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Raw acoustic files used to estimate bird densities.
Mosquito-borne disease is the biggest threat to Hawai‘i’s remaining native forest birds, of which more than half are threatened or endangered. Currently, disease-carrying mosquitoes are unable to move into colder high-elevation forests, but as the islands warm due to climate change, mosquitoes are steadily moving into the last native bird strongholds. Mosquito suppression efforts are planned for three Hawaiian Islands, however, there is currently no monitoring program to assess the effectiveness of those efforts. To address this pressing need, this project will develop new monitoring tools and protocols to provide managers with information about changes in bird and mosquito numbers that are related to climate change...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2023,
Birds,
Birds,
CASC,
Pacific Islands,
Distance-power relationship data used in our automatic detection algorithm. First release - January 18, 2017 Revised - August 2018, ver. 1.1
Categories: Data;
Types: Citation;
Tags: Call,
Distance-power relationship,
Hakalau Forest National Wildlife Refuge,
Hawaiˊi ˊamakihi (Chlorodrepanis virens),
Hawaiˊi, USA
This dataset contains the point-transect distance sampling records of Hawaii Akepa collected at Hakalau Forest National Wildlife Refuge between 1987 and 2017. These data include the survey point locations, observer details, time of day, and sampling conditions during the counts. In addition, the data include the elevation and alliance level habitat classification at the survey points. Provided here in the data release is the single tabular dataset containing the project’s bird and habitat data.
Categories: Data;
Tags: Density estimation,
Ecology,
Hakalau Forest National Wildlife Refuge,
Hawai`i, USA,
Hawaii Akepa,
Vegetation and ‘ōhi‘a mortality data collected during the 2016 survey of lower Puna District, Hawai`i. Data were collected at points along rural highways, secondary roads and residential streets where trained observers recorded the vegetation within a 50 m radius using the Jacobi (1989) rapid assessment. This description included tree crown cover, tree height, tree species composition, and ground cover or understory type. In addition, the proportion of dead ‘ōhi‘a was estimated, in 5% intervals, for each quarter of the station starting with the NE quadrant and proceeding counter clockwise.
Categories: Data;
Tags: Hawai`i, USA,
Point transect distance sampling,
Puna District,
Rapid Ohia Death,
biota,
Eight-minute point-transect distance bird surveys were collected in and around Haleakala National Park from 1993-2008. This dataset contains the location, species, and distance to detected birds, as well as identifying initials to distinguish among observers.
Categories: Data;
Tags: Ecology,
Haleakala National Park,
Haleakala volcano,
Maui,
USGS Science Data Catalog (SDC),
Training data used in our automatic detection algorithm; see Sebastian-Gonzalez et al. (2015) for details. Sebastián-González, Esther, Pang-Ching, Joshua, Barbosa, J.M., and Hart, P.J., 2015, Bioacoustics for species management: Two case studies with a Hawaiian forest bird, Ecol Evol. 5:4696–4705, https://dx.doi.org/10.1002/ece3.1743.
Categories: Data;
Types: Citation;
Tags: Automatic detection algorithm,
Calls,
Hawaiˊi, USA,
Training data set,
ˊōmaˊo (Myadestes obscurus)
Distance-power relationship data used in our automatic detection algorithm.
Categories: Data;
Types: Citation;
Tags: Call,
Distance-power relationship,
Hakalau Forest National Wildlife Refuge,
Hawaiˊi, USA,
ˊōmaˊo (Myadestes obscurus)
Point transect distance sampling data were collected during the 2010 surveys of Alamagan, Commonwealth of the Northern Mariana Islands (CNMI). Data were collected at points along transects where trained observers recorded the detection type (heard, seen, or heard then seen) and horizontal distance (exact distance in m) from the station center point to individual birds detected during an 8-min count. To increase the numbers of detections, survey data from 40 detections from the CNMI Division of Fish and Wildlife (DFW; 2000) surveys of Alamagan, and 46 detections from Saipan surveys described in Camp et al. (2009) were added to this dataset. The count length of the DFW surveys was only 5 minutes; therefore, we included...
In 1976-1981, the U.S. Fish and Wildlife Service conducted systematic surveys of forest birds and plant communities on all of the main Hawaiian Islands as part of the Hawaii Forest Bird Surveys (HFBS; Scott, J.M., S. Mountainspring, F.L. Ramsey, and C.B. Kepler. 1986. Forest bird communities of the Hawaiian Islands: their dynamics, ecology, and conservation. Studies in Avian Biology 9:1-431). Results of this monumental effort have guided conservation efforts and provided the basis for many plant and bird recovery plans and land acquisition decisions in Hawaii during the past two decades. Unfortunately, these estimates and range maps are now seriously outdated, hindering modern conservation decision-making efforts...
