Forests are valuable natural resources for people living around the mountains. In particular, the comfortable feeling or healing is one of the most important benefits obtained from forests. This healing can be possible by many aspects of forests, including the landscape, natural sounds, anions, and pleasant aromas. We focused on the volatile organics from forest causing pleasant aromas, phytoncides. Twenty phytoncides were monitored from February to September in a national tree garden (BaekDoDaeGan SooMokWon). Five sites were monitored two times per month and 20 phytoncides were detected. Borneol showed the highest annual average concentration and the order of concentration was borneol > mycene > sabinene > limonene > α-pinene. The average phytoncide concentration was relatively high in spring and summer season when the trees were physiologically active. Daily monitoring showed that the afternoon hours had higher concentrations of phytoncides than the morning hours, which may be due to the stabilized atmospheric conditions at the sites. Among the five sites, coniferous forests gave higher phytoncide emissions than broadleaf tree forests. The current study showed that forests produce several phytoncides that cause a healing effect and a forest bath may be beneficial to the health of visitors to forests.

Abstract
1. 서론
2. 실험재료 및 방법
    2.1. 시료 채취
    2.2. 분석방법
3. 결과 및 고찰
    3.1. 월별 및 시간별 피톤치드발생 특성(평균농도)
    3.2. 피톤치드 항목별발생 특성(평균농도)
    3.3. 각 지점별 피톤치드 평균농도 특성
4. 결 론
감사의 글
참고문헌

• 이해근(경상북도 보건환경 연구원) | Hae-Geun Lee (Gyeong Sang Buk-Do Government Public Institute of Health and Environment)
• 백하주(경상북도 보건환경 연구원) | Ha-Ju Baek (Gyeong Sang Buk-Do Government Public Institute of Health and Environment)
• 김정진(안동대학교 지구환경과학과) | Jeong-Jin Kim (Department of Environmental Earth and Science, Andong National University)
• 김영훈(안동대학교 환경공학과) | Young-Hun Kim (Department of Environmental Engineering, Andong National University) Corresponding author