Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| acaridomatium | a habitat for mites provided by certain plants that benefit from their presence. |
| acarodomatium | a habitat for mites provided by certain plants that benefit from their presence. |
| antibiosis | a state of mutual antagonism between associated organisms. |
| autecologic | relating to autecology, the study of one species. |
| autecological | relating to autecology, the study of one species. |
| autecology | the study of the ecology of one species. |
| bathophilous | of an organism, living in very deep water. |
| bathylimnetic | of an organism, living in the depths of lakes and marshes. |
| benthoal | living on the sea bottom. |
| benthonic | living on the sea bottom. |
| benthopelagic | living just above the seabed. |
| biocenology | the branch of ecology concerned with the relationships and interactions between the members of a natural community. |
| biocenosis | an association of organisms ecologically interdependent. |
| biocoenosis | a state of association of creatures in a certain region. |
| biocontrol | pest control by biological means eg cane toads. |
| biocycle | a cycle in a living organism. |
| biodegradation | the state of being biodegraded. |
| biodegrade | to break down by biological action. |
| biodiverse | of an environment, having many different kinds of plants and animals. |
| biodiversity | the number of species present in a given ecosystem. |
| bioecology | the study of interaction of life in the environment. |
| biogeographic | relating to biogeography. |
| biogeographical | relating to biogeography. |
| biogeography | the study of the geographical distribution of plants and animals. |
| biomass | the total mass of living material in an ecosystem. |
| biome | an extensive ecological community, esp one with a dominant vegetation. |
| bionomic | concerning the relation of an organism to its environment. |
| bionomically | (Adv.) BIONOMIC. |
| bionomics | the study of organisms interacting in their environments. |
| biont | a physiologically independent living organism. |
| biontic | of or like a biont, a living organism. |
| biosocial | relating to the interaction of the biological aspects and social relationships of living organisms. |
| biosocially | (Adv.) BIOSOCIAL, of, relating to or concerned with the interaction of the biological aspects and social relationships of living organisms. |
| biosphere | the plant and animal life on the earth. |
| biospheric | relating to the biosphere, the plant and animal life on the earth. |
| biostable | not affected by the biological environment. |
| biota | (Greek) the flora and fauna of a region. |
| biotope | an area having uniform conditions and supporting a particular, uniform association of animal life. |
| clinal | pertaining to a cline, a gradual geographical change in the colour or morphology of a species. |
| clinally | (Adv.) CLINAL, pertaining to a cline, a gradual geographical change in color or morphology of a species. |
| cline | a gradual geographical change in color or morphology of a species. |
| commensalism | a relation between two kinds of organisms in which one obtains food or other benefits from the other without damaging or benefiting it. |
| consocies | a community in nature with a single dominant species. |
| consortism | symbiosis. |
| coprophilous | growing or living on dung. |
| coprozoic | living in dung. |
| disclimax | a relatively stable ecological community not progressing to climax because of the intervention of eg man. |
| disoperation | a mutually harmful relationship between two organisms in a community. |
| eco | (Short for) ecology. |
| ecocatastrophe | a major destructive upset in the balance of nature esp when caused by the action of humans. |
| ecoclimate | a local climate regarded as an ecological factor. |
| ecofriendly | respectful of the environment. |
| ecologic | relating to ecology. |
| ecological | relating to ecology. |
| ecologically | (Adv.) ECOLOGICAL, relating to ecology. |
| ecologist | a student of ecology. |
| ecology | the study of the interrelationships between life forms and their environment. |
| ecomovement | an organized movement to deal with environmental issues, reduce emissions, etc. |
| ecoregion | an area defined by its environmental conditions. |
