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In this topic we explore the ecological significance of brownfield sites, demonstrating that these areas, often perceived as degraded or lacking natural value due to past human activity, are in fact crucial habitats for biodiversity. It introduces the concept of "open mosaic habitat" as a more accurate description for these human-influenced landscapes, which range from former industrial land and demolition sites to more common urban green spaces like parks, gardens, playing fields, and even road verges. Through detailed examples from Sidmouth, the threads highlight how these altered environments provide unique conditions—such as varied soil chemistry and bare ground—that support a surprising diversity of plants, invertebrates, reptiles, amphibians, and birds, including rare early-successional species. The data presented strongly indicates that these brownfield areas are disproportionately rich in species compared to their total land area, underscoring their vital role in local biodiversity and their potential for public engagement with nature.
The articles in this thread address the following questions:
What is the technical term for brownfield sites, and how are they generally defined?
How do brownfield sites in the Sidmouth area differ from the typical definition of derelict industrial land?
Why are the thin, skeletal soils often found on brownfield sites important for maintaining their ecological characteristics?
Name three different types of vegetation that can be found on brownfield sites.
Despite being modified by human activity, why can the best examples of brownfield sites be remarkably rich in species, particularly invertebrates?
What are "early-successional species" and why do brownfield sites serve as a refuge for them?
Identify one specific plant mentioned that is typical of derelict urban sites and quarries.
Name two types of wildlife other than plants and invertebrates that can find habitat on brownfield sites.
What are the three broad categories used to classify brownfield sites in the Sidmouth Nature project?
According to the species analysis, which brownfield site in Sidmouth recorded the highest number of species?
Thread Index: Read all about it!
Discover the surprising biodiversity of Sidmouth's brownfield sites. Learn why these "open mosaic habitats" are vital for UK wildlife and how nature reclaims urban spaces.
Explore the diverse habitats within Sidmouth's brownfield sites, from the amenity grasslands of The Byes to the restoring heath at Lockyer Observatory.
Meet some of the amazing pioneers of brownfield sites nationally. From rare orchids and Shrill Carder Bees to reptiles and the Little Ringed Plover, discover the biodiversity of urban refuges.
Explore the 15 brownfield sites of Sidmouth. From the formal Blackmore Gardens to the wilder verges of Dunscombe Lane, learn how we categorize our local urban nature.
See the data proving Sidmouth's brownfield sites are biodiversity hotspots, hosting 64% of all local species, including birds, mammals, and rare flora.
Explore the wildlife of Sidmouth's managed sites. From the rare lichens of the Parish Churchyard to the prehistoric trees of Connaught Gardens and the riverside beauty of The Byes.
Discover the community-led conservation at Deepway Meadow, Knapp Pond, and Sidmouth Cemetery. Learn how these maintained brownfield sites support rare bats, dormice, and aquatic life.
Explore Sidmouth's minimal-intervention sites, from the Harpford Trailway to the historic Bickwell Valley. Learn how former railways and engineered rivers become vital wildlife corridors.
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