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A
- Abies lasiocarpaAbies lasiocarpa, the subalpine fir or Rocky Mountain fir, is a western North American fir
- Abiotic componentNon-living factors that affect organisms and ecosystems
- Abundance (ecology)Relative representation of a species in an ecosystem
- Acclimatisation societyAssociation dedicated to introducing non-native species
- Acoustic ecologyStudy of human and environmental sounds
- Advanced Technology Vehicles Manufacturing Loan ProgramU.S. loan program
- Advertising in biologyUse of displays by organisms to signal for selective advantage
- Alcaligenes faecalisAlcaligenes faecalis is a species of Gram-negative, rod-shaped bacteria commonly found in
- Alexander WattAlexander Stuart Watt FRS(21 June 1892 – 2 March 1985) was a Scottish botanist and plant e
- AllelopathyProduction of biochemicals which affect the growth of other organisms
- Allison K. ShawAllison K. Shaw is an American ecologist and professor at the University of Minnesota. She
- Alpha diversityDiversity of species at a local scale
- Alternative stable stateEcological concept
- Altitudinal zonationNatural layering of ecosystems by elevation
- Ambush predatorPredator that hunts by surprise, as opposed to those that chase
- Animal cultureTheory of cultural learning in non-human animals
- Animal navigationAbility of many animals to find their way accurately without maps or instruments
- Aparajita DattaIndian wildlife conservationist
- Appalachian mixed mesophytic forestsTemperate broadleaf and mixed forests ecoregion of the United States
- Appalachian–Blue Ridge forestsTemperate broadleaf and mixed forests ecoregion of the United States
- Applied ecologyApplied ecology is a sub-field within ecology that considers the application of the scienc
- Arabian oryx reintroductionReintroduction of oryx to the wild
- Arthur TansleyEnglish botanist and pioneer in ecology
- AutecologyStudy of interactions of individual organisms with the environment
- Aziz Ab'SáberAziz Nacib Ab'Sáber (Portuguese pronunciation: ; October 24, 1924 – March 16, 2012) was a
B
- Behavior-altering parasiteParasitic creature
- Behavioral ecologyStudy of the evolutionary basis for animal behavior due to ecological pressures
- Benthic-pelagic couplingBenthic-pelagic coupling are processes that connect the benthic zone and the pelagic zone
- BioaccumulationGradual buildup of substances in an organism
- Biocentrism (ethics)Ethical point of view that extends inherent value to all living things
- BiocoenosisInteracting organisms living together in a habitat
- BiodiversityVariety and variability of life forms
- Biodiversity hotspotBiodiverse region under threat
- Biodiversity of BorneoThe island of Borneo is located on the Sunda Shelf, which is an extensive region in Southe
- Biodiversity of Cape TownDiversity of the natural environment of Cape Town
- Biodiversity of New CaledoniaVariety of life in the New Caledonia archipelago and its seas
- Biodiversity of New ZealandThe biodiversity of New Zealand, a large island country located in the south-western Pacif
- Biodiversity of South AfricaVariety of life within South Africa and its exclusive economic zone
- Biodiversity of WalesVariety of life in Wales
- Biogeographic regions of EuropeThe biogeographic regions of Europe are biogeographic regions defined by the European Envi
- Biological Dynamics of Forest Fragments ProjectEcological experiment established in Brazil in 1979
- BiomeBiogeographical unit with a particular biological community
- BIOS-3Closed ecosystem at the Institute of Biophysics in Krasnoyarsk, Russia
- BiosphereGlobal sum of all ecosystems on Earth
- Biosphere 2Closed ecological research center in Arizona
- Biotic Ligand ModelThe Biotic Ligand Model (BLM) is a tool used in aquatic toxicology that examines the bioav
- Biotic materialAny material originating from living organisms
- BiotopeHabitat for communities made up of populations of multiple species
- BiotransformationBiotransformation is the biochemical modification of one chemical compound or a mixture of
- Black-headed heronThe black-headed heron (Ardea melanocephala) is a wading bird of the heron family Ardeidae
- Boma National ParkBoma National Park is a protected area in eastern South Sudan near the Ethiopian border. I
- Boma–Badingilo Migratory LandscapeLand mammal migration
- British Ecological SocietyUK learned society in the field of ecology
- Buffalo CommonsProposed nature preserve in the American Great Plains
C
- CalaphidinaeCalaphidinae is a subfamily of aphids in the family Aphididae. There are more than 60 gene
