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691 results for “vegetation data”
Data from: Wetland restoration: Predicting vegetation trajectories over 25 years
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Monitoring long-term vegetation dynamics over the Yangtze River Basin, China, using multi-temporal remote sensing data
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Data from: Tropical Central African bomb radiocarbon reveals antiphase air-mass atmospheric fluxes and vegetation-growth relationships
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Bird capture and vegetation structure data from 12 forest sites in Allpahuayo-Mishana National Reserve, Peru
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Data from: Genetic and spatial variation in vegetative and floral traits across a hybrid zone
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Native annual forb and vegetation data for ten paired grazed and ungrazed prairies in coastal California grasslands at two time periods 15 years apart
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Data for L.R. Johnson and S.N. Handel - Restoration treatments in urban park forests drive long-term changes in vegetation trajectories - Ecological Applications doi:10.1890/14-2063.1
Initial data from long-term research plots in New York City Park forest patches invaded by exotic woody plant species. Half (n = 30) of the sites were restored 15-20 years prior to first sampling in 2009-2010. The same suite of invasive plants was recorded in the other half of the sites at the time of initial restoration in the late 1980s and early 1990s (n = 30), but they were not restored in 2009-2010.
BESLTER Permanent Plot vegetation data combined for the survey years of 1998, 2003, and 2015
BESLTER Permanent Plot vegetation data combined for the survey years of 1998, 2003, and 2015. Introduction: Urban forests are often highly fragmented with many exotic species. Altered disturbance regimes and environmental pollutants influence urban forest vegetation. One of the best ways to understand the impacts of urban land-use on forest composition is through long-term research. In 1998, the Baltimore Ecosystem Study (BES) established eight forest plots to investigate the impacts of urbanization on natural ecosystems (Groffman et al. 2006). Four plots were established in urban forest patches and four in rural forests. All eight plots are located within the Baltimore Metropolitan Area. Purpose: Vegetation in the BES long-term plots were sampled in 1998, 2003, and 2015 to understand the influence of urbanization on species abundances and to quantify change in forest composition, diversity, and structure (Groffman et al. 2006 and Templeton 2016). Plot Structure: Six of the plots are 40�40m (1600m2). The Hillsdale 1 and 2 plots are 30�30m (900m2). The Hillsdale plots are smaller to fit within the boundaries of the forest patch. Sites were selected with the following criteria in mind: 1) to represent urban and non-urban forests, 2) away from obvious habitat boundaries or edges, 3) with consistent drainage lines within the plot, and 4) with at least 80% continuous tree canopy. All vegetation layers were sampled in order to characterize the structure and composition of the plant community. Each plot was permanently outlined with metal markers buried at or below the soil line. Between each of the plot corners, metal markers were placed at 10m intervals. The 10m markers divided the plot into 16 10x10m subplots (nine 10x10m subplots at Hillsdale). Each 10x10m subplot was then further divided into four 5x5m subplots. Only one of the four 5x5m subplots in each 10x10m subplot was used for all vegetation sampling below the tree layer. Shrubs and vines were measured along two
Ecology Explorers educational data: vegetation data from multiple school locations in the central Arizona-Phoenix area
The Sonoran Desert has the most diverse native plant species of any desert in the world. Many plants are uniquely adapted to living here and they are part of food webs that include animals and insects that also are adapted to desert living. Phoenix is an ever-expanding urban area located within the Sonoran Desert. Scientists are studying the impact of this urbanization on plant communities. Over the past 100 years, people have removed a lot of native vegetation and planted nonnative plants, trees, and shrubs. But there are still some desert remnants areas that have been preserved as Sonoran Desert landscape within the Phoenix metropolitan area. CAP LTER scientists are conducting plant surveys across the Phoenix Metropolitan area. They will be comparing the survey results to studies done 20 years ago. They also are interested in comparing vegetation in desert remnants to that in residential areas, parks, golf courses and vacant lots. You can participate in this study by comparing schoolyard and/or backyard data to desert remnant data and sharing this informationwith CAP LTER scientists. You may also decide to correlate your vegetation studies with the LTER Ecology Explorers bird and insect studies.
