Abstract
Salt (playa) lakes provide an opportunity to obtain long records of vegetational change from arid areas. This paper presents results of a study of modern pollen dynamics at Lake Tyrrell, a large salt lake in semi-arid northwestern Victoria, Australia. Results suggest that the lake receives an airborne pollen flux which broadly reflects the nature of the regional vegetation. Waterborne pollen and pollen carried to the lake by surface wash are of no significance to the overall pollen budget. Pollen are rapidly redistributed across the lake floor and preferentially deposited marginal to the salt crust. Implications of these processes for interpretation of fossil pollen in salt lake environments are discussed.
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