These sites are well used by local people, the woodlands are sympathetically managed for wildlife and conservation of key species which includes co-ordinated management and felling.

BBC: Survey finds opposition to privatisation of forests

The objectives are to quantify the ocean soundscape on global scales, determine behavioral change thresholds of various species, and examine the functional relationship between sound and the viability of key marine organisms, at an individual scale, a species scale and the ecosystem level.

UNESCO: MEDIA SERVICES

The site is critical for the survival of several species of endangered waterbirds, to which the key threat is large-scale egg and chick collection by villagers.

UNESCO: OFFICE IN PHNOM PENH

Ms. JILL KEY (Scientist): We have a lot of species here that you won't find anywhere else.

NPR: Common Intruders Threaten Galapagos Species

By analysing where these differences occur in the animals' genomes, it is possible to get an insight into the two species' histories - the timing of key events in their evolution.

BBC: NEWS | Science/Nature | Evolution's human and chimp twist

"A key finding of our analysis was that the most highly threatened species tend to relatively cheap to save on account of their small range sizes, such as the Razo lark, which lives on the island of Razo in the Cape Verde islands, " said Mr McCarthy.

BBC: Science & Environment