By Elizabeth A. Davison (auth.), Ralf C. Buckley (eds.)
Early learn on ant-plant interactions in Australia was once principally restrained to the economically very important challenge of ants harvesting surface-sown pasture seed (e. g. Campbell 1966). The record via Berg (1975) of frequent myrmecochory in Australia, and a burst of out of the country learn, influenced study on various ant-plant interactions in Australia. This booklet summarizes such examine and offers reeent and present paintings on seed harvesting, myrmecochory, ant-epiphytes, extrafloral nectaries, ant-plant-homopteran platforms, and the impact of crops on ant faunas. i am hoping that it'll motivate additional paintings in those and comparable parts, and that the overview and bibliography of ant-plant interactions within the relaxation ofthe global will function an invaluable resource for these coming into the sphere. The richness of Australia's plants and ant fauna render it a very fascinating continent for the learn of interactions among them. As instantly obvious from the checklist of contents, ant-seed interactions are fairly major in Australia. this isn't impressive for a comparatively dry continent bearing a principally sc1erophyllous plant hide. destiny study, even if, specially within the tropical north, is like1y to bare additional varieties of interplay, maybe akin to these attribute of the tropics somewhere else, or even distinctively Australian. a number of the chapters were shortened and changed significantly from the unique manuscripts, however the rules and effects awarded are, in fact, these of the person authors.
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Extra resources for Ant-plant interactions in Australia
Generalist. 3 Major harvester of eucalypt seeds in the mallee during winter. Specialist. 9 Abundant elaiosome collector during winter, particularly in the mallee. 2 Minor seed harvesters during different times of the study period. 3, Meranoplus spp. I and 2, Chelaner spp. 9) is an elaiosome collector, since it removes only appendaged seeds. 9: Plate 1) showed marked seasonal and site preferences (Andersen 1980). l was the only species active during all seasons. It is a prolific generalist harvester (removing almost all seeds offered) eommon to both sites, but partieularly abundant in the heath.
These are equivalent to 7,000 and 2,500 nests/ ha respectively, as compared to 15 large colonies per ha for Veromessor pergandei (Tevis 1958) and 27 for Pogonomyrmex badius (Golley and Gentry 1964). The latter colonies contained approximately 5,000 ants each, of which only 10% actively collected seeds during any two-week period. There are no corresponding data for Pheidole. Seed harvesting Australian seed-harvesting ants generally prefer small seed to large, and grass seed to legumes (Table I).
67: 321-326. Janzen, D. , 1969. Seed-eaters versus seed size, number, toxicity and dispersa!. Evolution 23: 1-27. Janzen, D. , 1971. Seed predation byanimals. Ann. Rev. Eco!. Syst. 2: 465-492. Johns, G. G. & Greenup, L. , 1976. W. J. Exp. Agric. Anim. 16: 257-264. Kemp, P. , 1951. Field observations on the activity of Pheidole. Bul!. Ent. Res. 42: 201-206. Lawrence, C. , 1966. Cainozaicstratigraphyand structureofthe mallee region, Victoria. Proc. Roy. Soe. Vico 79: 517-553. Majer, J. , 1972. The ant mosaic in Ghana cocoa farms.
Ant-plant interactions in Australia by Elizabeth A. Davison (auth.), Ralf C. Buckley (eds.)