Atlantic Salmon Reproduction in the Upper Susquehanna River

نویسنده

  • Mark Cornwell
چکیده

Atlantic Salmon (Salmo salad redds were exanuned in t.he upperSusqueherma River during November of 1992 and 1993 at Cooperstown, W{, In 1993, ten redds were composed of 10% boulder, 12% cobble, 52% pebble, 18% gravel and 8% sand. Five redds in 1992 had a composition of 42% cobble, 36% gravel and 10% sand. Fish were sampled with a fine rnesh drift net to provide ages, lengths, weights and sex. All fish captured were 4+ years. The est.imated spawlliny p'~J ioa v-Ja~_; between 4 illid 25 Nov81mer.

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تاریخ انتشار 2011