Pit & Mound Micro-Topography. Part 10: Solo 4-day canoe trip, Spring 2018
3,213 views · Published 23 July 2018 · 8:51 · Indexed 22 September 2026
Channel: Wintertrekker · 2018 · Science & Technology
I walk back into the bush to show the phenomenon of "pit and mound" micro-topography. Pits and mounds are part of the 3D structure of the forest floor that is constantly being re-arranged via the energy involved in tree blow-down events. Boreal Forest pine and spruce trees are shallow-rooted with no tap root, and are routinely blown down. When this happens often their entire root mat is ripped up and out, pulling boulders, stones and dirt out with it, which form the future "mound". The hole from this event is called a "pit" which, unless filled in from other events, becomes permanent, adding to the rugged micro-topography. Pits can sometimes fill with water. All natural, long standing forests will have some degree of pit and mound micro-topography. The degree of pit and mound formation increases with the prevalence of species that are shallow-rootedness with no tap root. Deeply rooted tree species when wind damaged, often tend to snap off above ground, and do not create the "pit" because their root mat stays intact in the ground. But when deeply rooted trees are ripped out by their roots, the resultant pit is often massive. This is part 10 of this 4-day solo canoe trip series, spring, 2018. More to come in this series! The entire series will be linked in my playlist: "Solo Canoe 4-day Trip - Spring 2018", parts to be added as I get them done: https://www.youtube.com/watch?v=28lYHA7OKuI&list=PLAy7lnVQVxjMEU6SxBrZa4LhUWwNOz8Tp If you liked this video, please hit the "Like" button, and please consider Subscribing and sharing, and click the bell for future notifications, thank you!
