Journal of Wetlands Research (한국습지학회지)

Korean Wetlands Society (한국습지학회)
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Studies on the Characteristics of Vegetation and Plant Diversity of Coastal Sand Dune in Busan Metropolitan City

부산광역시 해안사구의 식물다양성과 식생 특성

  • Park, Ji-Won (Department of Life Science, Kongju National University) ;
  • Lee, Seung-Yeon (Department of Life Science, Kongju National University) ;
  • Lee, Eung-Pill (Department of Life Science, Kongju National University) ;
  • Kim, Eui-Joo (Department of Life Science, Kongju National University) ;
  • Park, Jae-Hoon (Department of Life Science, Kongju National University) ;
  • Lee, Jung-Min (Department of Life Science, Kongju National University) ;
  • Kim, Min-Joo (Department of Life Science, Kongju National University) ;
  • No, Jae-Yeong (Department of Life Science, Kongju National University) ;
  • Han, Dong-Uk (ECO Korea) ;
  • You, Young-Han (Department of Life Science, Kongju National University)
  • Received : 2020.04.14
  • Accepted : 2020.04.28
  • Published : 2020.05.31
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Abstract

The coastal sand dunes have transitional characteristics of marine and inland ecosystems, and they have abundant biodiversity. This study investigated flora and vegetation and analyzed the landscape structure at seven beaches in Busan metropolitan city. As a result, the vascular species of the coastal sand dunes in Busan were identified as 178 taxa of 140 families. Vegetation landscape was damaged to the extent that no natural vegetation was found in 4 of 7 beaches (57%). The coastal dune vegetation was dominated by the Carex pumila community and Carex kobomugi community. The halophyte and invasive alien species were classified into 18 taxa (10% of all species) and 40 taxa (22% of all), respectively. The vegetation that made up the largest area was the Phragmites communis community of the salt marsh, and the species number of halophyte increased as the wetland area increased. This means that the maintenance and management of salt marshes is important to conserve the unique plant diversity of the region.

해안사구는 해양생태계와 내륙생태계의 전이대적인 성격을 가지고 있으며 풍부한 생물다양성을 내재하고 있지만, 간척, 매립, 관광객 증가 등의 서식처 교란으로 인해 고유생태계가 크게 훼손되고 있다. 본 연구는 부산광역시의 7개 해수욕장에서 식물상, 식생을 조사하고 경관구조를 분석하였다. 그 결과, 부산시 해안사구의 관속식물상은 57과 140속 162종 15변종 1품종의 178분류군으로 확인되었다. 7개 해수욕장 중 4개(57%)에서 자연식생이 전혀 발견되지 않을 정도로 식생경관이 훼손되어 있었다. 해안사구식생은 좀보리사초군락, 통보리사초군락이 우점하였다. 염생식물과 귀화식물은 각각 18분류군(전체 출현종 10%), 40분류군(전체의 22%)이었다. 가장 넓은 면적을 이루는 식생은 염습지의 갈대군락이었고, 염생식물 종수는 습지면적이 증가함에 따라 증가하였다. 이것은 이 지역의 고유한 식물다양성을 유지하기 위해서는 염습지의 유지와 관리가 중요함을 뜻한다.

Keywords

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