Mostrando 841 - 860 Resultados de 3,549 Para Buscar '"amphibian"', tiempo de consulta: 0.15s Limitar resultados
  1. 841
    por Zug, George R., 1938-
    Publicado 1993
    Libro
  2. 842
    “…Therefore, this study aimed to describe the effects of widely used pesticides and parabens on aquatic non-target biota such as fish (using model organisms Danio rerio and Cyprinus carpio) and amphibians (using model organism Xenopus laevis) using a wide range of endpoints. …”
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  3. 843
    por Neptune, Troy C., Benard, Michael F.
    Publicado 2023
    “…We manipulated photoperiod by covering and uncovering tanks with clear or light‐blocking lids to mimic realistic changes in daylength. We assessed amphibian life history traits and measured phytoplankton, periphyton, and zooplankton abundances. …”
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  4. 844
  5. 845
    “…Global change exposes wildlife to a variety of environmental stressors and is affecting biodiversity worldwide, with amphibian population declines being at the forefront of the global biodiversity crisis. …”
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  6. 846
  7. 847
  8. 848
  9. 849
    por Smith, Jeramiah J., Voss, S. Randal
    Publicado 2009
    “…In this study, segregation analysis and linkage mapping were performed to localize an amphibian sex-determining locus (ambysex) in the tiger salamander (Ambystoma) genome. …”
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  10. 850
    “…Here, we examine the responses of three sympatric host species to a single fungal pathogen, Batrachochytrium dendrobatidis, which is associated with worldwide amphibian population declines and extinctions. Using an experimental approach, we show that amphibian species from three different genera display significant differences in patterns of pathgen-induced mortality as well as the magnitude and temporal dynamics of infection load. …”
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  11. 851
    “…In the largest such assessment to date, we applied this approach to each of the world’s birds, amphibians and corals (16,857 species). The resulting assessments identify the species with greatest relative vulnerability to climate change and the geographic areas in which they are concentrated, including the Amazon basin for amphibians and birds, and the central Indo-west Pacific (Coral Triangle) for corals. …”
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  12. 852
    “…A ranavirus associated with mass mortalities in wild water frogs (Pelophylax spp.) and other amphibians in the Netherlands since 2010 was isolated, and its complete genome sequence was determined. …”
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  13. 853
    “…However, little information is available on how it works and the functional implications of this biting system in amphibians although such approaches might be essential to understand feeding systems performed by early tetrapods. …”
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  14. 854
    “…These results shed light on the range‐level population status of these pond‐breeding amphibians, and our approach provides a framework that can be used to examine drivers of local and regional occurrence dynamics.…”
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  15. 855
    “…The fungus Batrachochytrium dendrobatidis (Bd) causes chytridiomycosis, a lethal epizootic disease of amphibians. Rapid identification of the pathogen and biosecurity is essential to prevent its spread, but current laboratory‐based tests are time‐consuming and require specialist equipment. …”
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  16. 856
    “…The basis of this study is data gathered over two decades of amphibian fencing alongside roads in the Austrian state of Salzburg. …”
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  17. 857
  18. 858
    “…While amphibians around the globe are facing catastrophic declines, in part because of infections with pathogens such as the Frog Virus 3 (FV3) ranavirus; the mechanisms governing amphibian susceptibility and resistance to such pathogens remain poorly understood. …”
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  19. 859
  20. 860
    “…Global initiatives, similar to the Global Amphibian Assessment, using the species and taxonomic groups identified here, are needed to derive the level of information across broad geographic ranges required to apply these frameworks. …”
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