Decreasing Processes and Conservation of Floodplain Species-Reference-Cited by-同舟云学术

Decreasing Processes and Conservation of Floodplain Species

Published:2008-06-01 Issue:3 Volume:3 Page:206-215
ISSN:1883-8030
Container-title:Journal of Disaster Research
language:en
Short-container-title:J. Disaster Res.

Author:

Ashizawa Kazuya, ,Okada Hisako,Kuramoto Noboru

Abstract

Japanese rivers flow rapidly, and flooding impacts significantly on floodplains, which consist of multiple habitats containing different species.Aster kantoensisKitam., endemic to a narrow area of midstream cobble floodplains, is decreasing dramatically. Flooding effects on the A.kantoensispopulation are essentially negative in maintaining the population, but effects are partially positive in terms of reproduction. Large-scale flooding, for example, creates the spaces in the edge of cobble that are safe sites for seedling growth. Since A.kantoensisevolved on cobble floodplains, the flood impact in the past was not always negative. The fact that the number of A.kantoensishas dramatically decreased recently makes recovery from floods difficult. A project is now planned to restore cobble floodplains and their endemic species.

Publisher

Fuji Technology Press Ltd.

Subject

Engineering (miscellaneous),Safety, Risk, Reliability and Quality

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