BIOL1400 ENVIRONMENTAL SCIENCE Objectives, Key Terms and Concepts KELEHER - Introduction - Understanding Our Environment Objectives: 1. Define Environmental Science and describe its human dimensions. 2. Explain some of the most important environmental problems facing the world. 3. Discuss some of the people that have shaped our ideas of resource conservation and preservation (e.g. Case Study on pp 46). Key Terms: Environment Preservation Environmental Science Sustainable development Utilitarian conservation Environmentalism Focused Concepts: A. A Closer Look – Sustainable development. What does it mean? What does it have to do with environmental science? (pp 34-35) KELEHER - The Process of Science Objectives: 1. Understand what science is, its criteria, limitations and the scientific method. 2. Compare and contrast inductive and deductive logic. 3. Why is critical thinking essential for understanding environmental science? Key Terms: Science Inductive Reasoning Natural Experiment Scientific consensus Reproducibility Hypothesis Independent variable Paradigm shift Replication Scientific theory Independent variable Sound science Deductive reasoning Probability Manipulative experiment Critical thinking Focused Concepts: A. Exploring Science – Why do Scientists Answer Questions with a Number? (pp 29) B. Data Analysis – Working with Graphs. (pp. 38-39) DREXLER – Environmental Ethics Objectives: Since philosophy in general is not about the acquisition of facts, but rather the exploration of truths and moralities through arguments made by specific, real life people who come from various perspectives, you should understand: 1. WHO thinks WHICH major argument…not just that an argument or view exists but WHO thought it. (For instance, WHO argues that sentience is important? WHO believes we should take an ecocentric view of the land? etc.) 2. The basic Roman foundations of the concept of the Commons. Key Terms: All key terms presented in the lectures. KELEHER – Systems, Chemistry, Water and Biochemical Cycles Objectives: 1. Understand what a system is and how feedback loops can affect a system. 2. Understand the basic chemistry of life (matter, elements, organic compounds, pH etc.) 3. Describe the 4 major groups of biologically important organic macromolecules. 4. List and explain the unique properties of water. 5. Describe the general steps in the primary biochemical cycles (hydrologic, carbon, nitrogen, phosphorus, and sulfur cycles) and understand how human activities are impacting these cycles. Key Terms: System Threshold Disturbance Emergent property Isotope Base Carbohydrate Open system Positive feedback Resilience Matter Compound pH Lipid Closed system Negative feedback State shift Atom Molecule Organic compound Protein Throughput Homeostasis Element Atomic number Acid Nucleotide Cell Focused Concepts: A. Exploring Science – A “Water Planet” (Page 72) KELEHER - Energy and Food Webs Objectives: 1. Explain the concept of “energy” including the types, qualities and the Laws of Thermodynamics. 2. Understand energy flow in life systems (photosynthesis, cellular respiration, food chains/webs and trophic biology). Key Terms: Energy Chemical Energy Primary producer Cellular respiration Consumer Herbivore Detritivore Kinetic Energy Thermodynamics Chemosynthesis Biological community Productivity Carnivore Decomposer Potential Energy Entropy Photosynthesis Ecosystem Biomass Omnivore Heat Population Species Producer Food web Scavenger Focused Concepts: A. A Closer Look – How do energy and matter move through systems? (Page 80) KELEHER – Evolution, Natural Selection and Taxonomy Objectives: 1. Understand evolution and the process of natural selection. 2. Explain the concept of tolerance limits (Fig 3.4) 3. Describe what and ecological niche is and the role of species in their environment. 4. Explain how new species arise via the process of speciation. 5. Understand taxonomy and the scientific name. Key Terms: Evolution Mutation Tolerance limit Competitive Exclusion Allopatric speciation Natural Selection Genetic drift Habitat Resource partitioning Sympatric speciation Adaptation Charles Darwin Ecological niche Speciation Taxonomy Focused Concepts: A. Case Study – Darwin’s Voyage of Discovery (Page 89) B. A Closer Look – Where do Species Come From? (Page 94) Selective pressure Critical factor Endemic species Geographic isolation Scientific name KELEHER - Species Interactions, and Biological Communities Objectives: 1. List and explain the primary species interactions that shape communities (competition, predation, symbiosis, keystone species). 2. Compare and contrast r-selected and K-selected species. 3. Understand species diversity and how this diversity is distributed at different scales. 