KOREASCHOLAR

난온대 상록활엽수림의 변화과정을 장기 모니터링하기 위해 1996년 완도수목원에 설치된 16개 고정조사구(시험구, 대조구)를 대상으로 식생구조 변화를 분석했다. 특히 1996년도 복원기법으로 도입한 시험처리(솎아베기, 식물도입)가 식생 발달에 미친 영향을 심도 있게 논의했다. 교목층에 붉가시나무가 우점한 군락(고정조사구 1∼3)에서는 이 종의 평균상대우점치(MIP)가 줄고, 외부에서 들어온 상록활엽수종의 MIP가 늘어나 장래 식생구조 변화가 예상된다. 붉가시 나무-낙엽활엽수림(고정조사구 5, 7), 소나무림(고정조사구 9, 10)에서도 상록활엽수종의 세력 확장이 확인됐다. 솎아베 기를 시행했던 시험구에서 조류 피식 산포형인 생달나무, 참식나무, 후박나무 등의 종 유입과 상록활엽수종의 세력 확장이 두드러져, 난온대림 식생 발달을 촉진하는데 유효했다고 본다. 시험구에 상록활엽수종을 심어 식생구조 변화를 꾀했지만, 식재 수량이 적어 식생구조 변화에 끼친 영향이 미약했던 것으로 보인다. 다른 식생유형보다 소나무림은 소나무, 곰솔의 쇠퇴에 따른 상록활엽수림으로의 식생구조 변화가 뚜렷했다.

This study analyzed changes in the vegetation structure of 16 permanent plots (experimental and control) installed in Wando Arboretum in 1996 to monitor the long-term change process of evergreen broad-leaved forests in warm temperate. Especially, this study discusses the effects of trial treatment (selection cutting and plant introduction), introduced as a restoration technique in 1996, on vegetation development. In communities dominated by Quercus acuta in the canopy (permanent plots 1 through 3), this species’s mean important percentage (MIP) decreased, and the evergreen broad-leaved species was introduced from outside increased, likely to change the vegetation structure in the future. The expansion of the evergreen broad-leaved species group was also confirmed in Q. acuta-deciduous broad-leaved forests (permanent plots 5 and 7) and Pinus densifloraforests (permanent plots 9 and 10). In the experimental plots where thinning was carried out, the zoochory (the dispersal of seeds by birds), Cinnamomum yabunikkei, Neolitsea sericea, Machilus thunbergii, etc., and the expansion of the influence of evergreen broad-leaved species were remarkable, so it is considered to have effectively promoted the vegetation development in warm temperate forests. Although evergreen broad-leaved species were planted in the experimental plot to change vegetation structure, it seems the effect on the change was weak due to the small amount of planting. Compared to other vegetation types, the change in the vegetative structure of the pine forest to an evergreen broad-leaved forest was clear due to the decline of P. densiflora and P. thunbergii.

요 약
ABSTRACT
서 론
조사구 설정 및 연구방법
    1. 고정조사구 설치 및 시험처리
    2. 조사 및 분석 방법
결과 및 고찰
    1. 고정조사구의 상대우점치 분석
    2. 고정조사구의 종수 및 종다양도 분석
    3. 고정조사구의 개체수 및 흉고단면적 분석
    4. 종합고찰
REFERENCES

• 강현미(국립목포대학교 조경학과 조교수) | Hyun-Mi Kang (Dept. of Landscape Architecture, Mokpo National Univ., Muan 58554, Korea)
• 강지우(국립목포대학교 대학원 조경학과 석사과정) | Ji-Woo Kang (Dept. of Landscape Architecture, Graduate School, Mokpo National Univ., Muan 58554, Korea)
• 김지해(국립목포대학교 대학원 조경학과 석사과정) | Ji-Hae Kim (Dept. of Landscape Architecture, Graduate School, Mokpo National Univ., Muan 58554, Korea)
• 성찬용(한밭대학교 도시공학과 부교수) | Chan-Yong Sung (Dept. of Urban Engineering, Hanbat National Univ., 125 Dongseo-daero, Yuseong-gu, Daejeon, 34158, Korea)
• 박석곤(국립순천대학교 산림자원･조경학부 교수) | Seok-Gon Park (Division of Forest Resources and Landscape Architecture, Sunchon National Univ., Sunchoen 57922, Korea) Corresponding author