Arid
DOI10.1016/S0254-6299(16)30775-X
RESPONSES OF KAROO PLANTS TO HAIL DAMAGE NEAR WILLISTON, CAPE PROVINCE
POWRIE, LW
通讯作者POWRIE, LW
来源期刊SOUTH AFRICAN JOURNAL OF BOTANY
ISSN0254-6299
出版年1993
卷号59期号:1页码:65-68
英文摘要

Although hail contributes occasionally to the water budget in the Karoo, it may also cause localized, extensive damage to plants. A comparison was made between damaged and undamaged vegetation to assess the recovery of species, growth forms and palatability classes following a hail event during autumn (April 1988) in natural veld on a farm near Williston, Cape Province. Grazing stock had been withdrawn for the fourteen months between the time of the damage and the study. There was no significant long-term reduction in species diversity, growth form richness, percentage plant cover and growth form richness in the hail-damaged vegetation. There was a significantly lower cover of palatable plants in the hail-damaged area. It is concluded that the supposed long-term effects of hail damage on vegetation composition may be seriously overstated and that alleviating grazing pressure during the year following hail damage may contribute greatly to successful recovery.


英文关键词ARID KAROO DEFOLIATION HAIL REGROWTH STRESS
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:A1993KU30100009
WOS类目Plant Sciences
WOS研究方向Plant Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/129442
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POWRIE, LW. RESPONSES OF KAROO PLANTS TO HAIL DAMAGE NEAR WILLISTON, CAPE PROVINCE[J],1993,59(1):65-68.
APA POWRIE, LW.(1993).RESPONSES OF KAROO PLANTS TO HAIL DAMAGE NEAR WILLISTON, CAPE PROVINCE.SOUTH AFRICAN JOURNAL OF BOTANY,59(1),65-68.
MLA POWRIE, LW."RESPONSES OF KAROO PLANTS TO HAIL DAMAGE NEAR WILLISTON, CAPE PROVINCE".SOUTH AFRICAN JOURNAL OF BOTANY 59.1(1993):65-68.
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