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6,569 results for “Long-term”
Supplementary material 4 from: Monti-Birkenmeier M, Diociaiuti T, Umani SF (2019) Long-term changes in abundance and diversity of tintinnids in the Gulf of Trieste (Northern Adriatic Sea). In: Mazzocchi MG, Capotondi L, Freppaz M, Lugliè A, Campanaro A (Eds) Italian Long-Term Ecological Research for understanding ecosystem diversity and functioning. Case studies from aquatic, terrestrial and transitional domains. Nature Conservation 34: 373-395. https://doi.org/10.3897/natureconservation..29841
: Data type: abundance
Supplementary material 1 from: Petrocelli A, Cecere E, Rubino F (2019) Successions of phytobenthos species in a Mediterranean transitional water system: the importance of long term observations. In: Mazzocchi MG, Capotondi L, Freppaz M, Lugliè A, Campanaro A (Eds) Italian Long-Term Ecological Research for understanding ecosystem diversity and functioning. Case studies from aquatic, terrestrial and transitional domains. Nature Conservation 34: 217-246. https://doi.org/10.3897/natureconservation.34.30055
: Data type: measurement
Data from: Substrate composition impacts long-term vegetation development on blue-green roofs: Insights from an experimental roof and greenhouse study
<p>Data from: van der Kolk et al. (2022). Substrate composition impacts long-term vegetation development on blue-green roofs: Insights from an experimental roof and greenhouse study. Ecological Engineering.</p> <p> </p> <p>See the main article on how data was collected.</p> <p> </p> <p>The dataset contains three tables:</p> <p>greenhouse_biomass.csv: The biomass (in g dry weight) harvested from each container in the greenhouse experiment.</p> <p>greenhouse_percentage_share.csv: The estimated percentage that each species contributes to the total harvested biomass in the greenhouse experiment.</p> <p>roof_cover.csv: The cover (in %) of all species per plot for all surveys.</p>
Data from: Informing conservation strategies with museum genomics: Long-term effects of past anthropogenic persecution on the elusive European wildcat
<p>Like many carnivore species, European wildcats (<em>Felis silvestris</em>) have suffered severe anthropogenic population declines in the past, resulting in a strong population bottleneck in the beginning of the 20th century. In Germany, the species has managed to survive its near-extinction in small isolated areas and is currently recolonizing former habitats owing to legal protection and concerted conservation efforts. Here, we SNP genotyped and mtDNA sequenced 56 historical and 650 contemporary samples to assess the impact of massive persecution on genetic diversity, population structure and hybridization dynamics of wildcats. Spatiotemporal analyses suggest that the presumed postglacial differentiation between two genetically distinct metapopulations in Germany is in fact the result of the anthropogenic bottleneck followed by re-expansion from few secluded refugia. We found that, despite the bottleneck, populations experienced no severe genetic erosion, nor suffered from elevated inbreeding or showed signs of increased hybridization with domestic cats. Our findings have significant implications for current wildcat conservation strategies, as the data analyses show that the two presently recognized wildcat population clusters should be treated as a single conservation unit. Although current populations appear under no imminent threat from genetic factors, fostering connectivity through the implementation of forest corridors will facilitate the preservation of genetic diversity and promote long-term viability. The present study documents how museum collections can be used as essential resource for assessing long-term anthropogenic effects on natural populations, e.g., regarding population structure and the delineation of appropriate conservation units, potentially informing todays' species conservation.</p>
Grasshopper genome reveals long-term conservation of the X chromosome and temporal variation in X chromosome evolution
<p>We present the first chromosome-level genome assembly of the grasshopper, <em>Locusta migratoria</em>, one of the largest insect genomes. We use coverage differences between females (XX) and males (X0) to identify the X chromosome gene content, and find that the X chromosome shows both complete dosage compensation in somatic tissues and an underrepresentation of testes-expressed genes. Remarkably, X-linked gene content from <em>L. migratoria </em>is highly conserved across four insect orders, namely Orthoptera, Hemiptera, Coleoptera and Diptera, and the 800 Mb grasshopper X chromosome is homologous to the fly ancestral X chromosome despite 400 million years of divergence, suggesting either repeated origin of sex chromosomes with highly similar gene content, or long-term conservation of the X chromosome. We use this broad conservation of the X chromosome to test for temporal dynamics to Fast-X evolution, and find evidence of a recent burst evolution for new X-linked genes in contrast to slow evolution of X-conserved genes. Additionally, our results reveal the X chromosome represents a hotspot for adaptive protein evolution related migration and the locust swarming phenotype. Overall, our results reveal a remarkable case of conservation and adaptation on the X chromosome.</p>
A long-term monthly dataset of cloud fraction over the Arctic based on multiple satellite products using cumulative distribution function matching and Bayesian maximum entropy
