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A Diel Comparison of the Unique Faunal Assemblage in Remote Anchialine Pools on Hawai‘i Island
- Pacific Science
- University of Hawai'i Press
- Volume 66, Number 1, January 2012
- pp. 83-95
- Article
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Anchialine pools, which are defined as land-locked mixohaline pools with tidal influence, are unique and increasingly rare habitats in the Hawaiian Islands. Particularly, anchialine pools in Manukā on the island of Hawai‘i are home to a diverse, rare, and unique assemblage of decapod crustaceans. Diurnal and nocturnal surveys of motile aquatic species were conducted across 81 anchialine habitats in the Manukā watershed to perform diel comparisons of species assemblages, richness, abundances, distributions, and hydrography. Nocturnal surveys revealed significant increases in abundances, distributions, and species richness throughout Manukā’s anchialine habitats. Of particular interest are six native anchialine decapods,