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3,101 results for “Historical”
Wild pedigrees inform mutation rates and historic abundance in baleen whales
<p>Phylogeny-based estimates suggesting a low germline mutation rate (<em>μ</em>) in baleen whales have influenced research ranging from assessments of whaling impacts to evolutionary cancer biology. We estimated <em>μ</em> directly from pedigrees in four baleen whale species for both the mitochondrial control region and nuclear genome. The results suggest values higher than those obtained through phylogeny-based estimates and similar to pedigree-based values for primates and toothed whales. Applying our estimate of <em>μ</em> reduces previous genetic–based estimates of pre-exploitation whale abundance by 86% and suggests that <em>μ</em> cannot explain low cancer rates in gigantic mammals. Our study shows that it is feasible to estimate <em>μ</em> directly from pedigrees in natural populations, with wide-ranging implications for ecological and evolutionary research.</p>
Historical racial redlining and contemporary patterns of income inequality negatively affect birds, their habitat, and people in Los Angeles, California
<p>The Home Owners' Loan Corporation (HOLC) was a U.S. government-sponsored program initiated in the 1930s to evaluate mortgage lending risk. The program resulted in hand-drawn 'security risk' maps intended to grade sections of cities where investment should be focused (greenlined areas) or limited (redlined zones). The security maps have since been widely criticized as being inherently racist and have been associated with high levels of segregation and lower levels of green amenities in cities across the country. Our goal was to explore the potential legacy effects of the HOLC grading practice on birds, their habitat, and the people who may experience them throughout a metropolis where the security risk maps were widely applied, Greater Los Angeles, California (L.A.). We used ground-collected, remotely sensed, and census data and descriptive and predictive modeling approaches to address our goal. Patterns of bird habitat and avian communities strongly aligned with the luxury-effect phenomenon, where green amenities were more robust, and bird communities were more diverse and abundant in the wealthiest parts of L.A. Our analysis also revealed potential legacy effects from the HOLC grading practice. Associations between bird habitat features and avian communities in redlined and greenlined zones were generally stronger than in areas of L.A. that did not experience the HOLC grading, in part because redlined zones, which included some of the poorest locations of L.A., had the highest levels of dense urban conditions, e.g., impervious surface cover. In contrast, greenlined zones, which included some of the city's wealthiest areas, had the highest levels of green amenities, e.g., tree canopy cover. The White population of L.A., which constitutes the highest percentage of a racial or ethnic group in greenlined areas, was aligned with a considerably greater abundance of birds affiliated with natural habitat features (e.g., trees and shrubs). Conversely, the Hispanic or Latino population, which is dominant in redlined zones, was positively related to a significantly greater abundance of synanthropic birds, which are species associated with dense urban conditions. Our results suggest that historical redlining and contemporary patterns of income inequality are associated with distinct avifaunal communities and their habitat, which potentially influence the human experience of these components of biodiversity throughout L.A. Redlined zones and low-income residential areas that were not graded by the HOLC can particularly benefit from deliberate urban greening and habitat enhancement projects, which would likely carry over to benefit birds and humans.</p>
Data from: Historical biogeography supports Point Conception as the site of turnover between temperate East Pacific ichthyofaunas
