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19 results for “SLA”
BioCON Biomass Cover and SLA 1998-2022
The data and code in this package are associated with the analysis for a manuscript titled "Elevated CO2 and N gradually weaken the influence of diversity on ecosystem stability". The files include 25 years of data on species specific cover and biomass, total aboveground biomass, and realized species richness from 260 plots of the BioCON experiment. It also includes treatment specific means of specific leaf area (SLA) for plant species in BioCON.
Carbon Dynamics Along a Permafrost Gradient at Caribou-Poker Creeks Research Watershed (CPCRW) in Interior Alaska: Specific Leaf Area (SLA) for alder (Alnus crispa) and black spruce (Picea mariana) in a 75x75m spatial domain along a permafrost and vegetation gradient.
This dataset includes specific leaf area (SLA) data for two dominant tree species in the Caribou-Poker Creeks Research Watershed: alder (Alnus crispa) and black spruce (Picea mariana). Up to 10 leaf samples were collected per species per sampling location. Project summary: Specific leaf area (SLA, leaf area per unit dry mass) is a key canopy structural characteristic, a measure of photosynthetic capacity, and an important input into many terrestrial process models. Although many studies have examined SLA variation, relatively few data exist from high latitude, climate-sensitive permafrost regions. We measured SLA and soil and topographic properties across a boreal forest permafrost transition, in which forest composition changed as permafrost deepened from 54 to >150 cm over 75 m hillslope transects in Caribou-Poker Creeks Research Watershed, Alaska. This is an exploratory study to begin understanding SLA variation and controls thereof in a non-contiguous permafrost system.
Carbon Dynamics Along a Permafrost Gradient at Caribou-Poker Creeks Research Watershed (CPCRW) in Interior Alaska: Specific Leaf Area (SLA) for alder (Alnus crispa) and black spruce (Picea mariana) in a 75x75m spatial domain along a permafrost and vegetation gradient.
This dataset includes depth-resolved soils data from September 2014 coring: soil pH, gravimetric soil moisture, roots/rocks, bulk density, humification indices as determined by FTIR, total elemental composition (carbon, nitrogen, sulfur), depth to mineral horizon, thickness of the moss layer, percent groundcover at the sampling location of several common species, and soil temperature at the time of coring. Project summary: Specific leaf area (SLA, leaf area per unit dry mass) is a key canopy structural characteristic, a measure of photosynthetic capacity, and an important input into many terrestrial process models. Although many studies have examined SLA variation, relatively few data exist from high latitude, climate-sensitive permafrost regions. We measured SLA and soil and topographic properties across a boreal forest permafrost transition, in which forest composition changed as permafrost deepened from 54 to >150 cm over 75 m hillslope transects in Caribou-Poker Creeks Research Watershed, Alaska. This is an exploratory study to begin understanding SLA variation and controls thereof in a non-contiguous permafrost system.
Eight Mile Lake Research Watershed, Carbon in Permafrost Experimental Heating Research (CiPEHR): leaf SLA, C, N, P, Ca, delta-13C, delta-15N at peak biomass, 2017
The Carbon in Permafrost Experimental Heating Research (CiPEHR) project addresses the following questions: 1) Does ecosystem warming cause a net release of C from the ecosystem to the atmosphere?, 2) Does the decomposition of old C, that comprises the bulk of the soil C pool, influence ecosystem C loss?, and 3) How do winter and summer warming alone, and in combination, affect ecosystem C exchange? We are answering these questions using a combination of field and laboratory experiments to measure ecosystem carbon balance and radiocarbon isotope ratios at a warming experiment located in an upland tundra field site near Healy, Alaska in the foothills of the Alaska Range. This data set includes carbon (C) and nitrogen (N) elemental and isotope content in leaves collected from winter warming, summer warming, and control treatment plots at CiPEHR.
Eight Mile Lake Research Watershed, Thaw Gradient: leaf SLA, C, N, P, Ca, Mg, delta-13C, delta-15N at peak biomass, 2017
In this larger study, we are asking the question: Is old carbon that comprises the bulk of the soil organic matter pool released in response to thawing of permafrost? We are answering this question by using a combination of field and laboratory experiments to measure radiocarbon isotope ratios in soil organic matter, soil respiration, and dissolved organic carbon, in tundra ecosystems. The objective of these proposed measurements is to develop a mechanistic understanding of the SOM sources contributing to C losses following permafrost thawing. We are making these measurements at an established tundra field site near Healy, Alaska in the foothills of the Alaska Range. Field measurements center on a natural experiment where permafrost has been observed to warm and thaw over the past several decades. This area represents a gradient of sites each with a different degree of change due to permafrost thawing. As such, this area is unique for addressing questions at the time and spatial scales relevant for change in arctic ecosystems.
