搜索结果: 1-3 共查到“地球科学总论 grass”相关记录3条 . 查询时间(0.046 秒)
Contribution of different grass species to plant-atmosphere ammonia exchange in intensively managed grassland
Contribution grass species plant-atmosphere ammonia exchange grassland
2010/1/19
Species diversity in grasslands usually declines with increasing input of nitrogen from fertilizers or atmospheric deposition. Conversely, species diversity may also impact the build-up of soil and pl...
Vertical structure and diurnal variability of ammonia exchange potential within an intensively managed grass canopy
Vertical structure diurnal variability ammonia exchange grass canopy
2010/1/19
Stomatal ammonia compensation points (χs) of grass species on a mixed fertilized grassland were determined by measurements of apoplastic [NH4+] and [H>+] in the field. Calculated χs values were compar...
The CO2 exchange of biological soil crusts in a semiarid grass-shrubland at the northern transition zone of the Negev desert,Israel
CO2 exchange biological soil crusts semiarid grass-shrubland transition zone
2010/1/18
Biological soil crusts (BSC) contribute significantly to the soil surface cover in many dryland ecosystems. A mixed type of BSC, which consists of cyanobacteria, mosses and cyanolichens, constitutes m...