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182 results for “planted experiment”
PCN01 Plant and soil carbon and nitrogen pool data from the Belowground Plot Experiment at Konza Prairie
Data describe the carbon and nitrogen pools in combustible aboveground litter, and in shoots, roots, litter, and soil at the end of the growing season at the Belowground Plot Experiment in 2021.
Warming and snow experiment plant reproductive and growth data for Saddle, 1993 - 1996.
The International Tundra Experiment (ITEX) is a consortium of research sites seeking to understand the response of tundra plant populations to changes in growing season temperatures through a simple temperature manipulation and transplant experiment. The research goal is to examine the phenologic and reproductive responses of a set of species to experimentally-induced warming at a network of sites. The ITEX design is hierarchical, with sites participating at whatever level they are able. At the minimum, participation in ITEX requires climate monitoring (using the LTER MSR standards), a temperature manipulation using one of three possible designs, and monitoring phenologic and reproductive variables for at least one designated ITEX species or two other species. The temperature manipulation is achieved through use of conical or hexagonal open-top chambers of solar fiberglass, which have been shown to increase the air temperature at the surface approximately 3 degrees C. ITEX studies at Niwot Ridge, a logical outgrowth of the long-term phenology studies there, uses a factorial design based around the long-term snowfence experiment. Twenty cones are placed behind the snowfence, distributed at 10, 25, 45, and 75 m from the fence; each cone is paired with an adjacent plot. Beginning with the 1995 season, 24 additional plots were implemented outside of the snowfence influence. Twelve cones are distributed beyond both the north and south edges of the snowfence area, at 10, 25, 45, and 75 m behind the line of the snowfence; each cone is paired with an adjacent plot. This results in the following treatments: increased winter snow, increased summer temperature, increased snow and increased temperature, and control. Key phenologic, growth, and reproductive traits are being followed on marked individuals of Acomastylis (Geum) rossii and Bistorta (Polygonum) bistortoides, and complete species composition is being monitored.
N fertilization experiment plant species composition data for north of the saddle from 2011 to ongoing, yearly
In August 2010, N fertilization plots were established over a gradient of Geum rossii (Aco) and Deschampsia caespitosa (Des) cover in an area of moist-wet meadow alpine tundra north of the Saddle on Niwot Ridge. A total of 20 plots were set up, with 1X-10X being control plots where no nitrogen (N) was added, and 1N-10N being fertilization plots where N was added. Control and fertilized plots were paired so that pairs had the same percent cover of Aco and Des. Initially in 2010, N addition plots were fertilized at a rate of 28.8 g N x m^2 x yr^-1 (72 g of slow-release Osmocote (40-0-0)). In 2011 fertilization rate was reduced to N x m^2 x yr^-1 (25 g Osmocote (2011-2013), Duration Urea 120, 40-0-0, SGN 150 (2014-on).
Plant functional traits in the black sand extended growing season experiment, 2023.
Climate change is predicted to affect the alpine at a more rapid rate than other ecosystems. One predicted consequence is earlier snowmelt, which the Niwot Ridge LTER site Black Sand experiment aimed to replicate. Black sand was hand-spread across the early snowmelt treatment to cause a more rapid snowmelt than in the control plots. Sand was still spread across the control plots after snowmelt to control for the effects of the sand on vegetation. Each treatment also contained ITEX chambers which raised the temperature of individual plots. Within this larger experiment, we measured plant functional traits to see if they varied across the four treatments: control, control + ITEX, early snowmelt, and early snowmelt + ITEX.
Warming and snow experiment plant phenology data for Saddle snowfence, 1993 - 1996.