Point Count Bird Censusing Data Subset for Paper 'EFFECTS OF LAND USE AND VEGETATION COVER ON BIRD COMMUNITIES' Walker et. al
Animals utilize their environment across a range of scales, which is bounded by their extent, the broadest spatial area which organisms respond to their environment within their lifetime, and the spatial grain, the smallest area they respond to their environment (Kotlier and Wiens 1990). Within this range, organisms likely respond to their environment at a hierarchy of levels. Johnson (1980) recognizes four distinct levels of hierarchical habitat selection. At the very largest scale, first order selection, includes the entire area that an organism utilizes within its lifetime, and is also known as an organisms global home range or extent. In contrast, second order selection is an organisms local home range, or the area that it occupies within a unique ecosystem. This distinction is most apparent with migratory animals who utilize more than one distinct landscape for their survival (i.e. summer vs. winter feeding grounds), and much less so for organisms resident of one specific landscape for their entire life span. Third order selection is the selection of specific habitat patches within an ecosystem. For example, a Monarch butterfly would tend to select patches of milkweed within a prairie. And the lowest level, fourth order selection, involves the physical procurement of food within a selected patch, in our example, specific flowers within a milkweed patch, and is also known as grain. Realizing the importance of hierarchical habitat selection, it has become apparent that single-scale studies of animals responses to their environment may fail to adequately represent how that specific animal is responding to ecological parameter of interest, especially if they are not responding to the landscape at that scale (Holling 1992). The range of scales which an animal of interest is utilizing a landscape is important to determine prior to any further ecological investigation, as inappropriate scalar mismatch between organism and environment can lead to ambiguous or even dece
Shrub data: Effect of Burning patterns on Vegetation in the Fish Lake Burn Compartments
The purpose of this experiment is to see what effect burning patterns have on vegetation. The survey was conducted in 12 different compartments. These are Cedar Creek burn compartments 1(101), 1A(201), 3(103), 4(104), 5(105), 7(107), 8(108), 9N(209), 9S(109), 10(110), 11(111) and 13(113). Four transects, 50 meters long and 25 meters apart, were established in each compartment. Six quadrats were marked along each transect at 0, 10, 20, 30, 40 and 50 meters. The quadrats are 1 meter by 0.5 meters. Sections were defined by dividing the transects in half and taking the area between transects. This creates six 25 meter by 25 meter sections.
Plant aboveground biomass data: The Seasonal Effects of Nitrogen Addition in the Spring on Vegetation at Differing Times of the Growing Season
The purpose of this experiment is to measure the effect of addition of NH4NO3 in the spring on vegetation at different times during the growing season. This experiment is located within the fenced area of field C. See E001 about the construction of the fence. There are three NH4NO3 levels labeled E, G, and I as defined in fertilization details in the "microplot" category. There are 4 replicates and the treatments were randomly assigned to the 12 plots. The plots are laid out in a 3 by 4 grid and are 1.5 by 3.9 meters in area. To measure effect at different times during the growing season each plot will be sampled by clipping 0.2 m by 0.5 m quadrats every two weeks during the 1985 growing season.
