1
Q
Assemblage
A
All the species in a defined area whether they interact or not
2
Q
Gradient
A
Number of meters of fall per kilometre
3
Q
Kype
A
A hooked jaw that male salmonids develop during the breeding season. Used in fighting
4
Q
Migration
A
The movement of fish between widely separated and well defined areas, usually as a population
5
Q
Anadromy
A
Migrating up rivers from the sea to spawn
Eg
Acipenser
6
Q
Catadromy
A
Migrating down rivers to the sea to spawn
Eg
Anguilidae
7
Q
Amphidromy
A
Regular migration between freshwater and the sea but not for breeding purposes
Eg
Galaxiids
8
Q
Obligate riparian
A
Rely fully on the river environment to survive
9
Q
Generalists
A
Utilise rivers for resources and refuge but aren’t entirely dependent on them
Freshwater Terms
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