| ecospecies | a group of ecotypes. |
| ecospecific | relating to an ecospecies. |
| ecosphere | the biosphere. |
| ecosystem | all the organisms in a particular region and the environment in which they live. |
| ecotonal | relating to an ecotone, a zone of mixed vegetation formed by the overlapping of adjoining communities. |
| ecotone | a transition area between two adjacent ecological communities. |
| ecotoxic | poisonous to the environment. |
| ecotype | a group of organisms which have adapted to a particular environment and so have become different from other groups within the species. |
| ecotypic | of or like an ecotype, a group of organisms which have adapted to a particular environment. |
| ecotypically | (Adv.) ECOTYPIC, of or like an ecotype. |
| ecozone | a regional ecosystem. |
| ecumene | an inhabited area. |
| epifauna | (Lat.) the class of animals that inhabit submerged ground and river and sea beds. |
| epifaunal | of or relating to epifauna, the class of animals that inhabit submerged ground and river and sea beds. |
| ethologic | relating to ethology, the study of animals' behavior in their natural environments. |
| ethologist | one who studies or writes upon ethology. |
| ethology | the study of animals' behavior in their natural environments. |
| eurokous | of an organism, able to live under different conditions. |
| euroky | the ability of an organism to live under various conditions. |
| eurybath | an organism that lives in a wide range of water depths. |
| eurybathic | capable of living at a wide range of depths in water. |
| euryhaline | of marine animals, tolerating a wide variation in salinity. |
| euryoecious | (Of an organism) able to live under variable conditions. |
| euryokous | of an organism, able to live under different conditions. |
| euryoky | the ability of an organism to live under variable conditions. |
| eurytherm | an organism which tolerates a wide range of temperatures. |
| eurythermal | tolerating a wide range of temperature. |
| eurythermic | tolerating a wide range of temperature. |
| eurythermous | tolerating a wide range of temperature. |
| eurytopic | tolerant of wide variation in one or more environmental factors. |
| extralimitary | not found within a given faunal area; lying outside a prescribed area. |
| extremophile | an organism that lives under extreme environmental conditions. |
| fauna | (Lat.) the animal life of a region. |
| faunal | relating to fauna, the animal life of a region. |
| faunally | (Adv.) FAUNAL, relating to fauna. |
| faunistic | relating to fauna. |
| faunistically | (Adv.) FAUNISTIC, relating to fauna. |
| fimicolous | living in or growing in animal excrement. |
| geophilous | living in or near the ground. |
| habitat | the place and conditions in which an organism lives. |
| halobiont | an organism living in a salt environment. |
| halobiontic | living in the sea. |
| halobiotic | living in the sea. |
| halophily | being adapted to salt conditions. |
| halosere | a plant community in conditions of high salinity. |
| haplobiont | an organism living in a salt environment. |
| haplobiontic | of or like a haplobiont, an organism living in a salt environment. |
| holobenthic | passing the entire life in the deep ocean. |
| humicolous | living in the soil. |
| hydrosere | an ecological sere originating in an aquatic habitat. |
| ichthyofauna | the fish life of region. |
| ichthyofaunal | of or relating to ichthyofauna. |
| indigen | one born in a country; an aboriginal animal or plant. |
| indigenous | occurring naturally in a particular region or environment. |
| indigenously | (Adv.) INDIGENOUS, occurring naturally in a particular region or environment. |
| infauna | (Lat.) the class of animals inhabiting ocean and river beds. |
| infaunal | relating to infauna, the class of animals inhabiting ocean and river beds. |
| inquiline | living with another; (noun) a creature dwelling in another creature's lair. |
| inquilinic | living with another; (noun) a creature dwelling in another creature's lair. |
| inquilinity | living in another's nest. |
| inquilinous | living in another's nest. |
| lentic | pertaining to or living in still water. |
| lignicole | growing or living in wood. |
| lignicolous | growing or living in wood. |
| limicolous | living in mud, usually applied to birds or worms. |