The International Tundra Experiment (ITEX) is a consortium of research sites seeking to understand the response of tundra plant populations to changes in growing season temperatures through a simple temperature manipulation and transplant experiment. The research goal is to examine the phenologic and reproductive responses of a set of species to experimentally-induced warming at a network of sites. The ITEX design is hierarchical, with sites participating at whatever level they are able. At the minimum, participation in ITEX requires climate monitoring (using the LTER MSR standards), a temperature manipulation using one of three possible designs, and monitoring phenologic and reproductive variables for at least one designated ITEX species or two other species. The temperature manipulation is achieved through use of conical or hexagonal open-top chambers of solar fiberglass, which have been shown to increase the air temperature at the surface approximately 3 degrees C. ITEX studies at Niwot Ridge, a logical outgrowth of the long-term phenology studies there, uses a factorial design based around the long-term snowfence experiment. Twenty cones are placed behind the snowfence, distributed at 10, 25, 45, and 75 m from the fence; each cone is paired with an adjacent plot. Beginning with the 1995 season, 24 additional plots were implemented outside of the snowfence influence. Twelve cones are distributed beyond both the north and south edges of the snowfence area, at 10, 25, 45, and 75 m behind the line of the snowfence; each cone is paired with an adjacent plot. This results in the following treatments: increased winter snow, increased summer temperature, increased snow and increased temperature, and control. Key phenologic, growth, and reproductive traits are being followed on marked individuals of Acomastylis (Geum) rossii and Bistorta (Polygonum) bistortoides, and complete species composition is being monitored.
Marsh plant species percent cover for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA.
Marsh plant species percent cover for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA. The TIDE project aims to simulate eutrophication on a large scale by the addition of NO3- aiming to reach 70µM concentrations from May to September every year during the growing season. This fertilization of the marsh has been going on at Sweeney Creek since the 2004 growing season through 2011 and at Clubhead Creek in 2005 and from 2009 till 2011.
Marsh plant species C:H:N data for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA.
Marsh plant species C:H:N data for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA. The TIDE project aims to simulate eutrophication on a large scale by the addition of NO3- aiming to reach 70µM concentrations from May to September every year during the growing season. This fertilization of the marsh has been going on at Sweeney Creek since the 2004 growing season through 2011 and at Clubhead Creek in 2005 and from 2009 till 2011.
Marsh plant species frequency of occurrence along marsh transects for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA.
Marsh plant species frequency of occurrence along marsh transects for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA. The TIDE project aims to simulate eutrophication on a large scale by the addition of NO3- aiming to reach 70µM concentrations from May to September every year during the growing season. This fertilization of the marsh has been going on at Sweeney Creek since the 2004 growing season through 2011 and at Clubhead Creek in 2005 and from 2009 till 2011.
Marsh plant species stem counts for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA.
Marsh plant species stem counts for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA. The TIDE project aims to simulate eutrophication on a large scale by the addition of NO3- aiming to reach 70µM concentrations from May to September every year during the growing season. This fertilization of the marsh has been going on at Sweeney Creek since the 2004 growing season through 2012 and at Clubhead Creek in 2005 and from 2009 till 2012. The reference creeks, West and Nelson, have been sampled in pair with the nutrient enriched creeks.
Annual plant competition experiment results and associated mycobiome ASV tables
<p>Major theories regarding microbe-mediated plant community dynamics assume that plant species cultivate distinct microbial communities. However, few studies empirically assess the role of species-associated microbial community dissimilarity in plant competitive dynamics. In this study, we paired a competition experiment between eight annual forbs with a characterization of species-associated fungal communities to assess whether mycobiome dissimilarity is associated with pairwise competitive dynamics. Using a quantitative approach informed by modern coexistence theory, we found that fungal dissimilarity was correlated with both increased stabilizing niche differences and fitness inequalities. Additionally, we found that the probability of coexistence increased with mycobiome