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Livestock Exclosure Study: Aboveground Standing Crop From A Chihuahuan Desert Grassland At The Sevilleta National Wildlife Refuge, New Mexico (2005-2007), Scott Collins
Sevilleta LTER Program Data
Grazing in grasslands creates changes in plant community structure. The magnitude of these changes depends on the productivity and the intensity of grazing. Low productivity grasslands coupled with high grazing intensity may lead to shrub encroachment in some aridland ecosystems. We examined the effects of cattle grazing in arid grassland at the Sevilleta LTER site in central New Mexico USA where cattle were removed in 1973 and an area just north of the Sevilleta LTER where grazing by cattle still occurs. At each site we measured plant species composition and cover in permanent plots in the spring and fall from …
Nitrogen Fertilization Experiment (Nfert): Seasonal Biomass And Seasonal And Annual Npp Data At The Sevilleta National Wildlife Refuge, New Mexico (2004- Present), Scott Collins
Sevilleta LTER Program Data
Begun in spring 2004, this long-term study at the Sevilleta LTER examines how fertilization affects above-ground biomass production (ANPP) in a mixed desert-grassland. Net primary production is a fundamental ecological variable that quantifies rates of carbon consumption and fixation. Estimates of NPP are important in understanding energy flow at a community level as well as spatial and temporal responses to a range of ecological processes. While measures of both below- and above-ground biomass are important in estimating total NPP, this study focuses on above-ground net primary production (ANPP). Above-ground net primary production is the change in plant biomass, including loss …
Core Research Site Web Seasonal Biomass And Seasonal And Annual Npp Data For The Net Primary Production Study At The Sevilleta National Wildlife Refuge, New Mexico (1999-Present), Esteban Muldavin, Douglas I. Moore
Core Research Site Web Seasonal Biomass And Seasonal And Annual Npp Data For The Net Primary Production Study At The Sevilleta National Wildlife Refuge, New Mexico (1999-Present), Esteban Muldavin, Douglas I. Moore
Sevilleta LTER Program Data
This long-term study at the Sevilleta LTER measures net primary production (NPP) across four distinct ecosystems: creosote-dominant shrubland (Site C, est. winter 1999), black grama-dominant grassland (Site G, est. winter 1999), blue grama-dominant grassland (Site B, est. winter 2002), and pinon-juniper woodland (Site P, est. winter 2003), which is now in its own dataset, SEV278 (Pinon-Juniper (Core Site) Quadrat Data). Net primary production is a fundamental ecological variable that quantifies rates of carbon consumption and fixation. Estimates of NPP are important in understanding energy flow at a community level as well as spatial and temporal responses to a range of …
Monsoon Rainfall Manipulation Experiment (Mrme): Net Primary Production Quadrat Data At The Sevilleta National Wildlife Refuge, New Mexico (2006-Present), 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 net primary production (ANPP) and soil …
The Effect Of Kangaroo-Rat Activity On Plant Species Composition At The Sevilleta National Wildlife Refuge, New Mexico (1999), Gyuri Kroel-Dulay, Debra Peters, Tamara Hochstrasser
The Effect Of Kangaroo-Rat Activity On Plant Species Composition At The Sevilleta National Wildlife Refuge, New Mexico (1999), Gyuri Kroel-Dulay, Debra Peters, Tamara Hochstrasser
Sevilleta LTER Program Data
Our objective was to evaluate the effects of kangaroo rat mounds on species diversity and composition at a semiarid-arid grassland ecotone. We expected that source populations of plants occurring on kangaroo rat mounds have important influences on the species composition of vegetation at the landscape scale, and that these influences differ by grassland type. Our study was conducted at the Sevilleta LTER in New Mexico, where a grassland type dominated by Bouteloua gracilis, a shortgrass steppe species, and a grassland type dominated by B. eriopoda, a desert grassland species, meet to form patches across the landscape. Four 0.4 ha plots …
Discontinued Vegetation Line-Intercept Transects In Transition Zones At The Sevilleta National Wildlife Refuge, New Mexico (1989-1998), Scott Collins
Discontinued Vegetation Line-Intercept Transects In Transition Zones At The Sevilleta National Wildlife Refuge, New Mexico (1989-1998), Scott Collins
Sevilleta LTER Program Data
