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7 results for “Engystomops pustulosus”
Data from: Thermal sensitivity of a Neotropical amphibian (Engystomops pustulosus) and its vulnerability to climate change
A species' thermal sensitivity and its exposure to climate variation are key components in the prediction of its vulnerability to climate change. We tested the thermal sensitivity of a tropical amphibian that lives in a mild constant climate in which the thermal tolerance range is expected to closely match the experienced environmental temperature. The air temperature that this species is exposed to varies between 21.9 and 31.6°C with an annual mean of 27.2°C. We estimated the microhabitat water temperature variation under vegetation shade, which buffers the temperature by 1.8°C in relation to that of the air, and with open canopy, where the water was 1.9°C warmer than the air temperature. With broods of tadpoles split into five treatments (15°C, 21°C, 28°C, 31°C, and 33°C), we estimated the critical thermal maximum (CTMax) and critical thermal minimum (CTMin) after at least 7 days of acclimation. Both CTMax (42.3°C) and CTMin (11.8°C) were more extreme than the temperature range estimated for the field. We estimated the optimum temperature (To = 28.8°C) and the thermal performance breadth (range: 23.3–34.1°C) based on growth rate (g/day). The animals were able to acclimate more extensively to cold than to warm temperatures. These performance curve traits closely matched the air temperature. The estimated vulnerability varied according to the microhabitat prediction model used. The combination of tadpole data on thermal sensitivity and macro- and microhabitat variation provides a necessary framework to understand the effects of climate change on tropical amphibians.
FIGURA 2 in Efecto Del Tamaño Del Hábitat En La Supervivencia, Desarrollo Y Crecimiento En Renacuajos De Engystomops Pustulosus (Anura: Leiuperidae) Y Rhinella Humboldti (Anura: Bufonidae)
FIGURA 2: Desarrollo de los renacuajos en los tres tamaños de hábitat experimentales a diferentes tiempos. (A) E. pustulosus, (B) R. humboldti. Estadíos de desarrollo según Gosner (1960).
FIGURA 3 in Efecto Del Tamaño Del Hábitat En La Supervivencia, Desarrollo Y Crecimiento En Renacuajos De Engystomops Pustulosus (Anura: Leiuperidae) Y Rhinella Humboldti (Anura: Bufonidae)
FIGURA 3: Longitud total de los renacuajos de E. pustulosus (A) y de R. humboldti (B) en los tres tamaños de hábitat experimentales a diferentes tiempos.
Data from: Thermal sensitivity of a Neotropical amphibian (Engystomops pustulosus) and its vulnerability to climate change
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Figure 1 from: Starr CK, Bhukal R, Ballah ST (2020) Observations of neotropical social wasps (Hymenoptera, Vespidae) preying on eggs and tadpoles of the frog Engystomops pustulosus (Amphibia, Leptodactylidae). Journal of Hymenoptera Research 78: 91-96. https://doi.org/10.3897/jhr.78.54409
Figure 1 Stages in the disintegration of Engystomops pustulosus foam nests. a Stage 1; fresh, domed above the water b Stage 2; distinctly flatter, but still coherent c Stage 3; very flat and losing coherence.
Figure 2 from: Starr CK, Bhukal R, Ballah ST (2020) Observations of neotropical social wasps (Hymenoptera, Vespidae) preying on eggs and tadpoles of the frog Engystomops pustulosus (Amphibia, Leptodactylidae). Journal of Hymenoptera Research 78: 91-96. https://doi.org/10.3897/jhr.78.54409
Figure 2 Angiopolybia pallens burrowing into an Engystomops pustulosus foam nest.
FIGURA 1 in Efecto Del Tamaño Del Hábitat En La Supervivencia, Desarrollo Y Crecimiento En Renacuajos De Engystomops Pustulosus (Anura: Leiuperidae) Y Rhinella Humboldti (Anura: Bufonidae)
FIGURA 1: Porcentaje de supervivencia de los renacuajos de E. pustulosus (A) y de R. humboldti (B) en los tres tamaños de hábitat experimentales a diferentes tiempos.
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