生态学杂志2018，Vol.37Issue(1)：43-49,7.DOI:10.13292/j.1000-4890.201801.027
干湿交替对臌囊苔草草丘生理生态的影响
Effect of alternative dry-wet shifting on eco-physiological characteristics of Carex schmidtii tussocks
摘要
Abstract
Carex schmidtii tussocks,as a unique landscape in the Momoge National Nature Reserve,are governed by hydrological variations.In the present work,effects of alternative dry-wet shifting on height,biomass and chlorophyll content of C.schmidtii were investigated based on laboratory simulation experiments so as to provide techniques and strategies for wetland restoration of C.schmidtii tussocks.Results showed that plant height,stem diameter and leaf width of C.schmidtii under 30-day alternative dry-wet shifting had higher values than under other experimental scenarios in early growth period.At late growth stage,the growth of C.schmidtii was affected by the treatments implemented in different seasons.The early group (group A,treated in May)had higher stem diameter and leaf width than the late group (group B,treated in June).Chlorophyll content of C.schmidtii from the group A was higher than that from the group B,but the chlorophyll a/b had an opposite trend.Overall,dry-wet alternation is conducive to improving morphology and chlorophyll content of C.schmidtii in early growth period.At late growth stage,rational irrigation and shortened dry-wet alternation are expected to increase biomass.Our results provide a scientific basis for wetland restoration and protection of C.schmidtii tussocks.关键词
臌囊苔草/干湿交替/生理生态/湿地恢复/莫莫格湿地Key words
Carex schmidtii/alternative dry-wet shifting/eco-physiological characteristics/wetland restoration/Momoge wetland引用本文复制引用
张冬杰,齐清,佟守正,张仲胜,王雪宏,安雨,潘艳文..干湿交替对臌囊苔草草丘生理生态的影响[J].生态学杂志,2018,37(1):43-49,7.基金项目
国家重点研发计划重点专项(2016YFC0500403)、吉林省自然科学基金项目(20150101081JC)和中国科学院重点部署项目(KFZD-SW-305-003)资助. （2016YFC0500403）
