Tree mortality and regeneration of Euphrates poplar riparian forests along the Tarim River, Northwest China

Forest Ecosystems

Table 1 Characteristics of six natural stands sampled for analysis of tree mortality

Plots	Area (m²)	DRB (m)	GWL (m)	Lat. (N) (°)	Long. (E) (°)	Altitude (m)	P. euphratica		T. ramosissima		Gap openness (%)
Plots	Area (m²)	DRB (m)	GWL (m)	Lat. (N) (°)	Long. (E) (°)	Altitude (m)	Ave. DBH (cm)	Ave. TH (m)	Ave. DBH (cm)	Ave. TH (m)	Gap openness (%)
1	50 × 50	100	2.00	41.175	84.240	929	35.4	9.8	1.6	3.2	43.10
2	50 × 50	150	2.68	41.229	84.333	920	21.6	12.1	4.2	2.6	66.16
3	50 × 50	300	3.41	41.176	84.241	920	15.5	9.1	2.3	1.6	50.54
4	50 × 50	600	4.55	41.174	84.237	916	23.5	11.0	3.2	2.4	41.38
5	50 × 50	1200	5.45	41.252	84.340	915	28.4	10.5	5.4	2.2	52.41
6	50 × 50	2400	7.50	41.228	84.334	916	21.1	12.1	2.6	1.7	52.12

DRB Distance from river bank, GWL Groundwater level, DBH Diameter at the breast height, TH Tree height