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Reasons for the decline of Acipenser sturio L., 1758 in central Europe, and attempts at its restoration

J. Gessner
2000
Boletín / Instituto Espanol de Oceanografía. - 16(2000)1-4, S. 117-126

Sturgeon spawning grounds in the Odra River tributaries

J. Gessner; R. Bartel
2000
Boletín / Instituto Espanol de Oceanografía. - 16(2000)1-4, S. 127-137

Effects and metabolism of the phenylurea herbicide isoproturon in the submerged macrophyte Ceratophyllum demersum L.

Constanze Pietsch; Eberhard Krause; B. Kent Burnison; Christian E. W. Steinberg; Stephan Pflugmacher
2006
Journal of applied botany and food quality. - 80(2006)1, S. 25-30

Concepts of scales, hierarchies and emergent properties in ecological models

Franz Hölker; Broder Breckling
2002
Theorie der Ökologie. - 6(2002), S. 7-27