Environmental Studies
Author(s): Dr. Raman Sivakumar
Subject(s): Sciences
ISBN 9789394681316
 Published Date
  Pages 146

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Description

Designed to address the requirements of undergraduate students of Arts and Science, this book covers the basic aspects of environment including natural resources, ecosystem and biodiversity.

Cover
Title Page
Copyright Page
Contents
Preface
UNIT 1 Introduction to EVS - Natural Resources
1.1 Introduction to Environmental Studies
Definitions
1.2 Types of Environment
Objectives of Environmental Studies
Need of Public Awareness about Environment
1.3 Forest Resources
Introduction
Forest Classification
Importance of Forests
Role of Forests in Environmental Protection
Deforestation
Causes of Deforestation
Deforestation—Effects
Indian Forests
Deforestation—Some Facts in India
Environmental Impacts of Deforestation
Consequences of Deforestation on Environment
1.4 Water Resources
Introduction
Resources of Water
Major Water Compartments
Oceans
Ground Water
Surface Water
Wetlands
Water Availability and Use
Water Utilization
Freshwater Shortages
Over Utilization of Groundwater
Water Conservation
Dams, Reservoirs, and Canals
1.5 Mineral Resources
Introduction
Non-Metal Resources
Minerals and Rocks
Minerals
Metals
Non-Metallic Minerals
Environmental Effects of Resource Extraction
Mining
Environment Impacts of Mine Waste
1.6 Food Resources
Food Distribution Around the World and their Problems
Changes Caused by Modern Agriculture
Overgrazing
1.7 Land Use Pattern
Land Degradation
1.8 Fertilizers
Impacts on Environment
Alternatives
1.9 Pesticide
Pesticides in Agriculture
Harmful Effects of Pesticides
1.10 Case Studies
Review Questions
UNIT 2 Ecosystem, Biodiversity and its Conservation
2.1 Ecosystem
Concept of an Ecosystem
Development and Evolution of an Ecosystem
Origin and Evolution of Life
Types of Ecosystems
2.2 Structure and Function
Matter and Energy
Organic Compounds
Cells—The Fundamental Units of Life
Enzymes
2.3 Producers, Consumers and Decomposers
Producers
Consumers
Decomposers
2.4 Food Chain
2.5 Food Web
Individual Food Chains Interconnect to Form a Food Web
2.6 Ecological Pyramids
Energy Pyramid
2.7 Energy Flow
2.8 Biomes
Forest Ecosystem
Grasslands
Deserts
Aquatic Ecosystem
Freshwater Ecosystem
Wetlands
Estuaries
Coastal Marine Ecosystem
Coral Reefs
Components of Marine Ecosystem
2.9 Biodiversity
Classification
Value of Biodiversity
Measurement of Biodiversity
2.10 Biodiversity at Global Level
2.11 Biodiversity in India - Endemic
Megadiverse India
Biosphere Reserves of India
Role of Biosphere Reserve
2.12 Biodiversity Hotspots
Biodiversity Hotspots In India
2.13 Endangered, Vulnerable and Endemic Species of India
Definitions
Factors Affecting Endemic Species
2.14 Threats to Biodiversity
Habitat Destruction
Fragmentation
Hunting and Fishing
Man-Wildlife Conflict
2.15 Conservation of Biodiversity
In-Situ Conservation and Ex-Situ Conservation
Types of Conservation
In-Situ Conservation
Ex-Situ Conservation
2.16 Case Studies
Review Questions
UNIT 3 Environmental Pollution and Management
3.1 Environmental Pollution
Introduction to Environmental Pollution
Classification of Pollution
3.2 Air Pollution
Gases
Particulates
Air Pollution Control
3.3 Water Pollution
Point Source Pollution
Non-Point Pollution Sources
Sources of Water Pollution
Water Pollution Treatment
3.4 Marine Pollution
Waste Disposal
Control Measures
3.5 Land Pollution—Soil Degradation
3.6 Solid Waste Management
Waste
Urban Waste Management
Industrial Waste Management
3.7 Thermal Pollution
Introduction
Sources of Thermal Pollution
Harmful Effects of Thermal Pollution
Control of Thermal Pollution
3.8 Radioactive Pollution/Hazards
Sources of Radioactive Pollution
Effects of Radioactive Pollution
Preventive Measures from Radiation
3.9 Disaster Management
Floods
Earthquake
Tsunami
Cyclone
Landslides
3.10 Role of an Individual in Prevention of Pollution
3.11 Case Studies
Review Questions
UNIT 4 Social Issues and Human Pollution
4.1 Urban Problems Related to Energy
4.2 Water Management and Conservation
Rainwater Harvesting
Benefits of Rainwater Harvesting
4.3 Environmental Ethics
Issues and Possible Solutions
Global Population and Ethical Consideration
Environmental Ethics in India
4.4 Climate Change
The Green House Effect
4.5 Global Warming
Perspective on Global Atmospheric Change
Acid Rain
Ozone Depletion
4.6 Resettlement and Rehabilitation of People
4.7 Environmental Protection Acts
Environmental Legislation in India
Environment (Protection) Act, 1986
Air (Prevention and Control of Pollution) Act, 1981 (amended in 1987)
Water (Prevention and Control of Pollution) Act, 1974 (amended in 1988)
The Water (Prevention and Control of Pollution) Cess Act, 1977 (Amended in 1991)
Wildlife Protection Act, 1972 (Amended in 1983, 1986 & 1991)
The Forest Conservation Act, 1980 (Amended in 1988)
4.8 Population Growth
Some Observations
4.9 Population Explosion
Why Population Explosion?
An Introduction to the Human Rights Movement
Introduction to the UN Human Rights Treaty System
Summary – Human Rights
4.11 Environment and Public Health
4.12 Value Education - HIV/AIDS
Why the Knowledge of HIV and AIDS is Must?
Symptoms of Affected Persons
4.13 Information Technology and Environment
Advantages
Disadvantages
Applications of GIS
4.14 Women and Child Welfare
Women Welfare
Child Welfare
Women and Child Welfare
Women and Child Welfare in India
4.15 Case Studies
Review Questions
UNIT 5 Field Work
5.1 Local Polluted Site
Introduction
Analysis
Steps Taken to Treat Effluents
Conclusion
Suggested Activity
Index

Dr Raman Sivakumar is pressently Professor, Head of the Department of Physical Science, Bannari Amman Institute of Technology, Erode

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