1,858 Works

Thule, Greenland CO2 flux, soil moisture and temperature - 2015

Julie McKnight

Yukon-Kuskokwim Delta fire: thaw depth, soil temperature, and point-intercept vegetation, Yukon-Kuskokwim Delta Alaska, 2015-2016

Sarah Ludwig, Robert M Holmes, Susan Natali, John Schade & Paul Mann
The summer of 2015 was an extraordinary year for fire in the Arctic, including in the Yukon-Kuskokwim Delta, presaging a future where tundra and boreal fire is far more common. Remarkably, the area burned in the YK Delta in 2015 exceeds the total area burned from 1940-2014 combined. The response of the YK Delta in the first year post-fire will set the stage for longer-term changes in delta carbon storage and transport among tundra, aquatic...

Yukon-Kuskokwim Delta fire: aquatic data, Yukon-Kuskokwim Delta Alaska, 2015-2016

Sarah Ludwig, Robert M Holmes, Susan Natali, John Schade & Paul Mann
The summer of 2015 was an extraordinary year for fire in the Arctic, including in the Yukon-Kuskokwim Delta, presaging a future where tundra and boreal fire is far more common. Remarkably, the area burned in the YK Delta in 2015 exceeds the total area burned from 1940-2014 combined. The response of the YK Delta in the first year post-fire will set the stage for longer-term changes in delta carbon storage and transport among tundra, aquatic...

Yukon-Kuskokwim Delta fire: decomposition rates, Yukon-Kuskokwim Delta Alaska, 2016

Sarah Ludwig, Robert M Holmes, Susan Natali, John Schade & Paul Mann
The summer of 2015 was an extraordinary year for fire in the Arctic, including in the Yukon-Kuskokwim Delta, presaging a future where tundra and boreal fire is far more common. Remarkably, the area burned in the YK Delta in 2015 exceeds the total area burned from 1940-2014 combined. The response of the YK Delta in the first year post-fire will set the stage for longer-term changes in delta carbon storage and transport among tundra, aquatic...

Yukon-Kuskokwim Delta fire: vegetation biomass, Yukon-Kuskokwim Delta Alaska, 2016

Sarah Ludwig, Robert M Holmes, Susan Natali, John Schade & Paul Mann
The summer of 2015 was an extraordinary year for fire in the Arctic, including in the Yukon-Kuskokwim Delta, presaging a future where tundra and boreal fire is far more common. Remarkably, the area burned in the YK Delta in 2015 exceeds the total area burned from 1940-2014 combined. The response of the YK Delta in the first year post-fire will set the stage for longer-term changes in delta carbon storage and transport among tundra, aquatic...

Polaris Project 2017: Vegetation biomass, carbon, and nitrogen, Yukon-Kuskokwim Delta, Alaska

Sarah Ludwig, Robert M Holmes, John Schade, Susan Natali, Paul Mann, Homero Pena & Laura Jardine
This project is integrating scientific research in the Arctic with education and outreach, with a strong central focus on engaging undergraduate students and visiting faculty from groups that have had little involvement in Arctic science to date. The central element of the project is a month-long research expedition to the Yukon River Delta in Alaska. The expedition provides a deep intellectual and cultural immersion in the context of an authentic research experience that is paramount...

Polaris Project 2017: Lake sediment carbon and nitrogen, Yukon-Kuskokwim Delta, Alaska

Sarah Ludwig, Robert M Holmes, Susan Natali, Paul Mann, John Schade & Nadia Sae-Lim
This project is integrating scientific research in the Arctic with education and outreach, with a strong central focus on engaging undergraduate students and visiting faculty from groups that have had little involvement in Arctic science to date. The central element of the project is a month-long research expedition to the Yukon River Delta in Alaska. The expedition provides a deep intellectual and cultural immersion in the context of an authentic research experience that is paramount...

