尽管如此，部分积极的发展趋势表现为林地和灌木丛对牧场和农田的侵占，这通常不被认为是土地改善。
However, some of the positive trends represent woodland and bush encroachment into rangeland and farmland - which is not generally regarded as land improvement.
伐木工人们对森林的伤害往往不是由于他们砍伐了森林，而是由于他们修建了道路使一些侵占土地者长驱直入。
Loggers do most harm to forests not by removing trees but by building roads that give land-grabbers access to them.
煤矸石山易自燃，对大气污染严重，破坏周边生态环境，而且侵占大量的土地。
Vegetation restoration is one of available approach for coal gangue pile fathering, the special soil condition of coal gangue pile such as high temperature, acidification, salinity etc.
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