Sheffield Blue Loop
Ecological conservation area- Sheffield Blue Loop - 8 miles
Tinsley canal was set up in 1819 for transportatrion of goods (steel) , but in 1849 the railway links became more popular and the canal + area fell into disrepair.
Nature Walk follows the industrial past of the River Don +Tinsley canal
*Aim- 'To support and engage the local comunities along the waterside envrionment'.
-UK biodiversity action plan(BAPS)- earth summit- rio de janerio- 1972
-encourages tourism + investment - improving appearance iof area.
-Created habitats for wildlife, encouraged endangered species like 'herons' (weirs) back into the area, by the increasing number of kingfishers- food chain.
Recreational resoruces: cycling, walking, + running routes
Unplanned invaders- Japanese Knotweed
Japanese Kntoweed- Victorian gift
-doubled it's coverage in London in 25 years
-top ten most invasive species
-Grows a meter in 3 weeks
-rhizones 2metres deep- spreads very quickly
-not a 6 sq mile in UK without it.
-resistant to treatement- natural predator Japan
-Grows through tarmac- mortgages denied if species is present near property.
£150 million cost to control each year- UK
Plagio-climax- Heather Moorlands
-originally uplands of Britain dominated by deciduous woodland- climax
-removed, replaced by woody Heather species.
-human activity- managed by burning at a critical 'maturity phase' to allows pioneers/ new shoots to develop.
- every 15 years it needs burning
-otherwise, it would go into the 'degenerate phase' and more competitive species would replace it like Oak trees.
-low NNP because- removal of trees caused a loss of nutreints, because high precipitation led to a extreme leaching + waterlogged acidic soil.
-PODSOL soil- heavily leached
-huinting Grouse- tourism. + aesthetics