- Canopy (botany)Aboveground portion of a plant community or crop
- Cascade effect (ecology)Series of secondary extinctions
- Cat predation on wildlifeInterspecies animal behavior
- Centaurea solstitialisCentaurea solstitialis, the yellow star-thistle, is a species of thorny plant in the genus
- Chemical cyclingChemical cycling describes systems of repeated circulation of chemicals between other comp
- Chemical defenseNatural anti-predator mechanism
- Chemical ecologyStudy of chemically-mediated interactions between living organisms
- CladiumCladium (fen-sedge, sawgrass or twig-sedge) is a genus of large sedges, with a nearly worl
- Climax communityMature ecological community of organisms best adapted to an area
- Climax speciesPlant species that can germinate and grow with limited resources
- Cline (biology)Gradual variation of the characteristics of a species along its territory
- Closed ecological systemEcosystem that does not exchange matter with the exterior
- Clumping (biology)Biological behavior
- Coarse woody debrisDead wood in terrestrial environments
- Coleford, GloucestershireColeford is a market town in the west of the Forest of Dean, Gloucestershire, England, two
- Collapse of the Atlantic northwest cod fisheryEnvironmental disaster in Canada and New England
- Collective animal behaviorAnimal cognition
- Colonisation (biology)Spread of a species to new areas
- Competition (biology)Type of species interaction
- Competitive exclusion principleEcology proposition
- Coniferous swampForested wetlands dominated by conifers
- Conservation parks of New ZealandConservation park is a type of specially protected land status held by the Crown in New Ze
- Consumer (food chain)Living creatures that eat organisms from a different population
- Consumer–resource interactionsDietary interactions between species
- Copenhagen AccordInternational agreement to fight global warming
- Coral reef restorationCoral reef restoration involves natural and anthropogenic processes to restore damaged cor
- Coupled human–environment systemConcept in ecology
- CrypsisAspect of animal behaviour and morphology
D
- Dam removalProcess of demolishing a dam
- DataONEDataONE is a network of interoperable data repositories facilitating data sharing, data di
- David Orton (deep ecology)David Keith Orton (January 6, 1934 – May 12, 2011) was a Canadian writer, thinker and envi
- Dead zone (ecology)Low-oxygen areas in coastal zones and lakes caused by eutrophication
- Deborah Martin-DownsCanadian aquatic biologist
- Decline in insect populationsEcological trend recorded since the late 20th century
- DefaunationLoss or extinctions of animals in the forests
- DenitrificationReduction of nitrate as a form of anaerobic respiration
- Density dependenceConcept in population ecology
- Desert ecologyStudy of interactions between both biotic and abiotic components of desert environments
- Desiccation toleranceAbility of an organism to withstand dryness
- Dhodial PheasantryDhodial Pheasantry (or Dhodial Pheasant Center) is a pheasantry and breeding center for se
- Dietary biology of the brown bearDiet of brown bear
- Dietary biology of the golden eagleHunting and dietary habits of the golden eagle
- Disease ecologySub-discipline of ecology
- Diversity indexHow many different types are in a dataset
- Dominance hierarchyType of socially subordinate ranking
E
- Echium vulgareEchium vulgare, known as viper's bugloss and blueweed, is a species of flowering plant in
- Eco-socialismIdeology merging socialism with green politics
- EcocentrismStance of environmentalism that values should be centered around nature, not humanity
- EcoinformaticsEcoinformatics, or ecological informatics, is the science of information in ecology and en
- Ecological artGenre of art engaging ecological systems
- Ecological assessmentEcological assessment (EA) implies the monitoring of ecological resources, to discover the
- Ecological competenceEcological competence is a term that has several different meanings that are dependent on
- Ecological debtEnvironmental debt between Global North and South
- Ecological effects of biodiversityThe diversity of species and genes in ecological communities affects the functioning of th
- Ecological efficiencyEfficiency of energy transfer from one trophic level to next
- Ecological engineeringEnvironmental engineering
- Ecological extinctionEcology term
- Ecological facilitationType of species interaction
- Ecological forecastingEcological forecasting uses knowledge of physics, ecology and physiology to predict how ec