dissimilarity. When subsetting the community into different fungal functional groups (pathotrophs, saprotrophs, symbiotrophs), overall relationships between dissimilarity and competitive dynamics were independent of these functional groups. </p> <p>Synthesis: These results suggest that fungal community divergence may play an important role in mediating plant competitive dynamics. Although fungal community dissimilarity is associated with both niche and fitness differences, complex biotic and/or abiotic interactions belowground may result in an observed correlation between fungal community dissimilarity and plant coexistence. Ultimately, this study suggests a novel approach to better understanding how microbiome dissimilarity may impact host community dynamics.</p>
Dataset for research paper "Heracleum sosnowskyi plants frost-resistance assessment in laboratory and field experiments"
<p>Dataset for research paper "Heracleum sosnowskyi plants frost-resistance in laboratory and field experiments". </p> <p>The <em>Heracleum sosnowsky</em> plants has low freezing tolerance and die in temperature range minus 6–12 °С. Snow cover provides stable soil temperature (not lower than minus 3 °С) and is the only factor that ensures the survival of <em>H. sosnowsky</em> plants in the regions with cold winter. The <em>H. sosnowsky</em> frost tolerance is higher in autumn (up to minus 12 °С) and became lower at spring (minus 5–7 °С). These results can be explained by absence of deep dormancy in <em>H. sosnowskyi</em> meristem tissues and gradual change of carbohydrate content in them during the cold period. The seeds have high freezing tolerance after its formation but lost it after stratification. The field experiments were carried out by participants of citizen science project “Moroz”. It was shown that <em>H. sosnowskyi</em> plant eradication probability with the help of snow removal completely depends on weather conditions. This method can be used only on the territories where the use of herbicides is prohibited and only in the regions with minimal temperature in January – Febrary not higher than minus 25 °С. The dataset with all measurements made during the experiments is available on the site of “Moroz” project (<a href="http://proborshevik.ru/%20">http://proborshevik.ru</a>).</p>
Text-fig. 11. Geological map south of the Nel'ma Bay. 1 - granodiorite (Early Palaeogene); 2 – Eocene andesitic and dacitic tuff with plant-bearing argillitic lenses; 3 – Late Eocene to Early Miocene andesite-basalt (Kizi Volcanic Group); 4 – tuffogenous sedimentary plant-bearing lenses with plant fossils; 5 – Dacite neck (Early Oligocene) 1 km south of the Dembi Bay; 6 – Pliocene pebbles and conglomerates; 7 – Plateaubasalts (Sovgavan' Formation, Late Neogene–Quaternary); 8 – Quaternary alluvial deposits; 9 – localities with fossil plants: a – Sonje, b – Bui, c – Dembi. in Mid-Latitude Palaeogene Floras Of Eurasia Bound To Volcanic Settings And Palaeoclimatic Events - Experience Obtained From The Far East Of Russia (Sikhote-Alin') And Central Europe (Bohemian Massif)
Text-fig. 11. Geological map south of the Nel'ma Bay. 1 - granodiorite (Early Palaeogene); 2 – Eocene andesitic and dacitic tuff with plant-bearing argillitic lenses; 3 – Late Eocene to Early Miocene andesite-basalt (Kizi Volcanic Group); 4 – tuffogenous sedimentary plant-bearing lenses with plant fossils; 5 – Dacite neck (Early Oligocene) 1 km south of the Dembi Bay; 6 – Pliocene pebbles and conglomerates; 7 – Plateaubasalts (Sovgavan' Formation, Late Neogene–Quaternary); 8 – Quaternary alluvial deposits; 9 – localities with fossil plants: a – Sonje, b – Bui, c – Dembi.
Text-fig. 2. Main geological structures of the eastern slope of the Sikhote-Alin' ridge and main plant-bearing localities of the Cenozoic floras. I – Mesozoic folded basement; II – East Sikhote-Alin' Volcanic Belt (Late Cretaceous–Early Palaeocene); III – Near-Shore Basaltic Volcanic Belt (Eocene–Early Miocene); IV – Udyl Basin (Cenozoic); V – Late Neogene to Quaternary plateaubasalts; Va – Sovgavan plateau; Vb – Samarga plateau; Vc – Bikin plateau. 1 – Malo-Mikhaylovka; 2 – Siziman; 3 – Sjurkum; 4 – Botchi; 5 – Dembi; 6 – Bui; 7 – Sonje; 8 – Takhobe; 9 – Amgu; 10 – Velikaya Kema; 11 – Zerkal'naya (former Tadushi). in Mid-Latitude Palaeogene Floras Of Eurasia Bound To Volcanic Settings And Palaeoclimatic Events - Experience Obtained From The Far East Of Russia (Sikhote-Alin') And Central Europe (Bohemian Massif)
Text-fig. 2. Main geological structures of the eastern slope of the Sikhote-Alin' ridge and main plant-bearing localities of the Cenozoic floras. I – Mesozoic folded basement; II – East Sikhote-Alin' Volcanic Belt (Late Cretaceous–Early Palaeocene); III – Near-Shore Basaltic Volcanic Belt (Eocene–Early Miocene); IV – Udyl Basin (Cenozoic); V – Late Neogene to Quaternary plateaubasalts; Va – Sovgavan plateau; Vb – Samarga plateau; Vc – Bikin plateau. 1 – Malo-Mikhaylovka; 2 – Siziman; 3 – Sjurkum; 4 – Botchi; 5 – Dembi; 6 – Bui; 7 – Sonje; 8 – Takhobe; 9 – Amgu; 10 – Velikaya Kema; 11 – Zerkal'naya (former Tadushi).
