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Effects of elevation and herbivores on the distribution of halophytes in a Korean salt marsh : 한국 염습지에서 고도와 초식동물이 염생식물 분포에 미치는 영향
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.advisor | 이은주 | - |
| dc.contributor.author | 방정환 | - |
| dc.date.accessioned | 2018-11-12T00:56:12Z | - |
| dc.date.available | 2018-11-12T00:56:12Z | - |
| dc.date.issued | 2018-08 | - |
| dc.identifier.other | 000000152999 | - |
| dc.identifier.uri | https://hdl.handle.net/10371/143096 | - |
| dc.description | 학위논문 (박사)-- 서울대학교 대학원 : 자연과학대학 생명과학부, 2018. 8. 이은주. | - |
| dc.description.abstract | 염습지에서 염생식물(halophytes) 분포는 일반적으로 환경구배에 의해 결정되며 관련된 주요 요인을 확인하는 것이 중요하다. 본 학위논문은 염생식물 분포와 생장에 영향을 주는 주요 요인을 다룬다. 첫 번째 연구는 염생식물이 고도 기울기에 따라 어떻게 분포하는지를 기록하고 분포에 영향을 미치는 환경 요인을 조사했다. 조사지역은 세계에서 가장 큰 조수간만의 차를 보이는 곳 중 하나인 시흥 갯벌이다. 나는 관심이 집중되지 않은 각 염생식물 종이 고도에 따라 분명한 대상분포를 하고 있다는 것을 발견했다. 또한, 고도가 높은 곳의 토양 염분은 매우 다양했다. 식물 군집 구성을 반영한 클러스터분석(Cluster analysis)을 통해 4 개의 그룹으로 분류했다 (나문재, 갯잔디, 갈대에 의해 정의된 높은 고도 그룹 1 | - |
| dc.description.tableofcontents | ABSTRACT ................................................................................................... i
CONTENTS ................................................................................................ iv LIST OF FIGURES .................................................................................... vii LIST OF TABLES ....................................................................................... x CHAPTER 1. General introduction ............................................................... 1 CHAPTER 2. Plant distribution along an elevational gradient in a macrotidal salt marsh on the west coast of Korea ......................................... 8 2.1. Introduction ........................................................................................ 9 2.2. Material and methods ....................................................................... 13 2.2.1. Study site ................................................................................... 13 2.2.2. Field survey ............................................................................... 15 2.2.3. Soil analysis .............................................................................. 18 2.2.4. Data analysis ............................................................................. 19 2.3. Results .............................................................................................. 20 2.3.1. Environmental factors .............................................................. 20 2.3.2. Plant distribution ....................................................................... 24 2.4. Discussion ......................................................................................... 34 CHAPTER 3. Diet of the mud-flat crab Helice tientsinensis in a Korean salt marsh ........................................................................................................... 41 3.1. Introduction ...................................................................................... 42 3.2. Material and methods ....................................................................... 45 3.2.1. Study site ................................................................................... 45 3.2.2. Sampling and sample processing .............................................. 45 3.2.3. Stable isotope analyses ............................................................. 48 3.2.4. DNA analysis of stomach contents ........................................... 49 3.2.5. Data analysis ............................................................................. 51 3.3. Results ............................................................................................. 52 3.3.1. Stable isotope analyses ............................................................. 52 3.3.2. DNA analysis of stomach contents ........................................... 56 3.3.3. Stable isotope mixing model ..................................................... 58 3.4. Discussion ........................................................................................ 60 CHAPTER 4. Interacting effects of crab burrowing and halophyte growth on soil properties in a Korean salt marsh .................................................... 65 4.1. Introduction ...................................................................................... 66 4.2. Material and methods ....................................................................... 68 4.2.1. Study site ................................................................................... 68 4.2.2. Field survey ............................................................................... 71 4.2.3. Soil analysis .............................................................................. 74 4.2.4. Data analysis ............................................................................. 74 4.3. Results .............................................................................................. 75 4.3.1. Vegetation survey according to distance from parent plants ..... 75 4.3.2. Soil properties according to distance from parent plants .......... 78 4.3.3. Soil properties by habitat type .................................................. 82 4.4. Discussion ........................................................................................ 87 CHAPTER 5. General discussion and conclusions ................................ 93 REFERENCES ....................................................................................... 98 APPENDIX ........................................................................................... 123 국문초록 ............................................................................................... 131 | - |
| dc.language.iso | en | - |
| dc.publisher | 서울대학교 대학원 | - |
| dc.subject.ddc | 570 | - |
| dc.title | Effects of elevation and herbivores on the distribution of halophytes in a Korean salt marsh | - |
| dc.title.alternative | 한국 염습지에서 고도와 초식동물이 염생식물 분포에 미치는 영향 | - |
| dc.type | Thesis | - |
| dc.contributor.AlternativeAuthor | Jeong Hwan Bang | - |
| dc.description.degree | Doctor | - |
| dc.contributor.affiliation | 자연과학대학 생명과학부 | - |
| dc.date.awarded | 2018-08 | - |
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