<p>The low accuracy of satellite Cloud fraction (CF) over the Arctic seriously restricts accurate assessment of regional and global radiant energy balance under the changing climate. Previous studies have reported that not a single satellite CF product could satisfy the needs of accuracy and spatio-temporal coverage simultaneously for long-term applications over the Arctic. Merging multiple CF products with complementary properties is an effective way to produce more spatiotemporally complete and accurate CF data record. This study proposed a spatiotemporal statistical data fusion framework based on cumulative distribution function (CDF) matching and Bayesian maximum entropy (BME) method to produce a syncretic 1°×1° CF dataset in the Arctic during 2000-2020. The original datasets contain CF from MOD08/MYD08, CERES-SSF Terra/Aqua, CLARA-A2 AM/PM, PATMOS-x AM/PM, ISCCP-H AM/PM. The fused CF product is more consistent with the active satellite data GEWEX-CALIPSO and the ground-based observation data CRU TS4.05.</p>
Data for: Long-term changes in habitat selection and prey spectrum in a reintroduced Eurasian lynx (Lynx lynx) population in Switzerland
<p>When wild-caught Euan lynx (Lynx lynx) from the Slovak Carpathian Mountains were reintroduced to Central Switzerland in the early 1970s and spread through the north western Swiss Alps (NWA), they faced a largely unfamiliar landscape with strongly fragmented forests, high elevations and intense human land use. For more than 30 years, radiocollared lynx have been monitored during three different project periods (in the 1980s, 1990s and 2010s). Our study explored, how lynx over generations have learned to adjust to the alpine environment. We predicted that (1) lynx nowadays select more strongly for open habitats, higher elevations and steep slopes compared to the early stages of recolonization and that (2) consequently, there were significant changes in the Eurasian lynx' prey spectrum. To test our predictions, we analysed telemetry data (VHF, GPS) of 13 adult resident lynx in the NWA over 35 years, using Resource Selection Functions. Furthermore, we compared kills recorded from different individuals inhabiting the same region during three project periods. In general, lynx preferred forested areas, but over the years, they avoided open habitat less. Compared to the early stage of the recolonization, lynx in the most recent project period selected for higher elevations and the proportion of chamois in their prey spectrum surmounted that of roe deer. Potential driving factors for the observed changes could be increasing tolerance to human presence, intraspecific competition or fitness benefits through exploitation of new resources. Long-term studies like ours provide important insight into how animals can respond to sudden environmental changes e.g., in the course of translocations into new areas or anthropogenic alterations of their habitats.</p>
Long-term environmental changes in the Canadian boreal zone: Synthesizing temporal trends from lake sediment archives to inform future sustainability
<ul> <li>Lead (Pb) concentration and chlorophyll <em>a</em> data</li> </ul> <p>Original publication: Gros, M., Zilkey D. R., Griffiths, K. T., Pham, J., MacKeigan, P. W., Taranu, Z. E., Aulard, C., Baud, A., Garner, R. E., Ghanbari, H., Lachapelle, M., Monchamp, M-È, Paquette, C., Antoniades, D., Francus, P., Smol, J. P. & Gregory-Eaves, I. (2023). Long-term environmental changes in the Canadian boreal zone: Synthesizing temporal trends from lake sediment archives to inform future sustainability. <em>Environmental Reviews</em>, <em>31</em>(3). https://doi.org/10.1139/er-2023-0006.</p>
Long-term, Open-label Safety Extension Study of Retigabine/Ezogabine in Pediatric Subjects (>= 12 Years Old) With POS or LGS
ClinicalTrials.gov study NCT01668654. IPD Sharing: NO. Countries: 1. Publications: 0.
Study to Assess the Long-term Safety of Lenvatinib Monotherapy, a Lenvatinib Combination Regimen, or a Comparator Treatment Arm to Cancer Participants in Eisai Sponsored Lenvatinib Trials
ClinicalTrials.gov study NCT03477175. IPD Sharing: Not stated. Countries: 11. Publications: 0.
Long-term Safety and Efficacy Study of Fentanyl Sublingual Spray for the Treatment of Breakthrough Cancer Pain
ClinicalTrials.gov study NCT00538863. IPD Sharing: Not stated. Countries: 3. Publications: 0.
A Study to Evaluate Long-term Safety of Nintedanib in Children and Adolescents With Interstitial Lung Disease (InPedILD®-ON)
ClinicalTrials.gov study NCT05285982. IPD Sharing: YES. Countries: 17. Publications: 0.
Open Label Extension Study to Assess the Safety and Long-Term Immunogenicity of ARCT-021
ClinicalTrials.gov study NCT04728347. IPD Sharing: NO. Countries: 1. Publications: 0.
Physical Activity and Quality of Life in Childhood Cancersurvivors- a Long-term Follow-up
ClinicalTrials.gov study NCT07046481. IPD Sharing: YES. Countries: 0. Publications: 10.
Long-term Efficacy and Safety of Fingolimod (FTY720) in Patients With Relapsing-remitting Multiple Sclerosis
ClinicalTrials.gov study NCT00662649. IPD Sharing: Not stated. Countries: 22. Publications: 0.
Extension Study to Evaluate the Long-term Outcomes of Subjects in the CLS-AX CLS1002-101 Study
ClinicalTrials.gov study NCT05131646. IPD Sharing: NO. Countries: 1. Publications: 0.
Long-term Safety and Efficacy of Galantamine in Alzheimer's Disease
ClinicalTrials.gov study NCT00304629. IPD Sharing: Not stated. Countries: 0. Publications: 2.
A Long-term Extension Study to Evaluate Safety, Tolerability, and Efficacy of AL002 in Alzheimer's Disease
ClinicalTrials.gov study NCT05744401. IPD Sharing: Not stated. Countries: 10. Publications: 0.
Long-term Safety and Tolerability of Inclisiran in Participants With HeFH or HoFH Who Have Completed the Adolescent ORION-16 or ORION-13 Studies
ClinicalTrials.gov study NCT05682378. IPD Sharing: YES. Countries: 26. Publications: 0.
Long-term Follow Up of Patients in the Birmingham and Lambeth Liver Evaluation Strategies (BALLETS) Study
ClinicalTrials.gov study NCT04022681. IPD Sharing: NO. Countries: 0. Publications: 1.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.