Dragon’s blood set to dry up

Having been involved in the botanical exploration of the Indian Ocean island of Socotra back in the early 90s, and also — more recently — having done some ecological niche modeling, I was fascinated to see these interests coincide in a recent paper in Biological Conservation. Italian and Yemeni researchers ((The Italian and Yemeni governments, UNDP and IUCN (among others) are financing a Socotra Conservation and Development Programme. Nothing like that when I was there, of course.)) have modeled the distribution of the Socotran endemic Dracaena cinnabari, the Dragonblood Tree, to predict what might happen to it with climate change. It’s not good. This flagship species, whose resin has been the source of a dye and medicine since antiquity, is looking at a halving of its potential area of distribution, due to drier conditions, and only a couple of its current localities will fall within what will remain suitable. Fortunately, they are near a protected area, and the authors recommend that its boundaries be expanded to include them.

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