Ecological footprint — The ecological footprint is a measure of human demand on the Earth s ecosystems. It is a standardized measure of demand for natural capital that may be contrasted with the planet s ecological capacity to regenerate.[1] It represents the amount of … Wikipedia
Ecological niche — Black smokers create ecological niches with their unusual environment In ecology, a niche ( … Wikipedia
Ecological succession — Succession after disturbance: a boreal forest one (left) and two years (right) after a wildfire. Ecological succession, is the phenomenon or process by which a community progressively transforms itself until a stable community is formed. It is a… … Wikipedia
Energy quality — the contrast between different forms of energy, the different trophic levels in ecological systems and the propensity of energy to convert from one form to another. The concept refers to our empirical experience of the characteristics, or qualia … Wikipedia
Freshwater environmental quality parameters — are the natural and man made chemical, biological and microbiological characteristics of rivers, lakes and ground waters, the ways they are measured and the ways that they change. The values or concentrations attributed to such parameters can be… … Wikipedia
Odds ratio — The odds ratio [1][2][3] is a measure of effect size, describing the strength of association or non independence between two binary data values. It is used as a descriptive statistic, and plays an important role in logistic regression. Unlike… … Wikipedia
Human sex ratio — In anthropology and demography, the human sex ratio is the sex ratio for Homo sapiens (i.e. the ratio of males to females in a population). Like most sexual species, the sex ratio is approximately 1:1. In humans the secondary sex ratio (i.e. at… … Wikipedia
ekologinės kokybės santykis — statusas Aprobuotas sritis vanduo apibrėžtis Paviršinio vandens telkinio biologinio kokybės elemento rodiklio vertės ir atitinkamo vandens telkinio tipo biologinio kokybės elemento rodiklio etaloninės vertės santykis. atitikmenys: angl.… … Lithuanian dictionary (lietuvių žodynas)
индекс экологического качества — ekologinės kokybės santykis statusas Aprobuotas sritis vanduo apibrėžtis Paviršinio vandens telkinio biologinio kokybės elemento rodiklio vertės ir atitinkamo vandens telkinio tipo biologinio kokybės elemento rodiklio etaloninės vertės santykis.… … Lithuanian dictionary (lietuvių žodynas)
Community (ecology) — Ecological community redirects here. For human community organized around economic and ecological sustainability, see ecovillage. Interspecific interactions such as predation are a key aspect of community ecology.[citation needed … Wikipedia
