The aim is to ensure that the greatest number of species is protected (May, 1988, Howard et al., 2000) and that individual abundance is relatively even across all species rather than dominated by a few species (Gaston and Williams, 1993). The objective of rarity aims to ensure that the ...
Extensive loess hilly areas are located in the east region. The loess ridge dominates the central area, while the south area is occupied by earth–rock hilly and loess tableland areas. The regional climate is in the interzone between the continental monsoon semi-humid climate in the warm humid...