THE EFFECTS OF HARVESTER ANT MESSOR-CAPENSIS NEST-MOUNDS ON THE PHYSICAL AND CHEMICAL-PROPERTIES OF SOILS IN THE SOUTHERN KAROO, SOUTH-AFRICA

被引:40
作者
DEAN, WRJ
YEATON, RI
机构
[1] UNIV NATAL, UN FRD RES UNIT PLANT GROWTH & DEV, PIETERMARITZBURG 3200, SOUTH AFRICA
[2] UNIV NATAL, DEPT BOT, PIETERMARITZBURG 3200, SOUTH AFRICA
关键词
D O I
10.1006/jare.1993.1059
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
Soils of Messor capensis nest-mounds had a higher infiltrability, but were drier than inter-mound soils after a rain event of 26 mm at the end of the hot, dry summer and after 59·5 mm of frontal rains in winter. Soils of M. capensis nest-mounds contain significantly more organic matter, phosphorus, potassium and nitrogen than soils of inter-mound spaces. Plants growing on mounds generally contained more leaf nitrogen than plants in inter-mound spaces. A bioassay, using radishes grown in soils from ant nest-mounds showed fewer symptoms of nutrient deficiencies, grew faster, had lower root:shoot ratios and were significantly heavier at harvest than those grown in inter-mound soils. © 1993 Academic Press Limited.
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收藏
页码:249 / 260
页数:12
相关论文
共 37 条
[1]  
Acocks J.P.H., 1975, MEM BOT SURVEY S AFR, V40, P1
[2]  
[Anonymous], 1956, NONPARAMETRIC STAT B
[3]  
Beattie AJ, 1985, EVOLUTIONARY ECOLOGY
[4]   THE EFFECT OF ANTS ON THE SOIL OF A SEMI-ARID SALTBUSH HABITAT [J].
BRIESE, DT .
INSECTES SOCIAUX, 1982, 29 (2BIS) :375-382
[5]   ANT NESTS AS PRIMARY HABITATS OF SILYBUM-MARIANUM (COMPOSITAE) [J].
DANIN, A ;
YOMTOV, Y .
PLANT SYSTEMATICS AND EVOLUTION, 1990, 169 (3-4) :209-217
[6]  
DAUBENMIRE RF, 1959, PLANTS ENV TXP PLANT
[7]   MYRMECOCHORY IN SOME PLANTS (F-CHENOPODIACEAE) OF THE AUSTRALIAN ARID ZONE [J].
DAVIDSON, DW ;
MORTON, SR .
OECOLOGIA, 1981, 50 (03) :357-366
[8]   THE INFLUENCE OF HARVESTER ANT MESSOR-CAPENSIS NEST-MOUNDS ON THE PRODUCTIVITY AND DISTRIBUTION OF SOME PLANT-SPECIES IN THE SOUTHERN KAROO, SOUTH-AFRICA [J].
DEAN, WRJ ;
YEATON, RI .
VEGETATIO, 1993, 106 (01) :21-35
[9]  
ELLIS F, 1986, S AFR NAT SCI PROG R, V124, P18
[10]   CONTRIBUTION OF SHRUBS TO NITROGEN ECONOMY OF A DESERT-WASH PLANT COMMUNITY [J].
GARCIAMOYA, E ;
MCKELL, CM .
ECOLOGY, 1970, 51 (01) :81-+