The U.S. Fish and Wildlife Service conducts annual surveys to identify the presence of terrestrial non-native plant species within southern Alaska. Herbicides are applied to identified non-native plants in an effort to control the further spread of these species and subsequent surveys are conducted to evaluate the efficiency of herbicide treatment. Scripts included in this repository allow users to run a power analysis to determine the sample size requirement and create randomly selected sample sites within designated polygons where non-native plants have been treated with herbecide.
Scripts rely on tidyverse and sf packages.
Scripts are currently designed for specific data collected in 2023 by the U.S. Fish and Wildlife Service. Until this workflow is generalized, users should not attempt to apply these scripts to their polygons.
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This work is licensed under a Creative Commons Zero v1.0 Universal.