- Ecological indicatorAttributes of ecosystems which signify their health
- Ecological inheritanceEcological inheritance occurs when an organism's offspring inhabit a modified environment
- Ecological networkRepresentation of the biotic interactions in an ecosystem
- Ecological nicheConcept in ecology
- Ecological stabilityWhen an ecosystem does not drastically change over time even after perturbation
- Ecological stoichiometryField of study
- Ecological thresholdEcological inflection points
- Ecological trapPhenomenon in which species sometimes prefer low-quality habitat
- Ecological triageEcological triage refers to the decision making of environmental conservation using the co
- Ecological unitEcological units refer to specific levels or degrees of organization within ecological sys
- EcologyStudy of organisms and their environment
- Ecology FlagAmerican cultural symbol
- Ecology of fearConceptual framework describing predator-stress
- Ecology of the HimalayasThe ecology of the Himalayas varies with climate, rainfall, altitude, and soils. The clima
- Ecology of the North CascadesEcosystems of the mountain range on the Washington–British Columbia border
- Ecology of the Rocky MountainsEcology of the Rocky Mountain range in North America
- Ecology of the San Francisco EstuaryThe San Francisco Estuary together with the Sacramento–San Joaquin River Delta represents
- EcomorphologyRelation between ecologicals role of individual and morphologic adaptations
- Economics of biodiversityEconomic importance of biodiversity
- EcoregionEcological and geographical area
- Ecosphere (aquarium)Sealed blown-glass miniature aquaria
- EcosystemCommunity of living organisms together with the nonliving components of their environment
- Ecosystem ecologyStudy of living and non-living components of ecosystems and their interactions
- Ecosystem managementNatural resource management
- Ecosystem of the North Pacific Subtropical GyreMajor circulating ecosystem of ocean currents
- Ecosystem structureSpatial arrangement and interrelationships of components within an ecosystem
- EcotoneTransition area between two biological communities
- EcotoxicologyStudy of toxic chemicals and its effect on the environment
- EcotypeClassification of distinct populations lesser than subspecies
- EctosymbiosisSymbiosis in which the symbiont lives on the body surface of the host
- Effects of parasitic worms on the immune systemThe effects of parasitic worms, or helminths, on the immune system is a recently emerging
- ElectroejaculationProcedure in human and veterinary medicine
- Ellsworth, New HampshireEllsworth is a town in Grafton County, New Hampshire, United States. The population was 93
- Endangered speciesSpecies of some organisms facing a very high risk of extinction
- Endangered Species Act of 1973United States law
- Endangered species recovery planPlan to recover population sizes
- Energy budgetBalance of energy income against expenditure
- Environmental gradientAn environmental gradient, or climate gradient, is a change in abiotic (non-living) factor
- Environmental mitigationEnvironmental mitigation refers to the process by which measures to avoid, minimise, or co
- Erigeron aureusErigeron aureus, the Alpine yellow fleabane, is a species of flowering plant in the family
- ExclosureArea protected from livestock grazing
- ExtinctionTermination of a species' lineage
- Extinction debtFuture extinction of species due to events in the past
- ExtremophileOrganisms capable of living in extreme environments
F
- Fauna of BangladeshThe fauna of Bangladesh includes about 1,600 species of vertebrate fauna and about 1,000 s
- Fauna of IndonesiaNative animals of Indonesia
- FecundityNatural capability to produce offspring
- Filial cannibalismConsumption of one's own offspring
- Fire ecologyStudy of fire in ecosystems
- Flightless dung beetleThe flightless dung beetle (Circellium bacchus) is a species of dung beetle endemic to a f
- Flora of PakistanPakistan's native flora reflects its varied climatic zones, which range from arid and semi
- Forest Conservation Act, 1980Act of the Parliament of India
- Forest coverAmount of land area covered by forest
- Forest of DeanGeographical, historical and cultural region in England
- Forest pathologySubfield of forestry and plant pathology
- Forestry in BangladeshWood is the main fuel for cooking and other domestic requirements. It is not surprising th
- Forestry in RomaniaForestry in Romania is an important sector of the economy and is of global significance. H