Polaris Project 2017: Soil fluxes, carbon, and nitrogen, Yukon-Kuskokwim Delta, Alaska

Sarah Ludwig, Robert M Holmes, Susan Natali, Paul Mann, John Schade, Laura Jardine, Sierra Melton & Edauri Navarro-Perez
This project is integrating scientific research in the Arctic with education and outreach, with a strong central focus on engaging undergraduate students and visiting faculty from groups that have had little involvement in Arctic science to date. The central element of the project is a month-long research expedition to the Yukon River Delta in Alaska. The expedition provides a deep intellectual and cultural immersion in the context of an authentic research experience that is paramount...

Polaris Project 2017: Permafrost carbon and nitrogen, Yukon-Kuskokwim Delta, Alaska

Sarah Ludwig, Robert M Holmes, Susan Natali, Paul Mann, John Schade & Laura Jardine
This project is integrating scientific research in the Arctic with education and outreach, with a strong central focus on engaging undergraduate students and visiting faculty from groups that have had little involvement in Arctic science to date. The central element of the project is a month-long research expedition to the Yukon River Delta in Alaska. The expedition provides a deep intellectual and cultural immersion in the context of an authentic research experience that is paramount...

Polaris Project 2017: Aquatic isotopes, carbon, and nitrogen, Yukon-Kuskokwim Delta, Alaska

Sarah Ludwig, Robert M Holmes, Susan Natali, Paul Mann, John Schade, Jordan Jimmie, Emily Bristol, Darcy Peter & Jessica Dabrowski
This project is integrating scientific research in the Arctic with education and outreach, with a strong central focus on engaging undergraduate students and visiting faculty from groups that have had little involvement in Arctic science to date. The central element of the project is a month-long research expedition to the Yukon River Delta in Alaska. The expedition provides a deep intellectual and cultural immersion in the context of an authentic research experience that is paramount...

PISCO: Intertidal: site temperature data: Yachats Beach, Oregon, USA (YBHX00)

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Michael Frenock

Subsistence and personal use harvest of salmon in Alaska, 1960-2012

Alaska Department Of Fish And Game Subsistence Division
Subsistence fishing is important for the economies and cultures of many families and communities in Alaska. Subsistence uses of wild resources exist alongside other important uses of fish and game in Alaska and are especially important for many rural families who depend on subsistence use for nutrition and traditional cultural practices. Subsistence use is defined as the noncommercial, customary harvest and processing of wild resources for food, raw materials, and other traditional uses. These customs...

Italian Anarchism as a Transnational Movement, 1885-1915

Davide Turcato

Pink salmon age, sex, and length data from Prince William Sound, Alaska, 1997-2016

Rich Brenner & Steve Moffitt
Age, sex and length (ASL) data provide population dynamics information that can indicate how population trends occur and may be changing. These data can help researchers estimate population growth rates, age-class distribution, and population demographics. Knowing population demographics, growth rates and trends is particularly valuable to fisheries managers who must perform population assessments to inform management decisions. These data are therefore important in valuable fisheries like the salmon fisheries of Alaska. This dataset includes length...

Coho salmon brood tables, northeast Pacific, 1967-2015

Stephanie Freund & Jeanette Clark
Brood tables, also called run reconstructions, utilize annual estimates of the total run (commercial catch plus escapement), and samples of ages, to estimate the number of recruits per age class. These data are useful for salmon biologists to understand salmon productivity and salmon life histories. These data can come in a number of different formats, but generally follow the pattern of: rows for each brood year, and columns for the estimated number of fish in...

Subsistence and personal use harvest of salmon in Alaska, 1960-2012

Alaska Department Of Fish And Game Subsistence Division
Subsistence fishing is important for the economies and cultures of many families and communities in Alaska. Subsistence uses of wild resources exist alongside other important uses of fish and game in Alaska and are especially important for many rural families who depend on subsistence use for nutrition and traditional cultural practices. Subsistence use is defined as the noncommercial, customary harvest and processing of wild resources for food, raw materials, and other traditional uses. These customs...

Small-scale indirect plant responses to insect herbivory could have major impacts on canopy photosynthesis and isoprene emission

Kristiina Visakorpi, Sofia Gripenberg, Yadvinder Malhi, Conor Bolas, Imma Oliveras, Neil Harris, Sami Rifai & Terhi Riutta
The data presented in the sheet is the basis for the analyses reported in the article "Small-scale indirect plant responses to insect herbivory could have major impacts on canopy photosynthesis and isoprene emission". K. Visakorpi, S. Gripenberg, Y. Malhi, C. Bolas, I. Oliveras, N. Harris, S. Rifai and T. Riutta. New Phytologist (2018).

