Photo Gallery

UCB: Lysine app in LTAR Lysimeters-0688

Outreach at the University of Florida

Outreach at the University of Florida

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NGPRL micrometeorological station at LTAR field site-winter

SortingInTheLab

Sorting through harvested vegetation

UCB: Lysine app in LTAR Lysimeters-0678

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CPERclippingANPP

Clipping aboveground biomass from a Central Plains Experimental Range long-term research plot

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The American pronghorn is a common ungulate at the Central Plains Experimental Range (Photo by M. Lindquist)

Archbold – Site Description Update II

Archbold 2016 meeting – Image 1

Small Flume and Box

PrescribedBurn

Prescribed burning is used a management strategy to increase vegetation structure heterogeneity in the landscape at the Central Plains Experimental Range

Sensor-based variable-rate N fertilization of wheat

Sensor-based variable-rate N fertilization of wheat

FlumeOne_v2

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Research associate Kevin Kahmark and graduate student Di Liang discuss peak integration.

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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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GACP_Tifton GA Little River WQ sampling 2

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Researcher Kevin Kahmark adjusts fittings on automatic gas sampling chamber.

UCB: LTAR Manure injection with hose (1 of 1)

Two gas frames on either side of corn plants

A pasture burn with an Eddy Flux tower in the background

A pasture burn with an Eddy Flux tower in the background

JER LTAR common experiment veg sampling

JER LTAR common experiment veg sampling

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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

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A plant diversity plot at ArchboldUF_RCREC

20160929_151047_H5-soil-sampling

Baseline soil sampling at LTAR field site.

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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.

7.gb.tollgate-weir

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

UCB: LTAR Eddy Tower (1 of 1)

Beef cow_GPS in native prairie

Study of grazing behavior in LTAR native prairie pasture Common Experiment site.

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SP #13 hyperspectral data from native prairie

Collecting data for analysis of forage biomass and quality from Common Experiment native prairie site.

UCB: LTAR Manure injection (2 of 2)

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Corn at peak biomass at LTAR field site.

CPER_Asprirational

SP canola in common experiment

Water, energy, and GHG fluxes from canola site in Common Experiment “GREEN Farm”

A cowboy herds cattle on an improved pasture

A cowboy herds cattle on an improved pasture

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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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GPS collar to monitor grazing patterns of beef cow on native praire pasture. Southern Plains LTAR, USDA ARS, El Reno, Oklahoma. (Photographer: Rick Todd).

OLYMPUS DIGITAL CAMERA

OLYMPUS DIGITAL CAMERA

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.

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Milutin taking gas samples

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Steers are fit with GPS collars and pedometers, which are used to assess livestock movement and grazing activity

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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

Harvesting by ASP field weir

Harvesting by ASP field weir

UCB: Lysine app in LTAR Lysimeters-0664

Swamp buggy tour at the MAERC site

Swamp buggy tour at the MAERC site

Sensor-based variable-rate N fertliziation of corn

Sensor-based variable-rate N fertliziation of corn

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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

Field Researchers at water level monitoring station

Field Researchers at water level monitoring station

GACB_TiftonGA_Eddy FluxStation

Tour group gets an amphibian talk

Tour group gets an amphibian talk

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KBS LTER investigator Kevin Kahmark analyzes greenhouse gas samples in the lab; Photo Credit: K.Stepnitz, Michigan State University

UCB: Lysine app in LTAR Lysimeters-0693

Sampling from large frame

Milutin measuring soil moisture in corn field

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Establishing plot corners for the LTAR plot-scale experiment.

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NGPRL micrometerorological station at LTAR field site-summer.

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KBS_FluxTower_1

Winter 2016 CFG LTAR Input_Cropped

Gathering input from the NGPRL Customer Focus Group about teatment designs for LTAR Common Experiment

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.