| limnetic | living in fresh water; pertaining to fresh water. |
| limnic | living in fresh water; pertaining to fresh water. |
| limnologic | relating to limnology, the study of bodies of fresh water. |
| limnophilous | living in ponds or marshes. |
| lithodomous | living in burrows in rocks. |
| lotic | associated with or living in running water. |
| macrobiota | the larger organisms in the soil. No -S. |
| macrobiote | a long-lived organism. |
| macrofauna | animals visible to the naked eye. |
| megafauna | the large or macroscopic animals, esp the large vertebrates, of a given area, habitat, or epoch. |
| megafaunal | relating to megafauna, large animals. |
| meiofauna | animals less than 1 mm and larger than 0.1 mm across. |
| meiofaunal | relating to the meiofauna. |
| mesic | adapted to life with a moderate supply of moisture. |
| mesically | (Adv.) MESIC, adapted to life with a moderate supply of moisture. |
| mesobenthos | flora and fauna living at the bottom of seas 182 to 914 metres deep. |
| microbiota | the smallest soil organisms. |
| microfauna | very small animals. |
| microfaunal | relating to microfauna, very small animals. |
| microhabitat | the microenvironment in which an organism lives. |
| mycotrophic | of a plant, living in symbiosis with a fungus. |
| myrmecophile | an organism that shares an ant colony. |
| myrmecophily | a symbiotic relation with ants. |
| nitrophilous | of plants, growing in a place where there is a good supply of nitrogen. |
| oecological | relating to ecology. |
| oecologically | (Adv.) OECOLOGICAL, relating to ecology. |
| oecologist | a student of oecology. |
| oligotrophic | having a deficiency of plant nutrients that is usually accompanied by an abundance of dissolved oxygen. |
| oligotrophy | the state of being oligotrophic. |
| ombrogenous | of plants, able to flourish in wet conditions. |
| ornithophily | pollination by birds. |
| overstorey | the highest level of trees in a rainforest. |
| oxyphil | an organism that thrives in a relatively acid environment. |
| oxyphile | an organism that thrives in a relatively acid environment. |
| palaeogaea | the Old World as a biological region. |
| paleoecologist | one who studies paleoecology. |
| paleoecology | a branch of ecology that is concerned with the characteristics of ancient environments and with their relationships to ancient plants and animals. |
| parasymbiosis | the symbiotic relationship that occurs between certain species of fungi and lichens. |
| parasymbiotic | relating to parasymbiosis. |
| phoresy | an association in which one animal clings to another to ensure movement from place to place, as some mites use insects. |
| phoretic | relating to phoresy, an association in which one animal clings to another to ensure movement from place to place, as some mites use insects. |
| phylloplane | the surface of a leaf considered as a habitat, esp for microorganisms. |
| phytobenthos | plants living at the bottom of water collectively. |
| piscicolous | parasitic in or on fishes. |
| piscifauna | the fish life of an area. |
| plagioclimax | the climax stage of a community, influenced by man or some other outside factor. |
| polydemic | growing in or inhabiting more than two regions. |
| prisere | the succession of vegetation that occurs in a previously unoccupied area as it passes from barren earth or water to a climax community. |
| psammophile | a sand-loving plant. |
| radicicolous | inhabiting or parasitic on roots. |
| rainforest | a complex community dominated by trees, with high rainfall, many epiphytes and lianes. |
| rasorial | given to scratching the ground to look for food. |
| refugium | (Lat.) an area that has retained earlier geographic conditions. |
| relict | a persistent remnant of an otherwise extinct population. |
| rewilding | the practice of returning areas of land to a wild state, including the reintroduction of animal species that are no longer naturally found there. |
| rheophil | living in flowing water. |
| rheophile | living in flowing water; (noun) a creature that lives in flowing water. |
| rheotaxis | the movement of an organism in response to a current of water. |
| rupicoline | living among or growing on rocks. |
| rupicolous | living among or growing on rocks. |
| saprobe | (Greek) an organism living in foul water. |
