Ou Reang Ov District part of Kampong Cham. The Ou Reang Ov district governor reports to His Excellency, the Governor of Tboung Khmum. The following table shows the villages of Ou Reang Ov district by commune. The district is subdivided into 7 communes ("khum") and 141 villages ("phum"). According to the 1998 Census, the population of the district was 82,806 persons in 16,940 households in 1998. With a population of over 80,000 people, Ou Reang Ou district has one of the smaller district populations in Tboung Khmum province. The average household size in Ou Reang Ou is 4.9 persons per household, which is slightly
Time-Place learning rhythms. Inangas could be taught to seek food in one half of their aquarium in the morning and in the other half in the afternoon, even on test days when food was withheld. However, they could not be taught to avoid one half in the morning and the other half in the afternoon in response to simulated attacks by a heron. A test of time-place learning with young convict cichlids yielded negative results, for two as well as four time-place associations per day. This was attributed to a low cost of travel between the aquarium corners in which the food