Establishing a Conservation Area by

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Presentation transcript:

Establishing a Conservation Area by IAIA : Growth, Conservation & Responsibility: Promoting Good Governanceand Corporate Stewardship through Impact Assessment Establishing a Conservation Area by Habitat and Landscape Matrix Analysis Eun Joo YOON, Dong Kun LEE Seoul National University, Korea

Contents Ⅰ. Introduction Ⅱ. Methods Ⅲ. Results Ⅳ. Conclusions & Discussion

Ⅰ. Introduction

1. Background Ⅰ.Introduction Biodiversity in forest edge is high because this area interacts with diverse ecosystems. Particularly, ecotone connected to agriculture or grassland is important for many forest species requiring ‘open area’ as the part of habitat. Forest edge could be buffer area of forest core. However, development pressure is high especially at forest edge. In many development projects, considering the conservation value of forest edge is insufficient. Development of forest edge could harm not only itself but also diverse ecosystems interact with it. This core of forest

2. Objectives Ⅰ.Introduction The objective of this study is to offer the scientific basis for conserving critical area of forest edge against the development pressure. For this purpose, -First, habitat suitability map is conducted. -Second, the critical ecotone is extracted. -Finally, comprising the ecotone in the habitat suitability map, conservation value of forest edge is assessed.

2. Objectives Ⅰ.Introduction This study is focused on Forest edge & Forest-agriculture ecotone forest-agriculture ecotone Identifying the habitat of forest edge species Analyzing Landscape matrix Conservation value assessment of forest edge Core area of the forest Forest edge Agriculture area

Ⅱ. Methods

Study area : SeongNam City, GyeongGi-do, Korea Ⅱ.Methods Study area : SeongNam City, GyeongGi-do, Korea Administrative district Planned city for the population decentralization in the Metropolitan area. Since the year 1989, this city have been developed dramatically Research and Survey of species shoud be based on watershed. But in this paper, point data of birds is constructed on administrative district. So, I select Seong Nam City as my study area. The portion of green and stream is over than 80 percent in SeongNam. So species inhabit SeongNam are very diverse.

Study area : SeongNam City, GyeongGi-do, Korea Ⅱ.Methods Study area : SeongNam City, GyeongGi-do, Korea Selection Conditions 1: Almost forest area within administrative boundary is under forest edge. 2: Existing conservation area is limited core area of forest. 3: The gradation of urban-agriculture-forest is represented well. 4: There are critical habitats of 55 bird species in this gradation. existing conservation area

Dendrocpos Kizuki(Woodpecker) 2. Target species Ⅱ.Methods Dendrocpos Kizuki(Woodpecker) http://www.animalpicturesarchive.com/ Selection Conditions High recognition Definite habitat High habitat requirement Nuthatch, Varied tit, Great tit, Coal tit, Marsh tit are classified as the same guild(동고비, 곤줄박이, 박새 등) Ecological Guild Hole-nesting guild Canopy-foraging guild

Habitat characteristic Conservation value assessment 3. Methods Ⅱ.Methods Parus major / Parus ater / Parus barius / Parus palustris / Sitta europaea Factors DBH* Selection of target species Survey data** Guild of target species Vegetation Age* Inventory point of Dendrocpos Kizuki Inventory point of other species Calculating the overlap frequency of the specific ranges selected (ArcGIS9.2) Landsat NDVI Habitat characteristic analysis Habitat suitability map Effectiveness evaluation Vegetation Type* Intersect analysis(ArcGIS9.2) Calculating the number of inventory points captured by Each grade of habitat suitability map (ArcGIS9.2) Elevation Selecting the specific range of each factors in which more than 70% of target species is captured. (SPSS / ArcGIS9.2) Digital map Distance from stream Mapping the length of forest-agriculture ecotone using “feature density function” Comprising Ecotone length in habitat suitability map(ArcGIS9.2) Land cover map* Patch size Literature review Conservation value assessment of forest edge *Ministry of environment **SeongNam Length of forest-agriculture ecotone

