Erika L. Mudrak

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Andres Fuentes-Ramirez2
Claus Holzapfel2
Kirk A. Moloney2
Kathryn L. Amatangelo1
Petrutza C. Caragea1
2Andres Fuentes-Ramirez
2Claus Holzapfel
2Kirk A. Moloney
1Kathryn L. Amatangelo
1Petrutza C. Caragea
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Do invasive plant species act more as “passengers” or drivers of ecological change in native plant communities? Snapshot studies based on correlations at the site scale ignore longer-term dynamics and variation in how particular invaders affect particular native species. We analyzed patterns of co-occurrence between three invading species (Alliaria(More)
In southwestern American deserts, fire has been historically uncommon because of insufficient continuity of fuel for spreading. However, deserts have been invaded by exotic species that now connect the empty space between shrubs to carry fire. We hypothesized that fire would change the spatial distribution of surviving Larrea tridentata shrubs. We(More)
In arid shrublands, soil resources are patchily distributed around shrub canopies, forming well-studied “islands of fertility.” While soil nutrient patterns have previously been characterized quantitatively, we develop a predictive model that explicitly considers the distance from shrubs of varying canopy sizes. In 1-ha macroplots in both the Sonoran and(More)
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