Sentence examples for assessment of extinction from inspiring English sources

The assessment of extinction began the session after acquisition criterion was met by monitoring (previously food reinforced) instrumental responding in the absence of food reinforcement.

Population viability analysis (PVA) is a quantitative assessment of extinction risk based on a model of population dynamics that incorporates both demographic and environmental stochasticity (Shaffer 1981).

There is a need to broaden our assessments of extinction to identify landscapes that contain high proportions of threatened species and therefore, how more holistic species conservation responses might be developed.

The report, which was funded by the European Commission, is the first complete assessment of the extinction risk for all the marine fish in the region.

Measures to rectify population declines include assessment of local extinction risk, population ecology, viability, and genetic differentiation.

Since habitat fragmentation can be aggravated by human perturbations, studies on the genetic connectivity of rare species in fragmented habitats are particularly necessary for the assessment of their extinction risk, and this should be taken into account when developing management rules or for conservation issues.

The resulting assessments place each species in one of the following categories of extinction risk: extinct (EX); extinct in the wild (EW); critically endangered (CR); endangered (EN); vulnerable (VU); near threatened (NT); least concern (LC); and data deficient (DD).

This is the first detailed assessment of the threat of extinction from deleterious mutation accumulation through Muller's ratchet in the Amazon molly.

Data collection and assessments for mangrove species probability of extinction were conducted during two IUCN Red List Assessment workshops: one in 2007 in Dominica and the second in 2008 in the Philippines.

Most of the native pig breeds in Iberia are in danger of extinction, and the assessment of their genetic diversity and population structure, relationships and possible admixture between breeds, and the appraisal of conservation alternatives are crucial to adopt appropriate management strategies.

Another important result of our study is that different datasets, statistical approaches and regional assessments generally agree on important drivers of extinction.