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- 저자 : 권태성 (검색결과 173 건)
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권태성 한국응용곤충학회 2017 한국응용곤충학회 학술대회논문집 Vol.2017 No.10
온도 구배에 따라 3가지 유형의 다양성 패턴(증가형, 종형, 감소형)이 보고되었다. 아직까지 이 세 가지 다양성패턴이 나타나는 원인을 종합적으로 설명하는 이론은 없었으나, 최근 권태성은 진화기반 다양성 모형으로 그것을설명하였다. 이 모형은 분류군이 최초에 진화한 지역의 온도조건에 따라 다양한 유형의 다양성 패턴이 나타날것으로 예측하였다. 열대기후에서 진화한 분류군은 우리나라에서 증가형의 다양성 패턴이, 온대기후에서 진화한분류군은 종형이나 감소형 패턴이 나타날 것을 예측한 바 있다. 이 가설을 검정하기 위해 연평균 기온이 7.4℃에서12℃ 의 온도구배에 따라 6개소 조사지(활엽수림)를 선정하여 함정트랩에서 채집한 노린재목 곤충(진딧물 제외)의다양성(종수)를 비교하였다. 노린재의 다양성은 기온이 높을수록 낮아지는 감소형 패턴이었다.
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Prediction of abundance of ants according to climate change scenarios RCP 4.5 and 8.5 in South Korea
권태성,이철민 국립중앙과학관 2015 Journal of Asia-Pacific Biodiversity Vol.8 No.1
In order to identify change of ant distribution expected due to climate change in South Korea, data on ants collected from 344 forest sites were used to predict change of abundance of ant species. In distribution of abundance along temperature gradient, 16 species displayed the patterns expected from normal distribution. For these species, abundance in temperature zones was used to link with temperature changes and predict the abundance. Temperature changes were based on Representative Concentration Pathways (RCP) 4.5 and 8.5, and the national average and distribution of abundance during the two periods from 2011 to 2015 and from 2056 to 2065 were predicted. The rate of change of ant abundance and the average temperature of the collection sites showed a clearly positive relationship. Based on these results, qualitative prediction (increase or decrease) was conducted for species with ≥ 1% occurrence. The results showed that eight species would increase and 29 decrease, so the number of the decrease-expected species is three times more than that of the increase-expected species.
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권태성 한국응용곤충학회 2014 한국응용곤충학회 학술대회논문집 Vol.2014 No.10
개미의 경쟁과 기온과의 관련성을 파악하기 위해 기온구배에 따라 6개 산림을 조사지(운두령, 하안림, 광릉, 소백산, 가야산, 금산)로 선정하여 유인트랩(유인제: 번데기, 고양이사료, 카스테라, 꿀)을 이용한 개미의 경쟁을 2013년과 2014년 여름 철에 7회에 걸쳐 조사를 하였다. 2014년 8월 초순에 실시한 조사에서는 다른 조사 때와는 달리 조사 당시에 모기향을 사용하였다(조사지에 모기가 많음). 이 조사 시 기에 개미의 유인은 정상적으로 되었으나(종별 개체수), 개미간의 공격(싸움, 공격 등)이 6개 조사지에서 공통적으로 전혀 관찰되지 않았다. 그러나 모기향을 사용하 지 않은 다른 시기의 조사에서는 개미간의 공격이 모든 조사지에서 매우 빈번하게 관찰되었다. 이 현상은 모기향이 개미의 먹이를 찾는 능력을 감소시키지는 않으나 공격성을 감소시키는 것을 의미한다. 이는 모기향이 모기의 기피제로 작용 할뿐 아 니라 모기의 공격성을 감소시킴으로서 사람에 대한 흡혈작용을 억제할 가능성을 제기하는 것으로 이러한 가설에 대한 검정이 필요한 것으로 사료된다.
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Change of ant fauna in the Gwangneung Long-Term Ecological Research site in South Korea
권태성 국립중앙과학관 2015 Journal of Asia-Pacific Biodiversity Vol.8 No.3
Ant surveys were carried out in seven different years from 2002 to 2012 at the Gwangneung Long-Term Ecological Research site in South Korea to identify changes of ant communities using pitfall traps. Principal component analysis was used for analysis of communities. Species diversity of ant community decreased and species composition changed in 2004, when forest species decreased but open habitat species increased. The diversity was restored in 2005, but community structure did not return to the predisturbance state. The first numerically dominant species was changed from Aphaenogaster japonica to Formica japonica since 2004. The disturbance value of ant communities recognized a disturbance in 2003. Ant species foraging on vegetation were increased in abundance and were changed in occurrence each year since 2005, indicating that an increase of understory vegetation after forest disturbance would influence ant community composition.
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Change of arthropod abundance in burned forests: Different patterns according to functional guilds
권태성,박영규,임주훈,류새한,이철민 한국응용곤충학회 2013 Journal of Asia-Pacific Entomology Vol.16 No.3
Forest fires are one of the most frequent and important causes of forest disturbances, the occurrence of which is globally increasing due to the effects of climate change. This study aimed to determine the impacts of fire and human activity on arthropod communities in affected forests. Twelve study sites in three burned areas were selected for this study. Intensities of disturbance in the study sites were characterized as follows:Disturbance Degree (DD) 0 (no fire), DD 1 (surface fire), DD 2 (crown fire), and DD 3 (crown fire followed by reforestation). Arthropods were collected using pitfall traps. Fourteen arthropod taxa (families, orders or classes), which are relatively homogeneous in their feeding habits and abundant, were analyzed. Depth of litter layer was selected as an environmental indicator for disturbance intensity, as it decreases linearly as the degree of disturbance increased. Changes of arthropod abundance in response to disturbance differed among functional guilds. As disturbance intensity increased, the abundance of detritivores decreased, but the abundance of herbivores increased. However, the abundance of predators varied between taxa. Formicidae and Araneae increased in disturbed sites, whereas Carabidae and Staphylinidae did not change. The abundance of Thysanura and Diptera was highly correlated with disturbance intensity, and may be suitable as a bioindicator for forest disturbance. Arthropod communities were more heterogeneous in forests of intermediate disturbance.
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Testing of divergent patterns of butterfly niche breadth in a peninsula
권태성,김성수,최세웅 한국곤충학회 2013 Entomological Research Vol.43 No.2
The butterfly fauna on the Korean peninsula are comprised of both the Palearctic and Oriental species. We hypothesized that the Oriental species (immigrated across the sea) tend to have a wider niche breadth compared with the Palearctic species (immigrated from the continent) since the former migrates long distances across the sea and has to adapt to new environments. We tested this hypothesis using Korean butterfly data on distribution, habitat, food and life history traits. The distribution and ecological traits such as habitat breadth, overwintering stage, and voltinism of the Oriental species were found to be significantly different from the Palearctic species. However, the diet breadth and food plant type were not different. These results partly confirm the peninsula niche breadth hypothesis, which predicted that Oriental species have a broader niche breadth than Palearctic species.
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