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2019

USDA National Wildlife Research Center - Staff Publications

Apis mellifera

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Non-Native Insects Dominate Daytime Pollination In A High-Elevation Hawaiian Dryland Ecosystem, Clare E. Aslan, Aaron B. Shiels, William Haines, Christina T. Liang Jan 2019

Non-Native Insects Dominate Daytime Pollination In A High-Elevation Hawaiian Dryland Ecosystem, Clare E. Aslan, Aaron B. Shiels, William Haines, Christina T. Liang

USDA National Wildlife Research Center - Staff Publications

PREMISE OF THE STUDY: Over one-third of the native flowering plant species in the Hawaiian Islands are listed as federally threatened or endangered. Lack of sufficient pollination could contribute to reductions in populations, reproduction, and genetic diversity among these species but has been little studied.

METHODS: We used systematic observations and manual flower treatments to quantify flower visitation and outcrossing dependency of eight native (including four endangered) plant species in a dryland ecosystem in Hawaii: Argemone glauca, Bidens menziesii, Dubautia linearis, Haplostachys haplostachya, Sida fallax, Silene lanceolata, Stenogyne angustifolia, and Tetramolopium arenarium.

KEY RESULTS: During 576.36 h of flower ...