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Date: 2018-09-20 Page is: DBtxt001.php L0700-CS-NC-BIODIVERSITY-FLORA

ENVIRONMENT / NATURAL CAPITAL
BIODIVERSITY
MANY MILLIONS OF DIFFERENT PLANTS - WITH ALL SORTS OF INTERESTING PROPERTIES

TO DO ... update images to be more relevant to the subject matter

NATURE'S LIVING SYSTEMS

NATURE'S LIVING SYSTEMS
The living systems of nature ... including human beings ... are extremely complex and quite amazing. Despite the amazing growth in knowledge during the last century very little is known about the deep intricacies of these natural living systems. What is now known is that they are immensely important for sustaining the enviro-socio-economic system that is key to quality of life and standard of living.
Nature ... Secrets of flocking revealed
Secrets of flocking revealed ... the simple explanation of how a flock of birds function
Open file 945

Davey Tree i-Tree software
Davey Tree developed the i-Tree software suite in partnership with several other organizations to better quantify and understand trees as a form of natural capital. i-Tree provides urban and community forestry analysis and benefit assessment tools, enabling the valuation of a tree’s impact on air and water quality, energy use, human health and more. This in turn enables Davey Tree’s arborists to educate clients on the value of their natural capital. #12711
'https://www.greenbiz.com/article/emergence-natural-capital-consciousness'
Open file 12711

'https://www.greenbiz.com/article/emergence-natural-capital-consciousness'
Open external link

Urban Forests ... a valuation
This valuation was prepared by TD Bank with reference to the trees in Toronto
https://www.td.com/document/PDF/economics/special/UrbanForests.pdf
Open PDF ... Valuing-Natural-Capital-in-Toronto-TDbank

Table 2 - Air pollution removed by Toronto's urban forest
Pollutant removed Tonnes per-year
Carbon stored 1.1 million*
Carbon sequestered 10
Carbon monoxide 10
Nitrogen oxides 297
Sulfur dioxide 62
Particulate matter 357
* Refers to the total amount carbon stored in woody tissues of Toronto's urban forest - not an annual value.
Source: Toronto Parks, Forestry & Recreation; TD Economics

Table 3 - Air effects of average tree in Toronto by size
Diameter of tree Carbon stored (kg) Carbon stored (kg) Carbon stored (kg) Carbon sequestered (kg/yr) Pollutants removed (kg/yr)
0cm - 15cm 9 1 0.1
15cm - 30cm 89 6 0.3
30cm - 45 cm 283 12 0.5
45cm - 60 cm 655 19 0.7
60cm - 75cm 1176 29 1.0
75 cm 2709 52 1.8
Source: United States Department of Agriculture, TD Economics



The text being discussed is available at


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