Dryad Digital Repository (Duke University)

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    197463 research outputs found

    Data for Human-initiated behaviorally-mediated indirect interactions reduce bold behaviors and decrease predation rates in new protected areas

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    Data file for predation rate experiments conducted in Monterey Bay National Marine Sancturary in 2015

    Rates of chromosome loss

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    Rates of spontaneous chromosome loss were determined using biologically independent cultures

    BehnBaxter_LCR_2012-2014_FishCatch

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    Log of total fish catch from Little Colorado River including date, species, gear type, length, and weight. Dates span 2012-2014

    Data from: Variations of thermophysical properties and heat transfer performance of nanoparticle-enhanced ionic liquids

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    The ionic liquid 1-ethyl-3-methylimidazolium acetate ([EMIm]Ac) was investigated as a promising absorbent for absorption refrigeration. To improve the thermal conductivity of pure [EMIm]Ac, ionic-liquid-based nanofluids (ionanofluids) were prepared by adding graphene nanoplatelets. The thermal stability of the ionic liquid and ionanofluids was analysed. The variations of the thermal conductivity, viscosity and specific heat capacity resulting from the addition of the graphene nanoplatelets were then measured over a wide range of temperatures and mass fractions. The measured data were fitted with appropriate equations and compared with the corresponding classical models. The results revealed that the ionic liquid and ionanofluids were thermally stable over the measurement range. The thermal conductivity greatly increased with increasing mass fraction, while only slightly changed with increasing temperature. A maximum enhancement in thermal conductivity of 43.2% was observed at a temperature of 373.15 K for the ionanofluid with a mass fraction of 5%. The numerical results revealed that the dispersion of the graphene nanoplatelets in the pure ionic liquid effectively improved the local heat transfer coefficient by up to 28.6%

    Hybrid_Trait_Data

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    Field-based trait dat

    Raw data all plots 1952-2017

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    Contains raw information on trees >10 cm DBH for each plot (i.e DYP 9) including Tree ID, tree species, measurement year, diameter at breast height (1.3m), calculated basal area, DBH size class, X and Y coordinates within plots (40m x 100m)

    Data from: Mate choice vs mate preference: inferences about color-assortative mating differ between field and lab assays of poison frog behavior

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    Co-divergence of mating traits and mate preferences can lead to behavioral isolation among lineages in early stages of speciation. However, mate preferences only limit gene flow when expressed as mate choice, and numerous factors might be more important than preferences in nature. In the extremely color polytypic strawberry poison frog (Oophaga pumilio), female mate preferences have co-diverged with color in most allopatric populations tested. Whether these lab-assayed preferences predict mating (gene flow) in the wild remains unclear. We observed courting pairs in a natural contact zone between red and blue lineages until oviposition or courtship termination. We found color-assortative mating in a disturbed habitat with high population density, but not in a secondary forest with lower density. Our results suggest color-assortative O. pumilio mate choice in the wild, but also mating patterns that do not match those predicted by lab-assayed preferences

    ReadMe File describing all scripts and datasets

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    This text file provides a description and some metadata for each of the datasets and analysis scripts associated with the paper: Experiments reveal limited top-down control of key herbivores in Southern California kelp forests by Dunn & Hovel in Ecolog

    README_Waraniak_18S_Metabarcoding

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    README file describing the contents of the other data files and R script in this Dryad package

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