Kaua‘i
Near the geographic center of Kauaʻi is one of the wettest known places on earth, Mount Waiʻaleʻale. Despite this, wildfires can and do occur on the island. Steep slopes, rough terrain, difficult access, a large percentage of highly ignitable invasive grasses, and numerous threatened and endangered native species characterize the Kauaʻi landscape.
Ignitions occur regularly in the inhabited areas of the island, mostly near the coasts, where the landscape is dominated by current and former agricultural lands as well as grass and brush.
Kauaʻi is among the oldest high Hawaiian Islands and has been shaped by significant erosion, creating its dramatic landscape of valleys. Some of the steepest and least accessible areas include the North Shore to the West side, which also correspond strongly with the highest concentration of threatened and endangered species. This creates a challenging environment for reaching and containing fires when they occur, and presents a risk to the resident endangered species. >> READ MORE
After fires burn through an area of native vegetation in Hawaiʻi, the rebounding vegetation is generally dominated by fast growing non-native grasses and shrubs. Not only does this negatively impact biodiversity, but this can also contribute to erosion and the risk of landslides especially on the steep slopes of Kauaʻi.
The biggest large fires have historically occurred on the lee slope of the eastern flank of Waimea valley. This presents a concerning fire risk for the drought-prone community of Kekaha.
Kauaʻi is known for its high rainfall, but annual rainfall is not always a good indicator for risk. Particularly wet periods over a rainy season can, counterintuitively, significantly elevate hazard levels. Increased precipitation may lead to a surplus of vegetation growth, becoming potential fuel during subsequent drier periods, thereby elevating the risk of large wildfires. Given the changing wind and rainfall patterns arising from climate change, this may lead to increased risk for Kauaʻi.
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Recent Resources For Hawai‘i
Members of our community from three islands will talk about their efforts in reducing the threat of wildfire across boundaries. Robbie Justice of Forest Solutions, Inc. on Hawai‘i Island, Jeremie Makepa of ‘Āina Alliance on Kaua‘i, and Erin Peyton of Paniolo Hale Firewise Committee on Moloka‘i share their lessons learned in reducing hazardous fuels and how agencies, landowners and residents can work together collectively.
Some introduced grasses in Hawai`i are especially fire prone and present challenges to land owners, land stewards and those concerned with the spread of wildfire. This ID guide is a quick reference to identify and control fire-adapted grasses.
After fire, there are immediate actions you can take to ensure a recovery for the people first of all, soil and water conservation