Ecology Fundamentals
Topic 01: Levels of organisation, species, evolution, extinction, IUCN
Ernst HaeckelBiological Species ConceptWhittaker 5 KingdomSpeciation
GS Paper 3
Environment & Ecology
Biodiversity, climate change, environmental law, and sustainability
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Topics
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Live
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High Priority
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Done
✅ Live
Species Interactions & Functional Classes
Topic 02: Keystone, indicator, flagship, umbrella species and interactions
Keystone SpeciesIndicator SpeciesFlagship SpeciesUmbrella Species
Carrying Capacity & Population Growth
Topic 03: r/K selection, logistic growth, carrying capacity, feedback
Carrying CapacityLogistic Growthr-K SelectionPopulation Dynamics
Ecosystem Structure & Function
Topic 04: Energy flow, trophic levels, productivity, ecological pyramids
Energy FlowTrophic LevelsProductivityEcological Pyramids
Terrestrial Ecosystems & Biomes
Topic 05: Biomes, forests, grasslands, deserts, Indian vegetation types
BiomesTundraTropical ForestsGrasslands
Aquatic & Wetland Ecosystems
Topic 06: Freshwater, marine, mangroves, coral reefs, Ramsar wetlands
MangrovesCoral BleachingRamsarEstuaries
Biosphere & Biosphere Reserves
Topic 07: Biosphere concept, UNESCO MAB, core-buffer-transition zones
BiosphereUNESCO-MABCore-Buffer-TransitionNilgiri BR
Ecological Succession & Homeostasis
Topic 08: Primary/secondary succession, climax, ecological homeostasis
Ecological SuccessionHydrosereXerosereClimax Community
Organism-Environment Interactions
Topic 09: Conformers vs regulators, niche, ecotone, Bergmann's rule
ConformersRegulatorsEcotoneEcological Niche
Biogeochemical Cycles
Topic 10: Carbon, nitrogen, phosphorus, sulphur, oxygen and water cycles
Carbon CycleNitrogen CyclePhosphorus CycleEutrophication
Biodiversity Basics & Measurement
Topic 11: Genetic/species/ecosystem diversity, Shannon index, megadiverse
Genetic DiversitySpecies DiversityShannon-Wiener IndexMegadiverse
Biodiversity Loss & Threats
Topic 12: HIPPO framework, habitat loss, invasives, co-extinction
HIPPO FrameworkHabitat FragmentationInvasive SpeciesCo-extinction
In-Situ Conservation
Topic 13: Hotspots, protected areas, Project Tiger, sacred groves, MPAs
Biodiversity HotspotsProject TigerSacred GrovesMPAs
Ex-Situ Conservation & Forest Governance
Topic 14: Zoos, gene banks, CAMPA, JFM, National Forest Policy
CAMPAJoint Forest ManagementGene BanksSocial Forestry
Important Species Lists
Topic 15: Birds, mammals, aquatic and plant species — Prelims fact bank
IUCN Red ListWPA 1972Great Indian BustardSpecies Lists
Biodiversity of India
Topic 16: Biogeographic zones, Western Ghats, Gadgil & Kasturirangan
Western GhatsGadgil ReportKasturirangan ReportBiogeographic Zones
Global Warming & Ozone Depletion
Topic 17: GHGs, GWP, Montreal Protocol, Kigali Amendment, ozone hole
Greenhouse EffectGWPMontreal ProtocolKigali Amendment
Climate Change Effects — Land & Soil
Topic 18: Desertification, deforestation, soil erosion, ZBNF, UNCCD
DesertificationUNCCDSoil ErosionZBNF
Climate Change Effects — Water & Ocean
Topic 19: Groundwater, Jal Jeevan, ocean acidification, methane hydrates
GroundwaterJal Jeevan MissionAtal Bhujal YojanaOcean Acidification
Climate Mitigation & India's Response
Topic 20: NAPCC, NDC 3.0, net-zero 2070, carbon markets, green economy
NAPCCNDC 3.0Net-Zero 2070Carbon Markets
Water Pollution
Topic 21: BOD/COD, eutrophication, heavy metals, arsenic, fluoride
BOD vs CODDissolved OxygenEutrophicationArsenic
Air Pollution
Topic 22: PM2.5/PM10, photochemical smog, NAAQS, AQI, ground-level ozone
PM2.5 vs PM10Primary vs SecondaryGround-level OzoneAQI
Soil, Noise, Thermal & Radioactive Pollution
Topic 23: Heavy metals, phytoremediation, dB(A), thermal & radiation
Heavy MetalsPhytoremediationNoise PollutionThermal Pollution
Waste Management
Topic 24: Waste hierarchy, EPR, SWM 2016, SUP ban, e-waste rules
Waste HierarchyEPRSWM 2016SUP Ban
Environmental Toxicology & Pollution Diseases
Topic 25: LD50, Minamata, Itai-itai, fluorosis, arsenicosis
LD50MinamataItai-itaiFluorosis
Renewable Energy
Topic 26: 500 GW target, Panchamrit, ISA, PM-KUSUM, green hydrogen
500 GWPanchamritISAPM-KUSUM
Environmental Exploitative Practices & Issues
Topic 27: Tragedy of commons, sand mining, overfishing, desertification
Tragedy of CommonsDesertificationSand MiningOverfishing
EIA & Coal/Thermal Power Impacts
Topic 28: EIA 2006, EAC, SEIAA, EMP, fly ash management
EIA 2006EACSEIAAEMP
Indian Environmental Acts & Rules
Topic 29: EPA 1986, Wildlife 1972, Forest 1980, FRA 2006, Biodiversity 2002
EPA 1986Wildlife 1972Forest 1980FRA 2006
Indian Environmental Schemes & Missions
Topic 30: NAPCC, Namami Gange, NCAP, Green India Mission, CAMPA
NAPCCNamami GangeNCAPGreen India
Environmental Treaties & Conventions — I
Topic 31: UNFCCC, Kyoto, Paris, Montreal, Kigali
UNFCCCKyotoParisMontreal
Environmental Treaties & Conventions — II
Topic 32: CBD, Nagoya, Cartagena, CITES, CMS, Ramsar
CBDNagoyaCartagenaCITES
Conference of Parties (COP)
Topic 33: UNFCCC COPs, CMA, Paris COP21, Glasgow Pact, Loss & Damage
UNFCCCCMAParis COP21Glasgow Pact
International Environmental Organizations & Funds
Topic 34: UNEP, IPCC, IUCN, WMO, UNESCO-MAB, GEF, GCF
UNEPIPCCIUCN Red ListWMO
Indian Environmental Institutional & Ministerial Bodies
Topic 35: MoEFCC, CPCB, NGT, NBWL, NTCA, SPCBs
MoEFCCCPCBNGTNBWL
Environmental Funds & Indian NGOs
Topic 36: NCEF, CAMPA, NAFCC, green bonds, Green Credit Programme
NCEFCAMPANAFCCGreen Bonds
Environmental Movements & Campaigns
Topic 37: Bishnoi, Chipko, Appiko, Silent Valley, Narmada Bachao
BishnoiChipkoAppikoSilent Valley
Important Static Lists & Terminology
Topic 38: National parks, tiger/elephant reserves, Ramsar, biosphere reserves
National ParksTiger ReservesRamsarBiosphere Reserves
Miscellaneous & Emerging Environmental Concepts
Topic 39: CBAM, carbon budget, green hydrogen, tipping points, Karakoram anomaly
CBAMCarbon BudgetGreen HydrogenTipping Points