Search Results - "Powell, Kristin I"

Invasive Plants Have Scale-Dependent Effects on Diversity by Altering Species-Area Relationships by Powell, Kristin I., Chase, Jonathan M., Knight, Tiffany M.

“…Although invasive plant species often reduce diversity, they rarely cause plant extinctions. We surveyed paired invaded and uninvaded plant communities from…”
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A synthesis of plant invasion effects on biodiversity across spatial scales by Powell, Kristin I., Chase, Jonathan M., Knight, Tiffany M.

“…Premise of the study: Invasive plant species are typically thought to pose a large threat to native biodiversity, and local-scale studies typically confirm…”
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Effects of nutrient addition and competition on biomass of five Cirsium species (Asteraceae), including a serpentine endemic by Powell, Kristin I, Knight, Tiffany M

“…Endemic plant species are often thought to be restricted to marginal habitats as a result of a trade-off between fitness in high-stress environments and…”
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‘Bigger data’ on scale-dependent effects of invasive species on biodiversity cannot overcome confounded analyses: a comment on Stohlgren & Rejmánek (2014) by Chase, Jonathan M., Powell, Kristin I., Knight, Tiffany M.

“…A recent study by Stohlgren & Rejmánek (SR: Stohlgren TJ, Rejmánek M. 2014 Biol. Lett. 10. (doi:10.1098/rsbl.2013.0939)) purported to test the generality of a…”
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Comparing the reproductive success and pollination biology of an invasive plant to its rare and common native congeners: a case study in the genus Cirsium (Asteraceae) by Powell, Kristin I, Krakos, Kyra N, Knight, Tiffany M

“…Previous studies have examined an association between reproductive success and pollination biology of rare versus widespread species through pair-wise…”
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Viability model choice affects projection accuracy and reintroduction decisions by Bell, Timothy J., Powell, Kristin I., Bowles, Marlin L.

“…Matrix model population viability analyses (PVAs) are commonly used to assess extinction risk, but their accuracy is rarely tested, especially using long-term…”
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Viability model choice affects projection accuracy and reintroduction decisions: Accuracy of Matrix Model Projections by Bell, Timothy J., Powell, Kristin I., Bowles, Marlin L.

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Viability Model Choice Affects Projection Accuracy and Reintroduction Decisions : DEMOGRAPHICS OF REINTRODUCTION by BELL, Timothy J, POWELL, Kristin I, BOWLES, Marlin L

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Effects of Nutrient Addition and Competition on Biomass of FiveCirsiumSpecies (Asteraceae), Including a Serpentine Endemic by Powell, Kristin I., Knight, Tiffany M.

“…Endemic plant species are often thought to be restricted to marginal habitats as a result of a trade‐off between fitness in high‐stress environments and…”
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