Folders: ROOT > ScienceBase Catalog > National and Regional Climate Adaptation Science Centers > Pacific Islands CASC > FY 2021 Projects > A Prioritization Plan for Coastal Wetland Restoration on Moloka‘i ( Show direct descendants )
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Molokaʻi is the fifth most populated of the eight main islands that make up the Hawaiian archipelago. Located in the middle of the Pacific Ocean, the island faces serious impacts from sea-level rise and has already experienced severe runoff and sedimentation from upland forest degradation. Coastal wetlands on the island have been degraded due to sedimentation, human alteration, and invasive species. Loʻipūnāwai (spring-fed irrigated agricultural pondfields), which were historically used to grow kalo (taro, a root vegetable), have been lost across the entire landscape except for a few scattered locations. Coastal wetlands are fundamentally important to Native Hawaiians—their function is inextricably intertwined...
In this project, we assessed the potential for twelve coastal wetland sites on the island of Molokaʻi, Hawaiʻi, to provide socio-cultural resources and habitat for flora and fauna following restoration. In April 2022, a rapid field assessment of hydrology, soils, and vegetation was carried out at each of the wetland sites. The data provided here were collected in order to inform a prioritization protocol for ranking wetlands on Molokaʻi for restoration. Soil samples were collected at each of the sites at three different depth ranges (0-2, 24-26, and 48-50 cm). Samples from 0-2 cm and 24-26 cm were analyzed for % organic carbon and soil texture. These two measures provide a basic understanding of the status of coastal...
Hawaiian coastal wetlands provide important habitat for federally endangered waterbirds and socio-cultural resources for Native Hawaiians. Currently, Hawaiian coastal wetlands are degraded by development, sedimentation, and invasive species and, thus, require restoration. Little is known about their original structure and function due to the large-scale alteration of the lowland landscape since European contact. Here, we used 1) rapid field assessments of hydrology, vegetation, soils, and birds, 2) a comprehensive analysis of endangered bird habitat value, 3) site spatial characteristics, 4) sea-level rise projections for 2050 and 2100 and wetland migration potential, and 5) preferences of the Native Hawaiian community...
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