Table 1. Description of the sampling sites of alpine grasslands in Tibet.

Location	Longitude (E)	Latitude (N)	Altitude (m)	Grassland type	Dominant species
Damxung	91°14′56″	30°36′08″	4,407	Alpine meadow	Kobresia pygmaea C. B. Clarke
Nagqu	92°09′11″	31°16′30″	4,458	Alpine meadow	Kobresia humilis
Nierong	92°16′49″	32°07′48″	4,614	Alpine meadow	Kobresia littledalei C. B. Clarke
Ando	91°38′28″	32°15′37″	4,696	Alpine meadow	Kobresia pygmaea C. B. Clarke
Baingoin	92°09′11″	31°16′30″	4,632	Alpine steppe	Carex moorcroftii Falc. Ex Boott
Nima	87°24′57″	31°48′27″	4,550	Alpine steppe	Stipa purpurea
Coqen	85°09′09″	31°01′58″	4,687	Alpine steppe	Stipa purpurea
Ngamring	86°37′52″	29°38′38″	4,583	Alpine steppe	Carex moorcroftii Falc. Ex Boott
Gêrzê	84°49′34″	31°59′25″	4,591	Alpine desert steppe	Stipa purpurea