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DEPARTMENT OF CHEMISTRY
FACULTY OF ENGINEERING & TECHNOLOGY
SRM UNIVERSITY
LESSON PLAN
Academic year 2010 – 11
Date:18.01.2011
Sub: Principles of Environmental Science
Subj. Code: GE0104
Semester: II
Class: Common to all branches
Total No. of hours: 30
Title
Environment
and Ecosystems
Topics
Environmental Education
- Definition
- Scope
- Importance
- Objectives
Ecosystem
- Definition
- Concept of an ecosystem
- Types of ecosystem – terrestrial, aquatic
- Terrestrial ecosystem - Types
- Forest ecosystem – types and location
- Tropical, temperate forests, rainforest,
grassland, tundra, deciduous forests
- Desert ecosystem
Hot and cold deserts (climatic conditions,
animals and plants)
Aquatic ecosystems
- Types
- Aquatic ecosystem – definition
- Types – freshwater and marine
- Freshwater – lotic and lentic
- Pond, lake (plants and animals)Eutrophication
- River ecosystem
- Wetlands
- Marine ecosystem
Zones - oceanic, profundal, benthic,
intertidal, estuaries, coral reefs, salt marshes
Structure and function of an ecosystem
- Biotic components – producers, consumers
(primary, secondary and tertiary) and
decomposers with examples
- Abiotic components – light, temperature,
humidity, pH
- Nutrient cycling
- Energy flow in an ecosystem – bio
geochemical cycle Nitrogen cycle, carbon
Lecture No.
1
2
3
4
Bio diversity
cycle, oxygen cycle and water cycle
- Stability of an ecosystem
Food chain – definition
- Types – grazing, parasitic and detritus with
examples
- Food web – definition and importance
Ecological pyramids – definition
- Types – Number, biomass and energy
(upright and inverted pyramids)
- Ecological succession – definition
- Types – primary and secondary
- Stages involved
Biodiversity – Introduction, Definition
- Levels of biodiversity
- Genetic diversity – definition, explanation,
examples
- Species diversity – definition, example,
species richness, species evenness, keystone,
alien, exotic, extinct, indicator and sentinel
species
- Ecosystem diversity – definition, explanation
Value of biodiversity
- Consumptive use – explanation , example
- Productive use– explanation, example
- Social – explanation, example
- Ethical– explanation, example
- Aesthetic– explanation, example
- Option– explanation , example
Threats to biodiversity
- Main causes for reduction in biodiversity
- Habitat loss, Fragmentation, deforestation,
introduction of exotic species
- Poaching of wildlife
Endangered and Endemic species of India
- Definition
- Red data book
Conservation of biodiversity
- Explanation
- Importance
- In – situ conservation
- Explanation
- Project Tiger
- Project Elephant
- Project Rhinocerous
- Advantages
- Disadvantages
Ex – situ conservation
- Explanation
- Advantages
- Disadvantages
5
6
7
8
9
10
11
12
Pollution and
Waste
Management
Current
Environmental
Issues
Air pollution
- Classification of pollutants-Primary and
secondary
- Gases – SOx, NOx, CO, CO2, H2S- sources
causes and effects
- Particulate matter – sources, causes and
effects
Control measures of air pollution
- Gravity settling, cyclone collector,
electrostatic precipitator, wet scrubber, bag
house filters
- Internal combustion engine
- Aforestation
- Cleaning of exhaust gases
Water pollution
- Classification of pollutants
- Types of sources-Point sources and non point
sources
- Effects
Waste water treatment
- Preliminary
- Primary
- Secondary (activated sludge and trickling
filter)
- Tertiary treatment
Solid waste management- Definition
- Types of solid waste
- Classification
- Process of management
- Collection, transport, storage, disposal- Incineration
- Land filling
- Composting
- Open dumping
Effects of Municipal waste, hazardous and
biomedical waste
- Process of waste management
- Disposal methods
- Autoclaving
- Pyrolysis
- Incineration
- Microwaving
- Shredding
Environmental ethics – issues and possible solutions
Population explosion, climatic change, ozone layerdepletion
Global warming, acid rain and green house effect
Sustainable development – definition and objectives,
hurdles of sustainable development
13
14
15
16
17
18
19
20
21
22
Environmental
Protection
Environmental dimensions of sustainable
Development
Environmental audit for sustainable development
Types of environmental audit
National Concern for environment
International Concern for environment
Environmental protection acts in India
- Water act and Air act
Wild life and forest conservation act
Functions of State and Central pollution control
boards
International efforts
- Rio declaration – Agenda 21
- Vienna convention
-
Cycle Test I
Cycle Test II
Surprise Test
Attendance
Model Exam
24
25
26
27
28
29
Kyoto protocol
Johannesburg summit
Internal Marks (Max. 50)
23
30
Weightage
10
10
05
05
20
TOTAL
External Exam (Weightage Max.)
50 Marks
50 Marks