R ENNES V ILLE V IVIÈRE F OOD GROWING / S ELF FEEDING CITY Gilles Maréchal Plymouth, 20th...
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Transcript of R ENNES V ILLE V IVIÈRE F OOD GROWING / S ELF FEEDING CITY Gilles Maréchal Plymouth, 20th...
RENNES VILLE VIVIÈRE
FOOD GROWING / SELF FEEDING CITY
Gilles Maréchal
Plymouth, 20th September 2013
RENNES MÉTROPOLE
RENNES MÉTROPOLE
Rennes Metropole = Rennes (city) + 37 municipalities
# 420.000 inhabitants
Planning / agricultural policy : the city archipelago and green belt
LANDSCAPES
QUESTIONS
At what level is Rennes Métropole self-sufficient ?
What area under what conditions to get self-sufficiency ?
Could everybody be fed ?What impact on employment ?Do people want it ?
PROSPECTIVE SCENARIOS
Trend-setting
scenario "Virtuous" scenario
Food regime Current (2150
calories/inhabitant) A lot of meat !!!
Moderated (1900 calories/inhabitant) More cereals / veg.
Farm Production Mixed Organic
Food waste 30 % of the gross resources wasted
20 % of the gross resources wasted
Area considered Farms
Farms + % of public and private gardens,
forests, flat roofs… Marketing local local
Production and food close to current situation
Designed to
maximise RM’s
food autonomy
FOOD CONSUMPTION SCENARIOS
Total of the calories consummed/day
Tendencial scenario Virtuous scenario 2 150 kcal Numb
er of sub-types for
each nutri
ent
1 900 kcal Number of sub-types for
each aliment
Caloric contribution
Caloric contribution
Vegetables 5,91 % 8 17,35 % 8 Vegetable fats 8,93 % 3 8,93 % 3
Fruits 14,58 % 5 14,58 % 4
Cereals 39,21 % 37,00 % Meat 19,80 % 5 10,56 % 7
Dairy 10,11 % 1 8,00 % 2
Eggs 1,47 % 1 3,58 % 1
SPATIAL SCENARIOS
20960%Flat roofs(348 ha)
0%0
109146%Natural areas(2 399 ha)
0%0
117740%Private/public gardens(2 919 ha)
15%442
33430%Forest(1 113 ha)
0%0
34881100%Farm land(34 881 ha)
100%34881
Productive areas
% used in the scénario
Total area available(41 660 ha)
% used in the scénario
Productive areas
Scenario of autonomyTrend scenario
+ 2400 ha
AREA NEEDED TO FEED RENNES MÉTROPOLE
Trend scenario Virtuous scenario
Area needed to feed RM’s population
188 356 ha 97 402 ha
Area of urban greenways available in the scenario
35 322 ha 37 691 ha
% of food autonomy of RM allowed by the scenario
19 % 39 %
OUTER AREAS NEEDED
LOCAL BALANCE IN FOODIMPORT / EXPORT BY MUNICIPALITY
IMPACT ON UNPLOYMENT (WHOLE AREA)
Production Processing Marketing
Trend scenario 4 422 848 6 581
Scenario of autonomy
Vegetable production 3 996
1 167Mixed systems (animals + crops)
2 816
Total 6 812 1167 5 002
12 981
11 851
TURNOVER AND EMPLOYMENT IN LOCAL SALES
Current situation 15 -20 M€ / 500 jobs
Main place : open air markets (42, +50 %)
Co-operative farm shopsDirect sales on the farmBox schemes, CSAsPublic catering