Unified Soil Classification System group symbol. For example, GW-GM corresponds to "well-graded gravel "with silt"." If the soil has more than 15% by weight retained on a #4 sieve (R > 15%), there is a significant amount of gravel, and the suffix "with gravel" may be added to the group name, but the group symbol does not change. For example, SP-SM could refer to "poorly graded SAND with silt" or "poorly graded SAND with silt and gravel." Unified Soil Classification System The Unified Soil Classification System (USCS) is a soil classification system used in engineering and geology to describe the texture and grain size
Granular pugolovka cycle is about a year, which is normally how long it takes for their spawning season to start after their birth. The granular pugolovka all die shortly after spawning with the females dying before the males due to the more costly act of laying eggs as opposed to the males role of releasing sperm. "Benthophilus granulosus" is a bottom dweller and has a fairly limited diet or zoobenthos. They eat mysids, amphipods, bivalves, insects, and other foods. Granular pugolovka The granular pugolovka ("Benthophilus granulosus") is a species of gobiid fish widespread in the Caspian Sea. It is a small fish,