Study on the Distribution Pattern Characteristics of Different
Stand Structures in Larix gmelinii Natural Forest

YU Bao; WU Ji-si-gu-leng; WANG Bai-tian; WANG Li-ming; DA Bu-xi-la-tu

The distribution pattern characteristics of different stand structures in herbage-Larix forest and Ledum-Larix forest were analyzed by sample plots surveying. The study indicated:(1)In the 36 - 65 years old herbage-Larix forest and 54 - 63 years old Ledum-Larix forest distribution pattern, the proportions of even distribution, random distribution and clustered distribution were 6.3%, 50% and 43.8%.(2)From a view of forest types, in herbage-Larix forest distribution pattern, both the clustered distribution and regular distribution were 11.1%, the random distribution was 77.8%, while Ledum-Larix forest distribution pattern was all followed regular distribution.(3)In herbage-Larix forest and Ledum-Larix forest with composition of 6 Larix and 4 broadleaf species to 10 Larix and no broadleaf species, the distribution pattern was mostly clustered distribution and random distribution. Cluster distribution was mainly concentrated in the composition of Larix(70%)and broadleaf species(30%)to Larix(90%)and broadleaf species(10%).

Study on the Distribution Pattern Characteristics of Different Stand Structures in Larix gmelinii Natural Forest

1. College of Soil and Water Conservation, Beijing Forestry University, Beijing 100083,China

2. State Academy of Forestry Administration,Beijing 102600, China

3. College of Forestry, Beijing Forestry University, Beijing 100083,China

4. Command College of Armed Police Forces Kinds of China, Beijing 102202,China

5. Inner Mongolia Alukeerqin Banner Forestry Bureau, Chifeng 025550, Inner Mongolia, China

Abstract: The distribution pattern characteristics of different stand structures in herbage-Larix forest and Ledum-Larix forest were analyzed by sample plots surveying. The study indicated:(1)In the 36 - 65 years old herbage-Larix forest and 54 - 63 years old Ledum-Larix forest distribution pattern, the proportions of even distribution, random distribution and clustered distribution were 6.3%, 50% and 43.8%.(2)From a view of forest types, in herbage-Larix forest distribution pattern, both the clustered distribution and regular distribution were 11.1%, the random distribution was 77.8%, while Ledum-Larix forest distribution pattern was all followed regular distribution.(3)In herbage-Larix forest and Ledum-Larix forest with composition of 6 Larix and 4 broadleaf species to 10 Larix and no broadleaf species, the distribution pattern was mostly clustered distribution and random distribution. Cluster distribution was mainly concentrated in the composition of Larix(70%)and broadleaf species(30%)to Larix(90%)and broadleaf species(10%).

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Reference (20)

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Study on the Distribution Pattern Characteristics of Different Stand Structures in Larix gmelinii Natural Forest

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