The line-intercept transects included in this data set have been discontinued. These transects were installed to evaluate temporal and spatial dynamics in vegetation transition zones (e.g.black grama grassland/creosote shrubland) at one centimeter resolution. Each study site originally contained four 400 m transects, representing total coverage of 1 sq km. The transects were placed along a roughly north/south azimuth. The northwestern and southwestern transects were 100 meters from the western edge of the 1 sq km study area and the northeastern and southeastern transects were 100 m from the eastern edge, providing 800 meters between the eastern and western transects. The …
Nitrogen Fertilization Experiment (Nfert): Net Primary Production Quadrat Data At The Sevilleta National Wildlife Refuge, New Mexico (2004-Present), Scott Collins
Sevilleta LTER Program Data
This dataset is part of a long-term study at the Sevilleta LTER, begun in spring 2004, which examines how fertilization affects above-ground biomass production (ANPP) in a mixed desert-grassland. Net primary production is a fundamental ecological variable that quantifies rates of carbon consumption and fixation. Estimates of NPP are important in understanding energy flow at a community level as well as spatial and temporal responses to a range of ecological processes. Above-ground net primary production is the change in plant biomass, represented by stems, flowers, fruit and foliage, over time and incorporates growth as well as loss to death and …
Ecosystem-Scale Rainfall Manipulation In A Pinon-Juniper Woodland: Volumetric Water Content (Vwc) Profile Data (2009-2013 ), William Pockman, Nathan Mcdowell
Ecosystem-Scale Rainfall Manipulation In A Pinon-Juniper Woodland: Volumetric Water Content (Vwc) Profile Data (2009-2013 ), 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 …
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 …
Extreme Drought In Grassland Ecosystems (Edge) Net Primary Production Quadrat Data At The Sevilleta National Wildlife Refuge, New Mexico (2012-Present), Scott Collins
Sevilleta LTER Program Data
EDGE is located at six grassland sites that encompass a range of ecosystems in the Central US - from desert grasslands to short-, mixed-, and tallgrass prairie. We envision EDGE as a research platform that will not only advance our understanding of patterns and mechanisms of ecosystem sensitivity to climate change, but also will benefit the broader scientific community. Identical infrastructure for manipulating growing season precipitation will be deployed at all sites. Within the relatively large treatment plots (36 m2), we will measure with comparable methods, a broad spectrum of ecological responses particularly related to the interaction between carbon fluxes …
Burn Study Sites Quadrat Data For The Net Primary Production Study At The Sevilleta National Wildlife Refuge, New Mexico (2004-Present), Esteban Muldavin
Burn Study Sites Quadrat Data For The Net Primary Production Study At The Sevilleta National Wildlife Refuge, New Mexico (2004-Present), Esteban Muldavin
Sevilleta LTER Program Data
In 2003, the U.S. Fish and Wildlife Service conducted a prescribed burn over a large part of the northeastern corner of the Sevilleta National Wildlife Refuge. Following this burn, a study was designed to look at the effect of fire on above-ground net primary productivity (ANPP) (i.e., the change in plant biomass, represented by stems, flowers, fruit and foliage, over time) within three different vegetation types: mixed grass (MG), mixed shrub (MS) and black grama (G). Forty permanent 1m x 1m plots were installed in both burned and unburned (i.e., control) sections of each habitat type. The core black grama …
Pinon-Juniper (Core Site) Quadrat Data For The Net Primary Production Study At The Sevilleta National Wildlife Refuge, New Mexico (2003-Present ), Esteban Muldavin
Pinon-Juniper (Core Site) Quadrat Data For The Net Primary Production Study At The Sevilleta National Wildlife Refuge, New Mexico (2003-Present ), Esteban Muldavin
Sevilleta LTER Program Data
This dataset contains pinon-juniper woodland quadrat data and is part of a long-term study at the Sevilleta LTER measuring net primary production (NPP) across four distinct ecosystems: creosote-dominant shrubland (Site C, est. winter 1999), black grama-dominant grassland (Site G, est. winter 1999), blue grama-dominant grassland (Site B, est. winter 2002), and pinon-juniper woodland (Site P, est. winter 2003). Net primary production is a fundamental ecological variable that quantifies rates of carbon consumption and fixation. Estimates of NPP are important in understanding energy flow at a community level as well as spatial and temporal responses to a range of ecological processes. …
Core Site Grid Quadrat Data For The Net Primary Production Study At The Sevilleta National Wildlife Refuge, New Mexico (2013- Present), Esteban Muldavin
Core Site Grid Quadrat Data For The Net Primary Production Study At The Sevilleta National Wildlife Refuge, New Mexico (2013- Present), Esteban Muldavin
Sevilleta LTER Program Data
