Sentence examples for hatchery operation from inspiring English sources

Bacillariophyceae often represents the main food source in marine ecosystems (Zhukova and Aizdaicher 1995) and many species have been used as food in oyster hatchery operation as summarized by Brown et al. (1989).

Costs of hatchery operation are reported by DoF to be quite high, due to high cost of inputs (e.g. Artemia).

On the basis of the small number of returning adult hatchery fish relative to the general population, the hatchery operation likely had a negligible impact on the genetic integrity of the Owenmore population.

Now, however, Chesapeake Bay oysters are undergoing a remarkable recovery thanks to a brilliant oyster geneticist, improved state and federal management, the expansion of private hatchery operations, the cleanup of the bay, and some help in the form of average rain years and excellent reproductive oyster classes.

The duration of 2 min is most likely the time that the eggs are exposed to air during normal hatchery operations when they are transferred from one tank to the other.

By 1893, fish populations within the streams of West Virginia became self-sustaining and the hatchery operations at Maguire Springs were discontinued.

Managers implemented catch and release, which required anglers to return their catches to the lake, and they terminated hatchery operations in the park which allowed the cutthroat trout to recover.

The steelhead program has remained fairly constant since the inception of hatchery operations with a total of approximately 20,000 smolts being reared in each brood cycle, with the majority being summer run fish.

Elofson says the tribe is also still negotiating with the NPS on money for hatchery operations and maintenance.

This would likely take considerable knowledge of natural salmon systems, and a major revision of normal hatchery operations.

We examined potential changes in the size of the breeding population associated with hatchery operations in each of our samples.