References in periodicals archive ?
The stands are thinned, burned and fenced, often using residual tree trunks as "posts." Results have been encouraging so far, but study continues.
Just how persistent predators are likely to be depends on how hard they have to compete for food and water outside the fenced area.
Dogs escape from fenced yards because they can, and often because they're left alone in them for long periods of time while owners are sleeping or away at work.