Alaska commercial salmon fishery ex-vessel prices, 1984-2015

Alaska Department Of Fish And Game
Ex-vessel prices are post-season adjusted price per pound for the first purchase of a commercial harvest. Ex-vessel values are weighted average estimates based on best available data for administrative area, and applied to the administrative area as a whole. Here, ex-vessel prices for all five species of salmon (pink, sockeye, chinook, chum, and coho) are included, spanning from 1984 to 2015. Data are included from all of Alaska and are presented annually by region, including...

Infanticide by females in mammals

Dieter Lukas & Elise Huchard
The data presented in these sheets is the basis for the analyses presented in: Lukas D. & Huchard E. (2018) The evolution of infanticide by females in mammals. bioRxiv 405688; doi: https://doi.org/10.1101/405688

Alaskan commercial salmon fishing statistical areas, 2017

Alaska Department Of Fish
Participants in Alaska commercial fisheries are required to report the statistical area where their harvest occurs. In combination with reports on the harvest species, poundage and etc., these data are useful to analyze and visualize spatial patterns in harvest. This data set defines the current valid statistical areas that may be used on ADF&G fish tickets for salmon and miscellaneous finfish. This data set should NOT be used for navigation or for determining compliance with...

Commercial Fisheries Entry Commission Basic Information Table, 1975-2016

Alaska Department Of Fish
The Commercial Fisheries Entry Commission (CFEC) is an independent, autonomous agency of the State of Alaska which regulates entry into Alaska's commercial fisheries. The CFEC is committed to promoting conservation and sustained-yield management of Alaska's unique fishery resources and boosting economic stability among fishermen and their dependents. The CFEC is responsible for leasing all commercial fishing permits including permits for limited-entry fisheries. Limited-entry fisheries include all state salmon fisheries, most herring fisheries, and various other...

Elevation per SASAP region and Hydrolic Unit (HUC8) boundary for Alaskan watersheds

Jared Kibele, Rachel Carlson & Marie Johnson
This dataset was created to assess regions and watersheds of Alaska for mean elevation, minimum elevation, maximum elevation, median elevation, standard deviation of elevation, range of elevation and coefficient of variation of elevation in each SASAP region and each HUC8 watershed of Alaska. Three DEM's were mosaicked to make an Alaska-wide tiff. These include separate files for Alaska, the Yukon, and British Columbia. They were combined with the "sasap_regions.zip" shapefile (located here: https://knb.ecoinformatics.org/#view/urn:uuid:2c1c26fc-bfb9-4b6a-8d4a-0be8e61c4deb) to create...

Slope per SASAP region and Hydrolic Unit (HUC8) boundary for Alaskan watersheds

Jared Kibele & Rachel Carlson
This dataset was created to assess regions and watersheds of Alaska for mean slope, minimum slope, maximum slope, median slope, standard deviation of slope, range of slope and coefficient of variation of slope in each SASAP region and each HUC8 watershed of Alaska. Three DEM's were mosaicked to make an Alaska-wide tiff. These include separate files for Alaska, the Yukon, and British Columbia. They were combined with the "sasap_regions.zip" shapefile (located here: https://knb.ecoinformatics.org/#view/urn:uuid:2c1c26fc-bfb9-4b6a-8d4a-0be8e61c4deb) to create...

Ambrosia trifida phenotypic variation from a greenhouse common garden experiment

Stephen Hovick
Spatial patterns of trait variation across a speciesâ range have implications for population success and evolutionary change potential, particularly in range-expanding and weedy species that encounter distinct selective pressures at large and small spatial scales simultaneously. We investigated intraspecific trait variation in a common garden experiment with giant ragweed (Ambrosia trifida), a highly variable agricultural weed with an expanding geographic range and broad ecological amplitude. Our study included paired populations from agricultural and natural riparian...

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