[Retracted] Variations in Stable Carbon Isotope Composition and Leaf Traits of Picea schrenkiana var. tianschanica along an Altitude Gradient in Tianshan Mountains, Northwest China

Table 1

Meteorological data of located stations within the research area.

Station	Latitude	Longitude	Time (yr.)	Altitude (m)	Mean annual temperature (°C)	Mean annual precipitation (mm)
Urumchi	43°78′	87°65′	1961–2000	935	6.8	265
Xiaoqüzi	43°29′	87°06′	1971–2000	1872	2.3	542
Tianshan forest ecosystem research station	43°26′	87°28′	2005-2006	1905	2.0	573
Houxia	43°29′	87°07′	1978–2002	2350	1.5	445