SLA Metrics
<p>This dataset represents the SLA metrics for the service level objectives that were identified in the SUNFISH requirements.</p>
Plant traits SLA CN percent cover:e133: 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.
Dental Implants With a SLActive® vs. SLA® Surface
ClinicalTrials.gov study NCT03737357. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Feasibility Analysis of LCD-SLA 3D Printing Technology for Overall Surgical Planning of Liver Malignant Tumors
ClinicalTrials.gov study NCT06526754. IPD Sharing: YES. Countries: 1. Publications: 0.
Experimental data (Biomass, RGR, LDMC, SLA etc.) of Myriophyllum spicatum and Cabomba caroliniana
<p>The synergy between climate change, eutrophication and biological invasion is threatening for native submerged plants in many ways. The response of submerged plants to these changes is a key factor that determines the outcome of biological invasion. In order to explain the invasion successes, we investigated the combined effects of climate change and eutrophication related environmental factors (temperature, light, nutrients) on the hard trait responses of a native and an alien submerged species (<i>Myriophyllum spicatum</i>, <i>Cabomba caroliniana</i>) from the same growth form. In a factorial design we cultivated the two species in aquaria containing low and high nutrient concentrations and incubated at four light intensities under two temperature levels. We used invasion related four functional traits (relative growth rate, specific leaf area, leaf dry matter content, nitrogen to carbon ratio) to measure the environmental response of the species. We calculated plasticity indexes to express the hard trait differences between species. The alien species <i>C. caroliniana</i> showed significantly higher relative growth rate and specific leaf area than <i>M. spicatum</i> especially under low light intesity indicating that <i>Cabomba</i> is much more shade tolerant.<b> </b>Elevated temperature resulted in higher specific leaf area and reduced dry mass content for <i>C. caroliniana </i>indicating that<i> Cabomba </i>may have higher invasion success. <i>M. spicatum</i> showed significantly higher leaf dry matter content than <i>C. caroliniana</i>. Chemical analyses of the plant tissue revealed that although <i>M. spicatum</i> showed significantly higher N:C molar ratio, nonetheless the daily nitrogen uptake of <i>C. caroliniana</i> was three times faster than that of <i>M. spicatum</i>. Results indicated that due to its higher shade tolerance and nitrogen uptake capacity, <i>Cabomba</i> has greater invasion success with increasing temperature combined with low light levels.</p>
Implant Stability of Laser vs SLA Surface Treated Implants Placed in Fresh Extraction Sockets
ClinicalTrials.gov study NCT04092920. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Phase 1 LEISH-F3 + SLA-SE Vaccine Trial in Healthy Adult Volunteers
ClinicalTrials.gov study NCT02071758. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Development of Evidence-based Therapeutic Guidelines for Early SLA in Urdu-speaking Children With Cochlear Implants
ClinicalTrials.gov study NCT07068373. IPD Sharing: NO. Countries: 1. Publications: 0.
Experimental data (Biomass, RGR, LDMC, SLA etc.) of Myriophyllum spicatum and Cabomba caroliniana
Open the record for dataset details and reuse information.
Transcriptome analysis of porcine PMBCs after stimulation by LPS or PMA/ionomycin using SLA-RI/NRSP8-13K chip
GEO Series GSE17320. Sus scrofa. 28 samples. Type: Expression profiling by array.
Generation of Cell Banks and Biomarker Isolation From Patients With Amyotrophic Lateral Sclerosis (ALS) (HCD-SLA)
ClinicalTrials.gov study NCT07099066. IPD Sharing: Not stated. Countries: 0. Publications: 0.
Laser Treated vs SLA Treated Short Implants in Terms of Stability.
ClinicalTrials.gov study NCT04100382. IPD Sharing: Not stated. Countries: 0. Publications: 0.
SLA
Open the record for dataset details and reuse information.
cDNA microarray analysis of gene expression in blood mononuclear cells of Yorkshire pigs with SLA-DRB1 defined genotypes
GEO Series GSE7908. Bos taurus; Sus scrofa. 12 samples. Type: Expression profiling by array.
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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.