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Riparian Evapotranspiration (Et) Study (Seon) From The Middle Rio Grande River Bosque, New Mexico (1999-2011): Micrometeorological Data, Jim Thibault, Clifford Dahm
Riparian Evapotranspiration (Et) Study (Seon) From The Middle Rio Grande River Bosque, New Mexico (1999-2011): Micrometeorological Data, Jim Thibault, Clifford Dahm
Sevilleta LTER Program Data
This study originated with the objective of parameterizing riparian evapotranspiration (ET) in the water budget of the Middle Rio Grande. We hypothesized that flooding and invasions of non-native species would strongly impact ecosystem water use. Our objectives were to measure and compare water use of native (Rio Grande cottonwood, Populus deltoides ssp. wizleni) and non-native (saltcedar, Tamarix chinensis, Russian olive, Eleagnus angustifolia) vegetation and to evaluate how water use is affected by climatic variability resulting in high river flows and flooding as well as drought conditions and deep water tables. Eddy covariance flux towers to measure ET and shallow wells …
Ecosystem-Scale Rainfall Manipulation In A Piñon-Juniper Forest At The Sevilleta National Wildlife Refuge, New Mexico: Sap Flow Data (2006-2013), William Pockman, Nathan Mcdowell
Ecosystem-Scale Rainfall Manipulation In A Piñon-Juniper Forest At The Sevilleta National Wildlife Refuge, New Mexico: Sap Flow Data (2006-2013), William Pockman, Nathan Mcdowell
Sevilleta LTER Program Data
Climate models predict that water limited regions around the world will become drier and warmer in the near future, including southwestern North America. We developed a large-scale experimental system that allows testing of the ecosystem impacts of precipitation changes. Four treatments were applied to 1600 m2 plots (40 m × 40 m), each with three replicates in a pinon pine (Pinus edulis) and juniper (Juniper monosperma) ecosystem. These species have extensive root systems, requiring large-scale manipulation to effectively alter soil water availability. Treatments consisted of: 1) irrigation plots that receive supplemental water additions, 2) drought plots that receive 55% of …
Ecosystem-Scale Rainfall Manipulation In A Piñon-Juniper Forest At The Sevilleta National Wildlife Refuge, New Mexico: Soil Temperature Data (2006-2013), William Pockman, Nathan Mcdowell
Ecosystem-Scale Rainfall Manipulation In A Piñon-Juniper Forest At The Sevilleta National Wildlife Refuge, New Mexico: Soil Temperature Data (2006-2013), William Pockman, Nathan Mcdowell
Sevilleta LTER Program Data
Climate models predict that water limited regions around the world will become drier and warmer in the near future, including southwestern North America. We developed a large-scale experimental system that allows testing of the ecosystem impacts of precipitation changes. Four treatments were applied to 1600 m2 plots (40 m — 40 m), each with three replicates in a piñon pine (Pinus edulis) and juniper (Juniper monosperma) ecosystem. These species have extensive root systems, requiring large-scale manipulation to effectively alter soil water availability. Â Treatments consisted of: 1) irrigation plots that receive supplemental water additions, 2) drought plots that receive 55% …
Hobo Datalogger-Derived Precipitation Data From The Sevilleta National Wildlife Refuge, New Mexico (2008-Present), Douglas I. Moore
Hobo Datalogger-Derived Precipitation Data From The Sevilleta National Wildlife Refuge, New Mexico (2008-Present), Douglas I. Moore
Sevilleta LTER Program Data
Precipitation is recognized as the most spatially variable abiotic variable in arid ecosystems such as the Sevilleta National Wildlife Refuge (NWR). Water is also usually the limiting factor in such environments so the accurate measurement of precipitation in both space and time is vital to understanding ecosystem dynamics. In 2008, the acquisition of a number of tipping-bucket rain gauges with Hobo dataloggers permitted the deployment of gauges into an increased number of locations on the Sevilleta NWR. Most dataloggers were installed in the greater Five Points area and primarily placed around the site of the 2003 burn study. A few …
Time Domain Reflectometry At The Sevilleta National Wildlife Refuge, New Mexico (1996-2005), James Gosz
Time Domain Reflectometry At The Sevilleta National Wildlife Refuge, New Mexico (1996-2005), James Gosz
Sevilleta LTER Program Data
This file contains hourly time-domain reflectometry (TDR) soil moisture data for 1996-2005. A key factor in a spatially explicit water-balance model is a measure of moisture in the soils over time. This metric is crucial for both calibration and validation of such a model. One of the best methods of measuring soil moisture on a continuous basis is TDR. Therefore, a network of TDR soil moisture sensors was installed at all meteorological stations on the Sevilleta National Wildlife Refuge. At two of the sites the sensors were measured on an hourly basis in conjunction with the meteorological variables. At the …
