USE OF RIVER HABITAT SURVEY TO DETERMINE THE SPAWNING HABITAT CHARACTERISTICS OF TWAITE SHAD (ALOSA FALLAX FALLAX).P. A. CASWELL and M. W. APRAHAMIANBull. Fr. Pêche Piscic., 362-363 (2001) 919-929DOI: https://doi.org/10.1051/kmae:2001027