Brownfield sites are best described as derelict and disused industrial or commercial land. Areas of abandoned factories and old railway lines are becoming a refuge for a growing number of species. Once all the human activity has died down, wildlife starts to move back into these undisturbed areas. Brownfield sites can contain a mosaic of different habitats and niches, providing opportunities for a wide variety of animals and insects, from toads and snakes to dragonflies and rare bees. Plants can also thrive on the poor soils, from purple rosebay willowherb to yellow groundsels and dandelions.
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Oil refinery to wildlife haven
Plants and animals reclaim disused land.
A disused oil refinery in Essex is now home to 1,400 species of invertebrates, making it a wildlife haven.
One man's weeds
A Wallsend wasteground is more botanical wonderland than gardener's nightmare.
A Wallsend wasteground is more botanical wonderland than gardener's nightmare.
Mini chalk downland
Wildflowers thrive on the dried out ash lagoons of an old London power station.
Wildflowers thrive on the dried out ash lagoons of an old London power station.
Accidental nature reserve
Industrial activity can have a positive effect on local wildlife.
Industrial activity can have a positive effect on local wildlife.
Horseshoe bats
Raccoon
Red fox
Weasel
Human
Bank vole
Brown rat
European water vole
Harvest mouse
Wood mouse
Mole
Moles and desmans
Collared dove
Pigeon
Turtle dove
Peregrine falcon
Blackbird
Blackcap
Carrion crow
Chaffinch
Crows and ravens
Goldfinch
Great tit
Greenfinch
Hooded crow
House sparrow
Jackdaw
Jay
Magpie
Pied wagtail
Robin
Rook
Siskin
Song thrush
Starling
Tits and chickadees
Waxwing
Wren
Great black-backed gull
Herring gull
Lesser black-backed gull
Common swift
Black garden ant
Buff-tailed bumblebee
Bumblebees
Common wasp
European honey bee
Hornet
Seven-spot ladybird
Brimstone
Gossamer-winged butterflies
Painted lady
Peacock butterflyBrownfields are abandoned or underused industrial and commercial facilities available for re-use. Expansion or redevelopment of such a facility may be complicated by real or perceived environmental contaminations.
In the United States, urban planning jargon, a brownfield site (or simply a brownfield) is land previously used for industrial purposes or some commercial uses. The land may be contaminated by low concentrations of hazardous waste or pollution, and has the potential to be reused once it is cleaned up. Land that is more severely contaminated and has high concentrations of hazardous waste or pollution, such as a Superfund site, does not fall under the brownfield classification. Mothballed brownfields are properties that the owners are not willing to transfer or put to productive reuse.
In the United Kingdom and Australia, the term applies more generally to previously used land or to sections of industrial or commercial facilities that are to be upgraded, although this usage is becoming more commonplace in the United States as well.
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Other Terrestrial habitats
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