Assessing the potential impact of invasive ring-necked parakeets Psittacula krameri on native nuthatches Sitta europeae in Belgium
Article first published online: 12 APR 2010
© 2010 The Authors. Journal compilation © 2010 British Ecological Society
Journal of Applied Ecology
Volume 47, Issue 3, pages 549–557, June 2010
How to Cite
Strubbe, D., Matthysen, E. and Graham, C. H. (2010), Assessing the potential impact of invasive ring-necked parakeets Psittacula krameri on native nuthatches Sitta europeae in Belgium. Journal of Applied Ecology, 47: 549–557. doi: 10.1111/j.1365-2664.2010.01808.x
- Issue published online: 28 APR 2010
- Article first published online: 12 APR 2010
- Received 31 August 2009; accepted 6 March 2010Handling Editor: Jack Lennon
Fig. S1. Moran’s I correlogram of residuals from the Boosted Regression Trees (BRT) models.
Fig. S2. Partial regression plots showing all variables influencing parakeet abundance.
Fig. S3. Partial regression plots showing all variables influencing nuthatch distribution.
Fig. S4. Interactions between predictor variables for nuthatch distribution.
Fig. S5. Partial regression plots showing all variables influencing nuthatch abundance.
Fig. S6. Interactions between predictor variables for nuthatch abundance.
Fig. S7. Partial GAM plots showing variables influencing nuthatch abundance in Brussels.
Fig. S8. Spatial distribution of impact on nuthatches according to a worst-case scenario.
Fig. S9. Parakeet impact on nuthatches in different habitat types.
Table S1. Summary of the variables used to model parakeet and nuthatch abundance
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