由于冬春两季气温的上升加剧了这样的循环,因此,苔原可能正在向灌木林地转变。
Because of this loop, which is promoted by warmer temperatures in winter and spring, well, it looks like the tundra may be turning into shrub land.
一旦扎根土壤,灌木林地就会生长茂盛,特别是在北极地区,因为北极地区的灌木丛比其他植物更善于利用土壤中的营养成分。
Once is established, shrubland thrives, particularly in the Arctic, because Arctic shrubs are good at taking advantage of increased nutrients in the soil, better than other Arctic plants.
结果表明:灌木林地是干旱河谷的景观基质;
The results showed that shrub land was the landscape radix of the dry valley.
四种灌木林地土壤的物理性状明显优于荒坡地。
The soil physical properties of the bush forestlands are better than barren slope obviously.
其中主要研究对象荒漠灌木林地的分类精度为88。
The classification accuracy of the desert shrubbery land as the major study object reached 88.
各灌木林地不同土壤层内根系的生物量也存在一定的差异。
The root biomass in different soil layers also had certain discrepancy even in each bush forestland.
有林地、疏林地和灌木林地中防护林与经济林的面积比例约为34:1。
The area ratio of protection forest and economic forest in forest land, thin stocked land and shrubbery land is about 34:1.
荒草地、裸土、灌木林地、有林地、沙地面积减少,荒草地和裸土地大幅度减少。
The area of grassland, waste land, bush forest land, forest land and sand land reduced, grassland and waste land reduced drastically.
因此,从耕地利用土地转换为灌木林地或草地也许,有助于改善土壤有机碳养分吸收和稳定。
Therefore, land use conversion from cropland to shrub land or maybe grassland, contributed to SOC sequestration and improved soil nutrients stabilization.
不同的改造模式林分天然更新特征研究,对小陇山林区今后灌木林地改造具有一定借鉴意义。
The study of natural regeneration of shrub transformation model has significant to forest management of Xiaolongshan in the future.
国家森林局的相关人员说这场大火燃烧的主要是草地和灌木林地,生态系统并不会因为这种大火而受影响。
The fires are burning mostly grass and shrub land, ecosystems that are adapted to fire, says the Comisión Nacional Forestal (CONAFOR, Mexico’s National Forest Service).
系列旋转型割草机主要适用于草场、灌木林地的割草、清理以及地表不平整牧场的更新、改造等作业。
The Model 9G machine is mainly used for cutting and cleaning the grasses on in on the shrubby and grass land, renovating or reforming the ranch.
长城周围的土地利用类型主要有有林地,灌木林,疏林地,耕地,荒草地和裸岩。
There are forest, spinney , open woodland, plough field, grass and rock around the Great Wall.
长城周围的土地利用类型主要有有林地,灌木林,疏林地,耕地,荒草地和裸岩。
There are forest, spinney , open woodland, plough field, grass and rock around the Great Wall.
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