Guest Lecture Flashcards
CPAWS
Canadian Parks and Wilderness Society
Northern Alberta Chapter CPAWS
Works to conserve and protect wilderness and healthy ecosystems in Northern Alberta
Focuses on public land
60 percent of Alberta is
Public land
What is the biodiversity crisis
Species livelihood reflects the ecosystem
Extinction rates have sky rocketed in the past half century
The crisis extends across taxa and some declines are beyond drastic (2.9 billion birds gone)
Leaking Tailing Ponds affect
Wood Buffalo National Park
WWF 202 Living Planet Report
Wildlife has decreased on average by 59 percent from 1970-2016
At risk species face an average of 5 threats
Threats to wildlife
Habitat loss, climate change etc.
Impacted by natural disturbances like wildlife and pests but also industrial disturbances
Boreal forests
Store carbon from nutrients twice as well as tropical forests
Coal valley 1984-2020
Large scale industrialization that cause consequences to the landscape
You can see landscape disturbances in the boreal forest from
Space
Woodland Caribou
An indicator species due to their sensitivity to disturbances and use of mature forests and wetlands
15 woodland caribou herds on provincial lands
Populations vary from 55-400 per herd
Herds are declining by 50 percent every 8 years
It is rare that these herds are self-sustaining
Umbrella species
Because they cover such a large area, protecting these species protects many other species
Cumulative disturbances
Human-induced habitat alterations have caused an imbalance in predator-prey relationships resulting in unnaturally high predation rates
Need for population stability
65 percent undisturbed habitat to achieve population stability
This is the bare minimum
Correlates to a 60 percent chance of becoming self-sustained
What is a disturbed habitate
A 500 meter buffer around industrial features best represent the combined effects of increased predation and avoidance of caribou population across Canada