As regular CFZ-watchers will know, for some time Corinna has been doing a column for Animals & Men and a regular segment on On The Track... particularly about out-of-place birds and rare vagrants. There seem to be more and more bird stories from all over the world hitting the news these days so, to make room for them all - and to give them all equal and worthy coverage - she has set up this new blog to cover all things feathery and Fortean.

Thursday, 12 April 2018

Species hitch a ride on birds and the wind to join green roof communities



Date:  April 6, 2018
Source:  University of Portsmouth

New research suggests that species that live on green roofs arrived by hitching lifts on birds or by riding air currents.

While green roofs are seen as being great for biodiversity, adding habitat to what would otherwise be a bare roof, they can be harsh environments with high winds and extremes of temperature that make them vulnerable to drought. Because they are high, they can also be inaccessible to species that can't fly, in particular soil organisms which are crucial for nutrient cycling and sustainable plant growth.

Yet previous research shows that these species do live on roofs. So how do they get there?


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