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Hawaiian Islands Ceratocystis rapid ohia death spatial analysis 2019


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Fortini, L.B., Kaiser, L.R., Keith, L.M., Price, J., Hughes, F., Jacobi, J.D., and Friday, J.B., 2019, Hawaiian Islands Ceratocystis rapid ohia death spatial analysis 2019: U.S. Geological Survey data release,


Hawaiʹi’s most widespread native tree, ʹōhiʹa lehua (Metrosideros polymorpha), has been dying across large areas of Hawaiʹi Island mainly due to two fungal pathogens (Ceratocystis lukuohia and Ceratocystis huliohia) that cause a disease collectively known as Rapid ʹŌhiʹa Death (ROD). Here we examine patterns of positive detections of C. lukuohia as it has been linked to the larger mortality events across Hawaiʹi Island. Our analysis compares the environmental range of C. lukuohia and its spread over time through the known climatic range and distribution of ʹōhiʹa. This data release consists of two rasters, one containing the projected suitability for C.lukuohia and another consisting of modeled presence/absence across the main Hawaiian [...]

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This dataset uses lab-confirmed detections of Ceratocystis lukuohia across Hawaiʹi Island to determine the potential for the disease to spread across the remainder of the archipelago. The objectives were to explore the environmental limits of C. lukuohia, and examine the risk of spread to other main Hawaiian Islands that harbor rare plant species which are the focus of conservation efforts in Hawaiʹi.
Ceratocystis distribution model.
Ceratocystis distribution model.


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  • Pacific Island Ecosystems Research Center
  • USGS Data Release Products



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DOI doi:10.5066/P94ESGQB

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