Their population is spread over nine local communities in an arid landscape of red soil , spinifex grass , mulga shrubs and desert oaks .
在这片由红土、三齿稃、穆拉加灌木和沙漠橡树丛生的地区，恩冈雅特加拉族的人口分散于九个当地社区。
Cities of this kind are like hummocks of spinifex , or porcupine grass , whose centre eventually collapses , leaving live rings surrounding a dead middle .
