The Korean Journal of Ecology

한국생태학회 (The Ecological Society of Korea)
권호 표지

유역관리에서 경관생태학의 응용 : 절개된 경관의 생태적 기능을 어떻게 회복시킬 수 있을까\ulcorner

Application of Landscape Ecology to Watershed Management : How can We Restore Ecological Functions in Fragmented landscape\ulcorner

  • Nakamura, Futoshi (Dept. of Forest Science, Faculty of Agriculture, hokkaido Univ.)
  • 발행 : 1998.08.01
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초록

This paper describes the ecological structure and function of riparian zone, and their historical changes with land-use. The riparian zone consists of valley floor landform and riparian vegetation. The functions discussed are attenuation of sunlight energy, input of leaves and needles, contribution of woody debris to streams, and retention of flowing material out of transport. These primary functions directly or indirectly influence water and sediment qualities of streams, bars and floodplains, and thereby aquatic biota. Temporal changes in a hydrological system and riparian ecosystem were examined with reference to land-use conversin in order to understand the linkages between these two systems in Toikanbetsu River. The influences of channelization and land-use on discharge of suspended sediment and wetland vegetation was also investigated in Kushiro Marsh. These two examples suggested that the ecological functions of riparian zone have been degraded as flood control and reclamation works have expanded in the past twenty years The author proposes river restoration planning by preserving or creating landscape elements based on the concepts of sustaining physical and ecological linkages.

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