Text-fig. 6. Geological plan of Malo-Mikhaylovka. 1 – andesito-dacite; 2 – coarse-grained tuff; 3 – argillitic tuffite; 4 – tuffitic sandstone; 5 – lignite, coal clay; 6 – lenses of tuffitic conglomerate; 7 – acidic tuff; 8 – dacite; 9 – andesito-basalt; 10 – basalt; 11 – sandstone; 12 – andesite; 13 – break; 14 – inclination/direction of beds; 15 – plant-bearing levels; 16 – talus. in Mid-Latitude Palaeogene Floras Of Eurasia Bound To Volcanic Settings And Palaeoclimatic Events - Experience Obtained From The Far East Of Russia (Sikhote-Alin') And Central Europe (Bohemian Massif)
Text-fig. 6. Geological plan of Malo-Mikhaylovka. 1 – andesito-dacite; 2 – coarse-grained tuff; 3 – argillitic tuffite; 4 – tuffitic sandstone; 5 – lignite, coal clay; 6 – lenses of tuffitic conglomerate; 7 – acidic tuff; 8 – dacite; 9 – andesito-basalt; 10 – basalt; 11 – sandstone; 12 – andesite; 13 – break; 14 – inclination/direction of beds; 15 – plant-bearing levels; 16 – talus.
Text-fig. 1. Geological section of the south-western coast in the Nakatova Bay, 28 km south of De Kastri village showing interbedding plant-bearing clays with tuffaceus argillites. 1 – tuff; 2 – tuffaceous argillate; 3 – sandy tuffite; 4 – interbed with lignitic fragments in bedded andesite; 5 – tuffitic conglomerate; 6 – basaltoid agglomerate; 7 – unconformity; 8 – plant-bearing level. in Mid-Latitude Palaeogene Floras Of Eurasia Bound To Volcanic Settings And Palaeoclimatic Events - Experience Obtained From The Far East Of Russia (Sikhote-Alin') And Central Europe (Bohemian Massif)
Text-fig. 1. Geological section of the south-western coast in the Nakatova Bay, 28 km south of De Kastri village showing interbedding plant-bearing clays with tuffaceus argillites. 1 – tuff; 2 – tuffaceous argillate; 3 – sandy tuffite; 4 – interbed with lignitic fragments in bedded andesite; 5 – tuffitic conglomerate; 6 – basaltoid agglomerate; 7 – unconformity; 8 – plant-bearing level.
Text-fig. 8. Basalts, agglomerates and coarse tuffs (dark) and plant-bearing coarse tuffaceous sandstones with fossil plants (light) on the Nitusi Cape, Siziman locality. in Mid-Latitude Palaeogene Floras Of Eurasia Bound To Volcanic Settings And Palaeoclimatic Events - Experience Obtained From The Far East Of Russia (Sikhote-Alin') And Central Europe (Bohemian Massif)
Text-fig. 8. Basalts, agglomerates and coarse tuffs (dark) and plant-bearing coarse tuffaceous sandstones with fossil plants (light) on the Nitusi Cape, Siziman locality.