Warming-El Nino-Nitrogen Deposition Experiment (Wenndex): Net Primary Production Quadrat Data At The Sevilleta National Wildlife Refuge, New Mexico (2006 -Present), Scott Collins, William Pockman, Joe Fargione
Warming-El Nino-Nitrogen Deposition Experiment (Wenndex): Net Primary Production Quadrat Data At The Sevilleta National Wildlife Refuge, New Mexico (2006 -Present), Scott Collins, William Pockman, Joe Fargione
Sevilleta LTER Program Data
Humans are creating significant global environmental change, including shifts in climate, increased nitrogen (N) deposition, and the facilitation of species invasions. A multi-factorial field experiment is being performed in an arid grassland within the Sevilleta National Wildlife Refuge (NWR) to simulate increased nighttime temperature, higher N deposition, and heightened El Niño frequency (which increases winter precipitation by an average of 50%). The purpose of the experiment is to better understand the potential effects of environmental change on grassland community composition and the growth of introduced creosote seeds and seedlings. The focus is on the response of three dominant species, all …
Mega-Monsoon Experiment (Megame) Vegetation Sampling Data From The Sevilleta National Wildlife Refuge, New Mexico (2014 - Present), Scott Collins
Mega-Monsoon Experiment (Megame) Vegetation Sampling Data From The Sevilleta National Wildlife Refuge, New Mexico (2014 - Present), Scott Collins
Sevilleta LTER Program Data
Shrub encroachment is a global phenomenon. Both the causes and consequences of shrub encroachment vary regionally and globally. In the southwestern US a common native C3 shrub species, creosotebush, has invaded millions of hectares of arid and semi-arid C4-dominated grassland. At the Sevilleta LTER site, it appears that the grassland-shrubland ecotone is relatively stable, but infill by creosotebush continues to occur. The consequences of shrub encroachment have been and continue to be carefully documented, but the ecological drivers of shrub encroachment in the southwestern US are not well known.One key factor that may promote shrub encroachment is grazing by domestic …
Meteorology Data From The Sevilleta National Wildlife Refuge, New Mexico (1988- Present), Douglas I. Moore
Meteorology Data From The Sevilleta National Wildlife Refuge, New Mexico (1988- Present), Douglas I. Moore
Sevilleta LTER Program Data
This file contains hourly meteorological data that were collected from a network of 10 permanent weather stations on the Sevilleta National Wildlife Refuge.
Ecosystem-Scale Rainfall Manipulation In A Piñon-Juniper Forest At The Sevilleta National Wildlife Refuge, New Mexico: Meteorological Data (2006-2013), William Pockman, Nathan Mcdowell
Ecosystem-Scale Rainfall Manipulation In A Piñon-Juniper Forest At The Sevilleta National Wildlife Refuge, New Mexico: Meteorological Data (2006-2013), William Pockman, Nathan Mcdowell
Sevilleta LTER Program Data
Climate models predict that water limited regions around the world will become drier and warmer in the near future, including southwestern North America. We developed a large-scale experimental system that allows testing of the ecosystem impacts of precipitation changes. Four treatments were applied to 1600 m2 plots (40 m × 40 m), each with three replicates in a piñon pine (Pinus edulis) and juniper (Juniper monosperma) ecosystem. These species have extensive root systems, requiring large-scale manipulation to effectively alter soil water availability. Treatments consisted of: 1) irrigation plots that receive supplemental water additions, 2) drought plots that receive 55% of …
Ecosystem-Scale Rainfall Manipulation In A Piñon-Juniper Forest At The Sevilleta National Wildlife Refuge, New Mexico: Volumetric Water Content (Vwc) At 5 Cm Depth Data (2006- ), William Pockman, Nathan Mcdowell
Ecosystem-Scale Rainfall Manipulation In A Piñon-Juniper Forest At The Sevilleta National Wildlife Refuge, New Mexico: Volumetric Water Content (Vwc) At 5 Cm Depth Data (2006- ), William Pockman, Nathan Mcdowell
Sevilleta LTER Program Data
Climate models predict that water limited regions around the world will become drier and warmer in the near future, including southwestern North America. We developed a large-scale experimental system that allows testing of the ecosystem impacts of precipitation changes. Four treatments were applied to 1600 m2 plots (40 m × 40 m), each with three replicates in a piñon pine (Pinus edulis) and juniper (Juniper monosperma) ecosystem. These species have extensive root systems, requiring large-scale manipulation to effectively alter soil water availability. Treatments consisted of: 1) irrigation plots that receive supplemental water additions, 2) drought plots that receive 55% of …
Linking Precipitation And C3 - C4 Plant Production To Resource Dynamics In Higher Trophic Level Consumers: Lizard Data (2005-2006), Robin Warne
Sevilleta LTER Program Data
