7 research outputs found

    Variable contributions, ROC curves and AUCs of the Maxent models for tsetse distribution.

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    <p>G. m. morsitans is presented on the top pannel and G. pallidipes at the bottom. nlst, night land surface temperature; avg, average; treecv, tree cover; pd, patch density; dlst, day land surface temperature; dem, digital elevation model.</p

    Ecological niche factor analysis (ENFA) of tsetse distribution in the Masoka area.

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    <p>First plans of the ENFA of <i>G</i>. <i>m</i>. <i>morsitans</i> is presented on the left panel and <i>G</i>. <i>pallidipes</i> on the right one. For each species, the light gray polygon shows the overall environmental conditions available in the study area whilst the dark gray one shows environmental conditions where each species were observed (representation of the realized niche). The small white circle corresponds to the barycenter of each species’ distribution. The first axis (marginality axis) measures the dimension in the ecological space in which the average conditions where the species lives differ from the global conditions with a large marginality value implying that the conditions where the species is found are “far” from the global environmental conditions. The second axis (specialization) measures the narrowness of the niche (ratio of the multidimensional variances of the available to occupied spaces). avg, average; pd, Patch density; NLST, Night Land Surface Temperature; DLST, Day Land Surface Temperature; DEM, Digital Elevation Model; EVI, Enhanced Vegetation Index; MIR, Mid-InfraRed; TWI, topographic wetness index.</p

    Land cover in Masoka area.

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    <p>Land cover units were discriminated based on a supervised classification of Spot imagery from November 2014.</p

    Presence probability model of tsetse in the Masoka area.

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    <p>G. m. morsitans is presented on the left pannel and G. pallidipes on the right. The white and green cells correspond to the probability of tsetse presence despite a sequence of zero catches.</p
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