“Mountain Forests – roots to our future”. That was the headline for this year’s International Mountain Day  celebrated by the UN every 11th of December since 2003. This year especially emphasized the interdisciplinary implications of sustainable mountain development. Whenever I have the opportunity to spend time in mountains, I realize how strongly the different elements in that landscape depend on each other and how fragile it all is. Earlier this year, for example, I had the privilege to visit the mountain gorillas in Rwanda. The experience of seeing these amazing animals in their natural habitat was incredible and it wasn’t just the climb up the Virunga Volcanoes that was breathtaking.
But the conservation of this ecosystem does not only provide benefits in terms of biodiversity conservation. Adjacent communities and the Government of Rwanda as a whole benefit from the income streams the tourism sector generates. Protecting the ecosystem also helps to assure sustainable flow of water from these “water towers” benefiting agriculture and lowland ecosystems alike. Not only are the Virunga gorillas and other mountain species threatened by climate change but there are also consequences for the communities that depend on them.
Covering 24% of the Earth’s surface, mountain ecosystems play a critical role in maintaining a sustainable flow of resources to the plains below. Mountains are the source for nearly 50% of the world’s freshwater for direct consumption, agriculture, and energy. Also, mountain tourism accounts for 15-20% of the world’s tourism industry, totaling an estimated $US70-90 billion per year. Mountain regions are also severely impacted by climate change, which only magnifies existing development challenges. Ecosystems will experience a vertical shift, as climates warm, generally flora and fauna will move towards higher altitudes. Fragile alpine ecosystems systems and endemic flora and fauna are likely to change resulting in significant negative ecological and socio-economic implications.
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