생물서식지로서 지형의 가치평가를 위한 전국자연환경조사 지형조사 고찰
A Study on Geomorphic Assessment of National Ecosystem Survey to Evaluate the Value of Landforms as a Habitat
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참고문헌
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초록
In the last 20 years, geomorphic surveys as a part of the National Ecosystem Survey have investigated various geomorphological resources in Korean Peninsula and documented a database for the systematic conservation and management of the Korean territory. Recently, as the importance of habitats has been focused on, we should pay attention to discussing the methods for habitat-based geomorphic evaluation. The purpose of this study is to analyze the data of the 3rd and 4th National Ecosystem Surveys to provide implications for habitat-based geomorphic evaluation methods and to interest Korean geomorphologists in the discussion of habitat-based evaluation. We extracted spatially overlapping regions from the geomorphic survey results and the distribution data of endangered species using QGIS. We identified a total of 73 geomorphological units where endangered species are distributed, and we conducted an expert survey to identify endangered species that could inhabit the 73 geomorphological units. As a result of this study, we found the following facts. 1) Amphibians and reptiles, terrestrial insects, and flora taxa can be used as key indicators in the evaluation of the habitat of geomorphological units; 2) Eight geomorphological units (i.e., mountain wetland, river cliff, bar, riverine wetland, flood plain, back marsh, lacustrine wetland) with a habitable frequency of endangered species can be separately managed as habitats; 3) An evaluation method can be adaptable, such as additional scores (and/or grades) to the evaluation of geomorphological units in which key species have appeared. We anticipate geomorphic surveys that will enable assessments as habitats instead of current methods with limitations such as evaluation at the landscape level. Furthermore, the result of the habitat-based geomorphic evaluation could be effectively used for categorizing habitats and selecting survey regions in other taxa.
Abstract
In the last 20 years, geomorphic surveys as a part of the National Ecosystem Survey have investigated various geomorphological resources in Korean Peninsula and documented a database for the systematic conservation and management of the Korean territory. Recently, as the importance of habitats has been focused on, we should pay attention to discussing the methods for habitat-based geomorphic evaluation. The purpose of this study is to analyze the data of the 3rd and 4th National Ecosystem Surveys to provide implications for habitat-based geomorphic evaluation methods and to interest Korean geomorphologists in the discussion of habitat-based evaluation. We extracted spatially overlapping regions from the geomorphic survey results and the distribution data of endangered species using QGIS. We identified a total of 73 geomorphological units where endangered species are distributed, and we conducted an expert survey to identify endangered species that could inhabit the 73 geomorphological units. As a result of this study, we found the following facts. 1) Amphibians and reptiles, terrestrial insects, and flora taxa can be used as key indicators in the evaluation of the habitat of geomorphological units; 2) Eight geomorphological units (i.e., mountain wetland, river cliff, bar, riverine wetland, flood plain, back marsh, lacustrine wetland) with a habitable frequency of endangered species can be separately managed as habitats; 3) An evaluation method can be adaptable, such as additional scores (and/or grades) to the evaluation of geomorphological units in which key species have appeared. We anticipate geomorphic surveys that will enable assessments as habitats instead of current methods with limitations such as evaluation at the landscape level. Furthermore, the result of the habitat-based geomorphic evaluation could be effectively used for categorizing habitats and selecting survey regions in other taxa.
참고문헌 (20)
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