Where have all the fish gone? The reasons why fish catches in Swiss rivers are declining.
Burkhardt-Holm
Patricia
P
University of Basel, Switzerland.
Giger
Walter
W
Güttinger
Herbert
H
Ochsenbein
Ueli
U
Peter
Armin
A
Scheurer
Karin
K
Segner
Helmut
H
Staub
Erich
E
Suter
Marc J F
MJ
D000818:Animals; D005399:Fishes; D005618:Fresh Water; D011157:Population Dynamics; D011998:Recreation; D013045:Species Specificity; D013557:Switzerland