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222 results for “human influence”
Data from: Local human pressures influence gene flow in a hybridizing Daphnia species complex
Anthropogenic environmental changes are considered critical drivers of the genetic structure of populations and communities through, for example, the facilitation of introgressive hybridization between syntopic species. However, the mechanisms by which environmental perturbations trigger changes in the genetic structure of populations and communities, such as the processes that determine the directionality of hybridization and patterns of mitochondrial introgression over many generations, remain largely unexplored. In this study, the changes in genetic structure of hybridizing members of the Daphnia longispina species complex were reconstructed over the last 100 years for three large temperate lakes under strong anthropogenic pressures via paleogenetic analyses of resting egg banks. Drastic changes in the genetic structure of the Daphnia community, associated with hybridization events between D. longispina and D. galeata and subsequent introgression, were detected in Lakes Geneva and Bourget. In Lake Bourget, these changes were induced by the successful establishment of D. galeata with rising phosphorus levels and reinforced by the sensitivity of D. longispina to fish predation pressure. In Lake Geneva, the pattern of hybridization during eutrophication is more likely a function of the original taxonomic composition of the species complex in this lake. Lakes seem to require at least a meso-oligotrophic status to allow D. galeata populations to establish and accordingly no D. galeata genotypes were found in the egg bank of oligotrophic Lake Annecy. In contrast to the generally assumed pattern of unidirectional hybridization in this species complex, bidirectional hybridization was recorded in Lakes Geneva and Bourget. Our results also demonstrate complex genetic trajectories within this species complex and highlight the irreversibility of changes in the genotypic architecture of populations driven by local human pressures. Finally, we show that extensive hybridization and introgression do not necessarily result in a large and homogenous hybrid swarm.
Data from: Exploring possible human influences on the evolution of Darwin's finches
Humans are an increasingly common influence on the evolution of natural populations. Potential arenas of influence include altered evolutionary trajectories within populations and modifications of the process of divergence among populations. We consider this second arena in the medium ground finch (Geospiza fortis) on Santa Cruz Island, Galápagos, Ecuador. Our study compared the G. fortis population at a relatively undisturbed site, El Garrapatero, to the population at a severely disturbed site, Academy Bay, which is immediately adjacent to the town of Puerto Ayora. The El Garrapatero population currently shows beak size bimodality that is tied to assortative mating and disruptive selection, whereas the Academy Bay population was historically bimodal but has lost this property in conjunction with a dramatic increase in local human population density. We here evaluate potential ecological-adaptive drivers of the differences in modality by quantifying relationships between morphology (beak and head dimensions), functional performance (bite force), and environmental characteristics (diet). Our main finding is that associations among these variables are generally weaker at Academy Bay than at El Garrapatero, possibly because novel foods are used at the former site irrespective of individual morphology and performance. These results are consistent with the hypothesis that the rugged adaptive landscapes promoting and maintaining diversification in nature can be smoothed by human activities, thus hindering ongoing adaptive radiation.
The influence of the choice of force field on the conformational landscape of monomeric rat and human islet amyloid polypeptide
<p>Dataset of the BEMD data used in the paper "The influence of the choice of force field on the conformational landscape of monomeric rat and human islet amyloid polypeptide"</p>
Human and Organizational Factors and their Influence on Turnover in Global Software Development Projects
<p><strong>LIST OF PAPERS - Human and Organizational Factors and their Influence on Turnover in Global Software Development Projects</strong></p> <p> </p>
Influence of Green Human Resource Practices on Environment Sustainability of Cement Industry in Pakistan
<p>Global warming aligns firms green human resource management (HRM) practices, categories with environmental sustainability. Researchers believes that environment friendly practices, employees’ empowerment, awareness towards green environment promotes firms’ businesses. Aim of the current study is analysis of the GHRM practices on environment sustainability of cement industry in Pakistan. The first hypothesis was Green recruitment and selection practice have significant influence on environmental sustainability of cement industry in Pakistan. The second hypothesis was green performance management practice have significant influence on environmental sustainability of cement industry in Pakistan. There were two independent variables (green recruitment and selection and green performance management and appraisal) one dependent variable environment sustainability were tested. SPSS and2nd generation statistical software Smart PLS 3.2.9 were used for the measurement model and structural model. Both hypotheses show significance level i.e., green recruitment and selection GRaS>ES (β = .235, t = 2.385, p < .003) with f2 of .035 and green performance appraisal GPA>ES (β = .258, t = 3.345, p < .002) with f2 of .025 were significant. The current study suggests that employees’ recruitments and appraisals in private sector should be performed on the GHRM practices to achieve the environment sustainable goals.</p>
Dataset related to the following study: Humanoid attitudes influence humans in video and live interactions
Open the record for dataset details and reuse information.
