Mass loss and element release of litter in the subalpine forest over one freeze-thaw season

To understand the effects of Fargesia nitida on forest cycle succession of subalpine forests in Wolong Nature Reserve, Sichuan Province, species diversity and tree regeneration with bamboo(B~+) and without bamboo(B~-) condition of three regeneration stages were investigated.

To understand the effects of seasonal freezing-thawing on the subalpine forest ecosystem processes,the microbial count and biomass in fir(Abies faxoniana) and birch(Betula platyphylla) litters under the condition of freezing-thawing were measured from October 2006 to April 2007 by litter bags method.

In this paper, in order to analyse the influences of forest management and topography factors on sub-alpine forest restoration in west Sichuan, Miyaluo was selected as a case study area.

Improving the method of plotless sampling for forest community;

A new approach to compute the tree layer coverage value of forest community;

Characteristics of soil water infiltration and water-holding under different forest community in Yimeng Mountainous forest area;

Complexity of forest communities: a case study of three different forest types in Heishiding Nature Reserve, Guangdong;

The size of survey area is very important to proper express the characteristics of the forest communities.

Studies on the species diversity in the montane forest communities along an altitudinal gradient is an indispensable means to reveal the patterns of vertical vegetation zonality.