- FossorialAnimal adapted to digging and living underground
- Frank W. PrestonFrank W. Preston (May 14, 1896 – March 1, 1989) was an English-American engineer, ecologis
- Fringing reefType of coral reef
- FrugivoreOrganism that eats mostly fruit
- Functional ecologyBranch of ecology
- Functional group (ecology)A functional group is a collection of organisms that share characteristics within a commun
- Functional responseEcological concept; intake rate of a consumer as a function of food density
G
- Game lawRegulations for hunting
- Garcinia xanthochymusGarcinia xanthochymus, the false mangosteen, gamboge, yellow mangosteen, Himalayan Garcini
- Generalist and specialist speciesSpecies that is able to thrive in a wide variety of environmental conditions
- Geography and ecology of the EvergladesNatural environment in southern Florida, US
- Geranium sanguineumGeranium sanguineum, common name bloody crane's-bill or bloody geranium, is a species of h
- Global biodiversityTotal variability of Earth's life forms
- Global Biodiversity Framework FundGlobal biodiversity conservation fund
- GonochorismState of having just one sex in any individual organism
- Grace BerlinAmerican ecologist, ornithologist and historian
- Gravidity and parityNumber of times a female has given birth to a baby
- Grazing pressureGrazing pressure is defined as the number of grazing animals of a specified class (age, sp
- Greater Yellowstone EcosystemEcosystem in the Rocky Mountains
- GummivoreAnimals that feed on the gum or sap of trees
H
- HabitatType of environment in which an organism lives
- Hammar MarshesMarshes in Southern Iraq; a UNESCO World Heritage Site
- Hammock (ecology)Type of ecosystem in the southeastern United States
- Heinrich WalterHeinrich Karl Walter (21 October 1898 – 15 October 1989) was a German-Russian botanist and
- Hemispherical photographyHemispherical photography, also known as canopy photography, is a technique to estimate so
- Henarathgoda Botanical GardenHenarathgoda Botanical Garden, also known as Gampaha Botanical Garden, is one of the six b
- High marshHigh marsh is a tidal marsh zone located above the Mean Highwater Mark (MHW) which, in con
- History of Central European forestsThe history of Central European forests is characterised by thousands of years of exploita
- Holistic communityEcosystem in which species are interdependent
- HolobiontHost and associated species living as a discrete ecological unit
- HookwormParasitic roundworm
- Hubbard Brook Experimental ForestArea of land in New Hampshire, U.S.
- Human ecologyStudy of humans and their environment
- Hunting strategyTactic used to target, pursue, and kill an animal
- HydrobiologyScience of life and life processes in water
- HyperparasiteParasite of another parasite
I
- Idaho BatholithThe Idaho Batholith is a granitic and granodioritic batholith of Cretaceous-Paleogene age
- Idaho Batholith ecoregionEcoregion in Idaho and Montana, United States
- Insect ecologyStudy of how insects interact with their environments
- Intermediate disturbance hypothesisEcological hypothesis about species diversity
- Interspecific competitionEcological competition between different species
- Intertidal ecologyStudy of ecosystems, where organisms live between the low and high tide lines
- Intraspecific competitionEcological competition between organisms of the same species
- Invasive speciesIntroduced species that harms its new environment
- Island restorationEcological restoration of islands and island groups
- IUCN Red List endangered species (Animalia)Animals classified as endangered by the IUCN
J
L
- Land bridgeConnection between two landform bodies
- Landscape connectivityIn landscape ecology, landscape connectivity is, broadly, "the degree to which the landsca
- Landscape-scale conservationHolistic approach to landscape management
- Latitudinal gradients in species diversityGlobal increase in species richness from polar regions to tropics
- Laurel forestType of subtropical forest
- Leaf area indexDimensionless quantity that characterizes plant canopies
- Leopold Report1964 report on wildlife management in US National Parks
- Lethocerus patruelisLethocerus patruelis is a giant water bug in the family Belostomatidae. It is native to so
- Liebig's law of the minimumGrowth is limited by the scarcest resource
- Lierre KeithAmerican radical feminist
- Limnetic zonePhotic zone above the benthic zone in a freestanding body of water
- Liparis loeseliiLiparis loeselii, the fen orchid, yellow widelip orchid, or bog twayblade, is a species of
