安西极旱荒漠自然保护区裸果木分布现状

Distribution Status of Gymnocarpos przewalskii in An'xi Extra-arid Desert Nature Reserve

[目的]调查安西极旱荒漠自然保护区裸果木分布和生境状况,了解种群数量动态及发展趋势。[方法]通过样地和样方调查对安西极旱荒漠自然保护区内唯一国家一级重点保护植物——裸果木的分布和生境状况进行调查。[结果]保护区裸果木的平均密度为0.038株/m^2,平均高度为0.41 m。[结论]该研究为裸果木种群濒危机制的探索、合理保护提出切实可行的保护对策,为今后保护区加强物种保护工作提供可靠翔实的依据。

[Objective]To investigate the existing distribution and habitat status of Gymnocarpos przewalskii in An’xi extra-arid desert nature re-serve,and to understand the population dynamics and development trend.[Method]Based on sample plot and quadrat investigation,the distributionand habitat status of G.przewalskii,which was the only state-level key protected plant in the An’xi extreme drought and desert nature reserve,wereinvestigated.[Result]The average density of G.przewalskii in the protected area was 0.038 plants / m2and the average height was 0.41 m.[Conclu-sion]The study provides feasible protection measures and suggestions for the exploration and reasonable protection of the endangered mechanismof G.przewalskii population,and provides a reliable and detailed basis for the protection work of the protected areas in the future.