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산림 벌채적지의 6 년간 식생구조 변화 (1) - 광양시 백운산 연습임지역을 중심으로 -
지용기(Yong Ki Jee),오구균(Koo Kyoon Oh) 한국산림과학회 2001 한국산림과학회지 Vol.90 No.6
The objective of this study was to monitor vegetation development process after timber harvesting at (Mt.) Baekwoonsan Seoul National University Forests, Korea. Two monitoring plots were established in 1994 and woody plant were monitored from 1994 to 1999. Vegetation development pattern during last six years(1994-1999) after timber harvesting were as follows; Styrax obassia, Styrax japonica and Lindera erythrocarpa as of the existing tree were competitive species in the first year after clearcut, and Styrax japonica and Lindera erythrocarpa as of sprout tree) and Aralia elata as of seedling were dominant species in the sixth years after clearcut. Species diversity indices of harvested forest interior was decreased at the southwestern slope and increased at the northeastern slope. According to DBH distribution pattern, No. of individuals of Lindera erythrocarpa and Aralia elata showed vigorous growth in the sub-canopy layer and then Styrax japonica, Quercus serrata, Maackia amurensis, Lespedeza maximowixzii, Lindera obtusiloba, Staphylea bumalda, Clero-dendrum trichotomum, Weigela subsessilis, in order showed good growth in the sixth year after clearcut. Lindera erythrocarpa with a reversed J-shaped curve pattern by DBH class will be increased while Aralia elata with a J-shaped curve pattern will be decreased.
산림(山林) 벌채적지(伐採跡地)의 6년간 식생구조(植生構造) 변화(變化) (I) - 광양시(光陽市) 백운산(白雲山) 연습임지역(演習林地域)을 중심(中心)으로 -
지용기,오구균,Jee, Yong-Ki,Oh, Koo-Kyoon 한국산림과학회 2001 한국산림과학회지 Vol.90 No.6
낙엽활엽수림 개벌 후 벌채지에서 식생구조 발달과정과 변화를 관찰하기 위하여 서울대학교 농업생명과학대학 부속 남부연습림인 백운산의 벌채지를 대상으로 선정하였다. 1994년에 2개의 모니터링 조사구를 설치하였고, 1997년과 1999년에 식생조사를 하였다. 벌채후 6년간 벌채지의 산림식생변화는 다음과 같다. 벌채지 산림내부에서 벌채후 1년째에는 잔존 수목인 쪽동백나무, 때죽나무 및 비목나무가 우세하게 나타났으며, 벌채후 6년째에는 근주맹아목인 때죽나무와 비목나무, 실생목인 두릅나무가 우세하게 나타났다. 벌채지 산림내부의 종다양도지수는 남서사면에서는 낮아졌으며 북동사면에서는 높아졌다. 벌채지 내부의 흉고직경급(DBH) 분석에서 비목나무와 두릅나무의 개체수 출현이 가장 많았으며, 다음으로 졸참나무, 다릅나무, 때죽나무, 조록싸리, 생강나무, 고추나무, 누리장나무, 병꽃나무의 개체수 출현율이 높았다. 벌채지 내부에서 흉고직경급별 개체수 분포패턴은 비목나무가 역 J자형 분포곡선을 나타내고 있어 비목나무의 세력이 확장 유지될 것으로 예상되며 천이초기 선구수종언 두릅나무는 J자형 분포를 나타내어 그 세력이 쇠퇴될 것으로 예상된다. The objective of this study was to monitor vegetation development process after timber harvesting at (Mt.) Baekwoonsan Seoul National University Forests, Korea. Two monitoring plots were established in 1994 and woody plant were monitored from 1994 to 1999. Vegetation development pattern during last six years(1994-1999) after timber harvesting were as follows; Styrax obassia, Styrax japonica and Lindera erythrocarpa as of the existing tree were competitive species in the first year after clearcut, and Styrax japonica and Lindera erythrocarpa as of sprout tree) and Aralia elata as of seedling were dominant species in the sixth years after clearcut. Species diversity indices of harvested forest interior was decreased at the southwestern slope and increased at the northeastern slope. According to DBH distribution pattern, No. of individuals of Lindera erythrocarpa and Aralia elata showed vigorous growth in the sub-canopy layer and then Styrax japonica, Quercus serrata, Maackia amurensis, Lespedeza maximowixzii, Lindera obtusiloba, Staphylea bumalda, Clero-dendrum trichotomum, Weigela subsessilis, in order showed good growth in the sixth year after clearcut. Lindera erythrocarpa with a reversed J-shaped curve pattern by DBH class will be increased while Aralia elata with a J-shaped curve pattern will be decreased.
오구균,지용기 호남대학교 산업기술연구소 2000 산업기술연구논문집 Vol.8 No.-
어등산 일대의 개발제한구역을 대상으로 환경보전가치를 평가하기 위하여 환경평가를 실시한 결과 1등급지역은 7.94%로 어등산 산림지역 능선부 부근으로 나타났으며, 2등급지역은 31.12%로 어등산의 산복부에 분포하고 있다. 3등급지역은 전답으로 이용되는 지역으로 36.94%였으며, 4등급 지역은 21.79%로 주택, 공단 등 건물이 입지한 지역이었으며, 5등급 지역은 2.30%로 주택, 공단주변에 산재되어 분포하였다. This study was carried out for the environmental assessment in order to evaluate the environment conservation. The major results were as follows ; Class I of environmental assessment shewed 7.94% and was distributed around ridge of the (Mt.)Eodeungsan. Class II showed 31.12% and was distributed around hillside. Class III showed 36.94% and was appeared around crop field. Class IV showed 21.79% and was located over residential area and industrial complex area. Class V showed 2.30% and was located around residential area and industrial complex area.