Sumários
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.
Lecture 1 Part I.Introduction to Weed Science: scope, main concepts and definitions. Program and evaluation
14 Setembro 2020, 11:00 • Francisca Constança Frutuoso de Aguiar
Lecture 1. Part I (presential). General presentation of the curricular unit: program, evaluation, and bibliography.
Introduction to Weed Science: scope, main concepts. Definition and discussion of the concept of weed. Problems caused by weeds and benefits. General characteristics of weed flora.