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Environment and Ecology Part 1.3

Lesson 3 of 18 • 1414 upvotes • 13:53 mins

Roman Saini

On heavy demand, Roman Saini restarts with the Environment and Ecology. In this video, he deals with ecosystem: its definition, components, factors responsible for interaction in an ecosystem, components of structure of ecosystem, its characteristics, types of ecosystem on basis of origin: natural and artificial, on the basis of size: mega, macro, micro, nano, components of ecosystem: biotic and abiotic, abiotic includes temperature: temperature based zonation of water bodies i.e. epilimnion, metalimnion and hypolimnion, soil: edaphic, composition of soil, loamy soil, 4 steps in humus formation, mor vs mull, types of soil CAGE- colluvial, alluvial, glacial, eolian, general soil properties, water hydrocoles, mesocoles, xerocoles; euryhaline and stenohaline and rest awesome stuff. In this video, Dr. Roman deals with Ecosystem: biotic, abiotic, interaction, biogeochemical cycles, Biosphere – Global ecosystem, Structure of ecosystem: input, transfer of energy, output, Characteristics, Types of ecosystem based on origin: Natural – Terrestrial, Aquatic - Lotic, Lentic, Artificial: Crop fiels – Monoculture, Aquarium, based on size: Mega, Macro, Micro, Nano, Components of ecosystem – Biotic, Abiotic – Temperature: Thermal stratification in lakes - Epilimnion, Metalimnion, Hypolimnion, Water: Hydrocoles, Mesocoles, Xerocoles, Euryhaline, Stenohaline, Halophytes, Neritic zone, Ox bow lake, Estuaries, Soil Edaphic factors, Composition, Soil formation – Pedogenesis, Pedology, Loamy soil, Soil organic matter, Duff, Humus, Litter, Fragmentation, Leaching, Catabolism, Humification, mineralisation, Mor, Mull, types of soil: Residual, Transported soil, Colluvial, Aluvial, Glacial, Eolian, best ph of soil, excess water logging , salinity, nutrient availability – ph of soil, alkaline soil, correction, Gypsum, Main types of soil in India - ICAR: Red, Laterite, Lateritic, black, alluvial, forest, hill, peaty, marshy, desert, saline, alkaline. Video by Unacademy for IAS Preparation. How to prepare for IAS exam, Best IAS Coaching, IAS Civil Services Syllabus, Study Material for IAS Exam, IAS Civil Services Exam, UPSC Preparation, Tips for IAS, Material for IAS Preparation, UPSC Exam Material, IAS How to prepare, Other good resources: Mrunal and Clearias , IAS preparation tips, How to prepare for IAS 2015