In many ecosystems, seasonal shifts in temperature and precipitation induce pulses of primary productivity that vary in phenology, abundance and nutritional quality. Â Variation in these resource pulses could strongly influence community composition and ecosystem function, because these pervasive bottom-up forces play a primary role in determining the biomass, life cycles and interactions of organisms across trophic levels. Â The focus of this research is to understand how consumers across trophic levels alter resource use and assimilation over seasonal and inter-annual timescales in response to climatically driven changes in pulses of primary productivity. We measured the carbon isotope ratios (d13C) …
Linking Precipitation And C3 - C4 Plant Production To Resource Dynamics In Higher Trophic Level Consumers: Insect Data (2005-2006), Robin Warne
Sevilleta LTER Program Data
In many ecosystems, seasonal shifts in temperature and precipitation induce pulses of primary productivity that vary in phenology, abundance and nutritional quality. Variation in these resource pulses could strongly influence community composition and ecosystem function, because these pervasive bottom-up forces play a primary role in determining the biomass, life cycles and interactions of organisms across trophic levels. The focus of this research is to understand how consumers across trophic levels alter resource use and assimilation over seasonal and inter-annual timescales in response to climatically driven changes in pulses of primary productivity. We measured the carbon isotope ratios (d13C) of plant, …
Warming-El Nino-Nitrogen Deposition Experiment (Wenndex): Meteorology Data (4/30/2007 - 8/5/2009), Scott Collins
Warming-El Nino-Nitrogen Deposition Experiment (Wenndex): Meteorology Data (4/30/2007 - 8/5/2009), Scott Collins
Sevilleta LTER Program Data
Humans are creating significant global environmental change, including shifts in climate, increased nitrogen (N) deposition, and the facilitation of species invasions. A multi-factorial field experiment is being performed in an arid grassland within the Sevilleta National Wildlife Refuge (NWR) to simulate increased nighttime temperature, higher N deposition, and heightened El Niño frequency (which increases winter precipitation by an average of 50%). The purpose of the experiment is to better understand the potential effects of environmental change on grassland community composition and the growth of introduced creosote seeds and seedlings. The focus is on the response of three dominant species, all …
Monsoon Rainfall Manipulation Experiment (Mrme) Meteorology Data From A Chihuahuan Desert Grassland At The Sevilleta National Wildlife Refuge, New Mexico (7/2007 - 8/2009), Scott Collins
Sevilleta LTER Program Data
The Monsoon Rainfall Manipulation Experiment (MRME) is to understand changes in ecosystem structure and function of a semiarid grassland caused by increased precipitation variability, which alters the pulses of soil moisture that drive primary productivity, community composition, and ecosystem functioning. The overarching hypothesis being tested is that changes in event size and variability will alter grassland productivity, ecosystem processes, and plant community dynamics. In particular, we predict that many small events will increase soil CO2 effluxes by stimulating microbial processes but not plant growth, whereas a small number of large events will increase aboveground NPP and soil respiration by providing …
Plant Water Potentials And Plant Physiology At The Sevilleta National Wildlife Refuge, New Mexico (1989-1992), Charles Wisdom
Plant Water Potentials And Plant Physiology At The Sevilleta National Wildlife Refuge, New Mexico (1989-1992), Charles Wisdom
Sevilleta LTER Program Data
Physiological status of plants is monitored in conjunction with the sampling schedule outlined in Sevilleta Plant Demography. Several perennial life forms, including tree (Juniperus and Pinus), shrub (Larrea) and grass (Oryzopsis and Sporobolus), are being monitored at 1-3 of four sites which differ in elevation and topography as well as edaphic and annual precipitation characteristics. For the 1990 field season we are adding a spring annual, Lesquerella to our sampling efforts at these same sites. Currently, water status (xylem potentials, bars) is monitored twice a year, in spring (after the 'dry' season) and fall (after the 'wet' season). Three replicate …
Monsoon Rainfall Manipulation Experiment (Mrme) Soil Temperature Data From The Sevilleta National Wildlife Refuge, New Mexico (7/2007-8/2009), Scott Collins
Sevilleta LTER Program Data
