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44 results for “landscape environments”
Data for: Temperature and not landscape composition shapes wild bee communities in an urban environment
<p>Data for: Temperature and not landscape composition shapes wild bee communities in an urban environment. This dataset was obtained surveying wild bees using pan-traps in the metropolitan city of Rome in 2016.</p>
Increasing landscape complexity enhances species richness of farmland arthropods, agri-environment schemes also abundance–A meta-analysis
<p>Article dataset</p>
Adding Beauty and Value to the Environment: North Vancouver Landscape Design
<p>Nestled along British Columbia's stunning shoreline, North Vancouver is a secure location for homeowners and wildlife enthusiasts. Living in North Vancouver is lovely because of its verdant surroundings, towering mountains, and serene bodies of water. To be completely appreciated, this natural beauty must nevertheless be meticulously organized and preserved. This article describes North Vancouver landscape design in great depth. That covers how improving gardens, adding landscaping, and maintaining property may improve the appearance of a house and raise its market worth.</p> <h1>North Vancouver Property Maintenance: Preserving the Natural Beauty</h1> <p>Owners of land in North Vancouver have both advantages and disadvantages from its distinctive topography and mild jungle climate. Though the region receives a lot of rain, which benefits the plants, property care must be maintained to prevent issues with erosion, overgrowth, and water.</p> <p>Knowing about the neighbourhood is essential to the seamless maintenance of your North Vancouver house. Everything about upkeep has to be planned to blend in with the surroundings, from routine grass care and pruning to erosion prevention and environmentally friendly irrigation techniques. Hiring professionals for North Vancouver property management guarantees that these tasks will be completed appropriately and thoughtfully. This will preserve the natural feel and shield the landscaping of your house.</p> <h2>Updating Outside Spaces with a Garden Renovation in North Vancouver</h2> <p>People often redo their gardens to make their outdoor living spaces feel fresh again when their tastes and the seasons shift. In <a href="https://goo.gl/maps/sYN36xktU7sxjX2p6" target="_blank" rel="noopener"><strong><span>North Vancouver Garden Renovation</span></strong></a>, where gardens link to the surrounding environment, there are many ways things may alter.</p> <p>A thorough evaluation of the present landscape, accounting for factors such as the kind of native plants present, the amount of sunlight they receive, and the makeup of the soil, is the first step in any successful garden rehabilitation project. Utilising the distinctive natural features of the region, landscape designers in North Vancouver can create gardens that blend in well with their environment.</p> <p>As there many landscapes in North Vancouver, there are as many methods to enhance a garden. Plan vibrant flower beds brimming with native species or serene meditation gardens inspired by the Zen-like tranquilly of the region. Through careful design, precise execution, and a dedication to sustainability, homeowners may revitalize their outdoor areas while maintaining the surrounding natural beauty.</p> <h2>In North Vancouver's Landscape Installations, Art and Nature Collide</h2> <p>Artsy gardening initiatives are a component of <a href="https://www.helpfulhomeservices.ca/" target="_blank" rel="noopener"><strong>North Vancouver landscape design</strong></a> to improve the appearance of residences. Just a few of the projects that can be done to create distinctive and quaint outdoor areas are a tumbling stream, a meandering stone walkway, or a comfortable outdoor fireplace.</p> <p>North Vancouver landscape alterations should be done with great consideration to maintaining the environment's purity. Long-lasting, locally produced materials like wood and natural stone not only look great with their surroundings but also lessen environmental impact during construction.</p> <p>One excellent approach to respect the history of the area and make people feel more a part of their surroundings is to use indigenous culture and historical themes into landscaping. Just two instances of how these well-considered additions transform North Vancouver landscaping from just cosmetic features to significant communal emblems are garden statues featuring traditional Coast Salish art and rain gardens that mimic the area's natural filtration systems.</p>
Data from: Limited influence of landscape on the genetic structure of three small mammals in a heterogeneous arid environment
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Data from: Integrative testing of how environments from the past to the present shape genetic structure across landscapes
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Data from: Applying landscape genomic tools to forest management and restoration of Hawaiian koa (Acacia koa) in a changing environment
