Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
Genus Coregonus L. discussed in connection with a new systematic feature that of shape and proportion of os maxillare and os supramaxillare= Rodaj Coregonus L. w świetle nowej cechy systematycznej-kształtu i proporcji os maxillare i os supramaxillare
A short‐term study of the effects of a habitat improvement programme on the distribution and abundance of fish stocks in a small lowland river in Shropshire