<p>The cold temperate and subtropical marine faunas of the Northeastern Pacific meet within California as part of one of the few eastern boundary upwelling ecosystems in the world. Traditionally, it is believed that Point Conception is the precise site of turnover between these two faunas due to sharp changes in oceanographic conditions. However, evidence from intraspecific phylogeography and species range terminals do not support this view, finding stronger biogeographic breaks elsewhere along the coast. Here I develop a new application of historical biogeographic approaches to uncover sites of transition between faunas without needing an <em>a priori</em> hypothesis of where these occur. I used this approach to determine whether the point of transition between northern and southern temperate faunas occurs at Point Conception or elsewhere within California. I also examined expert-vetted latitudinal range data of California fish species from the 1970s and the 2020s to assess how biogeography could change with the backdrop of climate change. The site of turnover was found to occur near Point Conception, in concordance with the traditional view. I suggest that recent species- and population-level processes could be expected to give signals of different events from historical biogeography, possibly explaining the discrepancy across studies. Species richness of California has increased since the 1970s, mostly due to species's ranges expanding northward from Baja California (Mexico). Range shifts under warming conditions seem to be increasing the disparity between northern and southern faunas of California, creating a more divergent biogeography.</p>
Pakistani historical wheat panel 37K SNP data
<p>A collection of 196 historical wheat cultivars of Pakistan released between 1911 to 2022 were subjected to DNA fingerprinting using 16K genotyping-by-targeted sequencing (GBTS) platform. This platform is based on NGS and the 16K probes were resequenced. The resequencing data was aligned to Chinese Spring RefSeq version 1.1 and SNPcalling was performed. This resulted in 37K mSNP (multiple SNPs) DNA fingerprinting data. This is thus far the most comprehensive DNA fingerprinting data of all released cultivars of wheat so far. This data is publically available and can be used in research and publications subject to the acknowledgement. </p>
Historic Smoking Pipe
This clay pipe was discovered by the Michigan Sate University Campus Archaeology field crew while conducting excavations along the banks of the Red Cedar River during the summer of 2018. The pipe is made of a high-fired clay with the letters/initials 'M' and 'T' embossed on the bowl on either side of the pipe stem. This indicates that the letters were pressed into the clay while it was still wet before it was fired in an oven. Clay pipes were the most popular during the 17th century, but then faced a decline. Popularity rose again during the 19th century and fell again during the 1930s due to the increasing use of cigarettes. This pipe likely dates to the mid-19th to early 20th century. Other clay pipes with more intricate decoration have been uncovered in previous CAP excavations. This model was created by CAP Fellow Jack A. Biggs using photogrammetry and Agisoft PhotoScan. Source: Objaverse 1.0 / Sketchfab
The John Rylands Library - Historic Reading Room
The Historic Reading Room resembles the layout of a church; however the alcoves in this purpose built library were designed for private study. The glass in the high windows was chosen to let light in, but obscure the view to the outside. Today, anyone can study in these inspirational spaces or wander the room to marvel at the beauty and peaceful nature of the space. https://www.library.manchester.ac.uk/rylands/ We quickly captured 700 images before the Covid19 lockdown and the Work from Home policy was implemented. Processed wth Agisoft Metashape. It obviously need a lot more images. We've left the Mesh in place as it reminded us of cobwebs.... Source: Objaverse 1.0 / Sketchfab
Lowry Pueblo National Historic Landmark
The Lowry Pueblo National Historic Landmark is located within Canyons of Ancients National Monument in the four corners region of the American Southwest. Containing the highest known density of archaeological sites in the United States, the Canyons of the Ancients National Monument holds evidence of cultures and traditions spanning thousands of years. Sites within the monument include cliff dwellings, single family dwellings, great kivas, multi-storey adobe structures, shrines, rock paintings, petroglyphs and towers. Today, twenty-four native tribes claim cultural affiliation with Canyons of the Ancient National Monument. The Lowry Pueblo National Historic Landmark is a Puebloan "Great House" that contains thirty-seven rooms, eight kivas, and one Great Kiva. Archaeologists have dated the construction and occupation of the site to 100 years in the 11th Century though there is evidence that people continued to use the site into the mid-1200s. Source: Objaverse 1.0 / Sketchfab
Dwarfess's costume from a historical engraving
