Limestone Barrens

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Climate Change


The limestone barrens of Newfoundland and Labrador occupy a very restricted area. Thus, most of the limestone plants that live there are quite rare, at least in our region.

The worry is that climate warming may both diminish the already small size of our barrens (through natural reforestation), and cause cold-loving arctic and alpine species at the limit of their ranges here to perish from our shores.




The Dwarf Hark's Beard (Crepis nana). The southernmost occurrence of this arctic -
alpine species, in eastern North America, is at Burnt Cape. It's next occurrence, to the
north, is in the Torngat Mountains of northern Labrador. Climate warming will most
likely cause its demise at Burnt Cape, and perhaps even in northern Labrador, in the
not too distant future. Photo: Gene Herzberg. [CLICK image to enlarge.]



See the Climate Research page.







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