#Cities with extensive #waterways can exhibit higher levels of #urban #biodiversity; however, modified and slow-flowing #rivers and #canals can also release #methane and #carbon #dioxide, which support #globalwarming. Their importance as #flightcorridors for the urban #dispersal of #flying #animalspecies should not be overlooked. Pictured here: the #Spree River in #Berlin.

© #StefanFWirth, 10 June 2026

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#Photos:
© S.F. Wirth