4. Briefly describe the concept of community ecology in terms of succession and disturbance. Key Terms: Intraspecific competition Mullerian mimicry Parasitism Ecotone Core habitat Gross primary productivity Primary succession Interspecific competition Coevolution Symbiosis Biological diversity Fragmentation Net primary productivity Secondary succession Batesian mimicry Mutualism Predator Edge effect Complexity Stability Pioneer species Abundance Commensalism Keystone species Community structure Resilience Climax community Disturbance Focused Concepts: A. Data Analysis – Species Competition (Page 113). KELEHER – Biomes and Climate Diagrams Objectives: 1. List and describe the nine major terrestrial biomes and the environmental factors that determine their distribution. 2. List and describe the primary marine and freshwater environments and the environmental factors that determine them. Explain the role of vertical stratification in these environments. 3. Argue why each of these biomes and aquatic environments are important. Key Terms: Biome Benthic Vertical zonation Pelagic Deciduous Coral bleaching Phytoplankton Thermocline Focused Concepts: A. Climate Diagrams: Figure 5.6 (Page 118) Lecture Topic: Biological Diversity, Threats and Conservation (Keleher) Objectives: 1. Explain what biological diversity encompasses. List and explain the three “types” of biodiversity (genetic, species, ecosystem). 2. Contrast the phylogenetic and evolutionary species concepts. 3. List regions in the world that have the greatest biodiversity. 4. List and explain the major benefits of biodiversity (e.g. A Closer Look). 5. Describe the primary human-caused threats to biodiversity. 6. Provide an overview of the Endangered Species Act. 7. Compare and contrast the types of in-situ conservation strategies. 8. List the different types of ex-situ conversation facilities. 9. Understand the variations on extinction of species. Key Terms: Biodiversity Biodiversity Hot Spot Endangered species Conservation Extinction Invasive species Threatened species In-situ Conservation HIPPO Pollution Vulnerable species Ex-situ Conservation Fragmentation Overharvesting Minimum Viable Population Introduction Reintroduction Captive breeding The Living Dead Mass extinction Augmentation Recovery plan Extirpated Gap analysis Translocation Indicator species Ecologically extinct Head-start Extinct Background extinction Focused Concepts: A. Case Study: Predators Help Restore Biodiversity in Yellowstone (Page 115) B. Exploring Science: Using Telemetry to Monitor Wildlife (Page 135) Lecture Topic: Population Characteristics (Keleher) Objectives: 1. Be able to discuss the Principle of Allocation and relate this to how organisms allocate their energy. Be sure to include aspects related to reproductive effort and adult survivorship. 2. Compare and contrast r-selected species with K-selected species. 3. Be able to describe the 3 types of Survivorship Curves and give examples of organisms that tend to demonstrate each type. 4. Be able to list and describe how populations of the same species can be different (hint: there are 7 aspects). 5. Describe how age distribution graphs can be used to understand past population growth as well as be used to predict future growth. 6. Be able to draw and describe a population growth curve. What effects do fertility rate and longevity (life expectancy) have on a population’s growth curve? 7. As above, be able to describe the biotic potential of a population and how it is affected by environmental resistance factors. Adding to this the notion of extrinsic and intrinsic factors. 8. Be able to answer the question and give reasons for “Can Populations Grow Unregulated Forever?” Explain the concept of “carrying capacity”. 9. Be able to list and describe a number of population-limiting factors (environmental resistance factors). Which ones would be considered density-dependent? Density-independent? 10. Compare and contrast exponential and logistic growth. Be able to describe the growth of the human population. 11. Briefly explain what a population cycle is. Describe one of the examples presented in the lecture material. Key Terms: Life History Reproductive Effort Survivorship Curve Type III Curve Birth rate Death rate Age distribution Dispersal/emigration Population-limiting factor Decelaration phase Logistic Growth Logistic growth Principle of Allocation r-Selection Type I Curve Natality Asexual reproduction Population growth rate Abundance Immigration Lag phase Biotic Potential Carrying capacity Density-dependent Fecundity K-selection Type II Curve Mortality Sexual reproduction Sex ratio Population density Environmental resistance factor or Stable equilibrium phase Exponential Growth Exponential growth Lecture Topic: Human Population (Dastrup) Objectives: 1. Be able to describe the human population in terms of growth, birth rates (CBR), death/mortality rates (CDR and IMR), fertility rates (TFR) and population pyramids (age distributions) from several different areas of the world. 