Title:

Individual plant performance, site, understory, and soil data for experimental translocation of Polyscias bisattenuata, a critically endangered Hawaiian tree species, Kauai Island, 2019-2022

Author(s):

Douglas, Julia; Bai, Mingzhou; Yelenik, Stephanie G.; Rønsted, Nina

Publication Year:

2025

How to Cite:

These data were collected using funding from the U.S. Government and can be used without additional permissions or fees. If you use these data in a publication, presentation, or other research product please use the following citation:

Douglas, Julia; Bai, Mingzhou; Yelenik, Stephanie G.; Rønsted, Nina. 2025. Individual plant performance, site, understory, and soil data for experimental translocation of Polyscias bisattenuata, a critically endangered Hawaiian tree species, Kauai Island, 2019-2022. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2024-0063

Abstract:

This data publication includes tree height, diameter and performance data for Polyscias bisattenuata, a critically endangered Hawaiian tree species, as a part of an experimental planting study that tests how site variables and founder populations affect success. Seeds from 19 wild founders from three wild populations were selected to be genetically represented in translocation efforts. Seeds were germinated and propagated on the South Shore of Kauaʻi and 3,700 P. bisattenuata saplings were prepared for outplanting by late 2017. Saplings were approximately one year old and 20-40 centimeters (cm) in height upon planting across 11 translocation sites on Kauaʻi Island in Hawaiʻi. Selected translocation sites were both within and beyond the climate conditions represented by remnant populations. Survivorship, growth, and vigor of the translocated populations were monitored at two-years post-planting (2019) and four-years post-planting (2021 through early 2022). Additional data include understory measurements for each individual tree as well as soil, climate, and topographic data for each site.

Keywords:

biota; environment; Ecology, Ecosystems, & Environment; Plant ecology; Polyscias bisattenuata; biodiversity; endangered species; Hawaiian flora; Polyscias; rare plants; reintroduction; remnant populations; translocation; Hawaiʻi; Hawaii

Related publications:

• Douglas, Julia; Bai, Mingzhou; Fortini, Lucas Berio; Yelenik, Stephanie G.; Rønsted, Nina. Unknown. Experimental translocation of a rare Hawaiian tree reveals disparity between remnant and potential habitat. Biological Conservation. [In review].

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