| Subject | Spanish | English |
| environ. | Asociación Internacional de Ecología | International Association for Ecology |
| fin., environ. | Asociación para la Economía, la Ecología y el Desarrollo a Escala Mundial | World Economy, Ecology and Development |
| environ. | Centro Internacional de Fisiología y Ecología de los Insectos | International Centre of Insect Physiology and Ecology |
| environ. | Centro Latinoamericano de Ecología Social | Latin American Centre for Social Ecology |
| UN | Comité de Acción del Pacífico Meridional para la Ecología Humana y el Medio Ambiente | South Pacific Action Committee for Human Ecology and Environment |
| gen. | Conferencia europea sobre la ecología del trabajo | European Ecology of Work Conference |
| ed., environ. | Consejo de Ecología Humana del Commonwealth | Commonwealth Human Ecology Council |
| org.name. | Consulta de expertos sobre ecología y manejo de malezas | Expert Consultation on Weed Ecology and Management |
| med. | ecologia de las agresiones | stress ecology |
| UN | ecologìa radical | deep ecology |
| environ. | ecología acuática | aquatic ecology |
| environ. | ecología acuática | aquatic ecology The study of the relationships among aquatic living organisms and between those organisms and their environment |
| environ. | ecología agrícola | agricultural ecology |
| environ. | ecología animal | animal ecology |
| environ. | ecología animal | animal ecology A study of the relationships of animals to their environment |
| environ. | ecología aplicada | applied ecology |
| environ. | ecología aplicada | applied ecology The application of ecological principles to the solution of human problems |
| environ. | ecología científica | scientific ecology |
| environ. | ecología científica | scientific ecology The study of the interrelationship among living organisms and between organisms and their environment, utilizing the methods or theories of science |
| environ. | ecología de la energía y la rehabilitación del medio ambiente | Ecology of Energy and Environmental Renovation |
| environ. | ecología de la población | population ecology |
| environ. | ecología de la población | biodemography |
| environ. | ecología de las irradiaciones | radiation ecology |
| environ. | ecología de las irradiaciones | radioecology |
| nat.sc. | ecología de las radiaciones | radiation ecology |
| nat.sc. | ecología de las radiaciones | radioecology |
| environ. | ecología de los animales | animal ecology |
| environ., agric. | ecología de los cultivos | crop ecology |
| transp., environ. | ecología de los transportes | transport ecology |
| nat.sc. | ecología de población | population ecology |
| environ. | ecología de población | population ecology The study of the interaction of a particular species or genus population with its environment |
| nat.sc. | ecología de población | biodemography |
| environ. | ecología del paisaje | landscape ecology |
| environ. | ecología del paisaje | landscape ecology The study of landscapes taking account of the ecology of their biological populations. The subjects thus embraces geomorphology and ecology and is applied to the design and architecture of landscapes |
| IT | ecología digital | digital ecology |
| environ. | ecología forestal | forest ecology The science that deals with the relationship of forest trees to their environment, to one another, and to other plants and to animals in the forest |
| environ., agric. | ecología forestal | forest ecology |
| nat.sc., agric. | ecología forestal | silvics |
| environ. | ecología humana | human ecology |
| pharma. | Ecología humana | Human ecology |
| environ. | ecología humana | human oecology |
| environ. | ecología humana | human ecology The study of the growth, distribution, and organization of human communities relative to their interrelationships with other humans and other species and with their environment |
| environ., industr. | ecología industrial | industrial ecology |
| environ. | ecología marina | marine ecology |
| environ. | ecología marina | marine ecology An integrative science that studies the basic structural and functional relationships within and among living populations and their physical-chemical environments in marine ecosystems. Marine ecology focuses on specific organisms as well as on particular environments or physical settings |
| life.sc., environ. | ecología microbiana | molecular microbial ecology |
| life.sc., environ. | ecología microbiana | microbial ecology |
| nat.sc., environ. | ecología molecular | molecular ecology |
| environ. | ecología paisajística | landscape science |
| environ. | ecología paisajística | landscape ecology |
| environ. | ecología política | political ecology |
| social.sc., environ. | ecología social | social ecology |
| environ. | ecología terrestre | land ecology |
| environ. | ecología terrestre | land ecology Study of the relationship between terrestrial organisms and their environment |
| environ. | ecología trófica | trophic ecology |
| environ. | ecología trófica | trophic ecology The study of the feeding relationships of organisms in communities and ecosystems. Trophic links between populations represent flows of organisms, organic energy and nutrients. Trophic transfers are important in population dynamics, biogeochemistry, and ecosystem energetics |
| environ. | ecología urbana | urban ecology Concept derived from biology: the city is viewed as a total environment, as a life-supporting system for the large number of people concentrated there, and within this people organize themselves and adapt to a constantly changing environment. Regarded as the same as human ecology |
| construct., mun.plan., environ. | ecología urbana | urban ecology |
| nat.sc. | ecología vegetal | plant ecology |
| environ. | ecología vegetal | plant ecology Study of the relationships between plants and their environment |
| nat.sc. | ecología vegetal | ecology of plants |
| agric. | ecología vitícola | viticultural ecology |
| environ. | especialista en ecología vegetal | plant ecologist |
| environ. | estatuto de ecología urbana | urban ecology charter |
| environ. | estatuto de ecología urbana | urban ecology charter A graphic representation of a city area or other densely populated region, portraying the location of groups or select types of people in their environment through various geographic techniques |
| UN | estudio para determinar el estado actual de la ecología y la ordenación ambiental de la cuenca común del río Zambezi | Diagnostic Study on the Present State of Ecology and Environmental Management of the Common Zambezi River System |
| environ., polit. | Fundación "Ecología Social" | Social Ecology Foundation |
| gen. | Generación Ecología | Generation Ecology |
| org.name. | Grupo de Especialistas en Oceanografía, Ecología Marina y Recursos Vivos | Group of Specialists on Oceanography, Marine Ecology and Living Resources |
| environ. | Instituto Europeo de Ecología | European Institute for Ecology |
| environ. | Verdes-Europa-Ecología | The Greens - Europe - Ecology |
| environ., nat.res. | zona natural de especial interés desde el punto de vista de la ecología, la fauna y la flora | natural area which is of particular interest in terms of ecology or wildlife |
