Minimal Soil Impacts of Caesalpinia decapetala Invasion in South Africa's Vhembe Biosphere Reserve

被引：0
|
作者：
Ramarumo, Luambo Jeffrey [1 ]
Thondhlana, Gladman [1 ]
Ruwanza, Sheunesu [1 ]
机构：
[1] Rhodes Univ, Dept Environm Sci, Makhanda, South Africa
来源：
AFRICAN JOURNAL OF ECOLOGY | 2025年 / 63卷 / 02期
基金：
新加坡国家研究基金会; 芬兰科学院;
关键词：
alien plants; biological invasions; plant litter; soil properties; soil recovery; EASTERN CAPE; RECOVERY;
D O I：
10.1111/aje.70036
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
We assessed the effects of Caesalpinia decapetala (Roth) Alston invasion on soil physical properties over 3 summer months in Vhembe Biosphere Reserve, South Africa. Topsoils were collected beneath replicated invaded and uninvaded conditions and assessed for soil moisture, water repellency, penetration resistance, infiltration and hydraulic conductivity. Results showed no significant (p > 0.05) differences between invasion conditions for soil penetration resistance levels and infiltration rates, but monthly variations were observed for soil moisture and hydraulic conductivity. It appears C. decapetala invasion affects some but not all soil physical properties; therefore, ecosystem recovery after C. decapetala removal can be spontaneous.
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页数：6
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