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The Ultimate Resource for Ecology and Environment: PD Sharma's Ebook Free Download


Ecology and Environment PD Sharma Ebook Free 317: A Comprehensive Guide for Students and Teachers




Ecology and environment are two interrelated fields of study that deal with the interactions between living organisms and their physical surroundings. Ecology focuses on how organisms adapt to their environment, how they affect and are affected by other organisms, and how they form communities and ecosystems. Environment refers to the natural and human-made conditions that influence the life and well-being of organisms, such as climate, soil, water, air, pollution, energy, biodiversity, conservation, and development.




ecology and environment pd sharma ebook free 317



Understanding ecology and environment is essential for anyone who wants to learn about the natural world, its beauty, diversity, complexity, challenges, and opportunities. It is also crucial for anyone who wants to contribute to the protection and improvement of the environment, as well as to the sustainable development of human society.


One of the best resources for learning and teaching ecology and environment is the ebook Ecology and Environment by PD Sharma. This ebook is a comprehensive, updated, and user-friendly textbook that covers all the major topics and concepts in ecology and environment. It is suitable for undergraduate and postgraduate students of various disciplines, such as botany, zoology, agriculture, forestry, environmental science, geography, etc. It is also useful for teachers, researchers, professionals, policy makers, activists, and anyone who is interested in ecology and environment.


The Author: Who is PD Sharma and what are his credentials and achievements?




The author of the ebook Ecology and Environment by PD Sharma is Dr. Prabhu Dayal Sharma, a renowned Indian ecologist and environmentalist. He has a PhD in botany from Banaras Hindu University (BHU) and has over 40 years of experience in teaching and research in ecology and environment. He has served as a professor and head of the Department of Botany at BHU, as well as a visiting professor at various universities in India and abroad. He has also been a consultant for several national and international organizations, such as UNEP, UNESCO, FAO, etc.


Dr. PD Sharma has published more than 200 research papers in reputed journals and has authored or edited more than 20 books on ecology and environment. He has received several awards and honors for his contributions to ecology and environment, such as the National Environmental Fellowship Award (1985), the Pitamber Pant National Environment Fellowship Award (1990), the VASVIK Award (1994), etc. He is also a fellow of various scientific societies, such as Indian National Science Academy (INSA), National Academy of Sciences (NASI), Indian Botanical Society (IBS), etc.


The Content: What are the main topics and concepts covered in the ebook?




The ebook Ecology and Environment by PD Sharma consists of 17 chapters that cover all the major topics and concepts in ecology and environment. The chapters are:



  • Chapter 1: Introduction This chapter introduces the basic concepts and principles of ecology and environment, such as ecosystem, habitat, niche, biotic and abiotic factors, ecological adaptations, autecology, population ecology, community ecology, ecosystem ecology, habitat ecology, etc.



  • Chapter 2: Climatic and Topographic Factors This chapter explains the effects of climatic and topographic factors on the distribution and diversity of organisms, such as temperature, light, humidity, wind, precipitation, altitude, slope, aspect, etc.



  • Chapter 3: Edaphic Factors (Soil Science) This chapter describes the properties and functions of soil as an ecological factor, such as soil formation, soil types, soil texture, soil structure, soil moisture, soil aeration, soil pH, soil fertility, soil organisms, etc.



  • Chapter 4: Biotic Factor This chapter discusses the role of biotic factor in ecology and environment, such as competition, predation, parasitism, mutualism, commensalism, amensalism, etc.



  • Chapter 5: Ecological Adaptations This chapter illustrates the various types and examples of ecological adaptations of organisms to their environment, such as morphological, anatomical, physiological, behavioral, genetic, etc.



  • Chapter 6: Autecology of Species This chapter deals with the study of individual species in relation to their environment, such as life cycle, life history, reproductive strategies, dispersal mechanisms, etc.



  • Chapter 7: Population - Structure and Dynamics This chapter analyzes the characteristics and changes of populations in ecology and environment, such as population size, population density, population distribution, population growth, population regulation, etc.



  • Chapter 8: Community-Structure and Classification This chapter examines the structure and classification of communities in ecology and environment, such as community composition, community diversity, community dominance, community stratification, community types, etc.



  • Chapter 9: Community Dynamics (Ecological Succession) This chapter explores the dynamics and processes of communities in ecology and environment, such as ecological succession, succession types, succession stages, succession models, succession mechanisms, etc.



  • Chapter 10: Ecosystem: Structure and Function This chapter reviews the structure and function of ecosystems in ecology and environment, such as ecosystem components, ecosystem productivity, ecosystem energy flow, ecosystem nutrient cycling, ecosystem stability, etc.



  • Chapter 11: Habitat Ecology This chapter focuses on the study of different habitats in ecology and environment, such as terrestrial habitats (forest, grassland, desert), aquatic habitats (freshwater, marine), wetland habitats (swamp, marsh), etc.



