Sentence examples for minimum population size from inspiring English sources

Biologists working for The Peregrine Fund monitor as many as 100 pairs per year, thus setting a minimum population size.

Thus, while relative changes in the availability of high, medium and low quality habitat are identifiable, expected changes in minimum population size cannot be inferred.

They created the "50/500" rule, which suggested that a minimum population size of 50 was necessary to combat inbreeding and a minimum of 500 individuals was needed to reduce genetic drift.

Thus, while the bush rat appears resilient to substantial population size perturbation, once a critical minimum population size threshold has been reached, this species may be susceptible to local extinction.

We record the size, aspect ratio, circularity and convexity of APASH images and assess resolution, reproducibility, minimum population size, and total analytical duration, and offer recommendations for the reporting of APASH data for inter-laboratory comparisons.

Many of its colonies are currently approaching the minimum population size necessary to guarantee long-term viability against inbreeding.

In contrast, using information on migratory connectivity allowed us to set targets for maintaining minimum population sizes within each breeding region, thereby dramatically changing the decision pathways and improving the regional stability thousands of kilometers away on breeding areas.

Lowering the population size at the bottlenecks or changing the difference between the maximum and minimum population sizes will alter the number of loci required for a successful recovery.

Perpetuation of nonpersistent viruses requires minimum population sizes large enough to sustain chains of transmission, which is dependent on duration of infectivity, seasonality of infections, duration of immunity, generation time of the virus and host, rate of population turnover (7, 8 ), and degree of fragmentation of populations.

At 2 weeks post inoculation ΔXacFhaB reached a minimum detectable population size whereas minimum values were observed after 3 weeks of inoculation with ΔXacFhaC and 5 weeks for wild type bacteria (Figure 2E).

A patch is defined when the following criteria simultaneously hold: for SI ≥ 60 i.e., for P ( hs ) ≥ 0. 2 ∀ P X) within a neighborhood distance nd ≤ d l Minimum population patch size ≥ S p Minimum breeding/wintering patch size ≥ S b / w. (2).