Begun in spring 2013, this project is part of a long-term study at the Sevilleta LTER measuring net primary production (NPP) across three distinct ecosystems: creosote-dominant shrubland (Site C), black grama-dominant grassland (Site G), and blue grama-dominant grassland (Site B). Net primary production is a fundamental ecological variable that quantifies rates of carbon consumption and fixation. Estimates of NPP are important in understanding energy flow at a community level as well as spatial and temporal responses to a range of ecological processes.Above-ground net primary production is the change in plant biomass, represented by stems, flowers, fruit and and foliage, over …
Effects Of Multiple Resource Additions On Community And Ecosystem Processes: Nutnet Seasonal Biomass And Seasonal And Annual Npp Data At The Sevilleta National Wildlife Refuge, New Mexico, Scott Collins
Sevilleta LTER Program Data
Two of the most pervasive human impacts on ecosystems are alteration of global nutrient budgets and changes in the abundance and identity of consumers. Fossil fuel combustion and agricultural fertilization have doubled and quintupled, respectively, global pools of nitrogen and phosphorus relative to pre-industrial levels. In spite of the global impacts of these human activities, there have been no globally coordinated experiments to quantify the general impacts on ecological systems. This experiment seeks to determine how nutrient availability controls plant biomass, diversity, and species composition in a desert grassland. This has important implications for understanding how future atmospheric deposition of …
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 …
Ukulinga Farms, South Africa: Species List, Alan Knapp, Melinda Smith, John Blair, Scott Collins, Deron Burkepile, Kevin Kirkman
Ukulinga Farms, South Africa: Species List, Alan Knapp, Melinda Smith, John Blair, Scott Collins, Deron Burkepile, Kevin Kirkman
Sevilleta LTER Program Data
The distribution, structure and function of mesic savanna grasslands are strongly driven by fire regimes, grazing by large herbivores, and their interactions. This research addresses a general question about our understanding of savanna grasslands globally: Is our knowledge of fire and grazing sufficiently general to enable us to make accurate predictions of how these ecosystems will respond to changes in these drivers over time? Some evidence suggests that fire and grazing influence savanna grassland structure and function differently in South Africa (SA) compared to North America (NA). These differences have been attributed to the contingent factors of greater biome age, …
Konza Species Composition: Konza-Kruger Fire-Grazing Project (2006-2010), Alan Knapp, Melinda Smith, John Blair, Scott Collins, Deron Burkepile, Kevin Kirkman
Konza Species Composition: Konza-Kruger Fire-Grazing Project (2006-2010), Alan Knapp, Melinda Smith, John Blair, Scott Collins, Deron Burkepile, Kevin Kirkman
Sevilleta LTER Program Data
The distribution, structure and function of mesic savanna grasslands are strongly driven by fire regimes, grazing by large herbivores, and their interactions. This research addresses a general question about our understanding of savanna grasslands globally: Is our knowledge of fire and grazing sufficiently general to enable us to make accurate predictions of how these ecosystems will respond to changes in these drivers over time? Some evidence suggests that fire and grazing influence savanna grassland structure and function differently in South Africa (SA) compared to North America (NA). These differences have been attributed to the contingent factors of greater biome age, …
Konza Prairie, Kansas Plant Species List, Alan Knapp, Melinda Smith, John Blair, Scott Collins, Deron Burkepile, Kevin Kirkman
Konza Prairie, Kansas Plant Species List, Alan Knapp, Melinda Smith, John Blair, Scott Collins, Deron Burkepile, Kevin Kirkman
Sevilleta LTER Program Data
The distribution, structure and function of mesic savanna grasslands are strongly driven by fire regimes, grazing by large herbivores, and their interactions. This research addresses a general question about our understanding of savanna grasslands globally: Is our knowledge of fire and grazing sufficiently general to enable us to make accurate predictions of how these ecosystems will respond to changes in these drivers over time? Some evidence suggests that fire and grazing influence savanna grassland structure and function differently in South Africa (SA) compared to North America (NA). These differences have been attributed to the contingent factors of greater biome age, …
Net Primary Production Data: Konza-Kruger Fire-Grazing Project 2010-2011, Alan Knapp, Melinda Smith, John Blair, Scott Collins, Deron Burkepile, Kevin Kirkman
