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3,585 results for “Population study”
Figure 6b. from: A first integrative study of the identity and origins of the British Dwarf Pill Millipede populations, Trachysphaera cf. lobata (Diplopoda, Glomerida, Glomeridae) - Biodiversity Data Journal 3: e5176 (09 June 2015) https://doi.org/10.3897/BDJ.3.e5176
Figure 6b. - Telopods. SEM micrographs of Trachysphaeralobata males from Isle of Wight. For TW# refer to Checklists. Abbreviations: fem = femur; pre = prefemur; syn = syncoxite; ta = tarsus; ti = tibia.Figure 6a.anterior view (MBiID 852943)Figure 6b.anterior view (MBiID 852942)Figure 6c.posterior (anal) view (MBiID 852974)Figure 6d.anterior view (MBiID 852977) <br> anterior view (MBiID 852977)
Georeferenced data for the study Environmental suitability throughout the late Quaternary explains population genetic diversity
<p>Data filtered from GBIF (datasetKey: 50c9509d-22c7-4a22-a47d-8c48425ef4a7) Contains 150 records of the <i>Sciurus aberti </i>squirrel filtered in latitudinal windows of 5 degrees from 20 to 45 degrees N. </p>
Fig. 6 in Phenotypic Study Of Population And Distribution Of The Poecilia Reticulata (Cyprinodontiformes, Poeciliidae) From Kyiv Sewage System (Ukraine)
Fig. 6. Dependence of the area of orange spots (stripes, %) on the body length of male guppies (L) P. reticulata.
Fig. 1 in Phenotypic Study Of Population And Distribution Of The Poecilia Reticulata (Cyprinodontiformes, Poeciliidae) From Kyiv Sewage System (Ukraine)
Fig. 1. Potential (probabilistic) model of P. reticulata current world expansion built in the Maxent program based on the CliMond climatic data and GBIF data (2021). Areas of highest habitat suitability (> 0.5) are colored in red and areas of lowest (<0.1) — in blue.
Fig. 7 in Phenotypic Study Of Population And Distribution Of The Poecilia Reticulata (Cyprinodontiformes, Poeciliidae) From Kyiv Sewage System (Ukraine)
Fig. 7. Dependence of the proportions of the tail (C1/C2) on the body length of P. reticulata: C1/C2 = 1 ("symmetrical tail") is shown by the line.
Figure 4 in Longterm study in Leucoptera coffeella population from southern Minas Gerais, Brazil
Figure 4: Correlation between the number of predated larvae and the average monthly temperature between January 2015 and December 2019 (Chi = 62,855, p <0.01) (PL: predated mines; temp: average monthly temperature).
Figure 3 in Longterm study in Leucoptera coffeella population from southern Minas Gerais, Brazil
Figure 3: Correlation between the number of intact larvae and average monthly temperature between January 2015 and December 2019 (Chi = 73.19, p = 0.02701) (IL: intact mines; temp: average monthly temperature).
Figure 1 in Longterm study in Leucoptera coffeella population from southern Minas Gerais, Brazil
Figure 1: A: Variation in observed values of biological parameters (AL, number of attacked leaves; IL, number of intact larvae present on leaves; PL, number of predated larvae observed on leaves). B: Variation in observed values of abiotic parameters (mean monthly temperature; total monthly precipitation).
Figure 6 in Longterm study in Leucoptera coffeella population from southern Minas Gerais, Brazil
Figure 6: Pearson's correlation pyramid showing the degree and value of the correlations between the studied biological and environmental variables (AL, number of attacked leaves; IL, number of intact larvae present on leaves; PL, number of predated larvae observed on leaves; Temp, average monthly temperature; Prec, total monthly rainfall).
Figure 2 in Longterm study in Leucoptera coffeella population from southern Minas Gerais, Brazil
Figure 2: Correlation between the number of attacked leaves and average monthly temperature between January 2015 and December 2019 (F = 6.7135, p = 0.01208) (AL: attacked leaves; temp: average monthly temperature).
Figure 5 in Longterm study in Leucoptera coffeella population from southern Minas Gerais, Brazil
Figure 5: Correlation between the number of predated larvae and the number of attacled leaves between January 2015 and December 2019 (F = 57.68, p <0.01) (MP: predated mines; FM: mined leaves).
