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Class Notes for Environmental Science at Dalhousie University

ENVS 1200 Lecture 5: Hydropower
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Hydropower March 3, 2015 The connection between hydropower and solar radiation is that solar radiation (water evaporation) and gravity directly flows from high elevations to low elevations. Hydropower is currently used ...

Environmental Science
ENVS 1200
Susan Gass
ENVS 1200 Lecture Notes - Lecture 3: Bottom Trawling, Overfishing, Sustainable Development
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Fisheries and Aquaculture January 13 , 2015 *Chapter 14 Fish area very important source of both income and protein worldwide. The bottom trawling does more damage than any other fishing technique. Other organisms that ...

Environmental Science
ENVS 1200
Susan Gass
ENVS 1200 Lecture Notes - Lecture 1: Keystone Species, Commercial Fishing, Ecosystem Services
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Ocean Ecosystems January 6, 2015 *Chapter 13 Ocean Ecosystems are influenced by: Depth of the water column o Sunlight supplies both heat and energy for photosynthesis and since 80% of sunli...

Environmental Science
ENVS 1200
Susan Gass
ENVS 1200 Lecture Notes - Lecture 4: Thermal Pollution, Waterborne Diseases, Nutrient Pollution
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Water Pollution January 20, 2015 *Chapter 16 Freshwater Pollution: Pollution the release of matter or energy into the environment that causes undesirable impacts on the health and well-being of humans or other organism...

Environmental Science
ENVS 1200
Susan Gass
ENVS 1200 Lecture Notes - Lecture 6: Solar Water Heating, Parabolic Trough, Parabolic Reflector
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Solar Energy March 10, 2015 What is solar energy? Solar energy approaches the earth as electromagnetic radiation in a variety of wavelengths (Ultra-violet to infra-red). Solar energy is the driving mechanism behind othe...

Environmental Science
ENVS 1200
Susan Gass
ENVS 1200 Lecture Notes - Lecture 7: Biogas, Sulfur Dioxide, Anaerobic Digestion
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Biomass Biomass is commonly converted into energy (for example, burning wood for heat or burning for electricity). Biomass can either be heated or converted to gaseous (biogas) and liquid biomass (ethanol, biodiesel) to...

Environmental Science
ENVS 1200
Susan Gass
ENVS 1200 Lecture Notes - Lecture 2: World Health Organization, France 5, Water Scarcity
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Freshwater Resources January 15, 2015 *Chapter 15 Consumer Responsibility: either creates a demand or eases pressure for food items. Freshwater is a limited resource and we are using it faster than it can be replenishe...

Environmental Science
ENVS 1200
Susan Gass
ENVS 1100 Lecture Notes - Lecture 19: Weathering, Humus, Pedogenesis
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Soils and Agriculture October 30, 2014 Soil is composed of air, water, mineral particles, organic matter, organisms, humus and roots. It is a living ecosystem. A single teaspoon of soil contains: 100 million bacter...

Environmental Science
ENVS 1100
Susan Gass
ENVS 1100 Lecture Notes - Lecture 20: Drip Irrigation, Crop Yield, Soil Fertility
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Agriculture and the Environment November 4, 2014 Main Concepts: What is agriculture and what are the past and current trends in agriculture practices? What are the consequences of agricultural practice...

Environmental Science
ENVS 1100
Susan Gass
ENVS 1100 Lecture Notes - Lecture 18: Carbon Sequestration, Rangeland, Overgrazing
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Grasslands October 28, 2014 Precipitation, temperature, grazers and abiotic factors like fire determine grasslands. Rangeland grassland used for grazing of livestock Desertification process that transforms once-fertil...

Environmental Science
ENVS 1100
Susan Gass
ENVS 1100 Lecture Notes - Lecture 14: Ozone Depletion, Thermosphere, Montreal Protocol
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Atmospheric Science and Ozone November 13, 2014 Composition of the Atmosphere: 78% nitrogen 21% oxygen 1% Argon gas and other minute concentrations of: o water vapor o carbon dioxid...

Environmental Science
ENVS 1100
Susan Gass
ENVS 1100 Lecture Notes - Lecture 9: Ecological Pyramid, Indicator Species, Ecosystem Services
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Community Ecology October 2, 2014 All the pieces of the ecological community puzzle are connected. Ecosystem all the organisms in a given area plus the physical environment in which, and with which, they interact Habit...

Environmental Science
ENVS 1100
Susan Gass
ENVS 1100 Lecture Notes - Lecture 17: Forest Ecology, Ecosystem Services, Hectare
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Forest Ecosystems and Forestry October 21, 2014 Forests cover about 33% of the Earths surface and create an important biome. Agricultural land covers around 38%. Over 3 billion of hectares have been lost from human impac...

Environmental Science
ENVS 1100
Susan Gass
ENVS 1100 Lecture Notes - Lecture 15: Shortwave Radiation, Longwave, Water Vapor
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Climate Change Global Warming November 20, 2014 Climate Change Alteration in the long-term patterns and statistical averages of meteorological events Weather Meteorological conditions in a given place on a given day C...

Environmental Science
ENVS 1100
Susan Gass
ENVS 1100 Lecture Notes - Lecture 12: Earth Summit, Climate Change Mitigation, Overfishing
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Protected Areas Planning in Nova Scotia Guest Speaker Kermit deGooyer October 23, 2014 Focus on protecting older forests with more complexity. Main threats in Nova Scotia include logging with these logging roads plowing th...

Environmental Science
ENVS 1100
Susan Gass
Laboratory Basics - Reference Guides

Lab safety is the cornerstone principle in this compelling Guide. All international safety symbols are clearly defined, with all basic lab glassware and equipment depicted by text description and diagrams. The Guide also p...

ANAT - Anatomy
ANAT 14
All Professors
Permachart - Marketing Reference Guide: National Environmental Policy Act, Municipal Solid Waste, Criteria Air Contaminants

l e a r n • r e f e r e n c e • r e v i e w permacharts TM EEnvironmental Law ENVIRONMENTAL REGULATION NATIONAL ENVIRONMENTAL POL...

LAW
LAW 356
All Professors

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