Net Primary Production Data: Konza-Kruger Fire-Grazing Project 2010-2011, Alan Knapp, Melinda Smith, John Blair, Scott Collins, Deron Burkepile, Kevin Kirkman
Sevilleta LTER Program Data
The distribution, structure and function of mesic savanna grasslands are strongly driven by fire regimes, grazing by large herbivores, and their interactions. This research addresses a general question about our understanding of savanna grasslands globally: Is our knowledge of fire and grazing sufficiently general to enable us to make accurate predictions of how these ecosystems will respond to changes in these drivers over time? Some evidence suggests that fire and grazing influence savanna grassland structure and function differently in South Africa (SA) compared to North America (NA). These differences have been attributed to the contingent factors of greater biome age, …
Kruger Species Composition: Konza-Kruger Fire-Grazing Project (2006-2010), Alan Knapp, Melinda Smith, John Blair, Scott Collins, Deron Burkepile, Kevin Kirkman
Kruger Species Composition: Konza-Kruger Fire-Grazing Project (2006-2010), Alan Knapp, Melinda Smith, John Blair, Scott Collins, Deron Burkepile, Kevin Kirkman
Sevilleta LTER Program Data
The distribution, structure and function of mesic savanna grasslands are strongly driven by fire regimes, grazing by large herbivores, and their interactions. This research addresses a general question about our understanding of savanna grasslands globally: Is our knowledge of fire and grazing sufficiently general to enable us to make accurate predictions of how these ecosystems will respond to changes in these drivers over time? Some evidence suggests that fire and grazing influence savanna grassland structure and function differently in South Africa (SA) compared to North America (NA). These differences have been attributed to the contingent factors of greater biome age, …
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 …
Snakeweed (Gutierrezia Sarothrae) Habitat Vegetation Transect Data From The Sevilleta National Wildlife Refuge, New Mexico (1996), Douglas I. Moore, Herb Grover
Snakeweed (Gutierrezia Sarothrae) Habitat Vegetation Transect Data From The Sevilleta National Wildlife Refuge, New Mexico (1996), Douglas I. Moore, Herb Grover
Sevilleta LTER Program Data
In 1984, a research project was initiated on a relatively small disturbance patch just south of Deep Well. This disturbance was thought to be the result of an old praire dog town, probably dating back to when a nearby ranch was active, and a lot of old mammal mounds remained in the disturbed area. One of the things that made the disturbance patch particularily noticeable was the lush growth of snakeweed (Gutierrezia sarothrae) within the patch. This prompted the designation of the disturbance patch as the "snakeweed patch" or "gutierrezia patch". In addition, there was an obvious increase in bare …
Post-Fire Response Of Perennial Grass Communities At Mckenzie Flats, Sevilleta National Wildlife Refuge, New Mexico (1998 And 2001), Debra Peters, Paul Drewa, Kris Havstad, Jeffrey Herrick, Anne Cross
Post-Fire Response Of Perennial Grass Communities At Mckenzie Flats, Sevilleta National Wildlife Refuge, New Mexico (1998 And 2001), Debra Peters, Paul Drewa, Kris Havstad, Jeffrey Herrick, Anne Cross
Sevilleta LTER Program Data
We evaluated the effects of a lightning-initiated fire on responses of vegetation communities. Following a fire in July 1998, 25 experimental plots were established on the eastern edge of MacKenzie Flats at the Sevilleta National Wildlife Refuge. Ten of these plots were located in a Bouteloua gracilis (blue grama)- dominated site, while 15 were established in another area dominated by Bouteloua eriopoda (black grama). We evaluated basal and aerial cover of all plant species at the community level using a vertical line point intercept method along transects within plots. Sampling was conducted immediately after the fire during the last week …
Small Mammal Exclosure Study (Smes) Vegetation Data From The Chihuahuan Desert Grassland And Shrubland At The Sevilleta National Wildlife Refuge, New Mexico (1995-2009), David Lightfoot
Sevilleta LTER Program Data
This is data for vegetation canopy cover measured from each of the SMES study plots. Vegetation canopy cover was measured from each of the 36 one-meter2 quadrats twice each year. Animal consumers have important roles in ecosystems, determining plant species composition and structure, regulating rates of plant production and nutrient, and altering soil structure and chemistry. The purpose of this study is to determine whether or not the activities of small mammals regulate plant community structure, plant species diversity, and spatial vegetation patterns in Chihuahuan Desert shrublands and grasslands.