2. Be able to describe the “basic demographic equation”. 3. Explain what a Demographic Transition Model is. Describe the different stages and be able to give examples of countries that are in each of the different stages. 4. What is a population profile? Who uses these and why? 5. What is the future of human population growth? Worldwide? Different countries? Be able to describe and/or list ways of slowing human population growth. Key Terms: Crude Birth Rate Zero Population Growth Rate of Natural Increase Preindustrial Stage Medical Revolution Population Pyramid Dependency Ratio Ecumene Population Density Urbanization S-Curve Population Momentum Total Fertility Rate Crude Death Rate Rate of Population Growth High Growth Stage Low Population Neutrality Demography Doubling Time Nonecumene Physiological Density Population Projections Neo-Malthusianism Replacement Level Fertility Infant Mortality Rate Demographic Transition Model Moderate Growth Stage Population Profile Cohort Population Relocation Overpopulation Agricultural Density Thomas Malthus Homeostatic Plateau Lecture Topic: Human Geography (Dastrup) Objectives: 1. Be able to describe the different aspects of geography and in particular, human geography. 2. Explain some of the correlations in the Geographic Continuum. 3. Be able to list the core concepts (questions asked) in Geography. 4. Compare and contrast absolute and relative location, direction and distance. 5. What is Geospatial Technology? Describe some of the primary types of technology. Key Terms: Geography GPS Relative location Relative direction Natural landscape Human Geography GIS Absolute distance Site Cultural landscape Spatial variation Geographic Continuum Relative distance Situation Geospatial Revolution Remote-sensing Absolute location Absolute direction Scale Lecture Topic – Food and Agriculture (Dastrup) Objectives: 1. Be able to describe the competing ideas for and against Malthus’s theory. 2. Explain global trends in food and nutrition. Why do nutritionists worry about food security? 3. What does it mean to be chronically undernourished? How many people in the world currently suffer from this condition? 4. What conditions constitute famine? 5. List and describe the three basic crops that provide most human caloric intake. 6. Be able to explain what humans eat and the debate on if we should focus on hungry or overweight populations. 7. Compare and contrast the competing means of food production (Green Revolution, Organic Food, GMOs). 8. Describe fertile soil and the ways in which soil is abused. 9. Describe sustainable agriculture. Key Terms: Food security Soil Water-logging Famine Malnourishment Sheet erosion Rill Erosion Salinization Organophosphates Obese CAFO Gully Erosion Desertification Genetically Modified Organism (GMO) Contour Farming Strip-Farming Regenerative Farming Terracing Reduced Tillage System Key Concepts: 1. A Closer Look – How can we feed the world? – Page 232-233 Lecture Topic: Environmental Health and Toxicology (Dastrup) Objectives: 1. Be able to define health, disease and the concept of “environmental health”. 2. Describe the primary health risks that humans should worry most about. 3. Why are some emergent diseases more frequent today? 4. Describe the field of Toxicology. Explain the effects that toxins have on human health. 5. Describe how toxins are introduced, distributed and disposed of. Be able to list some of the top toxic and hazardous substances. 6. Explain the following statement by Paracelsus “The dose makes the poison.” 7. Compare and contrast chemicals that are dangerous and those that are harmless. 8. How much risk is generally acceptable? Key Terms: Health Disease Pathogen Emergent Disease Toxic Toxicology Life years Neurotoxin Fetal Alcohol Syndrome Endocrine Hormone Disrupter Chronic effect Hormesis Morbidity Ecological Disease Allergen Mutagen Bioaccumulation LD50 Synergis Mortality Environmental Health Conservation Medicine Antigen Disability-Adjusted Teratogen Carcinogen Biomagnification Persistent Organic Pollutant Acute effect Key Concepts: 1. Tips for Staying Healthy – Page 250 2. A Closer Look – What toxins and hazards are present in your home? – Page 252-253 3. Critical Thinking and Discussion Questions – Page 266. Lecture Topic: Land Use Planning (Ramjoue) Objectives: 1. Explain why most major cities are located on rivers, lakes, or the ocean. 