Grasshopper cage data: Vegetation Phenology and Grasshopper Competition
Vegetation was sampled at the termination of the experiment on June 25, 1989. Grasshopper densities outside the cages were sampled on May 23 and 24, 1989. After the first experiment, cages were set up on new plots 3m from the edge of the macroplot to avoid using vegetation disturbed by counting. On July 25, adult grasshoppers of two different species (Melanoplus femur-rubrum (FR) and Melanoplus bivattatus (BV)) were stocked according to the above treatments (randomly reassigned) in the following densities: FR by itself, 6/cage; BV by itself, 4/cage; FR and BV together, 4 FR and 3 BV /cage. Vegetation was sampled at the termination of the experiment on August 31, 1989. In late May of 1990, grasshoppers were stocked in the following numbers in both fertilized and unfertilized plots: no grasshoppers (empty cages), AC by itself (5/cage), PA by itself (4/cage), and both species together (3 of each). With 8 replicates of each fertilizer x grasshopper combination, a total of 64 cages were used. Vegetation was sampled at the end of the experiment as in 1989. In late July of 1990, two new grasshopper species were used in addition to Melanoplus femur-rubrum (MF): Phoetaliotes nebrascensis (PN) and Spharagemon collare (SC). Grasshoppers were stocked in the following numbers: no grasshoppers (empty cages), MF by itself (6/cage), PN by itself (10/cage), SC by itself (6/cage), MF + PN (3 MF and 5 PN per cage), MF + SC (3 of each per cage), SC + PN (3 SC + 5 PN per cage), and all three species together (2 MF, 2 SC, and 3 PN per cage). Vegetation was sampled at the end of the experiment as in 1989. At the end of the early and late 1990 experiments, a single soil sample was taken from each cage plot and analyzed for soil solution ammonium and nitrate with 0.02M KCl. For a list of treatments, see the treatment layouts in file trmte60.
Plant aboveground biomass data: Vegetation Phenology and Grasshopper Competition
Vegetation was sampled at the termination of the experiment on June 25, 1989. Grasshopper densities outside the cages were sampled on May 23 and 24, 1989. After the first experiment, cages were set up on new plots 3m from the edge of the macroplot to avoid using vegetation disturbed by counting. On July 25, adult grasshoppers of two different species (Melanoplus femur-rubrum (FR) and Melanoplus bivattatus (BV)) were stocked according to the above treatments (randomly reassigned) in the following densities: FR by itself, 6/cage; BV by itself, 4/cage; FR and BV together, 4 FR and 3 BV /cage. Vegetation was sampled at the termination of the experiment on August 31, 1989. In late May of 1990, grasshoppers were stocked in the following numbers in both fertilized and unfertilized plots: no grasshoppers (empty cages), AC by itself (5/cage), PA by itself (4/cage), and both species together (3 of each). With 8 replicates of each fertilizer x grasshopper combination, a total of 64 cages were used. Vegetation was sampled at the end of the experiment as in 1989. In late July of 1990, two new grasshopper species were used in addition to Melanoplus femur-rubrum (MF): Phoetaliotes nebrascensis (PN) and Spharagemon collare (SC). Grasshoppers were stocked in the following numbers: no grasshoppers (empty cages), MF by itself (6/cage), PN by itself (10/cage), SC by itself (6/cage), MF + PN (3 MF and 5 PN per cage), MF + SC (3 of each per cage), SC + PN (3 SC + 5 PN per cage), and all three species together (2 MF, 2 SC, and 3 PN per cage). Vegetation was sampled at the end of the experiment as in 1989. At the end of the early and late 1990 experiments, a single soil sample was taken from each cage plot and analyzed for soil solution ammonium and nitrate with 0.02M KCl. For a list of treatments, see the treatment layouts in file trmte60.
Shrub data: Effects of Deer and Pocket Gophers on Vegetation and Soils
The goal of this experiment is to determine the effects of pocket gophers and deer on succesesional changes and the development of heterogeneity in soils and vegetation in an old-field. This is a long-term experiment and will be sampled through the year 2000. Major herbivores are excluded from fifteen 12m x 12m plots in a newly abandoned old field. Main treatments include gopher removals, all large vertebrate removals, and controls. Smaller (3m x 12m) grasshopper removals are nested within main treatments. Gopher disturbance will be quantified throughout the summer season. Soils ( including N mineralization) and vegetation will be sampled regularly on 100-point grids within each plot. For a list of treatments, see the treatment layouts in file Link==>e064/treatment trmte64.
