• Title/Summary/Keyword: 산림생태계

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Quantifying Climate Change Regulating Service of Forest Ecosystem - Focus on Quantifying Carbon Storage and Sequestration - (산림생태계 기후변화 조절서비스 계량화 방법 - 탄소 저장 및 흡수기능 계량화 방법을 중심으로 -)

  • Choi, Hyun-Ah;Lee, Woo-Kyun;Jeon, Seong Woo;Kim, Joon Sun;Kwak, Hanbin;Kim, Moonil;Kim, Jaeuk;Kim, Jung Teak
    • Journal of Climate Change Research
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    • v.5 no.1
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    • pp.21-36
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    • 2014
  • Forest ecosystem provides variety goods and services for human being. Unlike goods, forest ecosystem services could not be easily priced by market mechanism. This uncertainty has been caused to conflict in decision-making related forest ecosystem services. Quantification of forest ecosystem services is required to understand the importance of ecosystem services and their contribution to decision-making. As a growing concern of climate change, it is necessary to quantify and calculate carbon storage and sequestration in forest. In this study, for quantifying carbon storage and sequestration, we compared scale, output, input data availability of the models and analyzed the applicability of the models to Korea. The results of this study show that most models are applicable for quantifying carbon storage and sequestration. However, relatively few models are applicable for other regulating services (air quality regulation, flood mitigation, erosion control, water quality, etc.) of forest. This study would be helpful for quantifying regulating services of forest ecosystem research.

Climate Change Impacts on Forest Ecosystems: Research Status and Challenges in Korea (기후변화에 따른 산림생태계 영향: 우리나라 연구현황과 과제)

  • Lim Jong-Hwan;Shin Joon-Hwan;Lee Don-Koo;Suh Seung-Jin
    • Korean Journal of Agricultural and Forest Meteorology
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    • v.8 no.3
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    • pp.199-207
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    • 2006
  • Recent global warming seems to be dramatic and has influenced forest ecosystems. Changes in phonology of biota, species distribution range shift and catastrophic climatic disasters due to recent global warming have been observed during the last century. Korean forests located mainly in the temperate zone also have been experienced climatic change impacts including shifting of leafing and flowering phonology, changes in natural disasters and forest productivity, However, little research has been conducted on the impact of climate change on forest ecosystems in Korea which is essential to assess the impact and extent of adaptation. Also there is a shortage in basic long-term data of forest ecosystem processes. Careful data collection and ecological process modeling should be focused on characteristic Korean forest ecosystems which are largely complex terrain that might have hindered research activities. An integrative ecosystem study which covers forest dynamics, biological diversity, water and carbon flux and cycles in a forest ecosystem and spatial and temporal dynamics modeling is introduced. Global warming effects on Korean forest ecosystems are reviewed. Forestry activity and the importance of forest ecosystems as a dynamic carbon reservoir are discussed. Forest management options and challenges for future research, impact assessment, and preparation of mitigating measures in Korea are proposed.

The study on diversity of macromoth community in two different forest types from agro and forest ecosystems (농업생태계와 산림생태계 숲 유형에 따른 대형나방 군집 다양성 연구)

  • Lee, Jae-Young;Choi, Sei-Woong
    • Korean Journal of Environmental Biology
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    • v.39 no.2
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    • pp.137-146
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    • 2021
  • We aimed to investigate the macromoth diversity and species composition between two forest types; a small and fragmented agroecosystem(SFA) and a large and continuous forest ecosystem(LCF). We sampled moths twice(in June and August) using ultraviolet light traps employed in eight regions from 2018 to 2019. The results showed a significant difference between the two ecosystems; species richness, abundance and species diversity index (H') were significantly higher in LCF than in SFA. Beta diversity using Chao-Sorensen Raw abundance showed that moth community in SFA was different from that in LCF. The two components of beta diversity showed that the turnover rate was higher in LCF while nestedness was higher in SFA.

Change of Plant Community after Road construction -Case Study on Seongsamjae Road in Chirisan National Park- (도로건설이 식물생태계에 미치는 영향 -지리산국립공원 성삼재관통도로를 사례로-)

  • 김보현
    • Korean Journal of Environment and Ecology
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    • v.14 no.2
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    • pp.127-138
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    • 2000
  • 도로건설에 의한 식물생태계 영향을 종합적으로 고찰하기 위하여 도로로부터 산림 내부에 이르는 거리에 따른 식물군집구조의 변화, 비탈면에 도입한 외래종의 식생천이 및 확산현황, 귀화식물의 분포현황을 파악하였다 도로로부터 거리에 따른 식물군집구조 분석결가 도로건설로 인해 발생된 비탈면과 비탈면 끝지점에서 산림방향으로 10~20m 구간까지 종구성의 변화가 나타났다. 절개비탈면 급속녹화용으로 도입된 큰김의털(Tall Fescue) 경관 및 식물생태계에 악영향을 미치고 있었다 성토비탈면에 파종된 외래종들은 빗물이나 바람을 따라 산림 내부로 유입되어 햇빛이 잘 드는 계곡부나 산림 내부에 잔조하고 있어 식물생태계에 영향을 미치고 있는 것으로 판단되었다 성삼재관통도로변에서 조사된 귀화식물은 총 13과 35속 44종 1변종으로 45종류이었고 도로건설로 나지가 넓게 분포하는 곳이나 이용객이 집중되는 지역에서 출현종수 및 빈도가 높았다.

