Spatio-temporal dynamics in syntopy are driven by variability in rangeland conditions
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Sympatry is the most common form of niche differentiation and can exist as broad sympatry (shared geographical region) or direct sympatry (i.e., syntopy (shared resource patch)). Syntopy may be highly dynamic, particularly in environments that experience stochastic events that increase variability in abiotic conditions and vegetation. We examined how estimates of syntopy varied across space and time in a rangeland system within the Southern Great Plains, USA over a three-year period (2013-2015). We modeled annual estimates of syntopy between three functionally similar (ground-foraging Galliformes) species (northern bobwhite (Colinus virginianus), scaled quail (Callipepla squamata), and lesser prairie-chicken (Tympanuchus pallidicinctus). Niche similarity representing increased syntopy was greatest during years with increased drought conditions (2013-2014). Niche differentiation was greatest in 2015 in which rangelands experienced the greatest amount of precipitation. Syntopy estimates w..., , , # Spatio-temporal dynamics in syntopy are driven by variability in rangeland conditions
Last updated: 01/18/2023.
Prepared by: Evan P. Tanner, PhD
[evan.tanner@tamuk.edu](mailto:evan.tanner@tamuk.edu)
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LPC_RestrictedLocationData.zip:
Restricted location data of the lesser prairie chicken that was used as occurrence data in Maxent modeling procedures for analyses. Original space-time occurrence data of the lesser prairie-chicken was rarefied by 50 km2 due to privacy restrictions associated with our GPS data on lesser prairie chickens. This is primarily due to this species being classified as an endangered species and to protect the privacy of participating landowners in our study. This rarefication resulted in a single location within our study extent (Beaver County, Oklahoma, USA) which was a data point obtained by the publicly accessible occurrence data platform formally known as BISON from the United States Geological Survey that has been integrated into [www.gbif....
创建时间：
2024-07-14
