송이생산지 보전 및 복원을 위한 소나무군락의 식생구조 분석 - 강원도 양양군 송이발생지역을 중심으로 -

Vegetation Structure of Pinus densiflora Community for Conservation and Restoration of Tricholoma matsutake - Pine Mushroom Appearance Area in Yangyang-gun, Kangwon-do -

  • 김정호 (건국대학교 자연과학대학) ;
  • 최송현 (부산대학교 조경학과) ;
  • 조우 (상지대학교 관광학부) ;
  • 성찬용 (계명대학교환경계획학과)
  • 투고 : 2012.06.05
  • 심사 : 2012.10.24
  • 발행 : 2012.10.31

초록

본 연구는 도로건설이 송이생산지에 미치는 영향을 최소화하기 위해 강원도 양양군내 신설 예정인 고속도로 건설지 주변의 송이생산 소나무군락의 식생구조를 분석하여 보전 및 복원의 기초자료로 활용하고자 하였다. 고속도로 건설예정지의 영향권과 송이생산량을 고려하여 도로 주변에 총 20개 조사구를 설정하여 Classification기법중의 하나인 TWINSPAN을 이용하여 군락을 분리한 결과, 소나무군락(군락 I, II), 소나무-굴참나무군락(군락 III), 소나무-낙엽활엽수군락(군락 IV)의 4개 군락으로 최종 분리되었다. 군락별 종다양도는 $1.7353{\pm}0.0341{\sim}1.9079{\pm}0.2471$의 범위이었으며 종수는 평균 $9.2{\pm}2.8$, 교목층 출현 평균개체수는 $9.6{\pm}5.0$개체이었다. 식생밀도는 $100m^2$당 4~29주(평균 9.55주), 평균상대공간지수는 35%이하이었으며 평균수령은 $38{\pm}8.34$년생이었으며 토양은 $A_0$층의 깊이가 4~6cm, 토양산도는 4.70~5.63(평균 5.29) 송이 생육에 적정한 수준이었다. 송이는 소나무와 공생의 관계로 소나무군락의 식생구조와 매우 밀접한 관계를 가지고 있으므로 생태적 관리방안으로 적정밀도 조절, 아교목층과 관목층의 밀도조절, 교목층 낙엽활엽수의 제거 등을 제안하였다. 향후 도로건설시 송이생산지역내 관통도로를 최소화하고 송이생산지내 및 인근지역을 관통할 경우 숲내부 천이 및 식생구조 변화가 발생하지 않도록 생태적 관리 및 복원조치가 필요할 것이다.

Korea Expressway Corporation have a plan to make a new highway from East Hongcheon to Yanayang in Kangwon-do(province). This research was conducted to analyze a vegetation structure of japanese red pine forest and to prepare conservation and restoration basic information for minimizing the effects on pine mushroom producing by road construction. Considering the range of effects by road construction, twenty plots were set up near road construction reserved area, and surveyed. The result analyzed by TWINSPAN, one of the classification technique, showed that the communities were divided into four groups which are two Pinus densiflora community, Pinus densiflora-Quercus variabilis community and Pinus densiflora-Deciduous broad leaves forest community(IV). Species diversity index of each community ranged from $1.7353{\pm}0.0341$ to $1.9079{\pm}0.2471$, and the average number of species was $9.2{\pm}2.8$, especially $9.6{\pm}5.0$ at canopy layer in the unit area($100m^2$). The number of individuals ranged from 4 to 29 and average 9.55 in the unit area($100m^2$). The average RSI(relative space index) was below 35%, the average estimated age of the forest was $38{\pm}8.34$ years. The depth of $A_0$ layer of soil was 4~6cm and the range of soil acidity was pH4.70~5.63(average pH 5.29). Pine mushroom and Japanes red pine have a close symbiosis relation. Therefore it is needed that minimizing the read construction which goes through the pine mushroom producing area. If a road goes through a pine mushroom producing area, restoration measurement is prepared to prevent forest from rapid change such as succession or vegetation structure.

키워드

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