Demography of two tunda plants (Silene acaulis and Bistorta vivipara) across their North American latitudinal ranges.

• Main Authors: William Morris, Daniel Doak, Megan DeMarche, Meredith Zettlemoyer
• Format: Dataset
• Language: unknown
• Published: Knowledge Network for Biocomplexity 2023
• Subjects: Silene acaulis; Bistorta vivipara; Demography; Geographical range limits; Climate change; Niwot Ridge LTER Site; Toolik Lake LTER Site; acaulis; vivipara; north slope; Tundra; Alaska
• Online Access: https://search.dataone.org/view/urn:uuid:2ec1b087-2b23-4768-b813-81e7f2311cb2

All demographic rates (survival, growth, reproduction, and recruitment) were measured for two long-lived, cold-adapted, non-clonal tundra plants (Silene acaulis and Bistorta vivipara) in multiple populations from 36 degrees N latitude (Sangre de Cristo Mountains, northern New Mexico) to 69 degrees N latitude (Alaska's North Slope), every year since populations were begun in 2001, 2007, or 2008 (depending on population) until the present (2022). Soil temperature was also measured over the entire year in all populations since 2008. The purpose of the dataset was to understand how climatic variation affects demography of the two plants and how demography differs between populations near the range edge and populations closer to the range center. The demographic census is ongoing, so new data will be added as they are collected. The data files include data on individual plants across years.