- Long Term Ecological Research NetworkNetwork of researchers studying ecological processes
- Louis J. GrossLouis J. Gross (born January 6, 1952) is distinguished professor of ecology and evolutiona
- Low marshLow marsh is a tidal marsh zone located below the Mean Highwater Mark (MHM). Based on elev
M
- MacrobenthosOrganisms that live at the bottom of a water column
- MacroecologyStudy of relationships between organisms and their environment at large spatial scales
- Magelona dakiniMagelona dakini is a small, thin, shovel-nosed burrowing worm with limited mobility. Adult
- Malthusian growth modelExponential growth based on a constant rate
- Marine conservationProtection and preservation of saltwater ecosystems
- Marine food webMarine consumer-resource system
- Mark and recaptureAnimal population estimation method
- Material flow analysisAnalysis of the movement of substances within various systems
- MautamCyclic ecological phenomenon
- Measurement of biodiversityEmpirical measurement
- Mediterranean Biogeographic RegionThe Mediterranean Biogeographic Region is the biogeographic region around and including th
- Mercedes PascualUruguayan theoretical ecologist
- Mercury cycleBiogeochemical cycle
- Metabolic theory of ecologyTheory concerning metabolism and observed patterns in ecology
- MetacommunityGroup of communities in ecology
- MicroecologyMicrobial ecology or ecology of a microhabitat
- Microsite (ecology)A microsite is a term used in ecology to describe a pocket within an environment with uniq
- MilpaMesoamerican crop growing system
- MinerotrophicMinerotrophic refers to environments that receive nutrients primarily through groundwater
- Minimum viable populationSmallest size a biological population can exist without facing extinction
- Mirijjawila Botanical GardenMirijjawila Botanical Garden is one of the five botanical gardens in Sri Lanka. The other
- Mitigation bankingMitigation banking is a market-based system of debits and credits (used primarily in the U
- Molecular ecologySubdiscipline of ecology
- Mongalla gazelleThe Mongalla gazelle (Eudorcas albonotata) is a species of gazelle found in the floodplain
- Montana valley and foothill grasslandsThe Montana valley and foothill grasslands are an ecoregion of northwestern North America
- Mount AnneMount Anne is a mountain located in the Southwest National Park in south-west region of Ta
- Movile CaveCave in Constanța County, Romania
- MycobiotaFungi present in a certain place
- MyrmecochorySeed dispersal by ants
- MyrmecophilusMyrmecophilus or ant crickets, is a genus of orthopteran insects in the family Myrmecophil
- MyrmecophilyPositive interspecies associations between ants and other organisms
N
- National Biodiversity Centre (Singapore)1°19′00″N 103°49′02″E / 1.3167°N 103.8171°E
- National Center for Ecological Analysis and SynthesisThe National Center for Ecological Analysis and Synthesis (NCEAS) is a research center at
- National Ecological Observatory NetworkOrganization providing ecological data in the United States
- NativarA nativar is a horticulturally bred strain of a plant species, and distinguishes them from
- Native speciesSpecies indigenous to a given area in geologic time
- Naturalisation (biology)Ecological processes
- Nature Conservation FoundationThe Nature Conservation Foundation is a non-governmental wildlife conservation and researc
- Nature fakers controversyAcademic debate
- Nepal gray langurThe Nepal gray langur (Semnopithecus schistaceus) is a gray langur endemic to the Himalaya
- Nepenthes jambanNepenthes jamban ( ni-PEN-theez JUM-bən, not * JAM-bən) is a tropical pitcher plant endemi
- Nepenthes lingulataNepenthes lingulata is a tropical pitcher plant endemic to northern Sumatra. The species i
- Niche apportionment modelsBiological models used to explain relative species abundance distributions
- Nitrous-oxide reductaseIn enzymology, a nitrous oxide reductase also known as nitrogen:acceptor oxidoreductase (N
- No net loss policy in the United StatesEnvironmental policy goal for wetland conservation in the United States
- No-analog (ecology)In paleoecology and ecological forecasting, a no-analog community or climate is one that i
- North Central Rockies forestsThe North Central Rockies forests is a temperate coniferous forest ecoregion of Canada and
- North Wales Wildlife TrustThe North Wales Wildlife Trust (NWWT) (Welsh: Ymddiriedolaeth Natur Gogledd Cymru) is the
- Northwest Atlantic Fisheries OrganizationInternational fisheries management organization
- Nutrient cycleSet of processes exchanging nutrients between parts of a system
