Analysis of influencing factors of undergrowth biomass in Cunninghamia lanceolata plantations;

Nutrient Elements Biological Cycle of Undergrowth under Different Rotations of Continuously Planting Chinese Fir;

Species Diversity in Undergrowth of Artificial Forests on Lower Hilly Land;

Biomass distribution and its functioning of forest understory vegetation.;

Soil physical properties under effects of Eucalyptus understory vegetation and litter;

Nutrient Study of Understory Vegetation in the Thinned Chinese Fir Plantation─Ⅰ.Content and accumulation of nutrient elements in understory vegetation;

Selection of gaining quadrat for harvesting the undergrowth vegetation and its biomass estimation modeling in forest;

On the basis of researching on undergrowth vegetation of artificial forest in recent years,this paper summaries the functions of undergrowth vegetation such as site indication,soil fertility,soil and water conservation,nutrient cycling.

In this paper,survival tree characteristic,understory composition and soil physical a.

The main researchesinclude: the correlation between the stand factors and diversity of understory; comparison ofthe understory between the mixed stands of bamboo-broadleaved /bamboo-coniferous andmanaged pure stands of moso bamboo; the impacts of the different management practices onthe growth of the understory; the relationship between th.

) monodominant thickets in understory layers of tree regenerations during the reestablishment process of natural forests.

Study on the Relation between Undervegetation Biomass and Soil Bulk Density of Cunninghamia lanceolata Plantation;