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Mean grass cover in grass removal, seed addition experiment, Hakalau Forest NWR

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 09:59 PM | Dataset Last Updated: January 05, 2021 at 12:00 AM
This data release includes data and metadata on a large-scale seed addition and grass removal experiment that varied both seed rain and grass cover. All sites were within Hakalau Forest National Wildlife Refuge on Hawaii Island. Broadly, this study asks what thresholds of seed rain and native and exotic plant cover are needed for passive forest regeneration. Specifically this data decribes the percent cover of grass over time in plots where we experimantally added varying levels of seed rain and/or manipulated grass biomass manually.

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