A tough competitor, bracken reduces the value of grazingland by crowding out other vegetation.
作为一个强有力的竞争者，蕨类植物排挤了其他植被，从而降低了放牧地的价值。
2
Disease outbreaks, other disasters and emergencies (armed conflicts, droughts, etc) and the degradation of grazingland are also threats.
疫病的爆发、其他灾害和紧急情况(武装冲突、旱灾等)和牧场退化也造成威胁。
3
In the Kutch region ofGujarat, construction of a coal-fired power plant forces Sangbhai andhis buffalo to detour down paved roads and past boundary walls to findwhat grazingland remains.