نتایج جستجو برای: climatic patterns

تعداد نتایج: 438951  

2016
Alex R. Gunderson D. Luke Mahler Manuel Leal

A functional analysis of the contribution of climatic niche divergence to adaptive 1 radiation 2 22 23. CC-BY-NC-ND 4.0 International license peer-reviewed) is the author/funder. It is made available under a The copyright holder for this preprint (which was not. Abstract 24 Analyses of evolutionary radiations have traditionally focused on traits related to 25 resource acquisition, habitat use, ...

2006
Christy M. McCain

Aim A global meta-analysis was used to elucidate a mechanistic understanding of elevational species richness patterns of bats by examining both regional and local climatic factors, spatial constraints, sampling and interpolation. Based on these results, I propose the first climatic model for elevational gradients in species richness, and test it using preliminary bat data for two previously une...

2002
Sherri K. Harms Dan Li Jitender S. Deogun Tsegaye Tadesse

This paper describes the application of data mining techniques in a Geo-spatial Decision Support System, which focuses on drought risk management. Association rule discovery is one of the widely used approaches in data mining. This paper highlights the rule discovery algorithms that we have developed and used for discovering useful patterns in ocean parameters and climatic indices to monitor dr...

2002
Dan Li Sherri Harms Jitender Deogun

This paper describes the application of data mining techniques in a National Drought Decision Support System, which focuses on drought risk management. Association rule discovery is one of the widely used approaches in data mining. This paper highlights the rule discovery algorithms that we have developed and used for discovering useful patterns in ocean parameters and climatic indices.

2017
Jielin Ge Zongqiang Xie

Understanding climatic influences on the proportion of evergreen versus deciduous broad-leaved tree species in forests is of crucial importance when predicting the impact of climate change on broad-leaved forests. Here, we quantified the geographical distribution of evergreen versus deciduous broad-leaved tree species in subtropical China. The Relative Importance Value index (RIV) was used to e...

2016
Nikolaos I. Stilianakis Vasileios Syrris Thomas Petroliagkis Peeter Pärt Sandra Gewehr Stella Kalaitzopoulou Spiros Mourelatos Agoritsa Baka Danai Pervanidou John Vontas Christos Hadjichristodoulou

Climate can affect the geographic and seasonal patterns of vector-borne disease incidence such as West Nile Virus (WNV) infections. We explore the association between climatic factors and the occurrence of West Nile fever (WNF) or West Nile neuro-invasive disease (WNND) in humans in Northern Greece over the years 2010-2014. Time series over a period of 30 years (1979-2008) of climatic data of a...

2011
María Luisa Ávila-Jiménez Stephen James Coulson

We aimed to describe the main Arctic biogeographical patterns of the Collembola, and analyze historical factors and current climatic regimes determining Arctic collembolan species distribution. Furthermore, we aimed to identify possible dispersal routes, colonization sources and glacial refugia for Arctic collembola. We implemented a Gaussian Mixture Clustering method on species distribution ra...

Abstract Introduction: Cutaneous leishmaniasis is recognized as one of the important neglected parasitic diseases worldwide. The present study aimed to determine the epidemiological patterns of cutaneous leishmaniasis in a period of ten years in Yazd province in Iran. Materials & Methods: This ecological study was performed on 5784 recorded cases within 2004-2013in health center...

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