Text-fig. 5. Malo-Mikhaylovka village. The view on outcrops of the Malo-Mikhaylovka plant-bearing sedimentary strata. in Mid-Latitude Palaeogene Floras Of Eurasia Bound To Volcanic Settings And Palaeoclimatic Events - Experience Obtained From The Far East Of Russia (Sikhote-Alin') And Central Europe (Bohemian Massif)
Text-fig. 5. Malo-Mikhaylovka village. The view on outcrops of the Malo-Mikhaylovka plant-bearing sedimentary strata.
Text-fig. 7. Tuffitic argillites and coaly argillites with plant fossils near the bottom of the plant-bearing beds at the MaloMikhaylovka locality. in Mid-Latitude Palaeogene Floras Of Eurasia Bound To Volcanic Settings And Palaeoclimatic Events - Experience Obtained From The Far East Of Russia (Sikhote-Alin') And Central Europe (Bohemian Massif)
Text-fig. 7. Tuffitic argillites and coaly argillites with plant fossils near the bottom of the plant-bearing beds at the MaloMikhaylovka locality.
Text-fig. 3. Distribution of main types of volcanoes in the NearShore Volcanic Belt of Eastern Sikhote-Alin' (Eocene–Neogene). 1 – Central volcanoes (partly preserved); 2 – Central volcanoes (destructed); 3 – Shield and gentle sloping volcanoes with a dolerite or trachy-basaltic neck on the top; 4 – Lava and scoria cones; 5 – Pyroclastic, tuffaceous coarse- and fine-grained terrigenous sedimentary rocks, partly with plant-bearing levels; 6 – Eruption centers of plateau-basalts and the direction of lava flows; 7 – Main Late Cenozoic basaltic plateaus; 8 – Fumarol fields; 9 – Hot springs. in Mid-Latitude Palaeogene Floras Of Eurasia Bound To Volcanic Settings And Palaeoclimatic Events - Experience Obtained From The Far East Of Russia (Sikhote-Alin') And Central Europe (Bohemian Massif)
Text-fig. 3. Distribution of main types of volcanoes in the NearShore Volcanic Belt of Eastern Sikhote-Alin' (Eocene–Neogene). 1 – Central volcanoes (partly preserved); 2 – Central volcanoes (destructed); 3 – Shield and gentle sloping volcanoes with a dolerite or trachy-basaltic neck on the top; 4 – Lava and scoria cones; 5 – Pyroclastic, tuffaceous coarse- and fine-grained terrigenous sedimentary rocks, partly with plant-bearing levels; 6 – Eruption centers of plateau-basalts and the direction of lava flows; 7 – Main Late Cenozoic basaltic plateaus; 8 – Fumarol fields; 9 – Hot springs.
Text-fig. 12. Geological plan of the Velikaya Kema plant-bearing locality (4 km north of Velikaya Kema village). 1 – basalt with flaggy flows; 2 – massive basalt; 3 – andesite with flaggy flows; 4 – andesite-basalt; 5 – trachyte, 6 – felsite; 7 – agglomerate, basalt and andesite; 8 – tuff coarse-grained; 9 – conglomerate; 10 – thin layers of andesitic tuff; 11 – tuffite, tuffaceous argillite, diatomite; 12 – plant bearing levels. in Mid-Latitude Palaeogene Floras Of Eurasia Bound To Volcanic Settings And Palaeoclimatic Events - Experience Obtained From The Far East Of Russia (Sikhote-Alin') And Central Europe (Bohemian Massif)
Text-fig. 12. Geological plan of the Velikaya Kema plant-bearing locality (4 km north of Velikaya Kema village). 1 – basalt with flaggy flows; 2 – massive basalt; 3 – andesite with flaggy flows; 4 – andesite-basalt; 5 – trachyte, 6 – felsite; 7 – agglomerate, basalt and andesite; 8 – tuff coarse-grained; 9 – conglomerate; 10 – thin layers of andesitic tuff; 11 – tuffite, tuffaceous argillite, diatomite; 12 – plant bearing levels.
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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.