Environmental Assessment--FY 1979 Winter Navigation Demonstration on the St. Lawrence River--Technical Reports: Volume II; TR-I. Spring Census of Larval Fishes.

Abstract

Surveys were conducted during April and May and most of the area's fishes spawn during the period from May through mid-summer. Although data are extremely sparse, there was no evidence that boom sites represent unique winter spawning habitats or contain unusual populations of fish eggs and larvae.