2. Describe the forces that result in farmland adjacent to cities being converted to urban uses. 3. Explain why floodplains and wetlands are often mismanaged. 4. Describe the economic and social values involved in planning for outdoor recreation opportunities 5. Explain why some land must be designated for particular recreational uses, such as wilderness areas, and why that decision sometimes invites disagreement from those who do not wish to use the land in the designated way. 6. List the steps in the development and implementation of a land-use plan. 7. Describe methods of enforcing compliance with land-use plans. 8. Describe the advantages and disadvantages of both local and regional land-use planning. 9. Describe the concept of smart growth. Key Terms: Rural-to-Urban Shift Central City Cul-de-sac Liquefaction Urbanization Suburb Urban Sprawl Fault Zone Shantytown Urban Reverse Migration Land-Use Planning Infrastructure William Leavitt Fragmentation Sustainability Open Space Megalopolis Floodplain Greenways Transit-Oriented Design Land Trust Wasatch Choice for 2040 Mixed Use Strategy Infill Development Solar Access Protection Smart Growth Brownfield Redevelopment LEED Lecture Topic: Solid Waste (Keleher) Objectives: 1. Be able to list and describe each of the primary kinds of solid waste. 2. What is the waste stream? 3. How have we historically dealt with waste? What are the various methods of waste disposal used today? Be able to compare and contrast each of these. Be sure to include advantages and disadvantages of each. 4. What are the 3 “R”s? Explain the differences and benefits of each. Key Terms: Solid Waste Tailings Waste Stream Leachate Waste-to-energy Compost Great Pacific Garbage Patch Waste Rock Incineration Reuse Sludge Mass burn Recycle Municipal Solid Waste Energy Recovery Downcycling Key Concepts: A Closer Look – Garbage: liability or resource? Be able to provide a general explanation of each of the primary types of municipal solid waste including how much is generated, how much is recovered and where it goes. Lecture Topic: Hazardous Waste (Keleher) Objectives: 1. Be able to define and describe what a toxic or hazardous waste material is. Be sure you can list examples. 2. Where is most hazardous waste generated? 3. There are two primary laws that regulate hazardous waste? What are they? What are the primary problems facing hazardous waste regulation? 4. How is hazardous waste disposed of? 5. Describe a Superfund site. What is the Superfund? Key Terms: Hazardous waste EPA Superfund Toxic Explosive Brownfield Carcinogenic Reactive Mutagenic Corrosive Tertogenic CERCLA LECTURE TOPIC: Water Resources and Pollution Objectives 1. Briefly describe the formation and unique properties of water. 2. Be able to describe the path a water molecule will follow through each of the 4 loops in the water cycle. 3. Describe the primary water compartments on earth and the approximate resident times and size of each. Be sure to include freshwater compartments (e.g. 10.3) 4. What are the threats facing each of the primary water compartments? 5. List the primary functions that wetlands provide. 6. Why does water availability vary on earth? Which areas have the greatest water available? Who are the “have nots”? 7. Compare and contrast water withdrawal and water consumption. 8. How is water used by humans? 9. What is pollution? Water pollution? What are the primary sources of water pollution? 10. Explain the difference between point and non-point pollution. Which is harder to control? Why? (page 444 and 454) 11. Be able to list and briefly explain the types of water pollution (biological, inorganic, organic, sediment, thermal) (Pages 444-449) 12. Explain the process of biomagnification. 13. Be able to describe the primary steps in cultural eutrophication and an oxygen sag. 14. Describe the three basic steps in water treatment (page 455). 15. Briefly explain the Clean Water Act of 1972. (page 457) 16. List ways that you can save water and prevent water pollution. Key Terms: Cohesion Hydrologic cycle Water table Recharge zone Lake Water consumption Non-point source Euphotic zone Pathogen Oligotrophic Adhesion Resident time (r) Aquifer Discharge Renewable water Pollution Point source Phytoplankton Coliform bacteria Eutrophic High surface tension Zone of aeration Groundwater River John Wesley Powell Water pollution DDT Submerged plant Oxygen sag Thermal pollution Key Concepts: Case Study – When will Lake Mead Go Dry? Page 432 A Closer Look – Could Natural Systems treat our Wastewater? Page 458-459 Specific heat capacity Zone of saturation Artesian well Wetland Water withdrawal Point source Biomagnification Cultural eutrophication Dissolved oxygen Sentinal species