Laboratory Methods for Determining Temperature Preference

McCauley, Robert W.

doi:10.1139/f77-117

Cited by 63 publications

(36 citation statements)

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“…The chamber is a modified version of a behavioral trough used for olfactory preference experiments by Jones & Hara (1985). Water flow was perpendicular to the axis of the gradient; this eliminated bias due to rheotactic behavior induced by horizontal gradients that utilize along-axis flow to establish the gradient (McCauley 1977, Coutant et al 1984.…”

Section: Experimental Apparatus and Techniquementioning

confidence: 99%

Thermal preferenda and behavior of Atlantic eels (genus Anguilla) in relation to their spawning migration

Haro

1991

Environ Biol Fish

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SynopsisThe final preferred temperatures (FPTs) of adult premigratory and migratory life-history phases of American eels, Anguilla rostrata, were determined by chronic tests in a horizontal thermal gradient. Mean FPTs were between 17 and 20°C and were not significantly different between life-history phases, acclimation temperatures, illumination regimes, photoperiods or sexual maturation states. Thermal behavior of eels was highly variable, both among individuals of the various test groups and among repeated tests of single individuals. Light inhibited behavioral thermoregulation by promoting shelter-seeking. The following inferences are drawn from the laboratory findings and observations of migrating A. rostrata and A. anguilla

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Section: Experimental Apparatus and Techniquementioning

confidence: 99%

Thermal preferenda and behavior of Atlantic eels (genus Anguilla) in relation to their spawning migration

Haro

1991

Environ Biol Fish

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“…Peterson et al 1979. Edsall and Clelland 2000 and shuttle boxes that produce a varying thermal gradient controlled by the organisms' movement (McCauley 1977, Konecki et al 1995 have traditionally been employed to measure thermal preference. However, thesc test systems may be limited by the presence of confounding variables inherent to their design such as varying water depth.…”

Section: Introductionmentioning

confidence: 99%

Use of an Annular Chamber for Testing Thermal Preference of Westslope Cutthroat Trout and Rainbow Trout

McMahon

Bear

Zale

2008

Journal of Freshwater Ecology

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Remaining populations of westslope cutthroat trout (Oncorhynchus clarkii iewisi) in western North America are primarily confined to cold headwaters whereas nonnative rainbow trout (Oncorhjnchus mykiss) predominate in warmer. lower clevation stream sections historically occupied by westslope cutthroat trout. We tested whether differing thermal preferences could account for thc spatial segregation observed in the field. T h m a l preferences of age-I westslope cutthroat trout and rainbow trout (1 25 to 150 mm total length) were assessed in the laboratory using a modified annular preference chamber at acclimation temperatures of 10. 12. 14, and 16°C. Final preferred temperature of westslope cutthroat trout (14.9"C) was similar to that of rainbow trout (143°C) when tested in a thermal gradient of 1 1-17°C. The high degree of overlap in thermal preference indicates the two species have similar thermal niches and a high potential for competition. We suggest several modifications to the annular preference chamber to improve performance in future studies.

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“…Terrestrial and aquatic vertebrates and invertebrate poikilothermic species have been shown to possess distinct thermal range preferences (Crawshaw, 1974;Mathur et al, 1982;Mathur & Silver, 1980;McCauley, 1977;Richards et al, 1977;Stauffer et al, 1975). Fry (1947) defined the final thermal preferendum as the temperature "around which all individuals will congregate regardless of their thermal experience prior to placement in the gradient" and as ''that temperature at which the preferred temperature is equal to the acclimation temperature".…”

Section: List Of Tablesmentioning

confidence: 99%

Febrile response and activity in the crayfish, Pacifasticus leniusculus trowbridgii

Fletcher¹

2000

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Poikilothermic and endothermic animals demonstrate febrile response to infection with bacteria or to injection with endogenous pyrogen extract of Prostaglandin E • Febrile 1 response is measured in endotherms as a relative change in metabolically achieved body temperature and in poikilotherms as an increase in selected temperatures relative to previously established preferred temperatures. Final preferendum change with environmental factors or associated physiological states.Crayfish Pacifasticus leniusculus trowbridgii were injected with 0.2 ml suspension of alcohol-killed gram-negative Aeromonas hydrophila bacteria (6 x I0 7 ) in 0.9% saline.Injections were into the coxopodite of the 2 cheliped. The crayfish were monitored in an aquatic thermal gradient by means of a thermocouple attached to the carapace. The gradient range was from 9° to 26° c. science support shop crew, Brian, Rudy, and Lee

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Laboratory Methods for Determining Temperature Preference

Cited by 63 publications

References 0 publications

Thermal preferenda and behavior of Atlantic eels (genus Anguilla) in relation to their spawning migration

Thermal preferenda and behavior of Atlantic eels (genus Anguilla) in relation to their spawning migration

Use of an Annular Chamber for Testing Thermal Preference of Westslope Cutthroat Trout and Rainbow Trout

Febrile response and activity in the crayfish, Pacifasticus leniusculus trowbridgii

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