| saprobic | of or like a saprobe, an organism living in foul water. |
| saprobiotic | feeding on dead or decaying plants or animals. |
| saprobity | the degree to which the decomposition of organic material is occurring in an aquatic environment. |
| saprogenous | growing on decaying material; causing putrefaction. |
| saxicavous | boring into rocks. |
| spelaean | cave-dwelling. |
| spelean | cave-dwelling. |
| stabilate | a population preserved in a viable state though subject to extraordinary conditions eg microorganisms in deep freeze. |
| stenobathic | able to live only within a narrow range of depth of water. |
| stenohaline | of an aquatic organism, unable to withstand wide variations in salinity. |
| stenokous | able to live in a narrow range of environments. |
| stenoky | (Greek) the ability of an organism to live only under a narrow range of conditions. |
| stenotherm | an organism capable of surviving over only a narrow range of temperatures. |
| stenotopic | able to adapt only to a small range of environmental conditions. |
| stenotropic | able to adapt only to a small range of environmental conditions. |
| stercoricolous | living in dung. |
| subalpine | inhabiting the somewhat high slopes and summits of mountains, but considerably below the snow line. |
| subhumid | of a climate, too wet for xerophytic vegetation, but not wet enough for tree growth. |
| subniche | a subdivision of a habitat. |
| subniveal | under snow. |
| subnivean | under snow. |
| subsere | a secondary interrupted series of communities that succeeds an interrupted climax community. |
| subsocial | tending to associate gregariously but lacking a fixed social structure. |
| subsocially | (Adv.) SUBSOCIAL, tending to associate gregariously but lacking a fixed social structure. |
| symbion | (Greek) a symbiotic organism. |
| symbiont | (Greek) a symbiotic organism. |
| symbiontic | of or like a symbiont. |
| symbiontically | (Adv.) SYMBIONTIC, of or like a symbiont. |
| symbiosis | a relationship of mutually beneficial or dependence. |
| symbiot | (Greek) a symbiotic organism. |
| symbiote | (Greek) a symbiotic organism. |
| symbiotic | relating to symbiosis. |
| symbiotical | relating to symbiosis. |
| symbiotically | (Adv.) SYMBIOTICAL, relating to symbiosis. |
| sympatry | the state of occupying the same regions but not interbreeding. |
| symphile | an animal of another kind kept in an ants' or termites' nest. |
| symphilism | the state of being in a symbiotic relationship. |
| symphilous | of or like a symphile, an animal of another kind kept in an ants' or termites' nest. |
| symphily | living together for mutual benefit. |
| symphylous | of or like a symphile, an animal of another kind kept in an ants' or termites' nest. |
| synecologic | relating to synecology. |
| synecological | relating to synecology. |
| synecology | the study of ecological communities. |
| synoecete | a guest tolerated with indifference in an ants' or termites' nest. |
| synoecism | association of species with benefit to one and neither harm nor benefit to other. |
| synoecology | the study of ecological communities. |
| synoekete | a guest tolerated with indifference in an ants' or termites' nest. |
| terraqueous | living on both land and water. |
| terrestrial | living on land (noun) a creature living on land |
| terrestrially | (Adv.) TERRESTRIAL, living on land, as opposed to marine or aquatic. |
| terricole | a land animal or plant; a burrower. |
| terricolous | living in or on the soil. |
| timberline | the upper limit of timber trees on a mountain. |
| tubicolar | inhabiting a tube. |
| tubicole | a creature inhabiting a tube. |
| tubicolous | inhabiting a tube. |
| uliginose | slimy; oozy; growing in swampy places. |
| uliginous | slimy; oozy; growing in swampy places. |
| umwelt | (Ger.) environmental factors collectively, as affecting the behaviour of an animal or individual. |
| unecological | not ecological. |
| viticolous | living on vines. |
| waldsterben | (Ger.) disease and death in forest trees and vegetation as a result of atmospheric pollution. |
| xeriscape | (Tradename) to landscape (an arid place) in a way that conserves by using pants that require little water. |
| xerosere | a sequence of ecological communities beginning in a dry area. |
| xylogenous | growing on wood. |