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Current Status and Nationwide Database of the River and Floodplain Ecosystem in Japan

  • Futoshi Nakamura
Chapter
Part of the Ecological Research Monographs book series (ECOLOGICAL)

Abstract

The species richness of plants and animals in Japanese rivers and floodplains is high owing to the geohistorical formation of the Japanese Archipelago, variation in the seasonal climate along the latitudinal gradient, and the complex river morphology created by active volcanic and tectonic activities. However, rivers and floodplains have been altered intensively over the last five decades due to agricultural and urban development. Consequently, the biodiversity of aquatic and terrestrial organisms that are dependent on river and floodplain ecosystems has been reduced greatly, and some species have become extinct or are on the verge of extinction. This chapter introduces the current status of river and floodplain ecosystems in Japan and discusses the detrimental effects of river modification with dams and channelization on those ecosystems and their linkages.

Keywords

Debris Flow Alien Species Chum Salmon Masu Salmon Floodplain Habitat 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer 2012

Authors and Affiliations

  1. 1.Graduate School of AgricultureHokkaido UniversitySapporoJapan

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