Sentences with phrase «gravel bed under»

As a female salmon digs redds, the nests where she will lay her eggs, she helps create the conditions in which her eggs will thrive — a clean gravel bed under moving water.

Not exact matches

The gravel beds that the salmon need to lay eggs have disappeared under a thick layer of sand and silt.»

So rather than use the more time - intensive compacted gravel bed strategy under the EPS geofoam, the Pumpkin Ridge team opted for a bed of «flowable fill» (aka «controlled - density fill» or «liquid soil».)