72,257 Works

Soil movement across black grama and mesquite ecotone transects in the Jornada Basin, southern New Mexico, USA, 1933-2011

Robert Campbell, Robert Gibbens & Brandon T. Bestelmeyer
This package contains data from a study that measured long-term soil movement in areas undergoing mesquite invasion on the Jornada Experimental Range from 1933-2011. Data consist of height measurements of soil on two long-term transects established in the Natural Revegetation Exclosure (NatReveg) in 1933 and an exclosure in Pasture 8b in 1935. In 1933, about half of the NatReveg exclosure was covered with mesquite dunes. Grasses dominated the non-dune portion, but mesquite plants were present....

Rodent abundance and biomass data across grassland-shrubland ecotones at 3 sites in the Jornada Basin, 2004-ongoing

Brandon Bestelmeyer & Robert Schooley
The objective of this ongoing study is to investigate how pulses of precipitation translate into pulses of plant aboveground net primary productivity (ANPP) and how the small mammal community responds to such changes in relation to shrub gradients in northern Chihuahuan Desert landscapes. This dataset contains estimates of rodent relative abundance and total biomass annually in three habitat vegetation zones (grassland, ecotone, and mesquite shrubland) at three grassland-to-shrubland ecotone sites in the Jornada Basin, Dona...

NOAA Daily Surface Meteorologic Data at NCDC Miami International Airport Station (ID-085663)(FCE LTER), South Florida from January 1948 to Present

National Climatic Data Center (NCDC) NOAA
The National Climatic Data Center's (NOAA) daily mean, maximum, and minimum air temperatures and daily precipitation collected at Miami International Airport Station (Coop ID- 085663).

Model simulated hydrological estimates for the North Slope drainage basin, Alaska, 1980-2010

Beaufort Lagoon Ecosystems LTER & Michael Rawlins
Estimates of runoff, river discharge, snow water equivalent (SWE), subsurface runoff, and soil temperatures are drawn from the Permafrost Water Balance Model (PWBM). The simulation and derived data span the period 1980-2010. The model was forced with daily gridded meteorological data obtained from the Modern-Era Retrospective analysis for Research and Applications (MERRA) reanalysis (version 5.2.0). The estimates of total runoff (daily), soil temperature (daily), subsurface runoff (monthly), and SWE (monthly) are expressed on a spatial...

Rodent capture data across grassland-shrubland ecotones at 3 sites in the Jornada Basin, 2004-ongoing

Brandon Bestelmeyer & Robert Schooley
The objective of this ongoing study is to investigate how pulses of precipitation translate into pulses of plant aboveground net primary productivity (ANPP) and how the small mammal community responds to such changes in relation to shrub gradients in northern Chihuahuan Desert landscapes. This dataset consists of the first capture of individuals each year that can be used to calculate an index of relative abundance of rodents (i.e., number of unique individuals captured by species)....

Rodent capture data across grassland-shrubland ecotones at 3 sites in the Jornada Basin, 2004-ongoing

Brandon Bestelmeyer & Robert Schooley
The objective of this ongoing study is to investigate how pulses of precipitation translate into pulses of plant aboveground net primary productivity (ANPP) and how the small mammal community responds to such changes in relation to shrub gradients in northern Chihuahuan Desert landscapes. This dataset consists of an index of relative abundance of rodents calculated as the number of unique individuals captured. The abundance measure is derived from mark-recapture data from 4 consecutive night trapping...

Annual Aboveground Net Primary Productivity by plant functional groups across grassland-shrubland ecotones at 3 sites in the Jornada Basin, 2006-ongoing

Brandon Bestelmeyer
The objective of this ongoing study is to investigate how pulses of precipitation translate into pulses of plant aboveground net primary productivity (NPP) across grassland to shrubland ecotones in the northern Chihuahuan Desert. This dataset consists of annual aboveground net primary productivity estimates by plant functional groups in three habitat vegetation zones (grassland, ecotone, and shrubland) at three grassland-to-shrubland ecotone sites in the Jornada Basin, Dona Ana County, New Mexico, USA. The annual ANPP estimates...

