• Title/Summary/Keyword: Seon Ecology

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Genetic Structure of the Neglected Decomposer, Ptecticus tenebrifer, with an Introduced Decomposer, Hermetia illucens

  • Jeong, Gilsang;Choi, Hansu;Kang, Hyejin;Jin, Seon Deok
    • Proceedings of the National Institute of Ecology of the Republic of Korea
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    • v.2 no.2
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    • pp.96-100
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    • 2021
  • The era of mass production of agricultural and dairy systems inevitably causes a huge amount of biowastes during their processes. Modern consumption patterns of the general public also contribute to biowaste formation. Thus, processing biowastes has attracted much attention. The introduced black soldier fly (BSF) (Hermetia illucens) is considered as one of environmentally friendly management options for solving biowaste issues. However, an indigenous species, Ptecticus tenebrifer, is also a powerful decomposer that has been largely neglected. This species can be easily found on biowastes such as manure dump, agricultural wastes, and human food wastes. It can be also easily found in the field. It is even attracted to a food trap. To the best of our knowledge, this is the first ecological study on this species.

Analysis of the Ecology Dynamics of the House Swallow (우리나라 제비 생태계의 변화에 대한 동태성 분석 : 왜 제비는 20년 사이 100분의 1로 줄어들었는가?)

  • Ko, Jang-Kyu;Han, Jun-Soo;Park, Young-Seon;Choi, Nam-Hee
    • Korean System Dynamics Review
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    • v.11 no.3
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    • pp.105-126
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    • 2010
  • The ecology of house swallow is closely related to the humans life because their life depend on the human settlements conditions and environments. 30 years ago house swallows are very common at the country side, but recently they are very rare. Almost the number of house swallows decrease as 1 of hundredth during 20 years. Why this dramatic population decrease are happening in the ecology of house swallow? The Population size impacted by many factors such as nesting, breeding, feeding, returning. The objective of this paper is to analyse the population dynamics of the ecology of House Swallow. This paper focuses on the important ecological changes-nests, foods, and return rates from wintering area-associated with recent country side development. In this paper, we explore the feedback loops of population dynamics and simulate the policy scenario model.

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