Burn Study Sites Seasonal Biomass And Seasonal And Annual Npp Data For The Net Primary Production Study At The Sevilleta National Wildlife Refuge, New Mexico (2004 - Present), Esteban Muldavin
Sevilleta LTER Program Data
In 2003, the U.S. Fish and Wildlife Service conducted a prescribed burn over a large part of the northeastern corner of the Sevilleta NWR. This study was designed to look at the effect of fire on above-ground net primary productivity (ANPP) within different vegetation types. Net primary production (NPP) is a fundamental ecological variable that measures rates of carbon consumption and fixation. Estimates of NPP are important in understanding energy flow at a community level as well as spatial and temporal responses to a range of ecological processes. While measures of both below- and above-ground biomass are important in estimating …
Vegetation Surveys In Chihuahuan Desert Grassland And Shrubland Sites Associated With Coyote Scat Surveys At The Sevilleta National Wildlife Refuge, New Mexico (2008-2009), Virginia Seamster
Vegetation Surveys In Chihuahuan Desert Grassland And Shrubland Sites Associated With Coyote Scat Surveys At The Sevilleta National Wildlife Refuge, New Mexico (2008-2009), Virginia Seamster
Sevilleta LTER Program Data
This data set contains information regarding vegetation structure at sites in grama grassland and both creosote and mesquite shrubland habitats at the Sevilleta NWR. This information was collected at randomly selected sites throughout the refuge. Each site is within 100 meters of one of the 22 road-based transects(20 in 2008) that were used to carry out coyote scat surveys during three seasons (spring, summer and fall) in 2009 (see "Coyote scat surveys in grassland and shrubland sites at the Sevilleta NWR, spring, summer and fall 2009" data set). Data was collected within at total of 22 circular vegetation plots (40 …
Snakeweed Patch Vegetation Quad Data At The Sevilleta National Wildlife Refuge, Nm (1984, 1996), Douglas I. Moore, Herb Grover, James Gosz
Snakeweed Patch Vegetation Quad Data At The Sevilleta National Wildlife Refuge, Nm (1984, 1996), Douglas I. Moore, Herb Grover, James Gosz
Sevilleta LTER Program Data
In 1984, a research project was initiated on a relatively small disturbance patch just south of Deep Well. This disturbance was thought to be the result of an old praire dog town, probably dating back to when a nearby ranch was active, and a lot of old mammal mounds remained in the disturbed area. One of the things that made the disturbance patch particularily noticeable was the lush growth of snakeweed (Gutierrezia sarothrae) within the patch. This prompted the designation of the disturbance patch as the "snakeweed patch" or "Gutierrezia patch." In addition, there was an obvious increase in bare …
Pinon Juniper Net Primary Production Quadrat Data From The Sevilleta National Wildlife Refuge, New Mexico: 1999-2001, Esteban Muldavin
Pinon Juniper Net Primary Production Quadrat Data From The Sevilleta National Wildlife Refuge, New Mexico: 1999-2001, Esteban Muldavin
Sevilleta LTER Program Data
This three-year study at the Sevilleta LTER was designed to monitor net primary production (NPP) across two distinct ecosystems: pinon/juniper woodland (P) and juniper savannah woodland (J). Net primary production (NPP) is a fundamental ecological variable that measures rates of carbon consumption and fixation. Estimates of NPP are important in understanding energy flow at a community level as well as spatial and temporal responses of the community to a wide range of ecological processes. While measures of both below- and above-ground biomass are important in estimating NPP, this study focused on estimating above-ground biomass production (ANPP).To measure ANPP (i.e., the …
Biannual Juniper Branch Demography Study At The Sevilleta National Wildlife Refuge, New Mexico (1989-1993), Diane Marshall
Biannual Juniper Branch Demography Study At The Sevilleta National Wildlife Refuge, New Mexico (1989-1993), Diane Marshall
Sevilleta LTER Program Data
No abstract provided.