Ⅲ. Results

1. Habitat suitability map Ⅲ.Results Factors 1: DBH 2: Vegetation age 3: NDVI 4: Vegetation type

1. Habitat suitability map Ⅲ.Results Environmental factors 5 : Elevation 6 : Distance from stream 7: Patch size

1. Habitat suitability map Ⅲ.Results The selected grades of each factors Factors Grades Target species inventory points Portion(%) Total portion(%) Elevation 0-100(m) 18.9 100-200(m) 37.8 200-300(m) 20.7 77.4 Vegetation type* Deciduous forest 66.0 Pinus rigida forest 15.1 81.1 Vegetation Age* Second grade(11-20year) 45.3 Third grade(21-30year) 90.6 DBH* First grade(6-16cm) 84.9 NDVI m≤x≤m+std 73.6 Patch size Larger than 1000ha 69.8 Distance from stream 0-200 48.1 200-400(m) 29.6 77.7 *Original grades of the data is applied

1. Habitat suitability map Ⅲ.Results Result01: Habitat suitability map Grade1 Grade2 Grade3 Grade4 Grade5 Grade6 Grade7 Grades Area (ha) Result01 Portion(%) 1 2965 21.0 2 2754 19.5 3 1018 7.2 4 1200 8.5 5 1656 11.7 6 2383 16.8 7 2167 15.3

2. Effectiveness evaluation Ⅲ.Results The number of other species inventory points captured by each value Grade Parus varius Sitta europaea Parus major Parus palutris Parus ater IP* (%) IP 1 (0.9) (1.0) (4.0) 7 (6.4) 5 (4.9) (4.2) 2 21 (19.3) 9 (8.8) 3 6 (5.5) (8.0) 4 (8.3) (12.5) 12 (11.8) (12.0) 22 (20.2) (16.7) 19 (18.6) (28.0) (29.2) 29 (26.6) 11 (45.8) 36 (35.3) (36.0) (37.5) 14 (12.8) (46.7) 15 (14.7) (20.8) total 109 (100.0) 24 102 25 박새, 진박새, 쇠박새, 곤줄박이, 동고비 *the number of inventory points

2. Effectiveness evaluation Ⅲ.Results The Portion of other species inventory points captured by 5,6,7 grades

3. Conservation value of forest edge Ⅲ.Results Forest-agriculture ecotone Extracting forest-agriculture ecotone Mapping the length of the ecotone by 200mgrid The forest patches larger than 2ha(MVA) are comprised in this analysis The longer length of ecotone is, the more interaction between ecosystems is caused.

3. Conservation value of forest edge Ⅲ.Results Result02: comprising ecotone length in result01 Only the grids where ecotone length is longer than 200m(grid size) are comprised in habitat suitability map. Values Area (ha) Result01(*) result02 1 2965(21.0) 2841(20.1) 2 2754(19.5) 2561(18.1) 3 1018(7.2) 1043(7.4) 4 1200(8.5) 1186(8.4) 5 1656(11.7) 1722(12.2) 6 2383(16.8) 2286(16.1) 7 2167(15.3) 2176(15.4) 8 - 340(2.4) *portion(%)

3. Conservation value of forest edge Ⅲ.Results Comparing result02 with result01 Some area of each grades in result 1 is converted to upper grades in result2 Result01 Result02

Ⅳ. Conclusions & Discussions

1. Conclusions & discussions Based on seven factors, habitat suitability map of target species is conducted -Applying Focal species conservation to forest edge is distinguished point. -High value of this map is distributed in forest edge. -This approach offer simple tool to identify habitat area of target species. The effectiveness of habitat suitability map is evaluated. -The 5,6,7 grades of habitat suitability map indicate high representation for other species of Hole nesting and canopy foraging guild. -It should be evaluated whether it could be representative of the other forest edge species

1. Conclusions & discussions The length of forest-agriculture ecotone is comprised in conservation value assessment. -Only the grids where ecotone length longer than 200m(grid size) are extracted in this study. -However classifying the ecotone length as the degree of interaction is required in future research. Additional conservation area could be established in forest edge based on this result. -the result of this study could be supplementary data for existing conservation area such as DGN or Ecological Naturalness.

Thank you for your attention!! IAIA : Growth, Conservation & Responsibility: Promoting Good Governanceand Corporate Stewardship through Impact Assessment Thank you for your attention!!