SBC LTER: Time series of kelp biomass in the canopy from Landsat 5, 1984 -2011

Santa Barbara Coastal LTER, Kyle C Cavanaugh, David A Siegel, Daniel C Reed & Tom W Bell
This data package has been deprecated because the models/methods have been changed. Please see the new data package using updated models: Kelp canopy biomass from Landsat 5, 7, and 8. These data are a time series of canopy biomass of the giant kelp, Macrocystis pyrifera, derived from LANDSAT 5 Thematic Mapper satellite imagery. The kelp canopy is composed of the portions of fronds floating on the surface of the water. Biomass data (wet weight, kg)...

Alaska 2004 Burns: Environmental and stand data for sites located in the 2004 burns off the Steese, Taylor, and Dalton Highways, collected in 2005-2011

Jill Johnstone, Teresa Nettleton Hollingsworth & Bonanza Creek LTER
This dataset contains site-level descriptions of environmental data (latitude, slope, aspect, moisture, soil pH and texture), pre-fire stand characteristics (tree density and basal area by species), and fire conditions from the 2004 fires (estimates of canopy and surface fire severity, including CBI, plus estimated stand age, date of burning, and distances to live seed sources). Each sample unit represents a site, and values often are site-level means of sub-samples. These data provide an initial baseline...

NOAA Daily Surface Meteorologic Data at NCDC Everglades Station (ID-082850)(FCE LTER), South Florida from February 1924 to 2017

National Climatic Data Center (NCDC) NOAA
The National Climatic Data Center's (NOAA) daily mean, maximum, and minimum air temperatures and daily precipitation collected at Everglades Station (Coop ID- 082850). This site was terminated at the end of 2017.

H.J. Andrews Forest Discovery Trail: An interpretation of place based on curriculum of interpretive learning trail and field trip support, 2016

Lissy Goralnik & Kari B. O'Connell
The H.J. Andrews Experimental Forest (HJA) in the Oregon Cascades is one of 24 sites in the Long-Term Ecological Research (LTER) Network. It supports research on forests, streams, and watersheds, and fosters collaborations between ecosystem science, education, natural resource management, and the humanities. The site currently hosts 85 interdisciplinary research projects, as well as experiential training for undergraduate and graduate students. In addition, the HJA runs a vibrant professional development program for teachers. Because much...

Data to support manuscript: A Comparison of Two ROV Survey Methods Used to Estimate Fish Assemblages and Densities Around a California Oil Platform

Milton S Love, Mary M Nishimoto & Li Kui
This fish dataset was collected at platform Harmony, between Aug 25 and Aug 26, 2018. The ROV fish survey was done with two methods: industry (mimicking an inspection survey conducted for platform structural inspections) and biological method. Due to differences between the two methods in the positioning of the ROV vis a vis the jacket crossbeams, fish densities and diversities were different between the two methods at the platform bottom. This dataset provides fish counts...

CEE01 The Climate Extremes Experiment (CEE): Assessing ecosystem resistance and resilience to repeated climate extremes at Konza Prairie

Melinda Smith & Alan Knapp
Climate extremes, such as drought, are increasing in frequency and intensity, and the ecological consequences of these extreme events can be substantial and widespread. Yet, little is known about the factors that determine recovery (or resilience) of ecosystem function post-drought. Such knowledge is particularly important because post-drought recovery periods can be protracted depending on drought legacy effects (e.g., loss key plant populations, altered community structure and/or biogeochemical processes). These drought legacies may alter ecosystem function...

Eight Mile Lake Research Watershed, Carbon in Permafrost Experimental Heating Research (CiPEHR): Half-hourly growing season, chamber-based, CO2 flux data, 2009-2019

Heidi G Rodenhizer, Marguerite Mauritz, Meghan A. Taylor, Justin Ledman, Susan M.N. Natali, Edward A.G. Schuur & Bonanza Creek LTER
The Carbon in Permafrost Experimental Heating Research (CiPEHR) project addresses the following questions: 1) Does ecosystem warming cause a net release of C from the ecosystem to the atmosphere?, 2) Does the decomposition of old C, that comprises the bulk of the soil C pool, influence ecosystem C loss?, and 3) How do winter and summer warming alone, and in combination, affect ecosystem C exchange? We are answering these questions using a combination of field...

