共 47 条
[2]
ALFARO R, 1994, FUTURE LAND MOBILISI, P184
[3]
ANDERSON RL, 1982, AGR HDB USDA, V597
[4]
[Anonymous], INT SOCIAL SCI J
[5]
[Anonymous], 1967, LIFE ZONE EC LIFE ZO
[6]
[Anonymous], FAO SOILS B
[7]
[Anonymous], SCALES GLOBAL CHANGE
[8]
[Anonymous], ECOLOGICAL STUDIES
[9]
BILSBORROW RE, 1992, AMBIO, V21, P37
[10]
BRENES A, 1994, AMBIO, V23, P87