Lecture 1 Part II.Introduction to Weed Science: Weed classifications and Alien Invasive Species

17 Setembro 2020, 14:30 • Francisca Constança Frutuoso de Aguiar

Lecture 1. Part II. (via Zoom Colibri). Classification of weeds. Biology and ecology of annual and perennial species, parasitic species. Alien invasive plant species (IAS) - concepts and definitions in relation to casual, alien, and naturalized. Invasive species in terrestrial and aquatic ecosystems in Portugal- an overview. Diversity of alien invasive species and diversity of invaded ecosystems. European Union invasive alien species blacklist. Major invasive species in Portugal and recent introductions: identification.Geographical origin and causes of introduction. Economic and environmental impacts of IAS.