Population of bulls in the world is decreasing to 80%. on Java and Bali, the habitat of the species has declined by about 20% and 30% respectively (IUCN 2003). In Java, especially in Alas Purwo national park, the decreasing population of bulls is caused by hunting and degradation of habitat. the estimation of growth bulls population in APNP is increase. The size of population in the beginning is 588 individuals the rate of growth is 0.093 and caryying capacity of habitat is 4772 individuals.
Copyrights © 2009