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Questions and Answers
Which of the following influences the development of environmental value systems?
What is an environmental value system (EVS)?
A worldview or paradigm that shapes how individuals or groups perceive and evaluate environmental issues.
Which viewpoint integrates social, spiritual, and environmental dimensions into a holistic ideal?
Anthropocentric viewpoints prioritize technological solutions to environmental problems.
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What are the three main types of environmental value systems?
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An open system exchanges both ______ and ______ across its boundary.
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What defines a model in the context of environmental systems?
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Closed systems only exchange energy and not matter across their boundaries.
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Which type of system is typically described as a hypothetical concept that does not exchange energy or matter?
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Study Notes
Environmental Value Systems
- Environmental value systems (EVS) are influenced by cultural, religious, economic, and socio-political contexts.
- Ecocentric EVS prioritizes nature and ecology, emphasizing a holistic approach with less materialism.
- Anthropocentric EVS focuses on sustainable human management of the global system using regulations and legislation.
- Technocentric EVS believes technology can solve environmental problems through scientific research and a pro-growth agenda.
- EVS spectrum ranges from ecocentric (deep ecologists) to technocentric (cornucopians).
- Different EVSs ascribe diverse intrinsic values to components of the biosphere.
Systems and Models
- Systems approach visualizes complex ecological or societal interactions and their emergent properties.
- Open systems exchange both energy and matter across their boundaries.
- Closed systems only exchange energy across their boundaries.
- Isolated systems (hypothetical) exchange neither energy nor matter.
- Ecosystems are open systems.
- Models simplify reality, helping understand system functions and predict responses to change.
- Models involve approximations and may lose accuracy.
Energy and Equilibria
- Laws of thermodynamics govern energy flow and work within a system.
- First law of thermodynamics states that energy cannot be created nor destroyed, only transformed.
- Second law of thermodynamics states that during energy transformation, some energy is always lost as heat.
- Entropy measures the disorder or randomness in a system, increasing over time.
- Steady-state equilibrium occurs when inputs and outputs are balanced, resulting in a stable system.
- Dynamic equilibrium shows fluctuations around a mean over time, indicating a stable system with some variation.
- Feedback mechanisms regulate system behavior through positive and negative feedback loops.
- Positive feedback loops amplify initial changes, potentially leading to instability.
- Negative feedback loops dampen initial changes, promoting system stability.
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Description
This quiz explores various Environmental Value Systems (EVS), including ecocentric, anthropocentric, and technocentric viewpoints. It delves into the influences of culture and politics on EVS and how these systems interact within ecological frameworks. Test your understanding of these concepts and their implications for environmental management.
