Sentence examples for population abundance data from inspiring English sources

Population abundance data are generated from the network by summing over a period.

The extensive demographic and population abundance data for the Macquarie Island population now span approximately five elephant seal generations [ 22], so these datasets consequently represent an invaluable source of information to determine long-term trends in this region.

However, to differentiate impacts associated with introduced diseases from those of climate or other factors that may influence population dynamics, abundance data before and after potential introductions are required (Hochachka and Dhondt 2000; Daszak et al. 2005; Lips et al. 2006; LaDeau et al. 2007).

While a range of approaches have been proposed to estimate population abundance based on existing data, data deficiency is ubiquitous.

> -wrap-foot>> -wrap-fooTestedted variables are population abundance (Abund.

We estimated its trajectory using a simple logistic model of population growth applied to recent population growth rate and historical abundance data.

Due largely to their nocturnal behavior and the subsequent difficulties in accurately quantifying abundance, data about the population size or distribution patterns of slow lorises is limited.

The population abundance models used to analyse the data obtained in this study estimated total population size within 12.2% of each other and well within their respective 95% confidence interval limits.

However, identifying the impacts of an introduced disease and distinguishing it from other forces that influence population dynamics (for example, climate7) is challenging and requires abundance data that extend before and after the introduction2,5.

In addition to the needs to harmonize methods of diagnostic testing, of estimating population abundance and of age classification, further factors may impede data analyses.

These studies provide a record of the shortnose sturgeon population spanning almost two decades with thorough population estimates made at the beginning and end of the period, and relative abundance data covering many of the intervening years.