Xilingol Temperate Grassland
Ecosystem Research Station (Inner Mongolia)
GEOGRAPHY AND PHYSIOGNOMY
Xilingol Temperate
Grassland Ecosystem Research Station (Inner Mongolia)
was founded in June, 2001. The station has two
observation plots, i.e., typical steppe (Stipa krylovii)
plot and desert steppe (Stipa gobica) plot. The typical
steppe plot is approximately 24 km northeast of Xilinhot
city (44°08′03″N, 116°19′43″E, 1030 m), and the desert
steppe plot is located at the left Sunite Banner
(44°05′20″, E 113°34′27″, 970 m), Inner Mongolia
Autonomous Region, P. R. China.
CLIMATE
It is under a temperate
arid and semi-arid continental climate with cold and
drought winter and warm and moisture summer. For the
typical steppe plot, mean annual temperature is about
2.0℃, with a mean minimum of -22.3℃ and a mean maximum
of 18.8℃. Mean annual precipitation is around 350mm with
80% from June to September. For the desert steppe plot,
mean annual temperature is about 3.1℃, with a mean
minimum of -22.0℃ and a mean maximum of 20.4℃. Mean
annual precipitation is around 185mm with 70% from July
to September.
VEGETATION
Grassland is the primary
vegetation type in this region. It consists mainly of
typical steppe and desert steppe. The typical steppe
plot is dominated by zonal vegetation, such as S. krylovii
and Leymus chinense, and the desert steppe plot
also by zonal vegetation, such as Stipa gobica and
Allium polyrrhizum.
OBSERVATION SYSTEM
(ppt)
Microclimate gradient
system (2m, 4m), open eddy covariance system (2m) and
LI-8100 automated soil CO2 flux system are installed in
the typical steppe plot and the desert steppe plot.
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Open eddy
covariance system (2m)
in the
typical steppe plot |
Microclimate gradient system (2m, 4m)
in the
desert steppe plot |
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