Lasa un citu vertigo zivju populaciju ekspluatacijas regulesana, to maksligas ataudzesanas biologiskais pamatojums un efektivitates palielinasana

Available from Latvian Academic Library / LAL - Latvian Academic LibrarySIGLEMinistry of Agriculture of the Republic of Latvia, Riga (Latvia)LVLatvi

Celotajzivju resursu maksligas atrazosanas un dabisko populaciju saglabasanas zinatniskais pamatojums

Available from Latvian Academic Library / LAL - Latvian Academic LibrarySIGLEMinistry of Agriculture of the Republic of Latvia, Riga (Latvia)LVLatvi

Lasa un citu celotajzivju krajumu efektivas ataudzesanas un racionalas izmantosanas biologiskais pamatojums

Available from Latvian Academic Library / LAL - Latvian Academic LibrarySIGLEMinistry of Agriculture of the Republic of Latvia, Riga (Latvia)LVLatvi

Lasa un citu celotajzivju krajumu efektivas ataudzesanas un racionalas ekspluatacijas biologiskais pamatojums

Available from Latvian Academic Library / LAL - Latvian Academic LibrarySIGLEMinistry of Agriculture of the Republic of Latvia, Riga (Latvia)LVLatvi

Vertigo zivju krajumu efektivas ataudzesanas un celotajzivju dabisko populaciju saglabasanas un aizsardzibas zinatniskais pamatojums

Available from Latvian Academic Library / LAL - Latvian Academic LibrarySIGLEMinistry of Agriculture of the Republic of Latvia, Riga (Latvia)LVLatvi