Sentence examples for breeding abundances from inspiring English sources

Furthermore Douglas et al. (2011) hypothesize that weather conditions and resulting prey availability might explain changes in breeding abundances that do not immediately result from wind turbines.

Table 3 Optimal discriminate analysis models for R. aurora breeding abundance addressing the seven variables examined.

The forest habitat most important for R. aurora breeding abundance seems to be > 200 m from the breeding wetlands.

Rana aurora occurrence and breeding abundance both reflect the forested area around wetland breeding sites and forest connectivity to those sites.

This research suggests that a threshold exists between forest cover and R. aurora breeding abundance within a range of 5 km from a wetland (Fig. 4).

Percent forest (PCF) was positively correlated with R. aurora breeding abundance at distances ≥ 200 m (r s = 0.683) using the Šidák-corrected rejection criterion (α′ = 0.002).

A Spearman's rank correlation was used to identify the relationship between percent forest and R. aurora breeding abundance within each of the 19 cumulative concentric areas.

The American bullfrog presence and the two aquatic parameters measured, wetland area and vegetated area, were unrelated to R. aurora occurrence and breeding abundance.

Moreover, the fact that all best forest-linked variable models were more robust for breeding abundance than for occurrence suggests that the focus of forest habitat control is linked to R. aurora abundance.

The cut point for the best ODA model for percent forested habitat identified a threshold at 56.0% forest cover, i.e., forest covers higher than 56% resulting in higher R. aurora breeding abundance.

In this study, both R. aurora occurrence and breeding abundance had strong to very strong associations with all three forest-linked variables measured around wetlands that R. aurora utilized for breeding: the percentage of undeveloped upland forest habitat; the forested perimeter around the wetland; and the connectivity of that forest to the breeding wetland.