Ecological and Carbon Footprint Overview
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Questions and Answers

Which of the following practices is NOT associated with organic agriculture?

  • Increasing soil organic matter
  • Promoting biological activity in the soil
  • Using synthetic pesticides (correct)
  • Utilizing natural systems
  • What is the primary advantage of rotational grazing over traditional grazing methods?

  • Minimized risk of overgrazing (correct)
  • Increased use of pesticides
  • Increased use of fertilizers
  • Reduced soil erosion
  • Which of these is NOT a benefit of aquaculture?

  • Reduces the need for land-based food production
  • Requires minimal water and space
  • Increases biodiversity in aquatic ecosystems (correct)
  • Reduces the risk of fishery collapse
  • What is the main purpose of terracing in agriculture?

    <p>Preventing soil erosion on sloping land (A)</p> Signup and view all the answers

    Which of the following is a potential environmental consequence of aquaculture?

    <p>Water contamination from fish waste (B)</p> Signup and view all the answers

    Which of these is a key characteristic of a sustainable forestry practice?

    <p>Maintaining a diversity of tree species and age classes (D)</p> Signup and view all the answers

    What is the main purpose of prescribed burns in forested areas?

    <p>Reducing the risk of large, destructive wildfires (B)</p> Signup and view all the answers

    How does the Delaney Clause relate to food safety?

    <p>It prohibits the use of pesticides that have been proven to cause cancer in humans (D)</p> Signup and view all the answers

    Which of these is an example of a sustainable farming technique?

    <p>Planting perennial crops (A)</p> Signup and view all the answers

    What is the main goal of no-till agriculture?

    <p>Reducing soil erosion and improving soil health (C)</p> Signup and view all the answers

    What is the primary reason why global grain production per capita has leveled off and potentially declined recently?

    <p>Increased demand for meat, diverting resources from grain production (C)</p> Signup and view all the answers

    Which of the following is NOT a benefit of Integrated Pest Management (IPM)?

    <p>Increased reliance on synthetic pesticides (B)</p> Signup and view all the answers

    What is the main goal of sustainable agriculture?

    <p>Meeting the needs of food and fiber while protecting the environment and ensuring economic viability (A)</p> Signup and view all the answers

    Which of the following is NOT a method used in Integrated Pest Management (IPM)?

    <p>Industrial-scale pesticide application (B)</p> Signup and view all the answers

    What is the relationship between biodiversity and ecosystem health?

    <p>Higher biodiversity indicates healthier ecosystems (C)</p> Signup and view all the answers

    How does deforestation contribute to the increase of atmospheric CO2?

    <p>Deforestation reduces CO2 absorption by trees, increasing overall CO2 levels (A), Deforestation releases stored carbon from trees, increasing CO2 levels (B)</p> Signup and view all the answers

    Which of the following is considered a renewable resource?

    <p>Timber (A)</p> Signup and view all the answers

    What is the primary reason why developed nations consume more resources than developing nations?

    <p>Developed nations often have higher levels of consumption due to factors like technology and lifestyle choices (C)</p> Signup and view all the answers

    What is the relationship between carrying capacity and maximum sustainable yield?

    <p>Maximum sustainable yield is roughly half of the carrying capacity (D)</p> Signup and view all the answers

    What is the primary reason why global surface temperature and CO2 concentration are considered global scale environmental indicators?

    <p>They reflect the overall health of the planet and potential for future changes. (B)</p> Signup and view all the answers

    Which of these options accurately describes a defining characteristic of sustainable development?

    <p>Balancing current human well-being with resource management for future generations (B)</p> Signup and view all the answers

    How does intercropping contribute to the control of agricultural pests?

    <p>All of the above (D)</p> Signup and view all the answers

    What is the main purpose of strip cropping as a sustainable agriculture method?

    <p>To prevent soil erosion and water runoff by creating a barrier against wind and rain (D)</p> Signup and view all the answers

    What is the primary benefit of using biocontrol as a pest management method?

