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geo 1220 week 1.pdf

4 Pages

Course Code
GEOG 1220
Richard Kuhn

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Week 1 Review: Population, Resources and the Environment 1. Human-environment interaction model: 2. Attributes of the model’s components: Population: 1. Distribution: even or compacted 2. Growth rate: ratio between birth and death rate. (0.9% for Canada) Resources: Supply available to us, is it limited? • Supply: is a natural attribute • Demand: is a human attribute • Use: is a human attribute: consumption • Acquisition: the way of obtaining the resource (and disposal) • Renew-ability: character of the resource Environmental Change: • Abiotic environment: atmosphere, air, hydrosphere, soil, lithosphere, troposphere • Biotic environment: living things 3. Factors influencing the models components: P x A x T = I (Population x Affluence x Technology = Impact) 1. Per Capita consumption: 20% of world’s population demands 80% of world’s resources (developed countries) 2. Public policy: • Population: abortion, immigration, emigration, 1 child policy, the cost of living • Resources: what is subsidized, restrictions on water use, restrictions on fishing • Environment: changing demand for more environmentally friendly products, clear cutting rules. 3. Technology: • Population: Medication, medical abilities, birth control, contraceptives • Resources: more efficient technologies that demand less resources 4. Culture/ Religion 5. Externalities: Cost of producing or using an economic good or service which is not included in the market price of the good or service. Examples: cigarettes, when you buy a car, you are paying for the end product, not how the steel was produced or how the materials were created, we don’t pay for the resulting pollution 4. Key Terms Externalities: Cost of producing or using an economic good or service which is not included in the market price of the good or service. Common Property Resources: Free and available to all people, are not owned by any person. Ex: lakes, rivers, air, sunlight Carrying Capacity: The number of organisms that can live in a long term sustained balance with the environment at a reasonable quality of life. Often applies to particular area of land, and may be defined as cultural or biological. 5. What is a resource? What are the challenges with its definition? What are various characteristics of resources? How may they be classified? Resource definition: There is no single definition that can fully encompass a resource. Resources are often culturally defined, and can be described using either the anthropocentric and/or the biocentric view. • Anthropocentric view: (functional definition) a resource does not just refer to a thing, but rather the purpose it serves. It is a value judgment based on human needs/wants • Biocentric view: rights of non-human resources supersedes those of human needs/wants. In other wo
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