“…In consequence, they might not be able or even willing to teach about biodiversity. In a recent study, nature-based investigations which are seen as an important component of biodiversity education (McLeish 1997;Van Weelie and Wals 2002), were found to be particularly restricted by the belief of teachers that they would require more specialist knowledge than they have (Brewer 2002). The term biodiversity encompasses a broad spectrum of biotic scales, from genetic variation within species to biomes of the planet and is frequently described in terms of numbers of genotypes, species, or ecosystems (IUCN, UNEP and WWF 1991;Hooper et al 2005).…”