The percentages of shrubs pollen of farmlands are lower than that of wildlands, and weed pollens are more abundant.
农田中灌木花粉含量低于荒地，杂草花粉类型比荒地丰富；
Homes increasingly being built near wildlands are so threatened by fire that 'prescribed burns' are sometimes used as prevention.
在荒地附近逐渐增建的动植物栖息地会受到火灾的威胁，所以计划火烧有时候被用来预防森林火灾。
I am now in my 50s. I still travel a lot and I've seen yet more of the world's mounting population and some of its remaining wildlands.
我现在50多岁了，仍旧经常旅行，我已经见过这个人口不断增长的世界中的许多人和世界上一些仍未开发的荒野之地。
If the farmlands and wildlands are close and the percentages of agricultural pollen of farmlands are low, pollen assemblages of the two land types are similar.
如果农田和荒地比较接近，农田农作物花粉含量又比较低，则两种植被类型花粉组合特征就较为相似。
If the farmlands and wildlands are close and the percentages of agricultural pollen of farmlands are low, pollen assemblages of the two land types are similar.
如果农田和荒地比较接近，农田农作物花粉含量又比较低，则两种植被类型花粉组合特征就较为相似。
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