Photo Gallery
Some selected photos from LTAR sites
Outreach at the University of Florida
Outreach at the University of Florida
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NGPRL micrometeorological station at LTAR field site-winter
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OLYMPUS DIGITAL CAMERA
PrescribedBurn
Prescribed burning is used a management strategy to increase vegetation structure heterogeneity in the landscape at the Central Plains Experimental Range
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Carbon dynamics, including net ecosystem exchange, litter fall, soil respiration, plant productivity and related water uptake, are monitored along an elevational gradient. This phenocam view is of the lowest elevation, Wyoming big sagebrush, site. Snow is common, but ephemeral during the winter.
JER LTAR common experiment veg sampling
JER LTAR common experiment veg sampling
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A plant diversity plot at ArchboldUF_RCREC
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Field Researchers at water level monitoring station
Field Researchers at water level monitoring station
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GLBRC/LTER scientist Terenzio Zenone checks the carbon dioxide flux tower on a GLBRC / KBS LTER switchgrass field (Marshall Farm); Photo Credit: B. Zenone, Michigan State University
Sampling from large frame
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GPS collar to monitor grazing patterns of beef cow on native praire pasture. Southern Plains LTAR, USDA ARS, El Reno, Oklahoma. (Photographer: Rick Todd).
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CARMsteerWithCollar
Steers are fit with GPS collars and pedometers, which are used to assess livestock movement and grazing activity
CPERclippingANPP
Clipping aboveground biomass from a Central Plains Experimental Range long-term research plot
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UCB: LTAR Manure injection with hose (1 of 1)
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Ian Leslie, USDA-ARS Physical Scientist, taking deep core soil samples at Cook West for baseline soil characterization.
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The American pronghorn is a common ungulate at the Central Plains Experimental Range (Photo by M. Lindquist)
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Tour group gets an amphibian talk
Tour group gets an amphibian talk
UCB: Lysine app in LTAR Lysimeters-0693
SP #13 hyperspectral data from native prairie
Collecting data for analysis of forage biomass and quality from Common Experiment native prairie site.
rumen sampling
Emptying the rumen vac used for evaluating quantity and quality of forage intake of grazing beef cattle. Southern Plains LTAR, USDA ARS, El Reno, Oklahoma. Partially funded by: USDA-NIFA #2013-69002-23146.
GACP_Tifton GA Little River WQ sampling 2
GACB_TiftonGA_Eddy FluxStation
UCB: LTAR Manure injection (2 of 2)
sampling rumen for intake studies in prairie pasture
Collecting consumed forage from canulated steer as part of an intensive campaign of the NIFA-funded Grazing CAP. Collaborators: SP LTAR, ARS Bushland, ARS Woodward, University of Oklahoma, Oklahoma State University, the Noble Research Institute.
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Corn at peak biomass at LTAR field site.
Two gas frames on either side of corn plants
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Sorting through harvested vegetation
Archbold – Site Description Update II
Archbold 2016 meeting – Image 1
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Research technician Matt Dornan collecting greenhouse gas samples in the early successional field plots of the KBS LTER/GLBRC Biofuels research program, Photo Credit: K. Stepnitz, Michigan State University KBS LTER
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NGPRL micrometerorological station at LTAR field site-summer.
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KBS LTER researcher Kevin Kahmark works on the automated greenhouse gas sampling system, part of the KBS LTER biofuels experiment; Photo Credit: K.Stepnitz, Michigan State University
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Sensor-based variable-rate N fertliziation of corn
Sensor-based variable-rate N fertliziation of corn
Harvesting by ASP field weir
Harvesting by ASP field weir
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Researcher Kevin Kahmark adjusts fittings on automatic gas sampling chamber.
CPER_Asprirational
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Beef cow_GPS in native prairie
Study of grazing behavior in LTAR native prairie pasture Common Experiment site.
Milutin measuring soil moisture in corn field
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SP canola in common experiment
Water, energy, and GHG fluxes from canola site in Common Experiment “GREEN Farm”
UCB: LTAR Eddy Tower (1 of 1)
Swamp buggy tour at the MAERC site
Swamp buggy tour at the MAERC site
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Large field day crowd learning about the Collaborative Adaptive Rangeland Management experiment (part of the LTAR Common Experiment) at the Central Plains Experimental Range
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A cowboy herds cattle on an improved pasture
A cowboy herds cattle on an improved pasture
Winter 2016 CFG LTAR Input_Cropped
Gathering input from the NGPRL Customer Focus Group about teatment designs for LTAR Common Experiment
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KBS LTER investigator Kevin Kahmark analyzes greenhouse gas samples in the lab; Photo Credit: K.Stepnitz, Michigan State University
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Research associate Kevin Kahmark and graduate student Di Liang discuss peak integration.
Milutin taking gas samples
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Establishing plot corners for the LTAR plot-scale experiment.
UCB: Lysine app in LTAR Lysimeters-0688
Sensor-based variable-rate N fertilization of wheat
Sensor-based variable-rate N fertilization of wheat
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Baseline soil sampling at LTAR field site.
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Reynolds Creek at Tollgate weir defines an area of about a quarter (55 km²) of Reynolds Creek Experimental Watershed almost entirely comprised of the upper elevations that receive the greatest annual precipitation which predominately falls as snow. Elevations range from 1410 m to 2241 m. Vegetation is primarily sagebrush rangelands with small stands of Douglas fir (Pseudotsuga menziesii), aspen (Populus spp.), and Alpine Fir (Abies lasiocarpa) at the higher elevations
A pasture burn with an Eddy Flux tower in the background
A pasture burn with an Eddy Flux tower in the background
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Small Flume and Box
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UCB: Lysine app in LTAR Lysimeters-0678
UCB: Lysine app in LTAR Lysimeters-0664
ABOUT LTAR
The USDA Agricultural Research Service (ARS) Long-Term Agroecosystem Research network consists of 18 Federal and university agricultural research sites with an average of over 50 years of history. The goal of this research network is to ensure sustained crop and livestock production and ecosystem services from agroecosystems, and to forecast and verify the effects of environmental trends, public policies, and emerging technologies.