Their effects, however, are limited by the low population density.
The low population density in rural Kenya means that residents are often spread out.
The low population density keeps down the level of nighttime light, which is good for the sea turtles.
"No way we can do an e-commerce site here," he said, citing the lack of infrastructure in Yunnan, the difficulty of transportation and the low population density.
"Due to the low population levels observed in certain sectors, improving the habitat will not be enough to reverse the downward trend," says an official with the wildlife and hunting agency.
Many pupils would have arrived shortly before the quake happened, but it is hoped casualties might be fewer than in Sichuan because of the low population density and the lighter building materials.
On Friday, Ms. Palin said the state had had "serious concerns about the low population of belugas in Cook Inlet for many years," but she called the listing "premature".
"We still do not have an accurate number of casualties but due to the low population density, we foresee the number of casualties is not high," he was quoted as telling Fars, adding that officials in Saravan were not reporting any casualties.
This regular movement and the low population density also reduce risks of epidemic outbreaks.
For many years the human impact on the region was negligible, due to the low population density.
Current data (from 2007) on Kel Tadrart population structure and density really emphasise the low population density of the Acacus (about ~0.008 persons per km2).
