【摘要】 由于近几年的连续干旱,盐池县天然草场植被呈现一定的退化趋势。从防止草地退化沙化的目的出发,在野外调查的基础上,对天然草场的产草量和载畜量进行了测算,结果表明,盐池县天然草场的合理载畜量为40.85万标准羊单位,实际超载23.39万羊单位,超载率为57.25%。更多还原

【Abstract】 Because of continuous drought in the last few years,natural grassland vegetation in Yanchi County is inclined to degenerate.For preventing the degeneration of grassland and desertification combating,and based on investigation outdoors,the forage yield and reasonable livestock capacity of nature grassland in Yanchi County has been mensured.The results indicated that the reasonable livestock capacity is 408 500 sheep units,overgrazed 233 900 sheep units in fact,overgrazing rate was 57.25%.更多还原