Redd superimposition by introduced rainbow trout,oncorhynchus mykiss, on native charrs in a japanese stream


Spawning redd superimposition of introduced, spring-spawning rainbow trout,Oncorhynchus mykiss, on native, fall-spawning Dolly varden,Salvelinus malma, and white-spotted charr,S. leucomaenis, were examined in a small stream in Hokkaido, Japan. The stream reaches in which Dolly Varden and white-sported charr redds were observed in fall 1997 greatly… (More)
DOI: 10.1007/BF02684235


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