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The Current Status of Ecosystem Diversity in Korean and Conservation Strategy (우리 나라 생태계 다양성 현황과 보전전략)

  • Lee, Sang-Don;Jung, Eung Ho
    • Journal of Environmental Impact Assessment
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    • v.11 no.4
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    • pp.259-269
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    • 2002
  • 보전전략은 규모가 큰 지역을 설정하여야 하는 데 그 이유는 광역보전지역은 다양한 생물지리학적인 분포를 포함할 수 있기 때문이다. 이런 관점에서 본 보고서는 우리 나라의 다섯 개의 중요한 생태계에 대하여 기술하였다. 다섯 개의 생태계는 산림생태계, 담수생태계, 연안 및 해양 생태계와 도서생태계 그리고 비무장지대생태계이다. 각각의 생태계 보전전략에 대해 물리적인 측면과 생물지리적 측면에서 기술되었으며 생태계 보전방안은 생태계의 기능과 가치뿐만 아니라 자연시스템을 유지하고 복원하는 데 매우 유리하다. 생태계 보전을 위해 1) 지역주민에게 인센티브를 제공하고, 2) 연구와 교육 및 홍보의 기능을 강화하며, 3) 지역정보와 기술을 상호 교환하고, 4) 국제협력 증진을 도모, 5) 보전지역을 조성하기 위한 예산확보를 제안하였다.

Analysis of Climate Change Sensitivity of Forest Ecosystem using MODIS Imagery and Climate Information (MODIS NDVI 및 기후정보 활용 산림생태계의 기후변화 민감성 분석)

  • SONG, Bong-Geun;PARK, Kyung-Hun
    • Journal of the Korean Association of Geographic Information Studies
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    • v.21 no.3
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    • pp.1-18
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    • 2018
  • The purpose of this study is to analyze sensitivity of forest ecosystem to climate change using spatial analysis methods focused on 6 national parks. To analyze, we constructed MODIS NDVI and temperature of Korea Meteorologic Administration based on 1km spatial resolution and 16 days. And we conducted time-series and correlation analysis using MODIS NDVI and temperature. A most sensitive region to climate change is Jirisa National Park(r=0.434) and Seoraksan National Park(r=0.415), there is the highest mean correlation coefficient. The sensitivity of forest ecosystem varied according to habitat characteristics and forest types in national park. In Abies koreana of Hallsan Nation Park, temperature has raised, but NDVI has decreased. these results will be based data of climate change adaption policy for protecting forest ecosystem.

Estimation of Carbon Storages and Fluxes by Ecosystem Type in Korea (국내 생태계 유형별 탄소 저장 및 거동 산정 연구 현황 분석)

  • Inyoung Jang;Heon Mo Jeong;Sang-Hak Han;Na-Hyun Ahn;Dukyeop Kim;Sung-Ryong Kang
    • Journal of Wetlands Research
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    • v.25 no.4
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    • pp.417-425
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    • 2023
  • As climate change gets severe, the ecosystem acts as an important carbon sink, therefore efforts are being made to utilize these functions to mitigate climate change. In this study, we inventoried and analyzed the previous studies related to carbon storage and flux by ecosystem type (forest, cropland, wetland, grassland, and settlement) and carbon pool (aboveground and belowground biomass, dead wood, Litter, soil organic carbon, and ecosystem) in Korean ecosystems. We also collected the results of previous studies and calculated the average value of carbon storage and flux for each ecosystem type and carbon pool. As a result, we found that most (66%) of Korea's carbon storage and fluxes studies were conducted in forests. Based on the results of forest studies, we estimated the storage by carbon stock. We found that much carbon is stored in vegetation (aboveground: 4,018.32 gC m-2 and belowground biomass: 4,095.63 gC m-2) and soil (4,159.43 gC m-2). In particular, a large amount of carbon is stored in the forest understory. For other ecosystem types, it was impossible to determine each carbon pool's storage and flux due to data limitations. However, in the case of soil organic carbon storage, the data for forests and grasslands were comparable, showing that both ecosystems store relatively similar amounts of carbon (4,159.43 gC m-2, 4,023.23 gC m-2, respectively). This study confirms the need to study carbon in rather diverse ecosystem types.