Editing Biotope (section)

===Biotope networks===
It is commonly emphasised that biotopes should not be isolated (although there are exceptions, such as manmade [[Closed ecological system|closed ecological systems]] which are specifically designed for no exchange of materials with the outside world). Instead biotopes need to be connected to each other and other surrounding life for without these connections to life-forms such as animals and plants, biotopes would not effectively work as a place in which diverse organisms live. So one of the most effective strategies for regenerating biotopes is to plan a ''stretch'' of biotopes, not just a ''point'' where animals and plants come and go. (Such an organic traffic course is called a [[Wildlife corridor|corridor]].) In the stretch method, the centre of the network would be large green tracts of land: a forest, natural park, or cemetery. By connecting parcels of land with smaller biotope areas such as a green belt along the river, small town parks, gardens, or even roadside trees, biotopes can exist in a network. In other words, a biotope is an open, not a closed, system and is a practicable strategy.