[논문]식생을 이용한 방풍책이 눈잣나무 유묘에 미치는 영향

임효인; 채승범; 이선욱; 구자정

doi:10.13087/kosert.2020.23.4.59

식생을 이용한 방풍책이 눈잣나무 유묘에 미치는 영향
Effects of Windbreak Fences Composed of Natural Vegetation on Dwarf Siberian Pine (Pinus pumila) Seedlings 원문보기

環境復元綠化 = Journal of the Korean Society of Environmental Restoration Technology, v.23 no.4, 2020년, pp.59 - 67

임효인 (국립산림과학원) , 채승범 (국립산림과학원) , 이선욱 (설악산국립공원) , 구자정 (국립산림과학원)

Abstract ▼ AI-Helper

In this study, the effects of windbreak fences composed of natural vegetation on one-year-old seedlings were analyzed to develop restoration methods for an endangered subalpine species, the dwarf Siberian pine (Pinus pumila (Pall.) Regel). One-year-old seedlings were planted in 2016 by sowing seeds that had been collected from the Daecheongbong area on Mt. Seoraksan, South Korea, in 2014. The area near Daecheongbong was selected as the experimental site, and treatment and control plots (2m×2m) were installed at the site. To analyze the effects of wind protection, windbreak fences were constructed in the treatment plots using hairy Korean rhododendrons (Rhododendron mucronulatum Turcz. var. ciliatum Nakai) from the surrounding area and weather stations were installed to investigate atmospheric temperature, humidity, and wind speed. In all control plots without windbreak fences, dwarf Siberian pine seedlings were killed by strong winds seven months after planting. In contrast, the average survival rate of the seedlings in treatment plots was 96.7% after seven months, 64.2% after two years, and 45% after three years, with most (85.3%) of the seedlings showing good initial root establishment. Accordingly, windbreak fences composed of natural vegetation are suitable for promoting the early establishment of seedlings in the restoration of dwarf Siberian pine stands.

주제어

표/그림 (5)

그림 Figure. 1. Location of the study site planted with one-year-old dwarf Siberian pine seedlings in Mt. Seoraksan, South Korea.
그림 Figure. 2. Treatment (A) and control (B) plots in the study site.
그림 Figure. 3. Mean survival rate of dwarf Siberian pine seedling in treatment and control plots.
그림 Figure. 4. Control (A) and treatment (B, C, D) plots after three years. Dead seedling (C) and live seedling (D) after uprooting.
그림 Figure. 5. Effect of windbreak fences on environmental factors: mean wind speed (A) and soil moisture content (B).

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문제 정의

However, for successful restoration of this population, it is critical to develop a method for safe establishment of dwarf Siberian pine seedlings in their natural population. Therefore, this study aimed to develop stable in-situ restoration methods that promote early seedling establishment by evaluating the effects of windbreak fences composed of natural vegetation on the establishment of dwarf Siberian pine seedlings.

대상 데이터

1. Location of the study site planted with one-year-old dwarf Siberian pine seedlings in Mt. Seoraksan, South Korea.
Daecheongbong-type granite of the Paleoproterozoic Era is distributed in this area (Korean Institute of Geoscience and Mineral Resources, 2010). Meteorological data in the study area were based on data from 2016 to 2019 obtained from the Automatic Weather System (AWS) located near Jungcheong Shelter. During the study period, the average annual temperature was 4.
6 m·s-1. The experimental site (1,688 m above sea level) was selected in the Daecheongbong area (Figure 1) in September 2016. Control and treatment plots (2×2m) were installed at the site (Figure 2).
The one-year-old seedlings used in this study were cultivated from seeds that were collected from the Daecheongbong area on Mt. Seoraksan, South Korea, in 2014 and sown in 2015. The seeds were used after three months of cold stratification treatment at 4 ℃ to break dormancy after low-temperature (-18 ℃) storage (Lim et al.
The weather data were collected from the HOBO® weather microstation for 6 months after planting.

데이터처리

Statistical analyses were conducted using Microsoft Office Excel 2019. A t-test was performed to analyze the statistical differences between the control and treatment groups.

참고문헌 (25)

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