Wastelands 2.5 / 5 based on 2 ratings ? GeographyEcosystems and biodiversity under threatA2/A-levelAQA Created by: AednatCreated on: 08-04-13 22:46 A wasteland is found in what sort of ecosystem? An urban ecosystem. 1 of 11 What is the term for a species that first colonises the area? The pioneer species. 2 of 11 What is a substrate? The bare rock surface upon which soil may form. 3 of 11 After soil forms, what sort of plant increases nitrogen? Nitrogen-fixing plants. 4 of 11 After 3 years, what vegetation first appears on site? Perennial plants, herbaceous in nature. 5 of 11 What is a perennial plant? A plant that will seemingly be around for an infinite amount of time. 6 of 11 What is an example of a perennial herbaceous plant? Rosebay willow herb. 7 of 11 After soil thickens and spreads, and perennial herbaceous plants grow taller, what other form(s) of vegetation appear (around 3-6 years)? Shrubs and small trees. 8 of 11 What kind of ecosystem may tall herb communities give way to after 8-10 years? Grasslands; scrub woodlands. 9 of 11 Why do most wasteland sites in the UK never reach a highly-developed ecosystem? They are eyesores and land is often redeveloped for other uses. 10 of 11 What is a brownfield site? Abandoned or underused industrial and commercial facilities available for re-use 11 of 11
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