-
Article
Vegetation landscape structure and dynamics in sandy forest-steppe ecotone
Sandy forest-steppe ecotone in Baiyinaobao Natural Reserve of Inner Mongolia Autonomous Region of China is one of the special landscape types in forest-steppe vegetation zone in China. Vegetation landscape typ...
-
Article
Turbulence regime near the forest floor of a mixed broad leaved/Korean pine forest in Changbai Mountains
The measurement and observation for this study were carried out by using a three-dimensional (u, v, w) Sonic anemometer (IAP-SA 485), at Forest Ecosystem Opened Research Station of Changbai Mountains (128°28’E an...
-
Article
Effect of root derived organic acids on the activation of nutrients in the rhizosphere soil
Four types of soils, including brown coniferous forest soil, dark brown soil, black soil, and black calic soil, sampled from three different places in northeast China were used in this test. The functions of t...
-
Article
The pH change in rhizosphere ofPinus koraiensis seedlings as affected by different nitrogen sources and its effect on phosphorus availability
Root mat method described by Kuchenbuch and Jungk was used to study the rhizosphere processes. The experiment was carried out on two years oldPinus koraiensis seedlings. Soil samples collected from the upper 20-c...
-
Article
Effects of elevated CO2 concentrations on photosynthesis, dark respiration and RuBPcase activity of three species seedlings in Changbai Mountain
Two-year-old seedlings ofPinus koraiensis, Pinus sylvestriformis andFraxinus mandshurica were treated in open-top chambers with elevated CO2 concentrations (700 μL·L−1, 500 μL·L−1) and ambient CO2 concentrations ...
-
Article
Formation, distribution, and nature ofPicea mongolica in China
Picea mongolica is an endemic and endangered species in China. Ecosystem made ofPicea mongolica is a special sandy forest ecosystem in China. It is found at ecotone between forest and ste...
-
Article
Effect of elevated CO2 concentration on growth course of tree seedlings in Changbai Mountain
One-year-old seedlings ofPinus koraiensis, Pinus sylvestriformis, Phellodendron amurense were grown in open-top chambers (OTCs) with 700 and 500 ώmol/mol CO2 concentrations, control chamber and on open site (ambi...
-
Article
Characteristics and dynamics of sandy natural forests in sandy forest-steppe ecotone in the northern area of China
The research was carried out on sandy natural forest ecosystems in sandy forest-steppe ecotone in the northern area of China from 1980's. In this paper, we introduced the concept and origin, distribution and a...
-
Article
Dynamics of the vegetation eco-boundary under climate warming in Northeast China
Based on data from 210 meteorological stations in Northeast China and survey on zonal climax vegetation, the Kira's warmth index (W l), coldness index (C l), and Xu...
-
Article
Ecophysiological responses and carbon distribution ofPinus koraiensis seedlings to elevated carbon dioxide
The net CO2 assimilation rate, stomatal conductance, RuBPcase (ribulose 1,5-biphosphate carboxylose) activity, dry weight of aboveground and belowgroud part, plant height, the length and diameter of taproot ofPin...
