Editing Niagara Escarpment (section)

==World Biosphere Reserve==
{{Main|Niagara Escarpment Biosphere Reserve}}
{{See also|List of UNESCO Biosphere Reserves in Canada}}

In February 1990, the Niagara Escarpment was a designated World [[Biosphere Reserve]] by [[United Nations Educational, Scientific and Cultural Organization|UNESCO]], making it one of 12 in Canada. Development and land use on and adjacent to the escarpment is regulated by the [[Niagara Escarpment Commission]], an agency of the Ontario government.<ref>{{cite web|title= Biosphere Reserve Information – Canada – Niagara Escarpment Biosphere Reserve|url= http://www.unesco.org/mabdb/br/brdir/directory/biores.asp?mode=all&code=CAN+06 |work= MAB Biosphere Reserves Directory|publisher= [[UNESCO]]|access-date= 2009-05-03}}</ref>

Cliffs along the scarp face have the oldest forest ecosystem in eastern North America.<ref>{{cite book |last=Kelly |first=Peter |date=2007-05-31 |title=The Last Stand: A Journey Through the Ancient Cliff-Face Forest of the Niagara Escarpment |publisher=Natural Heritage |edition=1st |isbn=978-1-897045-19-0 |url=https://www.amazon.ca/gp/product/1897045190/ref=as_li_qf_sp_asin_il_tl?ie=UTF8&camp=15121&creative=330641&creativeASIN=1897045190&linkCode=as2 |access-date= 2018-04-04}}</ref> The oldest tree in Ontario is an eastern white cedar from 688 C.E.<ref>{{cite web|title= Ontario's oldest tree |author=Ancient Forest Exploration and Research |url= http://www.ancientforest.org/ontarios-oldest-trees/|access-date= 2021-01-25}}</ref> The oldest known tree in Wisconsin, a 1,300 year-old eastern white cedar, was found in Brown County.<ref>[https://www.wausaudailyherald.com/story/news/2019/04/22/oldest-tree-wisconsin-1300-year-old-red-cedar-niagara-escarpment-brown-county-greenleaf-doug-larson/3428841002/ The oldest known tree in Wisconsin is a 1,300-year-old cedar growing from a cliff]</ref>