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Dataset results
6 results for “Lathe”
Ant Mesocosm Experiment in Harvard Forest Lath Houses 2011-2012
Direct and indirect consequences of global warming on ecosystem functions and processes mediated by invertebrates remain understudied but are likely to have major impacts on ecosystems in the future. Among animals, invertebrates are taxonomically diverse, responsive to temperature changes, and play major ecological roles which also respond to temperature changes. We used a mesocosm experiment to evaluate impacts of two warming treatments (+3.5 and + 5 °C, set points) and the presence and absence of the ant Formica subsericea (a major mediator of processes in north-temperate ecosystems) on decomposition rate, soil movement, soil respiration, and nitrogen availability. Replicate 19-Litre mesocosms were placed outdoors in lath houses and continuously warmed for 30 days in 2011 and 85 days in 2012. Warming treatments mimicked expected temperature increases for future climates in eastern North America. In both years, the amount of soil displaced and soil respiration increased in the warming and ant presence treatments (soil movement: 73 to 119%; soil respiration: 37 to 48% relative to the control treatments without ants). Decomposition rate and nitrogen availability tended to decrease in the warmest treatments (decomposition rate: -26 to -30%; nitrate availability: -11 to -42%). Path analyses indicated that ants had significant short term direct and indirect effects on the studied ecosystem processes. These results suggest that ants may be moving more soil and building deeper nests to escape increasing temperatures, but warming may also influence their direct and indirect effects on soil ecosystem processes.
Red Maple Seedling Soil Warming Experiment in Harvard Forest Lath House 2015
Microhabitat environmental conditions are an important filter for seedling establishment, controlling the availability of optimal recruitment sites. Understanding how tree seedlings respond to warming soil temperature is critical for predicting population recruitment in the future hardwood forests of northeastern North America, particularly as environmental conditions and thus optimal microhabitat availabilities change. We examined the effect of 5˚C soil warming during the first growing season on germination, survival, phenology, growth, and stem and root biomass allocation in Acer rubrum (red maple) seedlings. While there was no effect of soil warming on germination or survival, seedlings growing in warmer soils demonstrated significantly accelerated leaf expansion, delayed autumn leaf senescence, and an extended leaf production period. Further, seedlings growing in warmer soils showed larger leaf area, stem and root structures at the end of the first growing season, with no evidence of biomass allocation tradeoffs. Results suggest A. rubrum seedlings can capitalize on soil warming by adjusting leaf phenology and leaf production, resulting in a longer period of carbon uptake and leading to higher overall biomass. The absence of growth allocation tradeoffs suggests A. rubrum will respond positively to increasing soil temperatures in northeastern forests, at least in the early life stages.
Text-fig. 4. Charred grass from diatomite of Saint-Bauzile. a: Overview of diatomite slab with one larger specimen of charred grass (left) and several smaller, lath-shaped charcoal fragments; SM.B 22260; scale bar = 1 cm. b: Detail of vein exhibited on split grass blade, with stomata oriented parallel to vein. c: Stomata oriented in rows and bands parallel to veins exposed on split grass blade. d: Surface of grass leaf with rectangular, elongated cells with strongly undulating margins in an intercostal area. in Evidence For Wildfires During Deposition Of The Late Miocene Diatomites Of The Konservat-Lagerstätte Lake Saint-Bauzile (Ardèche, France) - Preliminary Results
Text-fig. 4. Charred grass from diatomite of Saint-Bauzile. a: Overview of diatomite slab with one larger specimen of charred grass (left) and several smaller, lath-shaped charcoal fragments; SM.B 22260; scale bar = 1 cm. b: Detail of vein exhibited on split grass blade, with stomata oriented parallel to vein. c: Stomata oriented in rows and bands parallel to veins exposed on split grass blade. d: Surface of grass leaf with rectangular, elongated cells with strongly undulating margins in an intercostal area.
Lathing Hatchets
"The 'lathing hatchet' is recognized by its flat outside contour, made so nails could be struck near a ceiling without hitting it." -[Eric Sloane](https://en.wikipedia.org/wiki/Eric_Sloane), [*Museum of Early American Tools*](https://www.amazon.com/Museum-Early-American-Tools-Americana/dp/0486425606/ref=sr_1_1?crid=1MDB8783EQVPS&dchild=1&keywords=museum+of+early+american+tools&qid=1613590281&s=books&sprefix=museum+of+early%2Cstripbooks%2C170&sr=1-1) Modeled from Eric Sloane's [*Museum of Early American Tools*](https://www.amazon.com/Museum-Early-American-Tools-Americana/dp/0486425606/ref=sr_1_1?crid=1MDB8783EQVPS&dchild=1&keywords=museum+of+early+american+tools&qid=1613590281&s=books&sprefix=museum+of+early%2Cstripbooks%2C170&sr=1-1). Textured with [CC0 Textures](https://cc0textures.com) assets. Made with [Blender](https://blender.org). Source: Objaverse 1.0 / Sketchfab
Spindle lathe
The presented item is a primitive lathe used by Bulgarian Romani. Its main part is a heavy, nearly one-metre-long beech slat with a rectangular cross-section. One end of the tool – held by the lathe operator – narrows like a spindle. The opposite end is shaped into a round head with a large protruding nail embedded in it. It is used, together with the indents on the head, to secure the lathe, e.g. by hooking it onto a peg driven into a wall. The other end is stabilised by propping it up on a stick that can be stuck into the ground or leaned against the ground. This type of lathe is primarily used for the manufacture of weaving spindles, spoon shanks and other small objects with cylindrical and spindle-like shapes. ID no.: MT-E/3508 Time and place of creation: 2nd half of 20th century, Ljulacze (Bulgaria) District Museum in Tarnów https://muzea.malopolska.pl/en/objects-list/1336 Digitalisation: RDW MIC, Virtual Małopolska project Source: Objaverse 1.0 / Sketchfab
Comparison Between Lathe Cut Versus Cast Molding Soft Contact Lens Technique on Ocular Surface Integrity
ClinicalTrials.gov study NCT06495112. IPD Sharing: NO. Countries: 1. Publications: 0.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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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
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