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1,989 results for “fires”
Yukon River Basin Fire and Permafrost Study: Soil physical and chemical characteristics by soil layer and year (2009-2012)
This study was designed to examine the effects of fire on permafrost across three soil landscapes in interior Alaska: rocky uplands, silty uplands, and sandy lowlands. This dataset includes information from each intensive study site on soil stratigraphy, texture, bulk density, moisture, water storage, pH, electrical conductivity, organic and inorganic carbon content, and ice content.
Yukon River Basin Fire and Permafrost Study: Elevation of soil surface and permafrost table along transects with different fire disturbance regimes (2009-2012)
Two 100 - 200 m transects were established on hilly loess deposits in the Yukon Flats near Boot Lake to monitor annual changes in the permafrost table and thaw settlement under different fire disturbance regimes. One was located in an area that burned around 1925; the other transect was located in a 2009 burn. Both transects were partially affected by a fire in 1967. This dataset includes the elevations of the ground surface, permafrost surface, water table, and surface organic thickness measurements. Note that there was compaction of the organic layer due to human disturbance along the portion of the transect that burned in only 1925. These transects are associated with the burned and unburned silty upland sites detailed in related datasets.
Yukon River Basin Fire and Permafrost Study: Plant species cover in burned and unburned evergreen stands (2012)
This study was designed to examine the effects of fire on permafrost across three soil landscapes in interior Alaska: rocky uplands, silty uplands, and sandy lowlands. This vegetation dataset includes percent cover of plant species for each site. See related datasets for site descriptions.
Yukon River Basin Fire and Permafrost Study: Air temperature and soil temperature at 5 cm and 100 cm depths in burned and unburned stands (2009-2012)
This study was designed to examine the effects of fire on permafrost across three soil landscapes in interior Alaska: rocky uplands, silty uplands, and sandy lowlands. This dataset includes air temperatures and soil temperatures at 5 cm and 100 cm depth across burned and unburned stands. See related site description dataset for more details.
Observational study of post-fire mycorrhizal communities associated with resprouting Betula nana shrubs across a fire-severity gradient in the Anaktuvuk River Fire burn scar, 2009
The dataset contains fungal community data from a sampling campaign in 2009, two growing seasons after the Anaktuvuk River Fire. We used molecular tools, including ARISA and fungal ITS sequencing, to characterize the mycorrhizal communities on resprouting Betula nana shrubs across a fire-severity gradient. Summarized data can be viewed by site and provide information on richness and abundance of basidiomycetes and ascomycetes andChao1 and MaoTau estimators of richness.
ARISA fungal community profiles for each resprouting Betula nana shrub sampled in an observational study of post-fire mycorrhizal communities across a fire-severity gradient in the Anaktuvuk River Fire burn scar, 2010
The dataset contains fungal community data from a sampling campaign in 2009, two growing seasons after the Anaktuvuk River Fire. We used molecular tools, including ARISA and fungal ITS sequencing, to characterize the mycorrhizal communities on resprouting Betula nana shrubs across a fire-severity gradient. ARISA profiles are provided for each shrub sampled in the study.
Operational taxonomic units characterizing fungal communitties associated with resprouting Betula nana shrubs sampled across a fire-severity gradient in the Anaktuvuk River Fire burn scar, 2010
The dataset contains fungal community data from a sampling campaign in 2009, two growing seasons after the Anaktuvuk River Fire. We used molecular tools, including ARISA and fungal ITS sequencing, to characterize the mycorrhizal communities on resprouting Betula nana shrubs across a fire-severity gradient. Summarized data can be viewed by site and provide information on richness and abundance of basidiomycetes and ascomycetes andChao1 and MaoTau estimators of richness. OTU data are provided for each shrub sampled in the study.
Fireline surface level and thaw depths: Wickersham fire sites (1977 - 2009)
In June of 1971, the Wickersham fire burned 6313 ha in an open black spruce forest underlain with permafrost and provided an opportunity to study fire and fireline effects on the rate and patterns of permafrost, vegetation, and soil recovery. Because of the fire?s proximity to Fairbanks, a concentrated effort was made to control the fire and 29 bulldozers constructed 113 km of fireline which averaged 12 m in width (Viereck and Dyrness 1979). The construction of firelines with heavy machinery involves the complete removal of vegetation and the soil organic layer down to mineral soil. The removal of the organic layer and subsequent loss of thermal insulation results in an increase in permafrost depth of thaw. In addition, thermal subsidence, erosion, and formation of gullies makes the fireline surface unstable and full recovery tends to be a lengthy process. This long-term study examines fireline surface level changes and maximum depth of thaw over time on cross sections of two firelines underlain with ice rich permafrost.
