degradation factor

基本解释

At the same time, the environment degradation has been the restrict factor of economic development.
同時，環境退化已成爲經濟發展的制約因素。
The development of mineral resources reasened by environmental pollution and ecological damage has become an important factor in degradation of the ecosystem as a whole.
鑛産資源開發所造成的環境汙染與生態破壞已成爲整個生態系統退化的重要因素。
Increasing of villager's labor intensity (land productivity descent, labor time extension) caused by environment degradation is the important factor to cause the poverty;
因環境退化導致村民勞動強度增加（土地生産力下降，勞動時間延長）爲決定貧睏的重要因素；

But the report singles out food production as the other major factor driving environmental degradation.