Dataset of plant composition change over seven years at the Zumwalt Prairie Preserve, Oregon, USA

Joshua P Averett; Lesley R Morris; Bryan A Endress

doi:10.1016/j.dib.2019.105104

Dataset of plant composition change over seven years at the Zumwalt Prairie Preserve, Oregon, USA

Data Brief. 2020 Jan 7:29:105104. doi: 10.1016/j.dib.2019.105104. eCollection 2020 Apr.

Authors

Joshua P Averett¹, Lesley R Morris^{1

2}, Bryan A Endress^{1

2}

Affiliations

¹ Eastern Oregon Agricultural Research Center, Oregon State University, Union, OR 97883, USA.
² Eastern Oregon Agriculture and Natural Resource Program, Department of Animal and Rangeland Sciences, Oregon State University, One University Blvd, La Grande, OR, 97850, USA.

Abstract

The data and analyses presented here were collected at the Zumwalt Prairie Preserve (ZPP), northeastern Oregon. Vegetation composition was measured within 124 (1-ha) plots using the line point intercept method [1,2]. These data include vascular plant species abundance matrices at two different time periods, seven years apart (2008/2009 & 2015/2016); boxplots of species abundance (cover and frequency) change over time; Non-parametric Multiplicative Regression (NPMR) estimated abundance of Ventenata dubia, an invading non-native annual grass, in geographic and ordination (Non-metric Multidimensional Scaling ordination; NMS) space over time.

Keywords: Annual grass invasion; Grassland change; Pacific northwest Bunchgrass Prairie; Ventenata dubia.