Unbiased article which says in part:

"He says that is thanks in part to Namibia's system of conservancies that are managed by local communities. When people derive jobs and income from wildlife tourism and trophy hunting, he argues, they are more likely to keep poachers off their land."

Here's the link:

http://www.newscientist.com/ar...ts.html#.VXLMuoH3aK0