The seasonal variation, diurnal variation and the main influence factors of emission fluxes of Greenhouse gases (CO_2, N_2O and CH_4) of three typical coniferous forest swamp (Larix gmelini Carex swamp, L.

Mastering law of seasonal variation and utilizing human resources scientifically;

Objective To analyze the seasonal law of the onset of cerebral hemorrhage(CH) in city proper of Qingdao.

Examining seasonal variations of Leymus chinensis photosynthetic rates in the Hulunbeier Grassland:a case study of a grassland meteorological experiment station in Ewenke;

It is found from the drifter data that the North Equatorial Current(NEC),Mindanao Current(MC),and North Equatorial Counter Current(NECC) have strong seasonal variations.

Comparative study on seasonal variations in rotifers of the waters with different trophic states in Lake Taihu;

Accumulation and seasonal variation of heavy metals in Phragmites australis and Scirpus mariqueter;

Concentration level and seasonal variation of organic carbon and elemental carbon in Beijing aerosols;

The factors regulating the seasonal variability of p(CO_2) in the two reservoirs have been analyzed.

Based on static chamber techniques, measurements of NOx emission from a wheat-rice rotation ecosystem in southeast China showed that NOx emission had an obvious seasonal variability.