Ekologijos terminų aiškinamasis žodynas. – Vilnius : Grunto valymo technologijos. Algimantas Paulauskas, Karolis Jankevičius, Rapolas Liužinas, Vytautas Raškauskas, Petras Zajančkauskas. 2008.
Population dynamics of fisheries — A fishery is an area with an associated fish or aquatic population which is harvested for its commercial or recreational value. Fisheries can be wild or farmed. Population dynamics describes the ways in which a given population grows and shrinks… … Wikipedia
Abundance of the chemical elements — Estimated proportions of matter, dark matter and dark energy in the universe. Only the fraction of the mass and energy in the universe labeled atoms is composed of chemical elements. The abundance of a chemical element measures how relatively… … Wikipedia
population ecology — Introduction study of the processes that affect the distribution and abundance of animal and plant populations. A population is a subset of individuals of one species that occupies a particular geographic area and, in sexually… … Universalium
abundance — degree of plentifulness. The total number of fish in a population, stock, other group or on a fishing ground. Can be measured in absolute or relative terms and may be number per area or per unit fishing effort … Dictionary of ichthyology
relative abundance — an index of fish population abundance used to compare fish populations from year to year. This does not measure the actual numbers of fish, but shows changes in the population over time … Dictionary of ichthyology
Matrix population models — Population models are used in population ecology to model the dynamics of wildlife or human populations. Matrix population models are a specific type of population model that uses matrix algebra. Matrix algebra, in turn, is simply a form of… … Wikipedia
Occupancy-abundance relationship — In macroecology, the occupancy abundance (O A) relationship is the relationship between the abundance of species and the size of their ranges within a region. This relationship is perhaps one of the most well documented relationships in… … Wikipedia
Minimum viable population — (MVP) is a lower bound on the population of a species, such that it can survive in the wild. This term is used in the fields of biology, ecology, and conservation biology. More specifically MVP is the smallest possible size at which a biological… … Wikipedia
virtual population analysis — A mathematical modelling technique used in stock assessment, whereby the number of fish in each cohort is estimated from numbers in the next oldest or next youngest age group, adjusted for the changes due to fishing and natural mortality; see… … Fisheries — dictionary
relative abundance — noun 1. A rough measure of population density, eg number of birds seen per hour, or the percentage of sample plots occupied by a species of plant (ecology) 2. See ↑abundance (physics) • • • Main Entry: ↑relate … Useful english dictionary
