搜索结果: 1-5 共查到“草原学 Semi-arid”相关记录5条 . 查询时间(0.069 秒)
Evidence that acidifi cation-induced declines in plant diversity and productivity are mediated by changes in below-ground communities and soil properties in a semi-arid steppe
base mineral cations nitrogen cycling plant species richness plant–soil (belowground) interactions productivity semi-arid steppe soil aluminium ions soil microbial organisms soil nematodes structural equation modelling
2015/2/4
Anthropogenic acid deposition–induced soil acidification is one of the major threats to biodiversity, ecosystem functioning and services. Few studies, however, have explored in detail how above-ground...
Short-t erm responses of a Stipa grandis/Leymus chinensis community to frequent defoliation in the semi-arid grasslands of Inner Mongolia, China
Grassland degradation Semi-arid Inner Mongolia Defoliation Productivity
2015/2/4
Grassland degradation due to over-grazing causes severe ecological and economical problems in the semi-arid grasslands of Inner Mongolia, PR China. The development of sustainable management systems is...
Changes in carbon and nitrogen of Chernozem soil along a cultivation chronosequence in a semi-arid grassland
Changes in carbon nitrogen of Chernozem soil cultivation chronosequence semi-arid grassland
2015/2/4
Changes in the carbon (C) stock of grassland soil in response to land use change will increase atmospheric CO2, and consequently affect the climate. In this study we investigated the effects of land u...
Nutritive Value of Grasses in Semi-arid Rangelands of Ethiopia: Local Experience Based Herbage Preference Evaluation versus Laboratory Analysis
Semi-arid Rangelands Spatial Variation in Feed Quality
2016/5/11
We examined the nutritive value of common grass species in the semi-arid rangelands of Borana in southern Ethiopia using local experience based herbage preference (LEBHP) perception and laboratory tec...
Influence of stocking rate on herbage production, steers livemass gain and carcass price on semi-arid sweet bushveld in Southern Botswana
Semi-arid sweet bushveld grazing herbage yield hectares per livestock stocking rate
2009/3/4
The influence of stocking rate on vegetation and animal performance was investigated over a period of 15 years in the Semi-arid Sweet Bushveld of Southern Botswana. The objective of the study was to...