Lagoons

... case if you want to study that you need to decide what kind of treatment you want to do (chemical/biological), what kind of equipment you can use (lagoons, fermenters,...) and what speed you can afford to treat your effluents. It is as much engineering than biology.

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... pair, is sufficient at once to distinguish them from any of the Astacidæ. Species of these large-clawed prawns live in the brackish water lagoons of the Gulf of Mexico, but I am not aware that any of them have yet been met with in the sea itself. The Palæmon lacustris ( Anchistia migratoria ...

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