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Russian Journal of Ecology

, Volume 49, Issue 4, pp 371–374 | Cite as

Annual Nutritional Organ Mass Cycle of Bufo gargarizans (Cantor, 1842) in Response to Extreme High Temperature

  • Tong Lei Yu
  • Rui Hua Pang
  • Yan Shu Guo
Article
  • 1 Downloads

Abstract

The annual relative mass of storage organs cycle of Bufo gargarizans in southwestern China was studied from December 2005 to November 2006. We described how those organs changed in response to extreme temperatures. Energy reservation dropped to the lowest levels after dormancy for both sexes, and then increased for period of 4.25 month. However, the mass of these organs dropped again rapidly until August (liver) and September (fat bodies) due to the constraint from extreme high temperature occurred during the summer, and then non-significantly increased before hibernation. For ovaries, varied with a different profile to those of liver and fat bodies have a resting period of four months. In addition, the toads’ ovaries kept growing when the mass of liver and fat bodies declining accordingly during hibernation. Therefore, ovarian mass increased during the hibernation and non-hibernation period.

Keywords

Bufo gargarizans body reserves ovarian mass extreme high temperature 

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  1. 1.Department of Zoology, College of Life ScienceXinyang Normal UniversityHenanChina
  2. 2.Department of Zoology, College of Life ScienceChina West Normal UniversitySichuanChina

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