Search Results - "Geiger, Erika L"

Ecological thresholds at the savanna-forest boundary: how plant traits, resources and fire govern the distribution of tropical biomes by Hoffmann, William A., Geiger, Erika L., Gotsch, Sybil G., Rossatto, Davi R., Silva, Lucas C. R., Lau, On Lee, Haridasan, M., Franco, Augusto C.

“…Fire shapes the distribution of savanna and forest through complex interactions involving climate, resources and species traits. Based on data from central…”
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Allocation to leaf area and sapwood area affects water relations of co-occurring savanna and forest trees by Gotsch, Sybil G, Geiger, Erika L, Franco, Augusto C, Goldstein, Guillermo, Meinzer, Frederick C, Hoffmann, William A

“…Water availability is a principal factor limiting the distribution of closed-canopy forest in the seasonal tropics, suggesting that forest tree species may not…”
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Decline in biological soil crust N-fixing lichens linked to increasing summertime temperatures by Finger-Higgens, Rebecca, Duniway, Michael C, Fick, Stephen, Geiger, Erika L, Hoover, David L, Pfennigwerth, Alix A, Van Scoyoc, Matthew W, Belnap, Jayne

“…Biological soil crusts (biocrusts), comprised of mosses, lichens, and cyanobacteria, are key components to many dryland communities. Climate change and other…”
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Fuels or microclimate? Understanding the drivers of fire feedbacks at savanna-forest boundaries by HOFFMANN, WILLIAM A., JACONIS, SUSAN Y., MCKINLEY, KRISTEN L., GEIGER, ERIKA L., GOTSCH, SYBIL G., FRANCO, AUGUSTO C.

“…The higher flammability of tropical savanna, compared with forest, plays a critical role in mediating vegetation‐environment feedbacks, alternate stable…”
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Droughting a megadrought: Ecological consequences of a decade of experimental drought atop aridification on the Colorado Plateau by Finger‐Higgens, Rebecca, Bishop, Tara B. B., Belnap, Jayne, Geiger, Erika L., Grote, Edmund E., Hoover, David L., Reed, Sasha C., Duniway, Michael C.

“…Global dryland vegetation communities will likely change as ongoing drought conditions shift regional climates towards a more arid future. Additional…”
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Ecosystem resilience to invasion and drought: Insights after 24 years in a rare never-grazed grassland by Duniway, Michael C, Finger-Higgens, Rebecca, Geiger, Erika L, Hoover, David L, Pfennigwerth, Alix A, Knight, Anna C, Van Scoyoc, Matthew, Miller, Mark, Belnap, Jayne

“…Understanding the resilience of ecosystems globally is hampered by the complex and interacting drivers of change characteristic of the Anthropocene. This is…”
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Tree topkill, not mortality, governs the dynamics of savanna-forest boundaries under frequent fire in central Brazil by Hoffmann, William A, Adasme, Ryan, Haridasan, M, Carvalho, Marina T. de, Geiger, Erika L, Pereira, Mireia A.B, Gotsch, Sybil G, Franco, Augusto C

“…Tropical savanna and forest are recognized to represent alternate stable states, primarily determined by feedbacks with fire. Vegetation-fire dynamics in each…”
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Insights from Long-Term Ungrazed and Grazed Watersheds in a Salt Desert Colorado Plateau Ecosystem by Duniway, Michael C., Geiger, Erika L., Minnick, Tamera J., Phillips, Susan L., Belnap, Jayne

“…Dryland ecosystems cover over 41% of the earth's land surface, and living within these important ecosystems are approximately 2 billion people, a large…”
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Correction to: Allocation to leaf area and sapwood area affects water relations of co-occurring savanna and forest trees by Gotsch, Sybil G., Geiger, Erika L., Franco, Augusto C., Goldstein, Guillermo, Meinzer, Frederick C., Hoffmann, William A.

“…The original version of this article unfortunately contained a mistake. The Electronic supplementary material (ESM) was accompanying this article by mistake…”
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Distinct roles of savanna and forest tree species in regeneration under fire suppression in a Brazilian savanna by Geiger, Erika L., Gotsch, Sybil G., Damasco, Gabriel, Haridasan, M., Franco, Augusto C., Hoffmann, William A.

“…Questions: Has fire suppression relaxed barriers to the exchange of species between savanna and forest? Do all species or a subset of species participate in…”
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Climate anomalies provide opportunities for large-scale mapping of non-native plant abundance in desert grasslands by Huang, Cho-ying, Geiger, Erika L

“…Native plant communities are susceptible to climate anomalies, which would favour the invasion of non-native species. However, climate anomalies may also…”
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Can the invaded range of a species be predicted sufficiently using only native-range data? Lehmann lovegrass (Eragrostis lehmanniana) in the southwestern United States by MAU-CRIMMINS, Theresa M, SCHUSSMAN, Heather R, GEIGER, Erika L

“…Predictions of species invasions are often made using information from their native ranges. Acquisition of native-range information can be very costly and…”
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Response of semi-desert grasslands invaded by non-native grasses to altered disturbance regimes by Geiger, Erika L., McPherson, Guy R.

“…Aim Using a long-term data set we investigated the response of semi-desert grasslands to altered disturbance regimes in conjunction with climate patterns…”
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Ecosystem resilience to invasion and drought: Insights after 24years in a rare never‐grazed grassland by Duniway, Michael C, Rebecca Finger‐Higgens, Geiger, Erika L, Hoover, David L, Pfennigwerth, Alix A, Knight, Anna C, Matthew Van Scoyoc, Miller, Mark, Belnap, Jayne

“…Understanding the resilience of ecosystems globally is hampered by the complex and interacting drivers of change characteristic of the Anthropocene. This is…”
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Distinct roles of savanna and forest tree species in regeneration under fire suppression in a Brazilian savanna: Forest expansion in a Brazilian savanna by Geiger, Erika L., Gotsch, Sybil G., Damasco, Gabriel, Haridasan, M., Franco, Augusto C., Hoffmann, William A.

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ORIGINAL ARTICLE: Response of semi-desert grasslands invaded by non-native grasses to altered disturbance regimes by Geiger, Erika L, McPherson, Guy R

“…Aim: Using a long-term data set we investigated the response of semi-desert grasslands to altered disturbance regimes in conjunction with climate patterns…”
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Additions to the Flora of the Appleton-Whittell Research Ranch, Northeastern Santa Cruz County, Arizona by Geiger, Erika L., Kennedy, Linda J., McLaughlin, Steven P.

“…This note describes the addition of 64 native and 8 exotic species to the known vascular flora of the Appleton-Whittell Research Ranch. Many of the additional…”
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Can the invaded range of a species be predicted sufficiently using only native-range data? by Mau-Crimmins, Theresa M., Schussman, Heather R., Geiger, Erika L.

“…Predictions of species invasions are often made using information from their native ranges. Acquisition of native-range information can be very costly and…”
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Flora of the Appleton-Whittell Research Ranch, Northeastern Santa Cruz County, Arizona by McLaughlin, Steven P., Geiger, Erika L., Bowers, Janice E.

“…The Appleton-Whittell Research Ranch, operated by the National Audubon Society, covers 3160 ha in northeastern Santa Cruz County. Elevations range from 1417 m…”
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