Species relative abundance and species richness impacted by environmental variables. X axes titles are printed only for the lower graphs. GAM shows (a) the relative abundance vs. mean annual temperature and (b) the relative abundance vs. mean annual precipitation. The general linear regression model demonstrates that moth species richness is impacted by (c) mean annual temperature and (d) mean annual precipitation. Species abbreviations: Agrotis ripae (Agroripa), Anarta trifolii (Anartrif), Biston betularia (Bistbetu), Euxoa ochrogaster (Euxoochr), Hyles gallii (Hylegall), Ipimorpha retusa (Ipimretu) Isturgia arenacearia (Istuaren), Lithostege sp2 (Lithsp2), Lygephila lubrica (Lygelubr), Mythimna comma (Mythcomm).

Contexts in source publication

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... abundance and richness pattern. The ten most abundant species responded differently to annual temperature and annual precipitation. Agrotis ripae and Anarta trifolii showed a decelerating exponential response to increasing annual temperature (Fig. S3 in the appendix), whereas the abundance of Lithostege sp. 2 was increasing with increasing annual precipitation. Hyles gallii, Lygephila lubrica and Isturga arenacaria were mainly present at the more humid northern sites. At low temperature and high precipitation all ten species coexisted, whereas at high temperature and low precipitation, only two ...

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... with increasing annual precipitation. Hyles gallii, Lygephila lubrica and Isturga arenacaria were mainly present at the more humid northern sites. At low temperature and high precipitation all ten species coexisted, whereas at high temperature and low precipitation, only two species (Agrotis ripae, Anarta trifolii) formed the community alone (Fig. 3a,b). A linear regression model shows that species richness of moths was decreasing with increasing annual temperature (R 2 = 0.36, p < 0.001) and increasing with rising annual precipitation (R 2 = 0.57, p < 0.001). In the grassland sites, species richness was higher than in the desert sites (Kruskal-Wallis Test: p < 0.001) (Fig. ...

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... community alone (Fig. 3a,b). A linear regression model shows that species richness of moths was decreasing with increasing annual temperature (R 2 = 0.36, p < 0.001) and increasing with rising annual precipitation (R 2 = 0.57, p < 0.001). In the grassland sites, species richness was higher than in the desert sites (Kruskal-Wallis Test: p < 0.001) (Fig. ...