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Kīpahulu Valley, Haleakalā National Park, Hawai'i, Stream Survey Data, 2022-2023.

Dates

Start Date
2022-11-19
End Date
2023-09-21
Publication Date

Citation

LaPointe, D.A., Smith, L.K., Camp, R.J., and McClure, K.M., 2024, Kīpahulu Valley, Haleakalā National Park, Maui Seasonal Distribution and Relative Abundance of the Mosquito Culex quinquefasciatus, 2022-2023: U.S. Geological Survey data release, https://doi.org/10.5066/P13UJFWU.

Summary

As part of a larger study looking at the seasonal distribution and relative abundance of the southern house mosquito Culex quinquefasciatus in Kīpahulu Valley, Haleakalā National Park, terrestrial and stream surveys were conducted to determine the abundance of available larval mosquito habitat and the presence of mosquito larvae within the study area. Terrestrial larval mosquito habitat, like wallows and hapuu cavities, are largely dependent on the presence of feral pigs. Naturally occurring ground pools may be found in bogs and on less permeable, older soils. Stream-associated habitat is dependent more on rocky substrates and stream flow. First order, intermittent flowing streams found at higher elevations are more likely to provide [...]

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KipahuluStreamSurveyData_2022-23.csv 52.18 KB text/csv

Purpose

Kīpahulu Biological Reserve in Haleakalā NP (HALE) is nationally and globally significant as one of the most remote, intact, dramatic valleys in the Pacific containing remarkable biodiversity found nowhere else on the planet. It is critical habitat for 6 Hawaiian honeycreepers, including 3 endemic to Maui: the critically-endangered ‘Ākohekohe (Palmeria dolei), critically-endangered Kiwikiu (Pseudonestor xanthophrys), and endangered Maui ʻAlauahio (Paroreomyza montana). Populations of these endangered species have declined dramatically over recent decades. Mosquito-borne avian malaria exacerbated by climate change is the key limiting factor of Hawaiian forest bird populations. Preservation of endemic forest birds and restoration of Hawaiian forest bird communities in Kīpahulu Valley will rely on landscape-scale mosquito control such as Wolbachia-based Incompatible Insect Technique (IIT). To support these control efforts, it is critical to know not just whether or not adult mosquitoes occur in an area but where mosquito production is located. Larval surveys provide data on the availability of larval habitat and the presence of larval mosquitoes. These data can be used to target control efforts to areas with a known presence of mosquito larvae or areas where available larval mosquito habitat is abundant.

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Communities

  • Pacific Island Ecosystems Research Center

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