نتایج جستجو برای: species distribution modeling

تعداد نتایج: 1466207  

The present study aims to predict the potential geographic distribution and future expansion of invasive alien lionfish (Pterois miles) with ecological niche modelling along the Mediterranean Sea. The primary data consisted of occurrence points of P. miles in the Mediterranean and marine climatic data layers were collected from global databases. All the used models run 100% su...

  Today, modeling and determination of allometric equations of forest trees, especially Junipers trees, are very important for determination of biological status and carbon storage capacity of forest species. The aim of this study was to determine the most suitable allometric equations for estimating the biomass of leaf, sub branch, main branch, trunk, and biomass of total Juniperus excelsa tr...

Journal: :Frontiers of biogeography 2022

Spatially explicit biogeographic models are among the most used methods in conservation biogeography, with correlative species distribution (SDMs) being popular them. SDMs can identify potential for species’ and community range shifts under climate change, thus inspire, inform, guide complex adaptive management planning efforts such as collaborative transboundary frameworks. However, rarely dev...

Journal: :Ecology 2010
Tommaso Zillio Fangliang He

Accurate description of spatial distribution of species is essential for correctly modeling macroecological patterns and thus to infer mechanisms of species coexistence. The Poisson and negative binomial distribution (NBD) are most widely used to respectively model random and aggregated distributions of species in infinitely large areas. As a finite version of the Poisson distribution, the bino...

ژورنال: :مجله گیاهشناسی ایران 2009
علی اصغر معصومی

جنس بید با تأسیس بیدستان در محیط یکنواخت که از قسمت های مختلف ایران جمع آوری شده بودند به طور تجربی و تاکزونومیکی کاملاً مرور شده اند. در  این مطالعه تعداد کلی گونه های بید از 12 عدد به 31 گونه منفک و 7 دورگ افزایش یافته است. در این تحقیق s. issatissensis از  s. excelsa var. rodonii به عنوان گونه مستقل ابقاء شده است و گونه های s. dinsmorei  ،s. daviesii، s. persica و s. australior  از حالت متراد...

Journal: :caspian journal of environmental sciences 2006
muhammad akbar

a total of 3528 specimens of freshwater turtles belonging to two families viz., geoemydidae (brown river turtle, kachuga smithi; indian saw-backed turtle, k. tecta; brahminy rrive turtle, hardella thurgi; spotted pond turtle, geoclemys hamiltonii) and trionychidae (indian soft-shell turtle, aspederates gangeticus; peacock soft-shell turtle, a.hurum; narrow-headed soft-shell turtle, chitra indic...

Journal: :Alpine Entomology 2022

Coprophagous beetles are essential for fecal matter removal and thus considered key ecosystem services providers. Yet, our knowledge of these beetles’ distribution ecology remains very limited. Here, we used Species Distribution Models (SDM) to investigate the species-environment relationships (i.e. their niche) predict geographic coprophagous in Western Swiss Alps. We own sampled data existing...

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