small, compiling the largest dataset yet of global herpetological introductions and life history traits. Using state-of-the-art phylogenetic comparative methods, we show that successful invaders have fast traits, such as large and frequent clutches, at both establishment and spread stages. These results, together with recent findings in mammals and plants, support 'fast advantage' models and the importance of high potential population growth rate. Conversely, successful alien birds are bet-hedgers. We propose that transient population dynamics and differences in longevity and behavioural flexibility can help reconcile apparently contrasting results across terrestrial vertebrate classes.
Data-set of studies on mortality, sub-lethal and reproductive effect on amphibians and reptiles
<p>Amphibians and reptiles have not been considered in environmental risk assessments of chemicals, which has generated some debate about whether risk posed by some pollutants like pesticides on these animals are covered by surrogates in the groups of fish, mammals and birds. In order to develop a scientifically sound and robust risk assessment scheme it is necessary to have enough information available on the biological relevance of effects observed in laboratory studies in view of population level effects, to identify sensitive life stages and to compare sensitivity of our target study groups with that of their surrogates.</p> <p>With these objectives, a systematic review of toxicological literature on amphibians and reptiles a comprehensive search of relevant literature on toxicity data related to amphibians and reptiles was conducted, using the appropriate search strings and combinations, in six different source types: multidisciplinary databases of scientific literature (i.e. Web of Science and Scopus), literature included in general amphibian and reptile ecotoxicology compilations, literature compiled in technical reports previously prepared for EFSA, literature sources used for creating amphibian or reptile records in the ecotoxicological database created by De Zwart (see references for details), literature sources used for creating amphibian or reptile records in toxicological online databases (United States Environmental Protection Agency’s Ecotoxicology Knowledgebase–ECOTOX, and National Library of Medicine’s Hazardous Substances Data Bank–HSDB), and indexes of herpetological scientific journals of local scope not included in Web of Science or Scopus.</p> <p>Data extraction consisted of the retrieval of relevant information, including among other fields: species, age, sex, chemical substance, exposure route and duration, type of recorded endpoint, type of response, exposure concentration, mean effect value of the control and exposed groups and the reported variability measures of these mean effects, and statistical significance of the comparison.</p> <ul> <li>Data category 1: Reporting endpoints. Endpoints are defined here as benchmark values obtained from the integration of responses measured at different concentrations (e.g. LC<sub>50</sub>, EC<sub>50</sub>, NOEC, for which calculation it is necessary to make a regression with the percentage of effect at different exposure concentrations).</li> <li>Data category 2: Reporting responses for each tested level. These are studies in which different replicates of experimental units are exposed to different levels (doses, concentrations), including a control treatment, and a magnitude of effect is recorded at each level. For some of these studies it was possible to calculate an endpoint (e.g. LC<sub>50</sub>, EC<sub>50</sub>, NOEC) and for others it was not (e.g. if only one concentration was tested or if a statistically significant adjustment between exposure level and effect cannot be achieved).</li> </ul> <p> </p> <p>Three objectives corresponding to the review of the effects of chemicals on amphibians and reptiles, the main results of the study were:</p> <ol> <li>Identification of the most sensitive life stage.</li> <li>Extrapolation from laboratory data to mesocosm and field situations</li> <li>Comparison with surrogate taxa</li> </ol> <p>The review was conducted on 3642 full-text records for chemical exposure effects and 556 for life history traits, out of which 1332 and 204, respectively, were finally used for data extraction. The datasets comprised 23152 values corresponding to effects of chemicals and 1854 values corresponding to life history traits.</p>
Data from: Influences of ski-runs, meadow management and climate on the occupancy of reptiles and amphibians in a high-altitude environment of Italy
<p>Alpine ecosystems harbour a rich and highly-specialized biodiversity which is particularly susceptible to anthropogenic disturbances such as habitat loss and fragmentation as well as to climate change. Combined with other forms of land-use conversion, construction and maintenance of ski resorts can have severe consequences on alpine biodiversity. In this study, we show how one amphibian and two reptile species, namely <em>Rana </em><em>temporaria</em>, <em>Zootoca</em><em> vivipara</em> and <em>Vipera</em><em> </em><em>berus</em>, respond to such impacts by means of a multi-season occupancy analysis. We found all three species both in and outside ski-runs, showing that these habitats do not necessarily preclude their occurrence. Contrarily, this is influenced more by microhabitat availability, such as ground vegetation, humid areas, and rock cover, rather than by macro-characteristics like elevation or habitat type. Moreover, we found a climatic influence on the year-to-year occupancy change of the species, with activity-months conditions being more relevant than overwintering ones. Our results demonstrate how, in the specific case of reptiles and amphibians, ski resorts do not necessarily limit species' occurrence and that a mild series of management actions might secure the species' persistence in the area.</p>
Fig. 38 in Amphibians and reptiles of Parsa National Park, Nepal
Fig. 38. Trimeresurus albolabris. Photograph by Kapil Pokharel/NTNC-BCC.
Fig. 36 in Amphibians and reptiles of Parsa National Park, Nepal
Fig. 36. Rhabdophis subminiatus. Photograph by Dip Prasad Chaudhary/NTNC-BCC.
Fig. 37 in Amphibians and reptiles of Parsa National Park, Nepal
Fig. 37. Daboia russelii. Photograph by Santosh Bhattarai.
Fig. 35 in Amphibians and reptiles of Parsa National Park, Nepal
Fig. 35. Xenochropis piscator. Photograph by Kapil Pokharel/ NTNC-BCC.
Fig. 33 in Amphibians and reptiles of Parsa National Park, Nepal
Fig. 33. Ophiophagus hannah. Photograph by Kapil Pokharel/ NTNC-BCC.
Fig. 34 in Amphibians and reptiles of Parsa National Park, Nepal
Fig. 34. Amphiesma stolatum. Photograph by Kapil Pokharel/ NTNC-BCC.
Fig. 32 in Amphibians and reptiles of Parsa National Park, Nepal
Fig. 32. Naja naja. Photograph by Kapil Pokharel/NTNC-BCC.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.