Eight Mile Lake Research Watershed, Thaw Gradient: Seasonal thaw depth 2004-2019

Allison K Kelley, Elaine F. Pegoraro, Marguerite Mauritz, Jack A. Hutchings, Susan M.N. Natali, Caitlin Elizabeth Hicks-Pries & Bonanza Creek LTER
In this larger study, we are asking the question: Is old carbon that comprises the bulk of the soil organic matter pool released in response to thawing of permafrost? We are answering this question by using a combination of field and laboratory experiments to measure radiocarbon isotope ratios in soil organic matter, soil respiration, and dissolved organic carbon, in tundra ecosystems. The objective of these proposed measurements is to develop a mechanistic understanding of the...

Eight Mile Lake Research Watershed, Carbon in Permafrost Experimental Heating and Drying Research (DryPEHR): Weekly thaw depth data, 2011-2019

Allison K Kelley, Elaine F. Pegoraro, Marguerite Mauritz, Jack A. Hutchings, Susan M.N. Natali, Edward A.G. Schuur & Bonanza Creek LTER
This drying and warming experiment addresses the following questions: 1) Does ecosystem drying, warming and permafrost thaw cause a net release or uptake of C from the ecosystem to the atmosphere?, 2) Does the decomposition of old C that comprises the bulk of the soil C pool influence ecosystem C loss? 3) How do drying and warming affect plant communities and ecosystem properties? We are answering these questions using a combined warming and drying experiment...

Eight Mile Lake Research Watershed, Carbon in Permafrost Experimental Heating Research (CiPEHR): Weekly thaw depth data, 2009-2019

Allison K Kelley, Elaine F. Pegoraro, Marguerite Mauritz, Jack A. Hutchings, Susan M.N. Natali, Caitlin Elizabeth Hicks-Pries, Edward A.G. Schuur & Bonanza Creek LTER
The Carbon in Permafrost Experimental Heating Research (CiPEHR) project addresses the following questions: 1) Does ecosystem warming cause a net release of C from the ecosystem to the atmosphere?, 2) Does the decomposition of old C, that comprises the bulk of the soil C pool, influence ecosystem C loss?, and 3) How do winter and summer warming alone, and in combination, affect ecosystem C exchange? We are answering these questions using a combination of field...

Eight Mile Lake Research Watershed, Carbon in Permafrost Experimental Heating Research (CiPEHR): Phenology of Dominant Plant Species III - Flowering Date 2013-2019

Stephanie Kadej, Heidi G Rodenhizer, Marguerite Mauritz, Meghan A. Taylor, Justin Ledman, Susan M.N. Natali, Edward A.G. Schuur & Bonanza Creek LTER
The Carbon in Permafrost Experimental Heating Research (CiPEHR) project addresses the following questions: 1) Does ecosystem warming cause a net release of C from the ecosystem to the atmosphere?, 2) Does the decomposition of old C, that comprises the bulk of the soil C pool, influence ecosystem C loss?, and 3) How do winter and summer warming alone, and in combination, affect ecosystem C exchange? We are answering these questions using a combination of field...

Eight Mile Lake Research Watershed, Carbon in Permafrost Experimental Heating Research (CiPEHR): Phenology of Dominant Plant Species II - Berry Production 2013-2019

Heidi G Rodenhizer, Stephanie Kadej, Marguerite Mauritz, Meghan A. Taylor, Justin Ledman, Susan M.N. Natali, Edward A.G. Schuur & Bonanza Creek LTER
The Carbon in Permafrost Experimental Heating Research (CiPEHR) project addresses the following questions: 1) Does ecosystem warming cause a net release of C from the ecosystem to the atmosphere?, 2) Does the decomposition of old C, that comprises the bulk of the soil C pool, influence ecosystem C loss?, and 3) How do winter and summer warming alone, and in combination, affect ecosystem C exchange? We are answering these questions using a combination of field...

