송이생산지의 생태적 관리를 위한 소나무비오톱 유형화 및 지도 작성 : 강원도 양양군 동서고속도로 건설구간을 중심으로

Title
송이생산지의 생태적 관리를 위한 소나무비오톱 유형화 및 지도 작성 : 강원도 양양군 동서고속도로 건설구간을 중심으로
Other Titles
Biotope types and mapping for ecological management of tricholoma matsutake production area : the case of expressway in Yangyang-gun, Gangwon-do
Authors
김호정; 최송현; 윤용한
Issue Date
2012-09-30
Publisher
한국환경정책·평가연구원
Page
25~47 p.
URI
http://repository.kei.re.kr/handle/2017.oak/21175
Abstract
송이생산을 고려한 소나무비오톱유형화 및 지도 작성을 통한 송이생산지의 생태적 관리방안을 제시하고자 하였다. 연구대상지는 동서고속도로 신설구간 중 송이가 다량 생산되는 양양군구간을 대상으로 도로노선중앙에서 좌우 700m씩 범위내 총 19,79㎢을 설정하였다. 연구의 내용은 4단계로 구분하였으며 첫째, 양양군 송이관련특성, 둘째, 송이관련 선행연구 고찰, 셋째, 송이생산을 고려한 소나무비오톱유형화 기준 및 프로세스 정립, 넷째, 송이생산을 고려한 소나무비오톱지도화 등이다. 송이생산에 적합한 경사도 30~40°지역은 24.77%, 남향계열은 17.44%이었고 식생구조는 소나무군락 26.00%, 평균수령, 38±8.34년생, 교목층 평균식생밀도 9.55±4.98주/100㎡ 등으로 송이생산에 최적 식생구조였다. 토양산도(pH)는 5.0~5.6(47.96%)>5.6~7.0(42.90%)>4.0~5.0(9.14%)로서 송이발생에 적합한 약산성 토양인 pH 4.0~5.6의 면적은 57.10%였다. A0층의 깊이는 평균 3.39±2.14cm이며 4~6cm(78.03%)>0~2cm(18.10%)>2~4cm(3.87%)였다. 선행연구와 현장조사 결과를 바탕으로 현존식생(소나무우점비율), 지형(지형특성 및 경사도), 수령, 토양특성(토양산도와 A0층 깊이), 식생밀도를 유형화 기준으로 설정하여 총 6개 송이생산을 고려한 소나무비오톱유형으로 구분하였다. 유형별 분포면적은 송이생산잠재(Ⅱ)소나무비오톱유형(32.86%)>송이생산 부적합 소나무비오톱유형(22.17%)>송이생산적합(Ⅱ)소나무비오톱유형(17.79%)>송이생산적합(Ⅰ)소나무비오톱유형(14.86%)>송이생산잠재(Ⅰ)소나무비오톱유형(9.77%)>송이생산소나무비오톱유형(2.55%) 등의 순이었다. ?주제어? 지형특성, 현존식생, 토양산도, 소나무


This research is to suggest an ecological management methods by classification of biotope type and its mapping for Tricholoma matsutake. The target area was construction site of the East Hongchun - Yangyang Highway (Yangyang section) where massive production of Tricholoma matsutakes is in place. Specifically, the 700 m long range of area around the road route, Yangyang section, which is over a total area of 19,79㎢. The flow of this research was as follows: first studied were the characteristics of the Yangyang Tricholoma matsutakes; second, reviews on previous studies on Tricholoma matsutakes; third, the formulation of standards and processes of biotope type considering Tricholoma matsutake production; and fourth, mapping of biotope considering the production area of Tricholoma matsutake . In 24.77% of the region, slope angle measured 30~40°, which is suitable for Tricholoma matsutake production. Also, 17.44% of the region had southward vegetation structures, and as for the Pinus densiflora; 26.00% had average receipts; the tree ages was 38±8.34 years; and the average density of canopy layer was 9.55±4.98 / 100㎡. The soil acidity (pH) values of 5.0 to 5.6 (47.96%) > 5.6 to 7.0 (42.90%) > 4.0 to 5.0 (9.14%) were slightly high for Tricholoma matsutake growth; but 57.10% of the area had a soil pH of 4.0-5.6. The organic horizon (A0 layer) was 3.39±2.14 cm, and the mean depths were 4-6 cm (78.03%) > 0-2 cm (18.10%) > 2-4 cm (3.87%). Based on the results of previous studies and field researches on the presence of vegetation (the pine dominance ratio), the topographic structure (the terrain characteristics and slopes), the receipt, the soil structure (the soil acidity and the organic layers interposed between the depths), and the vegetation density, six clusters based on the identified types of biotopes are produced in this paper. Area of distribution according to the type of biotope was Tricholoma matsutake of the potential-production (II) biotope (32.86%) 〉Tricholoma matsutake of the inadequate-production biotope (22.17%) 〉Tricholoma matsutake of the adequate (II)-production biotope (17.79%) 〉Tricholoma matsutake of the adequate (I)-production biotope (14.86%) 〉Tricholoma matsutake of the potential-production (I) biotope (9.77%) 〉Tricholoma matsutake of the produced biotope (2.55%). ?Keywords? Landform, Vegetation, Soil pH, Pinus densiflora

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