A STUDY ON THE POSSIBLE EFFECT OF TWO CRAYFISH SPECIES ON EPILITHIC ALGAE IN A MOUNTAIN STREAM FROM CENTRAL SPAINJ. A. ARCE, F. ALONSO, E. RICO and A. CAMACHOBull. Fr. Pêche Piscic., 380-381 (2006) 1133-1144DOI: https://doi.org/10.1051/kmae:2006016
