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Department of the Interior
Dataset Description
Four parks in the Pacific Island Network were surveyed to monitor long-term trends in landbird composition, distribution, density, and abundance. Hawaiʻi Volcanoes National Park (HAVO) was surveyed in 2010, 2015-2016, 2019-2021, and 2024; the National Park of American Samoa (NPSA) in 2011, 2018, and 2023; and Haleakalā National Park (HALE) in 2012, 2017, and 2022. Surveys began in 2021 at Kalaupapa National Historical Park (KALA) and neighboring lands managed by the Hawaiʻi Department of Land and Natural Resources and The Nature Conservancy. Surveys in HAVO also included some adjacent state and private conservation lands and thus results provide broad spatial coverage of species detected. Using point-transect distance sampling, the surveys provide indices of relative abundance and occurrence. The dominant canopy species composition, canopy height and cover, and dominant understory species composition are also recorded at each survey station. Estimates of landbird population density and abundance are assessed in a trend analysis and published in the NPS Science Report Series or scientific journal. Alongside permanent survey transects from past surveys, randomly generated point-transects were included, creating a split-panel sampling design. This dataset includes the results from these landbird and habitat surveys.
Organization: Department of the Interior
Organization URL: https://catalog.data.gov/organization/doi
Last updated: 2025-04-04T00:00:00Z
Tags: Austin Trusts, East Rift Zone, Ecological Framework: Biological Integrity | Focal Species or Communities | Birds, HALE, HAVO, Haleakala National Park, Hana Forest Reserve, Hanawi Natural Area Reserve, Hawaii Volcanoes National Park, Honomalino, KALA, Kahikinui, Kahikinui Forest Reserve, Kahuku, Kalaupapa National Historical Park, Kamakou Preserve, Kamehameha Schools, Kau, Kipahulu, Kipahulu Forest Reserve, Koolau Forest Reserve, Kula Forest Reserve, Makawao Forest Reserve, Mauna Loa South Flank, Mauna Loa Strip, Miala Inc., Molokai, Molokai Forest Reserve, NPS.gov Subject Site: Birds & Birding, NPSA, Nakula Natural Area Reserve, National Park of American Samoa National Park, Northwest Kahuku, Nuu Mauka Ranch, Olaa, P.L. Castanera, Papa, Pelekunu Preserve, Puu Alii Natural Area Reserve, Puu Makua, Tau, Tutuila, Ulupalakua Ranch, Waikamoi Preserve, biota, birds, forest birds, landbirds, monitoring, point counts, wildlife