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11 results for “dominant flows”
"Effects of forestry on summertime low flows and physical fish habitat in snowmelt-dominant headwater catchments of the Pacific Northwest" -- data sets
<p>These files contain the data used in the analysis and production of graphs reported in a manuscript titled "Effects of forestry on summertime low flows and physical fish habitat in snowmelt-dominant headwater catchments of the Pacific Northwest," by Stefan Gronsdahl, R. Dan Moore, Jordan Rosenfeld, Rich McCleary, Rita Winkler. The paper will be published in the journal Hydrological Processes. The file named "readme.txt" explains the contents of the files.</p>
Data from: Inversions dominate evolution in the European Sardine (Sardina pilchardus) amid strong gene flow
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Data from: Genetic analysis of red deer (Cervus elaphus) administrative management units in a human-dominated landscape - patterns of genetic diversity, population structure and gene flow
<p><span><span>Red deer (</span><span><em>Cervus elaphus</em></span><span>) throughout central Europe are</span> impacted by different anthropogenic activities including habitat fragmentation, selective hunting, and translocations<span>. This has substantial influences on genetic diversity and the long-term conservation of local populations of this species. Here we use genetic samples from 480 red deer individuals to assess the genetic diversity and differentiation of the 12 administrative management units located in Schleswig Holstein, the northernmost federal state in Germany. </span></span><span><span>We applied multiple analytical approaches and show that the history of local populations (i.e., translocations, culling of individuals outside of designated red deer zones, and anthropogenic infrastructures) has led to comparably low levels of genetic diversity. The mean expected heterozygosity was below 0.6 and we observed on average 4.2 alleles across 12 microsatellite loci. Effective population sizes below the recommended level of 50 were estimated for multiple local populations. </span></span><span><span>Our estimates of genetic structure and gene flow show that red deer in northern Germany are best described as a complex network of asymmetrically connected subpopulations, with high genetic exchange among some local populations and reduced connectivity of others. Genetic diversity was also correlated with population densities of neighboring management units. </span></span></p> <p><span><span>Based on these findings, we suggest that connectivity among existing management units needs to be considered in the practical management of the species, which means that some administrative management units should be managed together, while the effective isolation of other units needs to be mitigated.</span></span></p>
Data from: Genetic analysis of red deer (Cervus elaphus) administrative management units in a human-dominated landscape - patterns of genetic diversity, population structure and gene flow
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Data from: The utility of information flow in formulating discharge forecast models: a case study from an arid snow-dominated catchment
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Data from: Genetic differentiation in spite of high gene flow in the dominant rainforest tree of southeastern Australia, Nothofagus cunninghamii
Nothofagus cunninghamii is a long-lived, wind-pollinated tree species that dominates the cool temperate rainforests of southeastern Australia. The species' distribution is more or less continuous in western Tasmania but is fragmented elsewhere. However, it is unknown whether this fragmentation has affected the species' genetic architecture. Thus, we examined N. cunninghamii using 12 nuclear microsatellites and 633 individuals from 18 populations spanning the species' natural range. Typical of wind-pollinated trees, there was low range-wide genetic structure (FST=0.04) consistent with significant gene flow across most of the species' range. However, gene flow was not high enough to overcome the effects of drift across some disjunctions. Victorian populations (separated from Tasmania by the 240 km wide Bass Strait) formed a genetic group distinct from Tasmanian populations, had lower diversity (mean allelic richness (Ar)=5.4 in Victoria versus 6.9 in Tasmania) and were significantly more differentiated from one another than those in Tasmania (FST=0.045 in Victoria versus 0.012 in Tasmania). Evidence for bottlenecking was found in small populations that were at least 20 km from other populations. Interestingly, we found little divergence in microsatellite markers between the extremes of genetically based morphological and physiological altitudinal clines suggesting adaptive differentiation is strongly driven by selection because it is likely to be occurring in the presence of gene flow. Even though the cool temperate rainforests of Australia are highly relictual, the species is relatively robust to population fragmentation due to high levels of genetic diversity and gene flow, especially in Tasmania.
Recognition of dominant driving factors behind sap flow of Liquidambar formosana based on back-propagation neutral network method
<p><i><span>Aims:</span></i> This study focused on the applicability of back-propagation (BP) neural networks in simulating sap flow (SF) using meteorological factors and a phenological index (<i><span>PI</span></i>) for <i><span>Liquidambar formosana</span></i><span>,</span> a deciduous broad-leaf tree species in subtropical China, and thus providing a useful and promising alternative to traditional methods for transpiration prediction.</p> <p><i><span>Methods: </span></i>Three-layered BP models with an architecture 4-10-1 <span>(four neurons in the input layer, ten neurons in the hidden layer and one neuron in the output layer) </span>were trained and tested using the Levenberg-Marquardt (LM) algorithm based on in situ observations of SF and concurrent microclimate at the Qianyanzhou Ecological Station, Jiangxi Province, Southeast China. The model performance was verified with testing data not used in model development.</p> <p><i><span>Results: </span></i>The BP models with eight input combinations proved a satisfactory fit: the determination coefficients (<i><span>R</span></i><sup><span>2</span></sup>) and fitting accuracies (<i><span>Acc</span></i>) (about 0.8 and 70%) were significantly higher than those of the multivariate linear regression (MLR) (about 0.5 and 50%), indicating their advantage in solving complex nonlinear problems involved in transpiration. In addition, the BP models showed a bit better performance by adding <i><span>PI</span></i><i> </i><span>to</span> the input family. The best BP model was achieved taking air temperature (<i><span>T</span></i><sub><span>a</span></sub>), relative humidity (<i><span>RH</span></i>), average net radiation (<i><span>ANR</span></i>) and <i><span>PI</span></i> as the input and sap flux density (<i><span>v</span></i><sub><span>s</span></sub>) as the output, with maximum <i><span>R</span></i><sup><span>2</span></sup> and <i><span>Acc</span></i> as high as 0.95 and 90%, respectively.</p> <p><i><span>Conclusions: </span></i><span>The</span><i> </i><span>BP</span><i> </i><span>models with input combination of </span><i><span>T</span></i><sub><span>a</span></sub><sub><span>, </span></sub><i><span>RH, ANR </span></i><span>and</span><i><span> PI </span></i><span>mirrored very well measured daily variations in </span><i><span>v</span></i><sub><span>s</span></sub>. The results could be used to fine-tune sap flow estimation by <i><span>Liquidambar formosana</span></i>, and thus shed light on the eco-hydrological process related to transpiration for deciduous broad-leaf trees.</p>
Data from: Genetic differentiation in spite of high gene flow in the dominant rainforest tree of southeastern Australia, Nothofagus cunninghamii
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Recognition of dominant driving factors behind sap flow of Liquidambar formosana based on back-propagation neutral network method
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Suppelementary files for the article "A visualisation of flow dynamics in tide dominated unconfined coastal aquifers by using physical experiments"
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Separating the relative roles of climate and forest disturbance in high and low flows in snow-dominated watersheds of Southern British Columbia
<p>1. Historical hydrological data in watershed 241, Camp, Greata, and Trepanier watersheds, including daily hydrometeorological records and aggregated hydrometeorological metrics. </p> <p>2. Relative contributions of climate metrics and forest disturbance to multiple hydrological signatures (i.e., high and low flows) in watershed 241, Camp, Greata, and Trepanier watersheds.</p>
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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)
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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.