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Data from: Predation risk shaped by habitat and landscape complexity in urban environments
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Data from: Modelling the dispersal of the two main hosts of the raccoon rabies variant in heterogeneous environments with landscape genetics
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Data from: Landscape heterogeneity and local adaptation define the spatial genetic structure of Pacific salmon in a pristine environment
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Evolution in alternating environments with tunable inter-landscape correlations
<p>Natural populations are often exposed to temporally varying environments. Evolutionary dynamics in varying environments have been extensively studied, though understanding the effects of varying selection pressures remains challenging. Here we investigate how cycling between a pair of statistically related fitness landscapes affects the evolved fitness of an asexually reproducing population. We construct pairs of fitness landscapes that share global fitness features but are correlated with one another in a tunable way, resulting in landscape pairs with specific correlations. We find that switching between these landscape pairs, depending on the ruggedness of the landscape and the inter-landscape correlation, can either increase or decrease steady-state fitness relative to evolution in single environments. In addition, we show that switching between rugged landscapes often selects for increased fitness in both landscapes, even in situations where the landscapes themselves are anti-correlated. We demonstrate that positively correlated landscapes often possess a shared maximum in both landscapes that allows the population to step through sub-optimal local fitness maxima that often trap single landscape evolution trajectories. Finally, we demonstrate that switching between anti-correlated paired landscapes leads to ergodic-like dynamics where each genotype is populated with nonzero probability, dramatically lowering the steady-state fitness in comparison to single landscape evolution.</p>
Data from: Isolation by environment in white-breasted nuthatches (Sitta carolinensis) of the Madrean Archipelago sky islands: a landscape genomics approach
Understanding landscape processes driving patterns of population genetic differentiation and diversity has been a long-standing focus of ecology and evolutionary biology. Gene flow may be reduced by historical, ecological or geographic factors, resulting in patterns of isolation by distance (IBD) or isolation by environment (IBE). Although IBE has been found in many natural systems, most studies investigating patterns of IBD and IBE in nature have used anonymous neutral genetic markers, precluding inference of selection mechanisms or identification of genes potentially under selection. Using landscape genomics, the simultaneous study of genomic and ecological landscapes, we investigated the processes driving population genetic patterns of White-breasted Nuthatches (Sitta carolinensis) in sky islands (montane forest habitat islands) of the Madrean Archipelago. Using more than 4000 single nucleotide polymorphisms and multiple tests to investigate the relationship between genetic differentiation and geographic or ecological distance, we identified IBE, and a lack of IBD, among sky island populations of S. carolinensis. Using three tests to identify selection, we found 79 loci putatively under selection; of these, seven matched CDS regions in the Zebra Finch. The loci under selection were highly associated with climate extremes (maximum temperature of warmest month and minimum precipitation of driest month). These results provide evidence for IBE – disentangled from IBD – in sky island vertebrates and identify potential adaptive genetic variation.
Data from: The fitness landscape of the codon space across environments
Fitness landscapes map the relationship between genotypes and fitness. However, most fitness landscape studies ignore the genetic architecture imposed by the codon table and thereby neglect the potential role of synonymous mutations. To quantify the fitness effects of synonymous mutations and their potential impact on adaptation on a fitness landscape, we use a new software based on Bayesian Monte Carlo Markov Chain methods and re-estimate selection coefficients of all possible codon mutations across 9 amino-acid positions in Saccharomyces cerevisiae Hsp90 across 6 environments. We quantify the distribution of fitness effects of synonymous mutations and show that it is dominated by many mutations of small or no effect and few mutations of larger effect. We then compare the shape of the codon fitness landscape across amino-acid positions and environments, and quantify how the consideration of synonymous fitness effects changes the evolutionary dynamics on these fitness landscapes. Together these results highlight a possible role of synonymous mutations in adaptation and indicate the potential mis-inference when they are neglected in fitness landscape studies.