O
- Occupancy–abundance relationshipEcological relationship between species' range sizes and abundance
- Old field (ecology)Land formerly cultivated or grazed but later abandoned
- Old-growth forestForest that has developed over a long period of time without disturbance
- Olga F. LinaresPanamanian–American academic anthropologist and archaeologist
- Ontogenetic niche shiftEcological phenomenon
- OR-7OR-7, also known as Journey, was a male gray wolf that was electronically tracked as he mi
- OrnithophilyPollination by birds
P
- Parasitic castrationOne strategy of parasitism
- ParasitismType of interaction between species
- ParasitoidOrganism that lives with its host and kills it
- Patella ferrugineaPatella ferruginea, commonly known as the ferruginous limpet (sometimes, as the ribbed Med
- Payment for ecosystem servicesIncentives offered to farmers or landowners
- Persistent, bioaccumulative and toxic substancesClass of chemical compounds
- Phage ecologyInteraction of bacteriophages with their environments
- PhoresisTemporary commensalism for transport
- PhytosociologyEmpirical study of plant growth in communities
- Pine barrensType of ecoregion or plant community
- Pinyon–juniper woodlandBiome of Western United States higher elevation deserts
- Pioneer speciesFirst species to colonize or inhabit damaged ecosystems
- PiscivoreOrganism that eats mostly or exclusively fish tissue
- PitohuiThe pitohuis are bird species endemic to New Guinea. The onomatopoeic name is thought to b
- Plant communityCollection of native photosynthetic organisms
- Plant coverRelative area covered by different plant species in a small plot
- Plant ecologyStudy of effect of the environment on the abundance and distribution of plants
- Plant strategiesSurvival and reproduction mechanisms used by plants
- Plantesamfund1895 Danish book by Eugen Warming
- PlantlifePlantlife is a wild plant conservation charity. As of 2023, it manages 24 nature reserves
- Plot samplingIn ecology, plot sampling is a widely used method of abundance estimation in which specifi
- Polar ecologyRelationship between plants and animals and a polar environment
- Pollinator declineReduction in abundance of insect and other animal pollinators
- Population (biology)Group of individuals of a species, separated from other groups by in some manner
- Population cycleCyclical change in a species' population
- Population geographyBranch of human geography
- Population sizeTotal number of individuals in a defined group or area
- Population viability analysisEcological measurement of extinction risk
- Post-Scarcity Anarchism1971 book by Murray Bookchin
- Predation problemConsideration of predation as a moral problem
- Predator satiationAnti-predator adaption
- Prey switchingEcological concept
- Productivity (ecology)Rate of generation of biomass in an ecosystem
- Professional hunterPerson who hunts and/or manages game by profession
- Profundal zoneThe profundal zone is the deep zone of a lake, located below the range of effective light
- Protected areas of Sri LankaProtected areas of Sri Lanka are administrated by Department of Forest Conservation and De
- PseudopregnancyFetus-free apparent pregnancy
- PteromalidaeThe Pteromalidae are a large family of wasps, the majority being parasitoids of other inse
- PyrogeographyStudy of the distribution of wildfires
R
- RadioecologyEcology concerning radioactivity within ecosystems
- Railroad ecologyStudy of organisms by railroads
- Rare speciesGroup of organisms that are very uncommon, scarce, or infrequently encountered
- Recreation ecologyRecreation ecology is the scientific study of environmental impacts resulting from recreat
- Recruitment (biology)Three biological processes
- Reed bedHabitats formed by reed colonies in floodplains and estuaries
- Regeneration (ecology)Ability of an ecosystem to recover from damage
- Regime shiftAbrupt changes in structure and function of systems
- Relative species abundanceConcept in ecology
- Repopulation of wolves in CaliforniaNatural resettlement of wolves into California, US
- Rescue effectEcological phenomenon
- Resilience of coral reefsThe resilience of coral reefs is the capacity of coral reefs to resist natural and anthrop
- Resource (biology)In biology and ecology, a resource is a substance or object in the environment required by
- Ridiyagama Safari ParkRidiyagama Safari Park is 500 acre safari park, zoo in Ridiyagama area of Hambantota Distr
- Riparian forestForested or wooded area of land adjacent to a body of water
- RiverfrontRegion along a river
