黄羊滩人工固沙林生物学稳定性评价  

Biological stability of sand-fixation plantation in Huagnyangtan

作　　者：高起 邢存旺 马增旺 赵广智 高云昌 GAO Qi;XING Cun-wang;MA Zeng-wang;ZHAO Guang-zhi;GAO Yun-chang(People'Government of Chulangtou Town,Chifeng,Inner Mongolia 024039,China;Hebei Academy of Forestry and Grassland Science,Shijiazhuang,Hebei 050061,China;Hebei Fengning Desert Ecosystem Research Station,Fengning,Hebei 068357,China)

机构地区：[1]赤峰市松山区初头朗镇人民政府,内蒙古赤峰024039 [2]河北省林业和草原科学研究院,河北石家庄050061 [3]河北丰宁沙地生态系统国家定位观测研究站,河北丰宁068357

出　　处：《河北林业科技》2020年第4期1-6,共6页Journal of Hebei Forestry Science and Technology

基　　金：河北省重点研发计划项目“坝上草原生态系统退化成因与植被修复关键技术研究”(19226814D);河北丰宁沙地生态系统国家定位观测研究站运行补助(2020132020)。

摘　　要：生物学稳定性是人工固沙林的生物学基础。该文以河北省黄羊滩林场10种不同类型的人工固沙林为研究对象,应用模糊数学中隶属函数方法,以林木保存率、生物量、自然更新能力以及防护期时间为评价指标,对不同类型人工固沙林的生物学稳定性进行了评价。结果表明:处于高度生物学稳定性的林分为柠条林,该类林分对沙地造林环境具有较强的适应性;中度生物学稳定性的林分为白榆林、黄柳林、沙枣林、侧柏林、新疆杨林和沙地柏林,此类林分有较高的现实保存率,生长量和防护期有1个指标很高或者2个指标都相对较高;低度生物学稳定性的林分为刺槐林、小叶杨林和小美旱杨林。针对不同稳定状态的林分分别提出了经营对策。The biological stability is the biological basis of sand-fixation plantations.This study was conducted in sand-fixation plantations in Huangyangtan sandy land,and 10 representational forest stands were selected and investigated.The biological stability of different sand-fixation plantations was evaluated by using subordinate function of fuzzy mathematics based on preserving rate,biomass,natural regeneration and protection period.The results showed that CaraganaKorshinskiiplantation had high level of biological stability,which suggested this type of plantation wassuitable to local sandy afforestation environment.Some plantations,including Ulmus pumila L.,Salix gordejevii,Elaeagnu sangustifolia,Platycladus orientalis,Populus bolleana and Sabina vulgaris,had the middle level of biological stability.This type of plantations had higher preserving rate,and as for biomass and protection period,either of them was very high,or both of them were relatively higher.While plantations including Robinia pseudoacacia,Populus simonii and Populous simonii×(Populus pyramidalis+Ssalixmatsudana)cv.Poplaris,had the lower level of biological stability.The management strategies for plantations with different stability types were proposed based on the evaluation results.

关 键 词：人工固沙林 生物学稳定性 保存率 生物量 自然更新 防护期 

分 类 号：S727.23[农业科学—林木遗传育种]