Tree data: Effect of Burning patterns on Vegetation in the Fish Lake Burn Compartments
The purpose of this experiment is to see what effect burning patterns have on vegetation. The survey was conducted in 12 different compartments. These are Cedar Creek burn compartments 1(101), 1A(201), 3(103), 4(104), 5(105), 7(107), 8(108), 9N(209), 9S(109), 10(110), 11(111) and 13(113). Four transects, 50 meters long and 25 meters apart, were established in each compartment. Six quadrats were marked along each transect at 0, 10, 20, 30, 40 and 50 meters. The quadrats are 1 meter by 0.5 meters. Sections were defined by dividing the transects in half and taking the area between transects. This creates six 25 meter by 25 meter sections.
Plant aboveground biomass data: Effect of Burning Patterns on Vegetation in the Fish Lake Burn Compartments
This study examines the effects of long-term prescribed burning treatments on vegetation structure and composition, productivity, and nutrient cycling in upland oak savanna and woodland vegetation. The basis for the study is an ongoing, experimental prescribed burning program begun in 1964 at Cedar Creek, and a similar program operating since 1962 on the adjacent Helen Allison Savanna property (owned by The Nature Conservancy). These prescribed burning programs are designed to subject upland oak communities (and some old fields) to different burn frequencies and patterns of burning, with the ultimate objectives of 1) restoring and maintaining the historically important savanna and open woodland vegetation, and 2) providing information about the effects of different burning patterns on vegetation structure and composition. This study addresses the latter of these two purposes and expands on it by also investigating possible influences of fire on resource availability (nutrients, water, and light) and net primary productivity. This study represents a continuation and expansion of experiments 015 and 094.
Root biomass data: Effect of Burning Patterns on Vegetation in the Fish Lake Burn Compartments
This study examines the effects of long-term prescribed burning treatments on vegetation structure and composition, productivity, and nutrient cycling in upland oak savanna and woodland vegetation. The basis for the study is an ongoing, experimental prescribed burning program begun in 1964 at Cedar Creek, and a similar program operating since 1962 on the adjacent Helen Allison Savanna property (owned by The Nature Conservancy). These prescribed burning programs are designed to subject upland oak communities (and some old fields) to different burn frequencies and patterns of burning, with the ultimate objectives of 1) restoring and maintaining the historically important savanna and open woodland vegetation, and 2) providing information about the effects of different burning patterns on vegetation structure and composition. This study addresses the latter of these two purposes and expands on it by also investigating possible influences of fire on resource availability (nutrients, water, and light) and net primary productivity. This study represents a continuation and expansion of experiments 015 and 094.
Plant aboveground biomass data: Effects of Various Nutrients and Water on Vegetation
This experiment was conducted within the fenced areas of fields A, B, C, and D. The purpose of this experiment was to determine the effect of various nutrients on vegetation. There were eight different nutrients and a control. The different nutrients were N, P, K, Ca, Mg, Na, H2O, and a combination of trace metals. There were 36 plots in each field, 4 replicates of the 9 treatment levels. The plots were 1 meter by 4 meters and were laid out in a 4 by 9 grid. The grid was divided into 4 quarters and treatments were assigned with a randomized block design.
Plant species percent cover data: Effect of Burning patterns on Vegetation in the Fish Lake Burn Compartments
The purpose of this experiment is to see what effect burning patterns have on vegetation. The survey was conducted in 12 different compartments. These are Cedar Creek burn compartments 1(101), 1A(201), 3(103), 4(104), 5(105), 7(107), 8(108), 9N(209), 9S(109), 10(110), 11(111) and 13(113). Four transects, 50 meters long and 25 meters apart, were established in each compartment. Six quadrats were marked along each transect at 0, 10, 20, 30, 40 and 50 meters. The quadrats are 1 meter by 0.5 meters. Sections were defined by dividing the transects in half and taking the area between transects. This creates six 25 meter by 25 meter sections.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.