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76 results for “population recovery”
Novel parasite invasion leads to rapid demographic compensation and recovery in an experimental population of guppies
<p><a name="_Hlk35864018">The global movement of pathogens is altering populations and communities through a variety of direct and indirect ecological pathways. The direct effect of a pathogen on a host is reduced survival, which can lead to decreased population densities. However, theory also suggests that increased mortality can lead to no change or even increases in the density of the host. </a>This paradoxical result can occur in a regulated population when the pathogen's negative effect on survival is countered by increased reproduction at the lower density. Here we analyze data from a long-term capture-mark-recapture experiment of Trinidadian guppies (<i>Poecilia reticulata</i>) that was recently infected with a nematode parasite (<i>Camallanus cotti</i>). By comparing the newly infected population with a control population that was not infected we show that decreases in the density of the infected guppy population were transient. The guppy population compensated for the decreased survival by a density-dependent increase in recruitment of new individuals into the population, without any change in the underlying recruitment function. Increased recruitment was related to an increase in the somatic growth of uninfected fish. Twenty months into the new invasion, the population had fully recovered to pre-invasion densities even though the prevalence of infection of fish in the population remained high (72%). These results show that density-mediated indirect effects of novel parasites can be positive, not negative, which makes it difficult to extrapolate to how pathogens will affect species interactions in communities. We discuss possible hypotheses for the rapid recovery.</p>
Application of Virtual Reality in Post-Operative Recovery of a Pediatric Scoliosis Patient Population
ClinicalTrials.gov study NCT06101264. IPD Sharing: NO. Countries: 1. Publications: 0.
Novel parasite invasion leads to rapid demographic compensation and recovery in an experimental population of guppies
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Data from: Demography of a high density tiger population and its implications for tiger recovery
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PGCC development and recovery within a prostate cancer cell population
GEO Series GSE196453. Homo sapiens. 24 samples. Type: Expression profiling by high throughput sequencing.
Unique microglia recovery population revealed by single-cell RNAseq following neurodegeneration
GEO Series GSE90975. Mus musculus. 16 samples. Type: Expression profiling by high throughput sequencing.
Data from: Artificial barriers prevent genetic recovery of small isolated populations of a low-mobility freshwater fish
Habitat loss and fragmentation often result in small, isolated populations vulnerable to environmental disturbance and loss of genetic diversity. Low genetic diversity can increase extinction risk of small populations by elevating inbreeding and inbreeding depression, and reducing adaptive potential. Due to their linear nature and extensive use by humans, freshwater ecosystems are especially vulnerable to habitat loss and fragmentation. Although the effects of fragmentation on genetic structure have been extensively studied in migratory fish, they are less understood in low-mobility species. We estimated impacts of instream barriers on genetic structure and diversity of the low-mobility river blackfish (Gadopsis marmoratus) within five streams separated by weirs or dams constructed 45–120 years ago. We found evidence of small-scale (<13 km) genetic structure within reaches unimpeded by barriers, as expected for a fish with low mobility. Genetic diversity was lower above barriers in small streams only, regardless of barrier age. In particular, one isolated population showed evidence of a recent bottleneck and inbreeding. Differentiation above and below the barrier was greatest (FST =0.13) in this stream, but in other streams did not differ from background levels. Spatially explicit simulations suggest that short-term barrier effects would not be detected with our dataset unless effective population sizes were very small (<100). Our study highlights that, in structured populations, the ability to detect short-term genetic effects from barriers is reduced and requires more genetic markers compared to panmictic populations. We also demonstrate the importance of accounting for natural population genetic structure in fragmentation studies.
Caregiver Burden Within the Ambulatory Extended Recovery (AXR) Patient Population
ClinicalTrials.gov study NCT02501785. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Effect of Short Sprint Interval Training With Active Recovery as Compared to Passive Recovery on Anaerobic Capacity in Non-athletic Population
ClinicalTrials.gov study NCT06625424. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Culturally Responsive Community Driven Substance Use Recovery for Black and Latinx Population
ClinicalTrials.gov study NCT05260047. IPD Sharing: NO. Countries: 1. Publications: 0.
Improving Social Connectedness Through Digital Health to Enhance Recovery from OUD Among the Justice Involved Population
ClinicalTrials.gov study NCT06896656. IPD Sharing: NO. Countries: 1. Publications: 0.
Suboxone User Perioperative Early Referral and Enhanced Recovery After Surgery- Orthopaedic Trauma Surgery Population
ClinicalTrials.gov study NCT04464512. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Effect of Maolactin™ FMR on Exercise Recovery, Inflammation, and Muscle Comfort in an Otherwise Healthy Population
ClinicalTrials.gov study NCT06436781. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Effect of Maolactin™ FMR on Exercise Recovery, Inflammation and Muscle Comfort in an Otherwise Healthy Population
ClinicalTrials.gov study NCT06444763. IPD Sharing: Not stated. Countries: 1. Publications: 0.
M-Health Administered Sleep Treatment to Enhance Recovery in Bariatric Populations (MASTER)
ClinicalTrials.gov study NCT04619771. IPD Sharing: NO. Countries: 1. Publications: 0.
Data from: Artificial barriers prevent genetic recovery of small isolated populations of a low-mobility freshwater fish
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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.