Sentence examples for timing of fish from inspiring English sources

Pollution doubtless put pressure on species inhabiting the area, but the timing of fish population declines in relation to developments in the fishery make it clear that it was fishing, not other human impacts, that has primary responsibility for the downfall of Clyde fish populations.

Knowledge on fish optimal swimming speed, as provided here, is important for prediction and understanding of routes and timing of fish migration in e.g. anadromous salmon migrations [22], [39], [40], but also in order to understand the general ecology of migrating animals.

A more advanced version of our analyses would also incorporate other commercial fisheries, recreational fisheries, timing of fishing effort, and more detail on ecologically important areas.

A mesh size regulation implemented in a real fishery would probably catch a wider size-range of fish than what was obtained in one scientific study (Huse et al. 2000), because of differences between boats, variable fishing practices, and variation in location and timing of fishing.

The early migration and spawn timing of hatchery fish were believed to effectively prevent them from interbreeding with wild fish.

The initial fat store of males appeared to be the most influential factor on the quality of sperm, in terms of the concentration of spermatozoa and motility at 15 s, and also on the timing of spermiation: fish with high initial fat store were spermiating earlier during the spawning season.

Moreover, it is still unclear how the timing of larval fish hatching will be affected [65], [66], [67].

The match-mismatch hypothesis is usually associated with the importance of the timing of larval fish hatching and peak prey abundance [1], [4].

The later arrival timing of hatchery fish in both sexes was surprising given that salmon hatcheries, including the two in the Lake Washington basin, often select for earlier spawning dates over time (Quinn et al. 2002).

For decades there has been a strong emphasis on how year-class strength is related to the match-mismatch between predator and prey, or the timing of peak larval fish and prey abundance [4].

"Then the options are to restrict location or timing or method of fishing, or some combination of all three," Dr. Croxall said.