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2018 Vol.5, Issue 1 Preview Page
Diet Composition of Japanese Tree Frog (Hyla japonica) in a Rice Paddy, South Korea
So Hyun Park1
,
Hyun Lee1
,
Kang-Hyun Cho1*
,
,
1Department of Biological Sciences, Inha University
*교신저자. *Corresponding Author. 
31 March 2018. pp. 54-58
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Abstract

Diet composition of amphibians usually reflects the distribution of potential prey within habitats, as well as their diet preference. We identified the diet items of Japanese tree frog (Hyla japonica) using a stomach flushing method in a rice paddy for the establishment of bio-monitoring systems of landscape changes. During the reproductive period, 71% of calling males had empty stomachs. All prey items in the stomachs belonged to the phylum Arthropoda, from eight orders of Insecta and one order of Arachnida. Among insect prey, the most common items in the stomachs were adults of beetles, flies and bugs, and larvae of butterflies and moths. There was a significant positive correlation between the body mass of Japanese tree frogs and the volume of prey items. Our results can provide a basic framework to guide the monitoring systems using prey identification of Japanese tree frogs.

Keywords
Amphibian
Insect
Prey item
Rural landscape
Stomach flushing

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Information
  • Publisher :Korean Society of Ecology and Infrastructure Engineering
  • Publisher(Ko) :응용생태공학회
  • Journal Title :Ecology and Resilient Infrastructure
  • Journal Title(Ko) :응용생태공학회 논문집
  • Volume : 5
  • No :1
  • Pages :54-58
  • Received Date : 2018-03-19
  • Revised Date : 2018-03-19
  • Accepted Date : 2018-03-22
  • DOI :https://doi.org/10.17820/eri.2018.5.1.054
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