Heat-Energy-Budget Analysis and Heat Transfer in the Largemouth Blackbass (Micropterus salmoides)

Erskine, Dale J.; Spotila, James R.

doi:10.1086/physzool.50.3.30155719

Cited by 21 publications

(9 citation statements)

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“…Although the observed water temperature variations appear relatively small, it is known that the heat capacity of water is approximately 3000 times greater than that of air; even in still water, heat is dissipated as rapidly as it reaches the surface from the body core (Erskine & Spotila 1977). Thus, small temperature differences can have a disproportionate impact on physiological functions, making a slightly warmer site potentially more beneficial for certain metabolic and physiological processes.…”

Section: Discussionmentioning

confidence: 99%

Temperature exposure and possible thermoregulation strategies in the Titicaca water frog Telmatobius culeus, a fully aquatic frog of the High Andes

Muñoz-Saravia¹,

Callapa²,

Janssens³

2018

Endang. Species. Res.

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Temperature has an important effect on amphibians, influencing virtually all physiological systems. Thermoregulation is used to manage unfavourable thermal conditions, but has been poorly studied in aquatic amphibians, and no information is available for adult aquatic anurans. We studied the temperatures to which the Critically Endangered and high Andean fully aquatic Titicaca water frog Telmatobius culeus is exposed and investigated possible thermoregulation strategies of the species in the wild. We measured water temperature in different seasons, microhabitats and depths at which T. culeus is most abundant. We established transects to obtain population densities and activity patterns of the species during the day. Seasonal and daily temperature variations as well as temperature variations among depths and microhabitats were noted. These variations were associated with densities of visible T. culeus, where adult densities were higher at depths with more stable temperatures. T. culeus behaviour associated with thermoregulation strategies in the aquatic habitat included depth selection and movement of individuals between different microhabitats. Selection of microhabitat depended on the temperature at a site and the hour of the day. These results indicate possible behavioural thermoregulation strategies such as movement to different sites or basking used by a highly specialized amphibian, and provide insights into how aquatic benthic organisms use strategies for thermoregulation in aquatic heterogeneous environments. These strategies are probably also used by other aquatic organisms from the tropical Andes. Knowledge of how these organisms respond to temperature could also help to understand the impact of global warming on their status.

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Section: Discussionmentioning

confidence: 99%

Temperature exposure and possible thermoregulation strategies in the Titicaca water frog Telmatobius culeus, a fully aquatic frog of the High Andes

Muñoz-Saravia¹,

Callapa²,

Janssens³

2018

Endang. Species. Res.

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“…Heat is lost to the ambient water, which is a very effective heat sink because of its high thermal conductance and specific heat, through the gills and integument. The relative amounts of heat lost through each route varies among species (Crawshaw, 1976(Crawshaw, , 1977(Crawshaw, , 1979Erskine and Spotila, 1977) and depends upon the activity of the fish (Mueller, 1976).…”

Section: Thermoregulatory Classificationsmentioning

confidence: 99%

The Role of Temperature in the Environmental Physiology of Fishes

Reynolds

Casterlin

1980

Environmental Physiology of Fishes

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“…During the past year Robert 1 Foley completed another series of laboratory experiments to determine the convection coefficients of turtles in air and water. He used the technique of Erskine and Spotila (1977) to obtain convection coefficients in still and moving water and also completed wind tunnel tests for convection coefficients in air. Turtles act like spheres in air and have convection coefficients simi-I lar to those reported for spheres by Mitchell (1976).…”

Section: Turtle Studies -Laboratorymentioning

confidence: 99%

“…During the past year three articles have been published (Erskine and Spotila 1977, Bonin and Spotila 1978, five articles are in -press (Foley and Spotila 1978a, Paladino and Spotila 1978, Kowalski et al• 1978, four are in review, and three articles are in preparation. We presented four papers at the Stress Symposium at SRL-SREL in Novem- .…”

Section: Concluding Commentsmentioning

confidence: 99%

Thermoregulation of fish and turtles in thermally stressed habitats. Annual progress report, October 1, 1977--September 30, 1978

Spotila¹

1978

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spo nso red by the Uni ted Sta tes Gov ern me nt. Nei the r Uni ted Sta tes nor the Uni ted Sta tes De par tme nt of I June 1978 E/(,0,.0, My of *di ,/0.y "• a"iy. |co ntra cto rs, sub con trac tors , or the ir em plo yee s, 1 any wa iran ty, exp res s 0, imp lied , or ass um es my leg al 1 1 liab ility or mp ons ibili ty fo, the acc urc y. com ple ten ess I I or ust fuln ess of any info rma tion , app i.lu s, pro duc t or | # 00'8-T-3 111 | pro ces s dixi ose d, or rep res ent s tha t its use wo uld not 1 1 infr inge priv ate ly own ed

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Heat-Energy-Budget Analysis and Heat Transfer in the Largemouth Blackbass (Micropterus salmoides)

Cited by 21 publications

References 0 publications

Temperature exposure and possible thermoregulation strategies in the Titicaca water frog Telmatobius culeus, a fully aquatic frog of the High Andes

Temperature exposure and possible thermoregulation strategies in the Titicaca water frog Telmatobius culeus, a fully aquatic frog of the High Andes

The Role of Temperature in the Environmental Physiology of Fishes

Thermoregulation of fish and turtles in thermally stressed habitats. Annual progress report, October 1, 1977--September 30, 1978

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