The 3D model presents a digital look of a historical costume from a Russian lubok print "A dwarf and a dwarfess" dating to the 18th century. The costume was made for a theatrical performance «Indecent is decent» (Ivanovo State Museum of Local History named after D.G. Burylin, October 30, 2019 – March 1, 2020). The 3D reconstruction was made by using historical block patterns, 2D scans of textile materials and 3d scans of contemporary actors. Anthroscan, Clo3D, SubstancePainter and Unreal Engine 4 software programs were used. The authors of the 3D model are: Victor Kuzmichev https://www.researchgate.net/profile/Viktor-Kuzmichev Aleksei Moskvin https://sketchfab.com/alekseimoskvin1 https://independent.academia.edu/AlekseiMoskvin Mariia Moskvina https://sketchfab.com/mariia89 https://independent.academia.edu/MariiaMoskvina The authors thank Tatiana Ponomareva and Anastasia Kornilovich for their important contribution to the project. Source: Objaverse 1.0 / Sketchfab
Historic hut on the island of Spitsbergen
This hut was once part of a mining settlement on the island of Spitsbergen in the Polar Sea and was imported from Great Britain as a prefabricated kit at the beginning of the twentieth century. The numbering of the beams, which allowed the hut to be easily assembled, can still be seen today. As there are no natural wood resources on the entire island, it is precious and the hut was reused elsewhere after the mine was abandoned in 1908 and is probably one of the oldest buildings in the archipelago today. The rapid thawing of the permafrost soils due to climate change is endangering the survival of the remains of the oldest year-round mine on Spitsbergen. In the background is a photograph of the Advent City mine at the time of its construction in 1905. In addition the American mine owner John Munro Longyear reports about the unsuccessful mine in summer 1909. More at this point: https://escience-center.uni-tuebingen.de/svalbard/ Source: Objaverse 1.0 / Sketchfab
[Historical Building] Roche Abbey England
Still Practicing photogrammtery on larger scales. 36 images shot in RAW then converted to TIFF. Follow me on youtube - https://www.youtube.com/channel/UCVhykZcJ3i1cnTxeoGyVAsw Thank you for stopping by :) #EnglishHeritage Source: Objaverse 1.0 / Sketchfab
Historic Stone Courthouse Fairplay, Colorado
This is the historic stone courthouse in Fairplay, Colorado. It has been a library, a jail, county offices and a courthouse over the many years. Source: Objaverse 1.0 / Sketchfab
Historic horse-drawn hay rake
Historic object from the beginning of the 20th century. Photoscanned with 82 pictures from a Ricoh GR3 with Reality Captured and reworked in Blender Source: Objaverse 1.0 / Sketchfab
Magazine Spring, Historic Halifax (after)
View of the Magazine Spring at Historic Halifax State Historic Site after cleaning (6/8/2021). This model was constructed by David Cranford with 66 photos using Agisoft Metashape software. (Credit: NCDNCR/OSA) Source: Objaverse 1.0 / Sketchfab
Historical Grave Stone Scan
A few days ago I visited local museum when I was in holiday and in there I found this gravestone for photoscan also after scanning I did some retopo and polishing is substance painter in the end I am really happy about final look of model =). That was a a important project for me because nowadays no one is caring about historical items, things also people are harming these beatiful things so I decided to convert historical things to digital as possible I could. I am planning to buy a drone after that I am thinking to scan some ancient cities, ancient theater etc. Source: Objaverse 1.0 / Sketchfab
Historic building in Moscow. Gorky Central Park
Quick scan of a historic building. Model is created by using RealityCapture and Houdini. Source: Objaverse 1.0 / Sketchfab
Ologen (OculusGen)-Phacotrabeculectomy Historical Control Study in India
ClinicalTrials.gov study NCT00477685. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Aerosol BCG Challenge Study in Historically BCG-vaccinated Volunteers
ClinicalTrials.gov study NCT04777721. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Historically Controlled Trial of Corticosteroids in Young Boys With Duchenne Muscular Dystrophy
ClinicalTrials.gov study NCT02167217. IPD Sharing: Not stated. Countries: 1. Publications: 4.
Historical analysis of seagrass loss in the United Kingdom
Open the record for dataset details and reuse information.
Phylogenetic endemism and ancestral area inference reveal historical refugia in the Greater Cape Floristic Region
Open the record for dataset details and reuse information.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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