Acclimation Of CTM, LD50 And Rapid Loss Of Acclimation Of Thermal Preferendum In Tadpoles Of Limnodynastes Peronii (Anura, Myobatrachidae)

Marshall, Elizabeth and Grigg, Gordon C. (1980) Acclimation Of CTM, LD50 And Rapid Loss Of Acclimation Of Thermal Preferendum In Tadpoles Of Limnodynastes Peronii (Anura, Myobatrachidae). Australian Zoologist, 20 III: 447-455.

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Author Marshall, Elizabeth
Grigg, Gordon C.
Title Acclimation Of CTM, LD50 And Rapid Loss Of Acclimation Of Thermal Preferendum In Tadpoles Of Limnodynastes Peronii (Anura, Myobatrachidae)
Journal name Australian Zoologist
Publication date 1980-01-01
Volume number 20
Issue number III
Start page 447
End page 455
Subject 270503 Animal Anatomy and Histology
Abstract Groups of tadpoles of Limnodynastes peronii (Anura, Myobatrachidae) were kept at two temperatures (15 degrees and 25 degrees Celsius) for 45-105 days. In a thermal gradient (6-36 degrees C), initial thermal preferenda were significantly different in 15 degrees and 25 degrees C history groups, approximately 13 degrees C and 21 degrees C respectively. However, after 2.5 hours, these initial differences were no longer seen and the final thermal preferendum was approximately 18 degrees C regardless of previous thermal history. Considering these results and the lack of metabolic acclimation reported elsewhere, these tadpoles can be seen as ecotherms whose thermal strategies are behavioural rather than physiological or biochemical. The rapid loss of acclimation of preferred temperature is discussed in relation to Fry's 'final preferendum' paradigm.
Keyword tadpoles
acclimation
thermal preferenda
Additional Notes Reproduced from Marshall E and GC Grigg 1980 "Acclimation Of CTM, LD50 And Rapid Loss Of Acclimation Of Thermal Preferendum In Tadpoles Of Limnodynastes Peroni (Anura, Myobatrachidae)". Aust Zool 20(3):447-55 with permission from the Royal Zoological Society of New South Wales.

Document type: Journal Article
Collection: School of Biological Sciences Publications
 
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