The Monsoon Rainfall Manipulation Experiment (MRME) is to understand changes in ecosystem structure and function of a semiarid grassland caused by increased precipitation variability, which alters the pulses of soil moisture that drive primary productivity, community composition, and ecosystem functioning. The overarching hypothesis being tested is that changes in event size and variability will alter grassland productivity, ecosystem processes, and plant community dynamics. In particular, we predict that many small events will increase soil CO2 effluxes by stimulating microbial processes but not plant growth, whereas a small number of large events will increase aboveground NPP and soil respiration by providing …
Monsoon Rainfall Manipulation Experiment (Mrme) Soil Moisture Data From The Sevilleta National Wildlife Refuge, New Mexico (7/2007 - 8/2009), Scott Collins
Sevilleta LTER Program Data
The Monsoon Rainfall Manipulation Experiment (MRME) is to understand changes in ecosystem structure and function of a semiarid grassland caused by increased precipitation variability, which alters the pulses of soil moisture that drive primary productivity, community composition, and ecosystem functioning. The overarching hypothesis being tested is that changes in event size and variability will alter grassland productivity, ecosystem processes, and plant community dynamics. In particular, we predict that many small events will increase soil CO2 effluxes by stimulating microbial processes but not plant growth, whereas a small number of large events will increase aboveground NPP and soil respiration by providing …
Monsoon Rainfall Manipulation Experiment (Mrme) Carbon Dioxide Data From The Sevilleta National Wildlife Refuge, New Mexico (7/2007-8/2009), Scott Collins
Sevilleta LTER Program Data
The Monsoon Rainfall Manipulation Experiment (MRME) is to understand changes in ecosystem structure and function of a semiarid grassland caused by increased precipitation variability, which alters the pulses of soil moisture that drive primary productivity, community composition, and ecosystem functioning. The overarching hypothesis being tested is that changes in event size and variability will alter grassland productivity, ecosystem processes, and plant community dynamics. In particular, we predict that many small events will increase soil CO2 effluxes by stimulating microbial processes but not plant growth, whereas a small number of large events will increase aboveground NPP and soil respiration by providing …
Water Balance Modeling Project At The Sevilleta National Wildlife Refuge, New Mexico: Vegetation Plot Data (1995-1998), Bruce Milne, Yuelong Yang
Water Balance Modeling Project At The Sevilleta National Wildlife Refuge, New Mexico: Vegetation Plot Data (1995-1998), Bruce Milne, Yuelong Yang
Sevilleta LTER Program Data
The water balance vegetation plots were part of a larger water balance monitoring project at the Sevilleta LTER. The plots were designed to measure the percent cover of photosynthetic/transpiring (green) plant species at specific sites where time domain reflectometry (TDR) probes and weather stations were already installed. In 1995, there were three sites (Field Station, Deep Well and Rio Salado). A 30m x 30m plot was installed at each site, and collection of vegetation data commenced in July 1995. Percent cover (green) and species identities were recorded monthly at a representative sample of 1m square quadrats within each plot.
Rainfall Manipulation Study Vegetation Data From The Chihuahuan Desert Grassland And Creosote Shrubland At The Sevilleta National Wildlife Refuge, New Mexico (2003-2011), William Pockman
Sevilleta LTER Program Data
The overall goal of the rainfall manipulation project is to understand the coupled ecological and hydrological responses of a grassland, shrubland and a mixed grass-shrub vegetation community to extended periods of increased or decreased rainfall. Rainfall manipulation plots have been established in each of these three vegetation communities in the Five Points area of Sevilleta National Wildlife Refuge. In each vegetation community, three control plots, three drought treatment plots, and three water addition plots have been installed, each approximately 10 x 15 m in size. In each plot, vertical profiles of soil moisture probes have been installed under each cover …
Precipitation Chemistry Data For The Sevilleta National Wildlife Refuge, New Mexico (1989-Present), Douglas I. Moore
Precipitation Chemistry Data For The Sevilleta National Wildlife Refuge, New Mexico (1989-Present), Douglas I. Moore
Sevilleta LTER Program Data
This data set includes precipitation chemisty from 20 funnel collectors on the Sevilleta National Wildlife Refuge (NWR). Variables measured include volume, NO3-N, NH4-N, SO4, Cl, Na, K, Ca, Mg, and PO4. The sample interval depends on the frequency of significant precipitations events. Field collection of precipitation chemistry samples occurred as soon after a significant precipitation event as possible (usually within a week after the event). In some cases collection of precipitation chemistry samples occurred more often than meteorlogical station samples (summer, fall), and sometimes less often (winter, spring). Precipitation chemistry samples were collected only when there was enough sample to …