Post-fire succession in Delta Junction burns: Measurements of post-fire organic layer depth in 1987, 1990, 1994, and 1999 burns
This dataset contains soil organic layer depth measurements taken during summer 2008 in 4 burns located near Delta Junction (1987, 1994, 1999) and Tok (1990). These data can be found in Shenoy et al. 2011.
Post-fire succession in Delta Junction burns: Measurements of pre-fire stand basal area in 1987, 1990, 1994 and 1999 burns
This dataset contains measurements of pre-fire stand basal area taken during summer 2008 in 4 burns located near Delta Junction (1987, 1994, 1999) and Tok (1990). These data can be found in Shenoy et al. 2011.
Post-fire succession in Delta Junction burns: Measurements of aspen and spruce stem density and biomass in 1987, 1990, 1994 and 1999 burns
This dataset contains measurements of stem density and biomass of aspen and black spruce taken during summer 2008 in 4 burns located near Delta Junction (1987, 1994, 1999) and Tok (1990). These data can be found in Shenoy et al. 2011.
Post-fire succession in 1994 Hajdukovich Creek burn: Measurements of soil temperature
This dataset contains soil temperature measurements taken using a handheld temperature probe during July and August 2009 in the 1994 Hajdukovich Creek Burn. Meaurements were taken at 2 cm below the soil surface (organic layer) and at 15 cm below the soil surface (mineral layer).
Post-fire succession in 1994 Hajdukovich Creek burn: Measurements of soil moisture
This dataset contains soil moisture measurements taken using a handheld Campbell Scientific Hydrosense probe during July and August 2009 in the 1994 Hajdukovich Creek Burn. Meaurements were taken at 2 cm below the soil surface (organic layer) and at 15 cm below the soil surface (mineral layer).
Post-fire succession in 1994 Hajdukovich Creek burn: Measurements of soil Ph
This dataset contains soil pH measurements. Soil cores were collected in the field in July 2009 from the 1994 Hajdukovich Creek Burn and frozen until lab analysis.
Post-fire succession in 1994 Hajdukovich Creek burn: Measurements of soil organic layer depth
This dataset contains soil organic layer depth measurements collected in July 2009 from the 1994 Hajdukovich Creek Burn.
Post-fire succession in 1994 Hajdukovich Creek burn: Measurements of soil inorganic nitrogen supply (NO3- and NH4+)
This dataset contains soil NO3- and NH4+ supply measurements collected using PRS ion exchange probes. Measurements of inorganic N supply were collected separately in the organic and mineral soil layers. The probes were buried for two time periods (July - August, and August- September) in 2009.
Post-fire succession in 1994 Hajdukovich Creek burn: Measurements of aspen and black spruce stem density
This dataset contains measurements of stem density of aspen and black spruce taken during summer 2009 in the 1994 Hajdukovich Creek burn.
Post-fire succession in 1994 Hajdukovich Creek burn: Measurements of aspen and black spruce biomass
This dataset contains measurements of biomass of aspen and black spruce taken during summer 2009 in the 1994 Hajdukovich Creek burn.
Post-fire succession in 1994 Hajdukovich Creek Burn: in-situ measurements of aspen and spruce inorganic nitrogen uptake rates
This dataset contains in-situ measurements of inorganic nitrogen uptake rates in aspen and spruce saplings regenerating in one severely and one lightly burned site in the 1994 Hajdukovich Creek burn.
Post-fire succession in 1994 Hajdukovich Creek Burn: measurements of root biomass, shoot biomass, total plant C content, total plant N content for aspen and spruce
This dataset contains measurements of root biomass, shoot biomass, total plant C, and total plant N of 10 aspen and 10 spruce saplings harvested in one severely burned and one lightly burned site in the 1994 Hajdukovich Creek burn.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
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