Data from: Fisher's geometrical model of fitness landscape and variance in fitness within a changing environment
The fitness of an individual can be simply defined as the number of its offspring in the next generation. However, it is not well understood how selection on the phenotype determines fitness. In accordance with Fisher's fundamental theorem, fitness should have no or very little genetic variance, whereas empirical data suggest that is not the case. To bridge these knowledge gaps, we follow Fisher's geometrical model and assume that fitness is determined by multivariate stabilizing selection towards an optimum that may vary among generations. We assume random mating, free recombination, additive genes, and uncorrelated stabilizing selection and mutational effects on traits. In a constant environment, we find that genetic variance in fitness under mutation-selection balance is a U-shaped function of the number of traits (i.e. of the so-called "organismal complexity"). Because the variance can be high if the organism is of either low or high complexity, this suggests that complexity has little direct costs. Under a temporally varying optimum, genetic variance increases relative to a constant optimum and increasingly so when the mutation rate is small. Therefore mutation and changing environment together can maintain high genetic variance. These results therefore lend support to Fisher's geometric model of a fitness landscape.
Data from: Landscape genomics in Atlantic salmon (Salmo salar): searching for gene-environment interactions driving local adaptation
A growing number of studies are examining the factors driving historical and contemporary evolution in wild populations. By combining surveys of genomic variation with a comprehensive assessment of environmental parameters, such studies can increase our understanding of the genomic and geographical extent of local adaptation in wild populations. We utilized a large-scale landscape genomics approach to examine adaptive and neutral differentiation across 54 North American populations of Atlantic salmon representing seven previously defined genetically distinct regional groups. Over 5500 genome-wide SNPs were genotyped in 641 individuals and 28 bulk assays of 25 pooled individuals each. Genome scans, linkage map and 49 environmental variables were combined to conduct an innovative landscape genomic analysis. Our results provide valuable insight into the links between environmental variation and both neutral and potentially adaptive genetic divergence. In particular, we identified markers potentially under divergent selection, as well as associated selective environmental factors and biological functions with the observed adaptive divergence. Multivariate landscape genetic analysis revealed strong associations of both genetic and environmental structures. We found an enrichment of growth related functions among outlier markers. Climate (temperature-precipitation) and geological characteristics were significantly associated with both potentially adaptive and neutral genetic divergence and should be considered as candidate loci involved in adaptation at the regional scale in Atlantic salmon. Hence, this study significantly contributes to the improvement of tools used in modern conservation and management schemes of Atlantic salmon wild populations.
Data from: Shifting fitness landscapes in response to altered environments
The role of adaptation in molecular evolution has been contentious for decades. Here, we shed light on the adaptive potential in Saccharomyces cerevisiae by presenting systematic fitness measurements for all possible point mutations in a region of Hsp90 under four environmental conditions. Under elevated salinity, we observe numerous beneficial mutations with growth advantages up to 7% relative to the wild type. All of these beneficial mutations were observed to be associated with high costs of adaptation. We thus demonstrate that an essential protein can harbor adaptive potential upon an environmental challenge, and report a remarkable fit of the data to a version of Fisher's geometric model that focuses on the fitness trade-offs between mutations in different environments.
Data from: Landscape genomics in Atlantic salmon (Salmo salar): searching for gene-environment interactions driving local adaptation
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Evolution in alternating environments with tunable inter-landscape correlations
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Data from: Fisher's geometrical model of fitness landscape and variance in fitness within a changing environment
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Data from: Isolation by environment in white-breasted nuthatches (Sitta carolinensis) of the Madrean Archipelago sky islands: a landscape genomics approach
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Data from: The influence of landscape configuration and environment on population genetic structure in a sedentary passerine: insights from loci located in different genomic regions
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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.