    <p>It offers an environmentally friendly alternative to synthetic pesticides. (B)</p> Signup and view all the answers

    What is the main difference between a renewable resource and a nonrenewable resource?

    <p>Renewable resources can be replenished over time, while nonrenewable resources cannot be replenished at a rate comparable to human consumption (A)</p> Signup and view all the answers

    Which of the following activities is NOT included in the calculation of an ecological footprint?

    <p>Amount of sunlight received (A)</p> Signup and view all the answers

    Which of the following factors is likely to decrease a person's carbon footprint?

    <p>Increased use of renewable energy sources (C)</p> Signup and view all the answers

    Which of the following is the most accurate statement about ecological footprints?

    <p>People in developed nations typically have larger ecological footprints than people in developing nations. (B)</p> Signup and view all the answers

    According to the content, what is the primary reason for the difference in carbon footprints between the United States and Uganda?

    <p>The United States has a higher level of affluence and consumption than Uganda. (D)</p> Signup and view all the answers

    Which of the following contributes to a larger ecological footprint?

    <p>Buying more material goods and using more resources (A)</p> Signup and view all the answers

    Flashcards

    Ecological Footprint

    A measure of the land and water area needed to produce resources and process waste for an individual or population.

    Carbon Footprint

    Total greenhouse gas emissions, especially CO2, released by a person or entity through activities.

    Factors Increasing Footprint

    Factors like wealth, large houses, travel, and meat consumption that lead to a larger ecological and carbon footprint.

    Factors Decreasing Footprint

    Use of renewable energy, public transportation, and plant-based diets can reduce ecological and carbon footprints.

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    Footprint Comparison US vs. Uganda

    The US has a larger footprint due to being developed, leading to higher per capita resource consumption compared to Uganda.

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    Intercropping

    Growing different crops in proximity to prevent soil erosion.

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    Contour Plowing

    Plowing along the contours of the land to reduce soil erosion.

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    Terracing

    Transforming sloped land into flat, step-like sections for farming.

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    Perennial Plants

    Plants that live for several years without needing replanting each season.

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    No-Till Agriculture

    Farming method where soil is not plowed between seasons for better soil health.

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    Green Manure

    Plant material grown to be plowed under for soil enrichment at the end of the season.

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    Aquaculture

    Raising fish and aquatic species in controlled environments to increase food production.

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    Sustainable Forestry

    Managing forests to produce resources while maintaining biodiversity and ecosystem health.

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    Reforestation

    Restocking trees in a deforested area to restore ecosystems.

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    Prescribed Burns

    Controlled fires set intentionally to manage forest health and reduce biomass buildup.

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    Sustainability

    Using resources without harming future generations' ability to use them.

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    Developed Nations vs Developing Nations

    Developed nations consume more resources than developing countries despite slower population growth.

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    Environmental systems monitoring

    Monitoring to prevent environmental damage beyond recovery limits.

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    Renewable resources

    Resources that must not be depleted faster than they can regenerate.

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    Nonrenewable resources

    Resources that should be used sparingly due to their limited availability.

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    Sustainable development

    Balance current well-being with resource management for future generations.

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    Maximum sustainable yield

    The largest amount of a renewable resource that can be harvested sustainably.

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    Biodiversity

    Variety of life in an ecosystem; higher biodiversity equals healthier ecosystems.

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    Food production challenges

    Farming abilities affected by climate change, soil degradation, and overconsumption.

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    Atmospheric CO2

    Carbon dioxide concentration that impacts global temperatures and climate.

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    Human population impact on resources

    Growing population leads to unsustainable resource depletion and ecosystem degradation.

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    Integrated Pest Management (IPM)

    A pest control method reducing environmental disruption and pesticide use.

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    Crop rotation

    Planting different crops in sequential seasons to avoid pest outbreaks.

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    Agroforestry

    Planting vegetation to protect and enhance agricultural land against erosion.

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    Soil conservation

    Practices that prevent soil erosion while enhancing its quality and nutrients.

