Gérard Ducerf, botanist, conducts lectures where the theme of the lecture is illustrated by using slide shows.

	Botany :
	Evolution of the species Botanical classification Vegetative cycles Rare and protected plants Algae

	The roles and uses of plants :
	Medicinal plants The picking of medicinal plants Nutritious plants Melliferous plants Bio-indicator plants

	The natural environment :
	Hedged farmland Establishing a new environment in a volcanic area Bush land and scrub land Sand dunes

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