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5.2 Terrestrial food production systems and food choices - Coggle Diagram
5.2 Terrestrial food production systems and food choices
-Terrestrial Food Production Systems: Focuses on land-based methods of producing food, including different farming systems and their ecological, economic, and social impacts.
-Food Choices and Sustainability: Examines how dietary choices influence food production, land use, and environmental sustainability.
Types of Terrestrial Food Production Systems
Agro-ecology and Permaculture: Integrative and sustainable farming systems designed to mimic natural ecosystems, enhancing biodiversity and ecosystem stability.
Intensive vs. Extensive Farming:
Intensive: High labor, fertilizer, and pesticide inputs on smaller land areas (e.g., horticulture, factory farming).
Extensive: Low inputs over larger areas, lower yield per unit area (e.g., cattle ranching).
Commercial Farming: Large-scale agriculture aimed at generating profit. Often involves high-input methods and monoculture (cultivating one crop over vast areas).
Poly- vs. Monoculture:
Monoculture: Focuses on single crop species, often lowering biodiversity and increasing vulnerability to pests.
Polyculture: Involves multiple species or crops, promoting resilience and biodiversity.
Subsistence Farming: Small-scale, self-sufficient agriculture primarily for local consumption. Common in low-income regions, relies on low input and often low-yield.
Inputs and Outputs in Food Production Systems
Inputs: Factors contributing to productivity
Fertilizers: Organic vs. synthetic options, impact on soil fertility.
Pesticides: Use and impact on ecosystems, potential for bioaccumulation.
Water: Irrigation, rainfed agriculture.
Energy Inputs: Use of fossil fuels, mechanization.
Outputs: Products and by-products of food systems:
Food Yield: Quantity of food produced per area.
Ecological Impact: Habitat destruction, soil erosion, nutrient runoff, greenhouse gas emissions.
Waste Products: Crop residues, pollution from pesticides and fertilizers.
Factors Influencing Food Production Systems
Soil Health and Fertility: Soil quality influences productivity; overuse can lead to degradation (e.g., desertification).
Cultural and Socioeconomic Factors: Traditions, economic status, and governmental policies impact farming practices and food choices.
Climate: Temperature, precipitation, and seasonal patterns dictate suitable crops and livestock.
Technological Advancements: GMO crops, precision farming, and new irrigation techniques.
Sustainability in Food Production
Environmental Impact: Evaluates the ecological footprint of different farming methods and food choices, including habitat destruction, water usage, and emissions.
Eutrophication: Nutrient runoff into water bodies causing algae blooms, depleting oxygen, and harming aquatic life.
Food Miles and Carbon Footprint: Distance food travels and associated emissions, influencing the sustainability of food systems.
Soil Degradation: Consequences of intensive agriculture leading to erosion, nutrient loss, and reduced productivity.
Food Choices and Environmental Impact
The Role of Consumer Behavior: How demand shapes production (e.g., organic foods, local sourcing, sustainable packaging).
Sustainable Diets: Emphasis on low-impact foods, minimizing resource-intensive products like red meat, promoting plant-based alternatives.
Dietary Preferences: The environmental costs of meat-based vs. plant-based diets, including land and water usage, greenhouse gas emissions.
Food Security: Access to adequate, safe, and nutritious food; relates to both production efficiency and equitable distribution.
Evaluation of Food Production Systems
Food Security and Yield: Assessing productivity in terms of meeting local and global needs.
Social and Economic Impact: Effects on farmers' livelihoods, market stability, and local economies.
Efficiency: Comparing energy input vs. food output; highly efficient systems may be more sustainable.
Environmental Impact: Includes the ecological footprint, carbon emissions, water use, and biodiversity.
Future Trends and Challenges
Population Growth and Demand: Increasing food demand with limited land and resources.
Technological Innovation: Emerging techniques in sustainable farming, bioengineering, and alternative proteins (e.g., lab-grown meat).
Climate Change: Impacts on food security, shifting agricultural zones, and adaptation needs.