天祝地区火烧迹地乔灌草自然修复能力调查和潜力评价  

Investigation and Potential Evaluation of the Natural Restoration Ability of Trees,Shrubs,and Herbs in the Burned Areas of Tianzhu Area

作　　者：王桂花 WANG Guihua(Gansu Qilian Mountain National Nature Reserve Management Center Ancient City Nature Reserve Station,Tianzhu 733211)

机构地区：[1]甘肃祁连山国家级自然保护区管护中心古城自然保护站,甘肃天祝733211

出　　处：《林业勘查设计》2024年第3期14-18,共5页Forest Investigation Design

摘　　要：调查火烧迹地不同乔木、灌木和多年生草本植物的发芽率和发芽指数,结果表明,乔木整体灾后更新潜力最低,发芽率0~28.36%,发芽指数0~0.28,乔木中青杨的发芽率和发芽指数均最高,为28.36%和0.28;灌木整体灾后更新潜力居中,发芽率36.21%~60.18%,发芽指数0.48~0.64,灌木中青海杜鹃的发芽率和发芽指数均最高,为60.18%和0.64;多年生草本整体灾后更新潜力最高,发芽率96.02%~100%,发芽指数0.84~0.98,多年生草本中甘肃鸢尾的发芽率和发芽指数均最高,为100%和0.98。The germination rate and germination index of different trees,shrubs,and perennial herbaceous plants in burned areas were investigated.The results showed that the overall post disaster regeneration potential of the trees was the lowest,with germination rates ranging from 0 to 28.36% and germination indices ranging from 0 to 0.28.Among the trees,poplar had the highest germination rates and germination indices,at 28.36% and 0.28 respectively.The overall post disaster regeneration potential of shrubs is moderate,with a germination rate of 36.21~60.18% and a germination index of 0.48~0.64.Among the shrubs,Qinghai Rhododendron has the highest germination rate and germination index,with 60.18% and 0.64 respectively.The overall post disaster regeneration potential of perennial herbs is the highest,with a germination rate of 96.02~100% and a germination index of 0.84~0.98.Among perennial herbs,Gansu Iris has the highest germination rate and germination index,with 100% and 0.98,respectively.

关 键 词：火烧迹地 自然修复 更新潜力 天祝地区 

分 类 号：S757.2[农业科学—森林经理学] S762.1[农业科学—林学]