- Robert H. MacArthur AwardThe Robert H. MacArthur Award is a biennial prize given by the Ecological Society of Ameri
- Rocky Mountain bark beetle infestationOngoing environmental disaster
- Ronald LockleyRonald Mathias Lockley (8 November 1903 – 12 April 2000) was a Welsh ornithologist and nat
- Royal Botanic Gardens, PeradeniyaRoyal Botanic Gardens, Peradeniya are about 5.5 km to the west of the city of Kandy in the
- Royal New Zealand Society for the Prevention of Cruelty to AnimalsThe Royal New Zealand Society for the Prevention of Cruelty to Animals (abbreviated as RNZ
S
- Safety in numbersHypothesis
- Sand dune ecologyInteractions of sand dunes
- Saudi gazelleThe Saudi gazelle (Gazella saudiya) is a Gazella species that was once native to the Arabi
- Save the BayNonprofit organization in California, US
- SclerophyllType of plant/vegetation
- Scramble competitionIn ecology, scramble competition (or complete symmetric competition or exploitation compet
- Seasonal breederAnimal species that successfully mate during certain times of year
- SeaWiFSSatellite-borne sensor designed to collect global ocean biological data
- Secondary forestForest or woodland area which has re-grown after a timber harvest
- Secondary successionRedevelopment of an ecology after an event that changes it radically
- Seed predationFeeding mainly on seeds
- Semen collectionSemen collection refers to the process of obtaining semen from human males or other animal
- SemiochemicalBiological signaling substance
- SerotinySeed release in response to environment
- Serpentine soilSoil type
- Shade toleranceIn ecology, shade tolerance is a plant's ability to tolerate low light levels. The term is
- Shortgrass prairieEcosystem located on the North American Great Plains
- Simon A. LevinAmerican ecologist
- Sky quality meterInstrument used to measure the luminance of the night sky
- SLOSS debateDebate in ecology and conservation biology
- Snow Leopard TrustThe Snow Leopard Trust is the largest and oldest organization working solely to protect th
- Society for Ecological RestorationUS non-profit organization
- Soil ecologyStudy of the interaction of soil and life
- South-Central Interior Mesophytic ForestType of forest
- Southeastern mixed forestsThe Southeastern mixed forests are an ecoregion of the temperate broadleaf and mixed fores
- Southern Arctic Ecozone (CEC)The Southern Arctic Ecozone, as defined by the Commission for Environmental Cooperation (C
- Spatial ecologyStudy of the distribution or space occupied by species
- Species reintroductionWildlife conservation technique
- Species translocationHuman relocation of plants or animals
- Species–area relationshipBiodiversity ratio in ecology
- Sponge reefReefs produced by sea sponges
- StigmergySocial network mechanism of indirect coordination
- Stream ecologyStream ecology is the scientific study of the aquatic species, their interactions with one
- Stream restorationWork to improve the environmental health of a river or stream
- SuperbloomBotanical phenomenon
- SuperfetationSimultaneous presence of multiple stages of developing offspring in one animal
- Susan Harrison (ecologist)Professor of ecology
- SustainabilitySocietal goal and normative concept
- SymbiodiniumGenus of dinoflagellates (algae)
- SymbiosisEcological interaction between taxa
- Sympagic ecologyEcology of ice and snow
- SympatryCoexistence of different taxa in the same environment
- SynanthropeWild animal or plant that lives near and benefits from people
T
- Taiga CordilleraEcosystem in Canada
- TaxodiumTaxodium is a genus of one to three species (depending on taxonomic opinion) of extremely
- Taxon cycleTaxon cycles refer to a biogeographical theory of how species evolve through range expansi
- Taxonomic impedimentTerm referencing limited taxonomic expertise
- Taylor's lawEmpirical law on the variance of species in a habitat
- Terrestrial animalAnimals living on land
- The Theory of Island Biogeography1967 book by Robert MacArthur and Edward O. Wilson
- Theoretical ecologyScientific discipline
- Thermal neutral zoneMinimal metabolic regulation to retain ambient core body temperature
- Tourism carrying capacityMaximum visitors that a resort can accept
- Trash interceptorDevice on a river to capture debris
- Tree lineEdge of the habitat at which trees are capable of growing
- Trees of PakistanIn Pakistan, more than 430 tree species are distributed over 82 families and 226 genera. O
- TrioecyPresence of males, females, and hermaphrodites in a population
- Tropical ecologyStudy of the relationships between the biotic and abiotic components of the tropics