Eight Mile Lake Research Watershed, Carbon in Permafrost Experimental Heating Research (CiPEHR): Phenology of Dominant Plant Species I - Bud burst and Senescence 2013-2019

Stephanie Kadej, Heidi G Rodenhizer, Marguerite Mauritz, Meghan A. Taylor, Justin Ledman, Susan M.N. Natali, Edward A.G. Schuur & Bonanza Creek LTER
The Carbon in Permafrost Experimental Heating Research (CiPEHR) project addresses the following questions: 1) Does ecosystem warming cause a net release of C from the ecosystem to the atmosphere?, 2) Does the decomposition of old C, that comprises the bulk of the soil C pool, influence ecosystem C loss?, and 3) How do winter and summer warming alone, and in combination, affect ecosystem C exchange? We are answering these questions using a combination of field...

Eight Mile Lake Research Watershed, Carbon in Permafrost Experimental Heating and Drying Research (DryPEHR): Phenology of Dominant Plant Species III - Flowering Date 2013-2019

Stephanie Kadej, Heidi G Rodenhizer, Marguerite Mauritz, Meghan A. Taylor, Justin Ledman, Susan M.N. Natali, Edward A.G. Schuur & Bonanza Creek LTER
This drying and warming experiment addresses the following questions: 1) Does ecosystem drying, warming and permafrost thaw cause a net release or uptake of C from the ecosystem to the atmosphere?, 2) Does the decomposition of old C that comprises the bulk of the soil C pool influence ecosystem C loss? 3) How do drying and warming affect plant communities and ecosystem properties? We are answering these questions using a combined warming and drying experiment...

Eight Mile Lake Research Watershed, Carbon in Permafrost Experimental Heating and Drying Research (DryPEHR): Phenology of Dominant Plant Species II - Berry Production 2013-2019

Stephanie Kadej, Heidi G Rodenhizer, Marguerite Mauritz, Meghan A. Taylor, Justin Ledman, Susan M.N. Natali, Edward A.G. Schuur & Bonanza Creek LTER
This drying and warming experiment addresses the following questions: 1) Does ecosystem drying, warming and permafrost thaw cause a net release or uptake of C from the ecosystem to the atmosphere?, 2) Does the decomposition of old C that comprises the bulk of the soil C pool influence ecosystem C loss? 3) How do drying and warming affect plant communities and ecosystem properties? We are answering these questions using a combined warming and drying experiment...

Eight Mile Lake Research Watershed, Carbon in Permafrost Experimental Heating and Drying Research (DryPEHR): Phenology of Dominant Plant Species I - Bud burst and Senescence 2013-2019

Stephanie Kadej, Heidi G Rodenhizer, Marguerite Mauritz, Meghan A. Taylor, Justin Ledman, Susan M.N. Natali, Edward A.G. Schuur & Bonanza Creek LTER
This drying and warming experiment addresses the following questions: 1) Does ecosystem drying, warming and permafrost thaw cause a net release or uptake of C from the ecosystem to the atmosphere?, 2) Does the decomposition of old C that comprises the bulk of the soil C pool influence ecosystem C loss? 3) How do drying and warming affect plant communities and ecosystem properties? We are answering these questions using a combined warming and drying experiment...

Eight Mile Lake Research Watershed, Carbon in Permafrost Experimental Heating Research (CiPEHR): Winter ecosystem respiration measurements using soda lime, 2010-2019

Anthony J Garnello, Marguerite Mauritz, Meghan A. Taylor, Justin Ledman, Elizabeth E Webb, Edward A.G. Schuur & Bonanza Creek LTER
The Carbon in Permafrost Experimental Heating Research (CiPEHR) project addresses the following questions: 1) Does ecosystem warming cause a net release of C from the ecosystem to the atmosphere?, 2) Does the decomposition of old C, that comprises the bulk of the soil C pool, influence ecosystem C loss?, and 3) How do winter and summer warming alone, and in combination, affect ecosystem C exchange? We are answering these questions using a combination of field...

Eight Mile Lake Research Watershed, Thaw Gradient: NDVI 2013-2019

Anthony J Garnello, Gerardo Celis, Justin Ledman, Edward A.G. Schuur & Bonanza Creek LTER
This drying and warming experiment addresses the following questions: 1) Does ecosystem drying, warming and permafrost thaw cause a net release or uptake of C from the ecosystem to the atmosphere?, 2) Does the decomposition of old C that comprises the bulk of the soil C pool influence ecosystem C loss? 3) How do drying and warming affect plant communities and ecosystem properties? We are answering these questions using a combined warming and drying experiment...

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