Human-driven land surface transformations are major influences in global drought propagation
<p>This upload contains two data sets </p> <p>1) oldata.zip : This dataset contains time series for soil moisture, groundwater, precipitation and evapotranspiration within Open loop simulations </p> <p>2) dadata.zip : This dataset contains time series for soil moisture, groundwater, precipitation and evapotranspiration within Data assimilation simulations </p>
FIGURE 2 in A perspective for resolving the systematics of Rattus, the vertebrates with the most influence on human welfare
FIGURE 2. Combined phylogenetic tree of Rattini showing both MrBayes and RAxML support values (posterior probabilities above and bootstrap below the branches). The coloured branches indicate each of the clades A, B, C, D & E also labelled to the right hand side. Arrow indicates Rattus sp. 'Bisa Island'.
FIGURE 3 in A perspective for resolving the systematics of Rattus, the vertebrates with the most influence on human welfare
FIGURE 3. Map showing country of origin of specimens used in this study. Coloration matches clades A-E in Figure 2, with black circles indicating non-clade E rodents.
Data from: Pyrenean ptarmigan decline under climatic and human influences through the Holocene
In Europe, the Quaternary is characterized by climatic fluctuations known to have led to many cycles of contraction and expansion of species geographical ranges. In addition, during the Holocene, historical changes in human occupation such as colonization or abandonment of traditional land uses can also affect habitats. These climatically or anthropically induced geographic range changes are expected to produce considerable effective populations size change, measurable in terms of genetic diversity and organization. The rock ptarmigan (Lagopus muta) is a small-bodied grouse occurring throughout Northern hemispheric arctic and alpine tundra. This species is not considered threatened at a continental scale, but the populations in the Pyrenees are because of their small population size, geographical isolation, and low genetic diversity. Here, we used eleven microsatellites to investigate genetic variations and differentiations and infer the overall demographic history of Pyrenean rock ptarmigan populations. The low genetic variability found in these populations has been previously thought to be the result of a bottleneck that occurred following the last glacial maximum (i.e., 10,000 years ago) or more recently (i.e., during the last 200 years). Our results clearly indicate a major bottleneck affecting the populations in the last tenth of the Holocene. We discuss how this decline can be explained by a combination of unfavorable and successive events which all increased the degree of habitat fragmentation.
Influence of Pantoprazole on Human Myocardial Contractility at Patients With Congestive Heart Failure
ClinicalTrials.gov study NCT00699361. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Influence of Treatment With Olanzapine or Ziprasidone on Transcapillary Glucose Transport in Human Skeletal Muscle
ClinicalTrials.gov study NCT00297960. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Researchers At UC San Diego Are Learning About the Benefits of Human Milk and How It Influences Infant and Child Health
ClinicalTrials.gov study NCT05553743. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Factors Influencing the Composition of Human Milk
ClinicalTrials.gov study NCT04382989. IPD Sharing: NO. Countries: 1. Publications: 1.
Influence of Dopaminergic Blockade on Stress Responses, Motivation and Emotional Reactivity in Humans.
ClinicalTrials.gov study NCT03863691. IPD Sharing: NO. Countries: 1. Publications: 5.
Factors Influencing the Human Gut Microbiome Profile in Multi-ethnic Groups of the Singapore Community (FAMES)
ClinicalTrials.gov study NCT02893709. IPD Sharing: NO. Countries: 1. Publications: 4.
Influence of Caffeine Consumption on the Human Circadian System
ClinicalTrials.gov study NCT05409339. IPD Sharing: Not stated. Countries: 1. Publications: 5.
The Influence of Glutamate on Memory in Humans
ClinicalTrials.gov study NCT00980408. IPD Sharing: Not stated. Countries: 1. Publications: 1.
the Influence of Remote Ischemic Preconditioning on Inflammation During Human Endotoxemia
ClinicalTrials.gov study NCT02602977. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Ketones Influence on Glucose Metabolism in Brain. A Human Positron Emission Tomography (PET) Study
ClinicalTrials.gov study NCT02357550. IPD Sharing: Not stated. Countries: 1. Publications: 2.
ScienceDex guides
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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.