- Tropical vegetationVegetation in tropical latitude
U
- UnderstoryPlant life growing beneath a forest canopy
- Underwater camouflageCamouflage in water, mainly by transparency, reflection, counter-illumination
- Unified neutral theory of biodiversityTheory of evolutionary biology
- United Nations Framework Classification for ResourcesUnited Nations Framework Classification for Resources (UNFC) is an international scheme fo
- United Nations Resource Management SystemThe United Nations Resource Management System (UNRMS) is a voluntary global standard for m
- Universal adaptive strategy theoryTheoretical ecology
- Uroplatus sikoraeUroplatus sikorae, commonly referred to as the mossy leaf-tailed gecko or the southern fla
V
- Vacant nicheA vacant niche or empty niche is an ecological niche in a particular ecosystem that is not
- Vegetation of open habitats in the British National Vegetation Classification systemUK plant community type
- VivariumA vivarium (Latin for 'place of life'; pl. vivaria or vivariums) is an area, usually enclo
W
- West Dean, GloucestershireWest Dean is a civil parish, situated in the Forest of Dean district of Gloucestershire, E
- Western Allegheny Plateau (ecoregion)Ecoregion in the United States
- Western toadThe western toad (Anaxyrus boreas) is a large toad species, between 5.6 and 13 cm (2.2 and
- Wetland conservation in the United StatesOver the past 200 years, the United States has lost more than 50% of its wetlands. And eve
- White-browed nuthatchThe white-browed nuthatch (Sitta victoriae), also known as the Victoria nuthatch, is a spe
- Wildfire suppressionWildfire suppression efforts depend on many factors such as the available fuels, atmospher
- Wildlife conservationHuman Practice of protecting wild plant and animal species and their habitats
- Wildlife gardenEnvironment created as a habitat for surrounding wildlife
- Wildlife law in England and WalesWildlife law in England and Wales is the law relating to the protection of wildlife in Eng
- Wildlife observationProcess of noting the occurrence of animals
- Wildlife of AfghanistanAfghanistan has long been known for diverse wildlife. Many of the larger mammals in the co
- Wildlife of BhutanThe Kingdom of Bhutan is a small, landlocked nation nestled in the southern slopes of the
- Wildlife of BrazilThe wildlife of Brazil comprises all naturally occurring animals, plants, and fungi in Bra
- Wildlife of ChinaChina's vast and diverse landscape is home to a profound variety and abundance of wildlife
- Wildlife of GreeceThe wildlife of Greece includes the diverse flora, fauna, and funga of Greece, a country i
- Wildlife of IranThe wildlife of Iran include the fauna and flora of Iran.
- Wildlife of IraqThe wildlife of Iraq includes its flora and fauna and their natural habitats. Iraq has mul
- Wildlife of MyanmarThe wildlife of Myanmar includes a diverse range of flora and fauna and natural habitats.
- Wildlife of NigeriaThe wildlife of Nigeria consists of the flora and fauna of this country in West Africa. Ni
- Wildlife of NorwayThe wildlife of Norway includes the diverse flora and fauna of Norway. The habitats includ
- Wildlife of PakistanThe wildlife of Pakistan comprises a diverse flora and fauna across a wide range of habita
- Wildlife of South KoreaThe wildlife of South Korea includes 8,271 plant species, 18,117 animal species and 3,528
- Wildlife of SpainThe wildlife of Spain includes the diverse flora and fauna of Spain. The country located a
- Wildlife of Sri LankaThe wildlife of Sri Lanka includes its flora and fauna and their natural habitats. Sri Lan
- Wildlife of SwedenLocated in the Scandinavian Peninsula, Sweden is a mountainous country dominated by lakes
- Wildlife of the MaldivesThe wildlife of the Maldives includes the flora and fauna of the islands, reefs, and the s
- Wildlife of ZambiaThe wildlife of Zambia refers to the natural flora and fauna of Zambia. This article provi
- Wildlife populationA wildlife population or species population is the concept of "population" applied to any
- William C. ClarkWilliam Cummin Clark is the Harvey Brooks Professor of International Science, Public Polic
- Wolf distributionSpecies distribution of Canis lupus
- Wolves and moose on Isle RoyalePredator-prey relationship
- Woodstock, New HampshireWoodstock is a town in Grafton County, New Hampshire, United States. The population was 1,
- World Geographical Scheme for Recording Plant DistributionsBiogeographical system
- World Soundscape ProjectInternational research project