carrying capacity
DESCRIPTION
CARRYING CAPACITY. …the maximum number of people that an area of land (locally) can support . . ÷ . Population carrying capacity. =. Productive land. Productive land per person. CARRYING CAPACITY. …the maximum number of people that an area of land (locally) can support . . - PowerPoint PPT PresentationTRANSCRIPT
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CARRYING CAPACITY…the maximum number of people that an area of land (locally) can support.
= ÷ Population carrying capacity
Productive land Productive land per person
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CARRYING CAPACITY…the maximum number of people that an area of land (locally) can support.
= ÷ Population carrying capacity
Productive land Productive land per person
➔
➔Consumption habits (local)
Production yields (local)
Short-distance
quantity
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CARRYING CAPACITY…the maximum number of people that an area of land (locally) can support.
= ÷ Population carrying capacity
Productive land Productive land per person
ECOLOGICAL FOOTPRINT
Productive land per person
= ÷
PopulationProductive land
➔Consumption habits (local)
Production yields (local)
Short-distance➔Consumption habits (local)
Production yields (global)
Long-distance
➔
quantity
➔
quantity
…the amount of land (globally) each person requires.
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http://www.footprintnetwork.org/en/index.php/GFN/page/calculators/
Ecological footprint interface(appropriated carrying capacity)- Input: local consumption choices global production- Output: land usage (global hectares)
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http://www.footprintnetwork.org/en/index.php/GFN/page/calculators/
Ecological footprint interface(appropriated carrying capacity)- Input: local consumption choices global production- Output: land usage (global hectares)
Carrying capacity interface- Input: local consumption choices local production- Output: population & land usage
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http://www.footprintnetwork.org/en/index.php/GFN/page/calculators/
Ecological footprint interface(appropriated carrying capacity)- Input: local consumption choices global production- Output: land usage (global hectares)
Carrying capacity interface- Input: local consumption choices local production- Output: population & land usage
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INPUTS• Basic needs• Time-scales• Space-
scales
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FOOD: amount, meat-eggs, red meat, activity level, avoidable waste, recyclingCLIMATE VARIABILITY, AGRICULTURE: organic farming, irrigationTEXTILES: amount, natural fibre, woolFUEL: liquid fuel, biofuelTIMBER, INFRASTRUCTURE, NATURE RESERVE
INPUTS• Basic needs• Time-scales• Space-
scales
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Short-term defaultsINPUTS• Basic needs• Time-scales• Space-
scales
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LESS:- meat- wastage- liquid fuel- infrastructure
MORE:- physical activity- recycling- organics- timeframe
-natural textiles- biofuel- timber- nature reserve
Long-term defaults INPUTS• Basic needs• Time-scales• Space-
scales
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INPUTS• Basic needs• Time-scales• Space-
scales
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INPUTS• Basic needs• Time-scales• Space-
scales
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OUTPUTS• Population• Land use
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OUTPUTS• Population• Land use
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OUTPUTS• Population• Land use
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Under capacity
Over capacity
POPULATION distribution
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LAND productivity
Horticulture 330m2, 0.5%
Animal 91,329m2,
98%
Broadacre 1,339m2,
1.5%
Food production - land
Annual production per person for standard Australian diet
Broadacre 195kg, 37%
Animal183kg, 36%
Horticulture 138kg, 27%
Food consumption - diet
Annual consumption per person for standard Australian diet
Land for food production(hectares per person per year) Aust.
SEQ
Standard Australian diet 9.3 2.5
Vegetarian diet 1.7 0.6
Vegan diet 0.3 0.2
2.5 LOCALISED hectares= 250m x 100m
= 3.7 rugby league fields(just for food per person)
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Horticulture 330m2, 0.5%
Animal 91,329m2,
98%
Broadacre 1,339m2,
1.5%
Food production - land
Annual production per person for standard Australian diet
Broadacre 195kg, 37%
Animal183kg, 36%
Horticulture 138kg, 27%
Food consumption - diet
Annual consumption per person for standard Australian diet
Land for food production(hectares per person per year) Aust.
SEQ
Standard Australian diet 9.3 2.5
Vegetarian diet 1.7 0.6
Vegan diet 0.3 0.2
LAND productivity
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Horticulture 330m2, 0.5%
Animal 91,329m2,
98%
Broadacre 1,339m2,
1.5%
Food production - land
Annual production per person for standard Australian diet
Broadacre 195kg, 37%
Animal183kg, 36%
Horticulture 138kg, 27%
Food consumption - diet
Annual consumption per person for standard Australian diet
Land for food production(hectares per person per year) Aust.
SEQ
Standard Australian diet 9.3 2.5
Vegetarian diet 1.7 0.6
Vegan diet 0.3 0.2
LAND productivity
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CARRYING CAPACITY land-use
http://tuvalu7seas.com/
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