For example, the Cape parrot is considered to be "a distinct conservation unit" (a species) by the International Ornithologists Unionn and by BirdLife South Africa and for this reason, it is listed for protection in South Africa.
Others have argued that vegetation types themselves should be a key conservation unit (Hortal and Lobo 2006; Keith 2009).
"Most of the attacks occur between 5 p.m. and 7 p.m. in thick undergrowth," says British conservationist Debbie Martyr, who leads a tiger conservation unit in Sumatra and investigates dozens of encounters between humans and big cats each year.
Altogether, NSH stands out as a separate conservation unit, although its distinctiveness varies considerably depending on the framework applied.
We selected two transitional systems with different degrees of human impact due to different land uses and different conservation systems: the Mamanguape estuary, which is in an environmental conservation unit for sustainable use, and the highly impacted, urban Paraíba do Norte estuary.
By defining populations according to ecological characteristics, the RMU approach implies the inherent importance of each RMU as an independent conservation unit, which species-focused conservation approaches might fail to recognize.
NSH has evolved recently and its species status may be questioned due to incomplete reproductive isolation from ELW, but it was shown to merit consideration as an independent conservation unit.
Composed of three islands (Cagarra, Palmas and Comprida) and four islets, the archipelago has recently been raised to a more restrictive category of conservation unit.
We deposited a voucher specimen collected in this conservation unit (22°49′38″S, 47°6′19″W) in the Herbarium of the Universidade Estadual de Campinas (voucher no. UEC-182,226).
Sonia Peixoto, a biologist who works for the town hall's conservation unit, said the decision to build had been taken without proper consultation.
