Sentence examples for population stock from inspiring English sources

a species or population stock is listed as an endangered species or a threatened species under the Endangered Species Act of 1973 [16 U.S.C. 1531 et seq.].

The term "optimum sustainable population" means, with respect to any population stock, the number of animals which will result in the maximum productivity of the population or the species, keeping in mind the carrying capacity of the habitat and the health of the ecosystem of which they form a constituent element.

The aim of this study is to describe the changes in foreign population stock and in migration dynamics at the municipal level, through the analysis of the data coming from the different Istat surveys; the study tries also to verify which are the more representative sources to better evaluate the foreign population presence on the Italian territory.

The term "population stock" or "stock" means a group of marine mammals of the same species or smaller taxa in a common spatial arrangement, that interbreed when mature. the Secretary of the Interior as to all responsibility, authority, funding, and duties under this chapter with respect to all other marine mammals covered by this chapter.

For all the above reasons, predicted foreign population stock at a given location is a valid instrument for F P pt in equation (2).

We also include an interaction term that interacts immigration flows with the migrant stock of a country23, and find that the impact of migrants does not hinge on the size of a country's foreign population stock.

Further, the ideal-free distribution (IFD) theory predicts a more even use of habitats (i.e., altitudes) at high population (stocking) density.

Demographic analyses of multistate populations are commonplace, as are situations where population stocks are known but population flows are not.

The present analysis yields new relationships between population stocks and flows, equations that can analytically project multistate populations, and flexible procedures for determining the array of transfer rates.

The new relationships developed advance the ability of demographers to model multistate populations with changing rates and to relate population stocks and flows.

However, investigating this question further will require detailed data on migration flows and not just on total population "stocks" for urban and rural areas.