摘要
对武威地区天然草地有毒植物的种类、分布及其对草地的危害情况进行了调查研究，结果表明，全区天然草地共有有毒植物１７２种，分属３１科８４属。平均２．１５种／ｍ２，盖度达４．４１％，地上部分生物量１１．２８ｇ／ｍ２。对草地危害的主要是黄花棘豆、甘肃棘豆、小花棘豆、狼毒和醉马草，受侵害的草地主要是山地草甸和山地草原。通过分析，提出了有毒植物防除和利用的建议。
The species,the distribution of the poisonous plants in the natural grassland,and their harm to the grassland were investigated in Wuwei Region.The result showed that there are 172 species of the poisonous plants,which belong to 84 genera,31 families.There are 2.15 species per square meter,the coverage was 4.41%and aboveground biomass was 11.28g/m2.The mainly harmful species to the grassland were Oxytropis ochrocephala,O.kansuensis,O.glabra,Stellera chamaejasme and Achnatherum inebricum.The grasslands invaded are mountain meadow and mountain steppe.Some suggestions about poisonous plants control and elimination and utilization were given.
出处
《草业科学》
CAS
CSCD
北大核心
1996年第1期4-7,共4页
Pratacultural Science
关键词
有毒植物
防除
天然草地
山地草原
Poisonous plants
control and elimination
natural grassland
mountain meadow
mountain steppe