An inbreeding perspective on the effectiveness of wildlife population defragmentation measures: A case study on wild boar (Sus scrofa) of Veluwe, The Netherlands
<p>Pervasive inbreeding is a major genetic threat of population fragmentation and can undermine the efficacy of population connectivity measures. Nevertheless, few studies have evaluated whether wildlife crossings can alleviate the frequency and length of genomic autozygous segments. Here, we provided a genomic inbreeding perspective on the potential effectiveness of mammal population defragmentation measures. We applied a SNP-genotyping case study on the ~2500 wild boar Sus scrofa population of Veluwe, The Netherlands, a 1000-km<sup>2 </sup>Natura 2000 protected area with many fences and roads but also, increasingly, fence openings and wildlife crossings. We combined a 20K genotyping assessment of genetic status and migration rate with a simulation that examined the potential for alleviation of isolation and inbreeding. We found that Veluwe wild boar subpopulations are significantly differentiated (FST-values of 0.02-0.07) and have low levels of gene flow. One noteworthy exception was the Central and Southeastern subpopulation, which were nearly panmictic and appeared to be effectively connected through a highway wildlife overpass. Estimated effective population sizes were at least 85 for the meta-population and ranging from 31 to 52 for the subpopulations. All subpopulations, including the two connected subpopulations, experienced substantial inbreeding, as evidenced through the occurrence of many long homozygous segments. Simulation output indicated that whereas one or few migrants per generation could undo genetic differentiation and boost effective population sizes rapidly, genomic inbreeding was only marginally reduced. The implication is that ostensibly successful connectivity restoration projects may fail to alleviate genomic breeding of fragmented mammal populations. We put forward that defragmentation projects should allow for (i) monitoring of levels of differentiation, migration and genomic inbreeding, (ii) anticipation of the inbreeding status of the meta-population, and, if inbreeding levels are high and/or haplotypes have become fixed, (iii) consideration of enhancing migration and gene flow among meta-populations, possibly through translocation.</p>
Fig. 2 in Tapeworms detected in wolf populations in Central Italy (Umbria and Marche regions): A long-term study
Fig. 2. Neighbor-Joining phylogenetic tree of the sequenced Taenia species and E. granulosus s.s. G3. Maximum Composite Likelihood method, 1000 bootstraps (MEGA11 Software).
Fig. 1 in Tapeworms detected in wolf populations in Central Italy (Umbria and Marche regions): A long-term study
Fig. 1. Details of sampling and results: number of wolves by region (A); number of positive wolves (B); percentages of positive and negative samples (C); geolocation of parasites (D).
Figure 1 in Study of the population fluctuations and feeding effects of Tetranychus urticae (Acari: Tetranychidae) on three cultivars of Capsicum annuum (Solanaceae)
Figure 1. Population fluctuations of T. urticae mobile stages on the three C. annuum cultivars at El-Beheira governorate
Fig. 14. a in Spirostomum teres: A Long Term Study of an Anoxic-Hypolimnion Population Feeding upon Photosynthesizing Microorganisms
Fig. 14. a) Spirostomum teres numbers plot [cells mL–1] against autotrophic, APP vs. heterotrophic picoplankton, HPP [cells mL–1], and all analysed APP/HPP data plot, b) Species occurrence in habitats, in which S. teres was found (in the logarithmic scale of APP).
Fig. 1 in Distribution and Occurrence of Vairimorpha plodiae (Opisthokonta: Microspora) in the Indian Meal Moth, Plodia interpunctella (Lepidoptera: Pyralidae) Populations: An Extensive Field Study
Fig. 1. The microsporidian pathogen, Vairimorpha plodiae infections in Plodia interpunctella populations in Turkey. Infected populations (note that the pathogen naturally disperses in all populations). (AYD: Aydın, BOL: Bolu, DNZ: Denizli, GZP: Gaziantep, ISP: Isparta, İST: İstanbul, İZM: İzmir, MLT: Malatya, ORD: Ordu, SAM: Samsun, ST: Siirt, TRB: Trabzon)
Fig. 15. a in Spirostomum teres: A Long Term Study of an Anoxic-Hypolimnion Population Feeding upon Photosynthesizing Microorganisms
Fig. 15. a) Spirostomum teres numbers plot [cells mL–1] against Photosynthetically Active Radiation, PAR [%] vs. autotrophic picoplankton, APP [cells mL–1], and analysed PAR/APP data plot; blue bubbles mark the samples from the event of incomplete mixing (January); b) Species occurrence in habitats, in which S. teres was found (in the logarithmic scale of PAR).
Fig. 5 in Spirostomum teres: A Long Term Study of an Anoxic-Hypolimnion Population Feeding upon Photosynthesizing Microorganisms
Fig. 5. Representative Spirostomum teres sampling profiles in Lake La Preciosa (a to c) and Lake de La Cruz (d to f). a, d, g) T [°C], Dissolved oxygen, DO [mg L–1], and Photosynthetically active radiation PAR [%]; b, e, h) numbers of APP [cells mL–1] (not analysed in de La Cruz) and of Spirostomum teres [cells L–1]; c) turbidity [NTU]; f, I) chlorophyll a, Chl a [µg L–1], phycoerythrin, PE [µg L–1], and phycocyanin, PC [ng L–1].
Fig. 2 in Spirostomum teres: A Long Term Study of an Anoxic-Hypolimnion Population Feeding upon Photosynthesizing Microorganisms
Fig. 2. Heterotrophic (HPP) and autotrophic picoplankton (APP) in Lake Alchichica (based on Peštová et al. 2008, Macek et al. 2009, Hernández-Avilés et al. 2010, Bautista-Reyes and Macek 2012, Sánchez-Medina et al. 2016, Pájares et al. 2017, and this study).
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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.