Effects of Density and Food Availability on Growth and Cannibalism in Basin-raising Larval Salamanders (Hynobius amjiensis)

FU Cui-zhang; RAO Ren; WU Ji-hua; CHEN Jia-kuan; LEI Guang-chun

Volume 24 Issue 3

May 2003

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Article Navigation > Zoological Research > 2003 > 24(3): 186-190

FU Cui-zhang, RAO Ren, WU Ji-hua, CHEN Jia-kuan, LEI Guang-chun. Effects of Density and Food Availability on Growth and Cannibalism in Basin-raising Larval Salamanders (Hynobius amjiensis). Zoological Research, 2003, 24(3): 186-190.

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Effects of Density and Food Availability on Growth and Cannibalism in Basin-raising Larval Salamanders (Hynobius amjiensis)

1.
Key Laboratory for Biodiversity Science and Ecological Engineering,and Institute of Biodiversity Science,Shanghai 200433,China;2.Life Sciences,Peking University,Beijing 100871,China; 3.School of Life Science,Anhui University,Hefei 230039,China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2003-06-22

Abstract

Abstract

For detecting the effect of population density and food availability on the growth and cannibalism,newborns of larval salamanders (Hynobius amjiensis) were basin-raised in 2×2 combinations of the ecological factors.The experiment resulted in that the somatic growth and its variation were significantly influenced by food availability,and intra-specific bite and cannibalism were determined by both the density and food availability.Of the 4 treatments,the highest growth index appeared in the combination of low-density and high-food availability,and the largest size-variation and cannibalism in that of high-density and low-food.The results were in keeping with the expect of current theories.
- Hynobius amjiensis,
- Growth,
- Cannibalism