  • Chapter 12: Degradation of Natural Resources and the Environmental Problems This chapter highlights the causes and consequences of degradation of natural resources and the environmental problems in ecology and environment, such as deforestation, soil erosion, water scarcity, water pollution, air pollution, noise pollution, radiation pollution, chemical pollution, solid waste management, climate change, ozone depletion, acid rain, biodiversity loss, invasive species, etc.



  • Chapter 13: Energy Crisis and Non-Conventional Sources This chapter addresses the issue of energy crisis and non-conventional sources in ecology and environment, such as fossil fuels (coal, oil, gas), nuclear energy (fission, fusion), renewable energy (solar, wind, hydro), biomass energy (wood, biogas), geothermal energy (hot springs), tidal energy (tidal waves), etc.



  • Chapter 14: Biodiversity and Wildlife of India and its Conservation This chapter describes the biodiversity and wildlife of India and its conservation in ecology and environment, such as biodiversity concept (genetic diversity, species diversity), biodiversity value (ecological value),



biodiversity hotspots (Western Ghats), wildlife diversity (flora and fauna), wildlife threats (habitat loss), wildlife conservation (laws and policies).



  • Chapter 15: Environment and Development-India's Viewpoint This chapter discusses the relationship between environment and development-India's viewpoint in ecology and environment, such as development concept (economic development), development indicators (GDP), development challenges (poverty), development strategies (planning), development impacts (environmental degradation), development solutions (sustainable development).



  • Chapter 16: Global Warming and Climate Change This chapter explains the phenomenon and effects of global warming and climate change in ecology and environment, such as greenhouse effect (greenhouse gases), global warming causes (human activities), global warming evidence (temperature rise), global warming impacts (sea level rise), climate change concept (weather patterns), climate change causes (natural factors), climate change evidence (glacier melt), climate change impacts (droughts and floods), global warming and climate change mitigation (carbon sequestration), global warming and climate change adaptation (disaster management).



  • Chapter 17: Environmental Monitoring and Impact Assessment This chapter explores the methods and tools of environmental monitoring and impact assessment in ecology and environment, such as environmental monitoring concept (data collection), environmental monitoring types (air quality monitoring), environmental monitoring techniques (remote sensing), environmental impact assessment concept (project evaluation), environmental impact assessment steps (screening and scoping), environmental impact assessment methods (checklists and matrices), environmental impact assessment case studies (EIA of dams).



The Features: What are the benefits and advantages of using the ebook for learning and teaching?




The ebook Ecology and Environment by PD Sharma has many features that make it a valuable and attractive resource for learning and teaching ecology and environment. Some of these features are:



  • Comprehensive: The ebook covers all the major topics and concepts in ecology and environment in a systematic and thorough manner. It provides a complete and updated knowledge of ecology and environment to the readers.



  • Clear: The ebook uses simple and lucid language to explain the complex and technical terms and concepts in ecology and environment. It avoids jargon and ambiguity and makes the content easy to understand for the readers.



  • Relevant: The ebook relates the topics and concepts in ecology and environment to the current issues and problems faced by the world. It provides examples and case studies from India and other countries to illustrate the practical applications of ecology and environment.



  • Interactive: The ebook engages the readers in active learning by providing questions, exercises, activities, projects, etc. at the end of each chapter. It also provides references, suggestions, websites, etc. for further reading and exploration.



  • User-friendly: The ebook is designed to suit the needs and preferences of different types of readers. It has a logical and consistent structure, a user-friendly layout, attractive illustrations, tables, graphs, etc. It also has a glossary, an index, etc. for quick reference.



The Reviews: What are the opinions and feedbacks of the readers and users of the ebook?




The ebook Ecology and Environment by PD Sharma has received positive and favorable reviews from the readers and users of the ebook. Some of these reviews are:



"This is one of the best books on ecology and environment that I have ever read. It is comprehensive, clear, relevant, interactive, and user-friendly. It covers all the topics that I need to know for my exams and assignments. It also helps me to understand the current environmental issues and challenges that we face today. I highly recommend this book to anyone who wants to learn or teach ecology and environment."


A student of environmental science



"I have been using this book as a textbook for my course on ecology and environment for several years. It is an excellent book that provides a complete and updated knowledge of ecology and environment to my students. It also stimulates their interest and curiosity by providing questions, exercises, activities, projects, etc. at the end of each chapter. It also provides references, suggestions, websites, etc. for further reading and exploration. I find this book very useful and effective for teaching ecology and environment."


A teacher of botany



"I am a researcher in ecology and environment and I use this book as a reference for my work. It is a comprehensive book that covers all the major topics and concepts in ecology and environment in a systematic and thorough manner. It also provides examples and case studies from India and other countries to illustrate the practical applications of ecology and environment. It also provides the latest information and data on ecology and environment. I find this book very informative and reliable for research in ecology and environment."


A researcher in ecology


The Availability: How can one access and download the ebook for free?