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Valentin Moser

New paper on habitat area and fragmentation for arthropods in vineyards🥳

We found habitat area and local vegetation density outweigh effects. We recommend increasing the number and area of vegetated

besjournals.onlinelibrary.wile

Journal for Ecological Solutions and Evidence
Laura Bosco, Valentin Moser, Mirkka M. Jones, Øystein Opedal, Otso Ovaskainen, Gerber Sonja, Roel Van Klink, Samuel A. Cushman, Raphaël Arlettaz, Alain Jacot

Predicted responses of the species richness of ground beetles (GB), wild bees (WB, including A. mellifera) and leafhoppers (LH) to vegetation density (%) (a), habitat area (%; percentage of landscape PLAND, measured at the 50 m scale for GB, 100 m scale for LH and 500 m scale for WB; b) and patch density (PD per 100 ha) at the 450 m scale (c). The lines represent the median posterior estimates. Continuous lines indicate substantial (>95%) posterior support and dashed lines <95% posterior support. Coloured areas show the credible intervals around the predicted means. Predictions are limited to the range of observed values per gradient and insect group, which is why ground wild bee predictions are lacking for habitat area >40% and beetle predictions are lacking for patch density >80.
Variance partitioning among the explanatory variables (Veg % = ground vegetation density, HA = habitat area, PD = patch density) included in the models for the three insect groups (ground beetles a, b; leafhoppers c, d; wild bees e, f). The panels on the left show the results for the presence–absence models and the panels on the right for the abundance models. In both sides, the lengths of the bars correspond to the explanatory power achieved for each species, measured by Tjur R2 for the presence–absence and R2 for the abundance model. The species are ordered by increasing explanatory power.
Systropha curvicornis
#wildbees#beetle#cicada
Jan 09, 2023, 07:53 PM·Public·Web
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