Categories: Data;
Types: ArcGIS REST Map Service,
ArcGIS Service Definition,
Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Birds,
DOFAW,
HFBS,
Hawaii,
Monitoring,
This data publication contains data files collected as part of a field, laboratory, and modeling effort aimed at uncovering ecological drivers of avian malaria transmission and impacts on Hawaiian honeycreepers across an elevational gradient on the eastern flank of Mauna Loa and Kilauea volcanoes on Hawaii Island. From 2001-2004, mosquito and bird data were collected at nine sites ranging 25 to 1,800 m above sea level. This data publication includes site and sampling coordinate data, mosquito capture data, mosquito avian malaria infection data, and point-transect distance sampling data. Site coordinate data consists of GPS spatial location data of sampling points where mosquitoes were captured and birds were surveyed...
Categories: Data;
Tags: Culex quinquefasciatus,
Hawaii,
Hawaii Island,
Hawaii Volcanoes National Park,
Hawaii Volcanoes National Park Olaa Tract,
The newly identified rapid ‘ohi‘a death (ROD; Metrosideros polymorpha) originated in the lower Puna district and its distribution has spread across Hawai‘i Island. As ROD expands it is expected that the loss of the dominant tree species will adversely affect bird populations. This project is a first attempt to describe the relationship between the impacts of ROD on the Hawaiian avifauna, especially the native Hawai‘i ‘amakihi (Hemignathus virens virens) an omnivore found in a wide range of native and nonnative habitat types. ‘Amakihi was generally rare below about 1,300 m elevation (Scott et al. 1986, Reynolds et al. 2003) but recent surveys found that the species is resident and breeding in native-dominated ‘ohi‘a...
Training data used in our automatic detection algorithm; see Sebastian-Gonzalez et al. (2015) for details. Sebastián-González, Esther, Pang-Ching, Joshua, Barbosa, J.M., and Hart, P.J., 2015, Bioacoustics for species management: Two case studies with a Hawaiian forest bird, Ecol Evol. 5:4696–4705, https://dx.doi.org/10.1002/ece3.1743.
Categories: Data;
Types: Citation;
Tags: Automatic detection algorithm,
Hawaiˊi, USA,
Songs,
Training data set,
ˊōmaˊo (Myadestes obscurus)
Distance-power relationship data used in our automatic detection algorithm.
Categories: Data;
Types: Citation;
Tags: Distance-power relationship,
Hakalau Forest National Wildlife Refuge,
Hawaiˊi, USA,
Song,
ˊōmaˊo (Myadestes obscurus)
Training data used in our automatic detection algorithm; see Sebastian-Gonzalez et al. (2015) for details. Sebastián-González, Esther, Pang-Ching, Joshua, Barbosa, J.M., and Hart, P.J., 2015, Bioacoustics for species management: Two case studies with a Hawaiian forest bird, Ecol Evol. 5:4696–4705, https://dx.doi.org/10.1002/ece3.1743.
Categories: Data;
Types: Citation;
Tags: Automatic detection algorithm,
Call,
Hawaiˊi ˊamakihi (Chlorodrepanis virens),
Hawaiˊi, USA,
Training data set
This dataset contains the point-transect distance sampling records of Hawaii Akepa collected at Hakalau Forest National Wildlife Refuge in 2002, including survey point locations, distance to detected birds, number of detected birds, elevation, and alliance-level habitat classification. This data release consists of two tabular datasets, one that contains distances and the other that contains locations, elevation, habitat and counts.
Human derived point-transect data used to estimate densities of Hawaiˊi ˊamakihi (Chlorodrepanis virens) and ˊōmaˊo (Myadestes obscurus).
Categories: Data;
Types: Citation;
Tags: Auditory detections,
Density estimation,
Hakalau Forest National Wildlife Refuge,
Hawaiˊi ˊamakihi (Chlorodrepanis virens),
Hawaiˊi, USA,
Point transect distance sampling data collected during the 2003 to 2016 surveys of lower Puna District, Hawai`i. Data were collected at points along rural highways, secondary roads and residential streets where trained observers recorded the detection type (heard, seen, or heard then seen) and horizontal distance (exact distance in m) from the station center point to individual birds detected during an 8-min count. The data set also includes covariates that may influence the detectability of birds.
Categories: Data;
Tags: Hawai`i, USA,
Point transect distance sampling,
Population declines,
Puna District,
Rapid Ohia Death,
This data release contains the point-transect distance sampling records of forest bird survey collected in the Kohala Mountain complex in 2017, including survey point IDs, distance to detected birds, sampling conditions, ohia phenology, habitat classifications and background noise levels. This data release consists of one tabular dataset.
Categories: Data;
Tags: Ecology,
Hawaii Island,
Hawaii, USA,
Kohala Mountain complex,
Point-transect distance sampling,
Climate change in Hawaiʻi is expected to result in increasing temperatures and varying precipitation through the twenty-first century. Already, high elevation areas have experienced rapidly increasing temperatures and there has been an increase in the frequency of drought across the Islands. These climatic changes could have significant impacts on Hawaiʻi’s plants and animals. Changes in temperature and moisture may make current habitat no longer suitable for some species, and could allow invasive species to spread into new areas. Hawaiʻi Volcanoes National Park is home to 23 species of endangered vascular plants and 15 species of endangered trees. Understanding how climate change may impact the park’s plants...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2014,
CASC,
Climate Change,
Completed,
Data Visualization & Tools,
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