A manual on methods for the assessment of secondary productivity in fresh waters.

• Other Authors: Downing, John A., Rigler, Frank H.
• Format: Book
• Language: Greek
• Published: Oxford : Blackwell, 1984
• Edition: 2η
• Subjects: ΓΛΥΚΟ ΝΕΡΟ; ΖΩΟΠΛΑΓΚΤΟΝ; ΠΑΡΑΓΩΓΙΚΟΤΗΤΑ