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    Study Notes

    Ecological Footprint

    • A measure of the land and water an individual, population, or activity requires to produce resources and process waste.
    • Typically measured in biologically productive hectares (1 ha = 2.47 acres).
    • Calculated by summing the land needed for:
      • Food consumed
      • Water used
      • Energy used
      • Clothing worn
      • Housing and transportation
    • Developed nations have larger footprints than developing nations.

    Carbon Footprint

    • A measure of greenhouse gas emissions (primarily CO2, but also methane and others) from activities.
    • Factors affecting footprints:
      • Increase: Affluence (wealth), larger houses, more travel, meat consumption, and more resource-intensive goods.
      • Decrease: Renewable energy use, public transport, plant-based diets, reduced consumption/travel/energy use.

    Sustainability

    • Using resources without jeopardizing future generations' ability to do the same.
    • Developed nations consume more resources than developing nations.
    • Earth's population of 8 billion faces resource challenges.
    • Developing nations experience faster population growth and consumption increases.

    Sustainable Development

    • Balancing human well-being and economic progress with resource management for future generations.

    Maximum Sustainable Yield (MSY)

    • The highest amount of a renewable resource that can be harvested without depleting it.
    • Roughly half the carrying capacity.
    • Maximizes resource harvest and population regeneration.

    Environmental Indicators of Sustainability

    • Measurements describing the environmental system's state/Earth.
    • Key Indicators:
      • Biodiversity (genetic, species, ecosystem): Higher biodiversity indicates healthier ecosystems.
      • Food Production: Earth's ability to support agriculture (threatened by climate change, soil degradation, groundwater depletion). Increasing meat consumption strains this system.
      • Global Surface Temperature and CO2 Concentration: Earth depends on narrow temperature ranges. Increased CO2 from deforestation and fossil fuel use is unsustainable.
      • Human Population and Resource Depletion: Growing human populations lead to unsustainable resource use.

    Integrated Pest Management (IPM)

    • Uses various pest control methods for minimal environmental disruption and pesticide use.
    • IPM methods include:
      • Crop rotation (planting different crops to prevent pest adaptation/disease).
      • Intercropping (growing different crops simultaneously to promote biological interactions).
      • Biocontrol (introducing species to consume pests).
    • IPM benefits: reduced harm to non-target species, humans, and water. However, IPM methods might be more time-consuming/costly.

    Sustainable Agriculture

    • Meets food and fiber needs whilst enhancing soil quality.
    • Sustainable practices include:
    • Soil conservation (prevention of erosion, increased nutrients).
    • Minimizing non-renewable resources.
    • Economic viability for farmers.

    Modern Sustainable Farming Techniques

    • Agroforestry: Planting vegetation as windbreaks.
    • Strip cropping: Using different spacing/rooting characteristics to prevent erosion.
    • Contour plowing: Plowing/harvesting alongside land contours.
    • Terracing: Shaping sloping land into flat steps.
    • Perennial plants: Plants that don't need replanting.
    • No-till agriculture: No plowing between seasons.
    • Green manure: Planting material for plowing.
    • Limestone: Ground calcium carbonate as fertilizer.

    Organic Agriculture

    • Crop production without synthetic pesticides/fertilizers.

    Aquaculture

    • Increasing fish production without depleting fisheries.
    • Methods: floating nets, coastal ponds, inland ponds, enclosed land structures.
    • Benefits: high yield, small land/water requirements.
    • Drawbacks: limited biodiversity, high density can cause pollution/diseases.

    Sustainable Forestry

    • Managing forests for wood production, clean water, maximum biodiversity, and carbon sequestration.
    • Methods: selective cutting, avoiding habitat fragmentation, removing diseased trees, and prescribed burning (to reduce dead biomass buildup).

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    Description

    This quiz covers the concepts of ecological and carbon footprints, exploring how individual and collective activities impact the environment. Learn about the factors that contribute to these footprints and the importance of sustainability in resource consumption. Understand the differences in footprints between developed and developing nations.

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