Abstract

Abstract Fifty years ago aerobiology concentrated on seasonal diffusion of phytopathic fungus spores and aeroallergens. Subsequently, more divers approaches have been applied to problems with widely different organisms involved in the aerobiological pathway, including bacteria, algae, protozoans, and minute arthropods. Aerobiology is used increasingly to gather bio-geographic and ecological information, much of which is essentia! for conservation and environmental protection programs. Biogeography compiles distribution records of indigenous and invading species initially, but aerosol monitoring is more efficient in detecting changes in range margins, which can be useful proxy indicators of environmental change and spread of species of special concern. Aerobiology's contributions to ecology are numerous and diverse. For example, adaptations of anemophilous flowers for entraining pollen grains within millimeters of stigmas, electrostatic charges given to spores released ballistically, and responses of charg...

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