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Very high resolution interpolated climate surfaces for global land areas.
We developed interpolated climate surfaces for global land areas (excluding Antarctica) at a spatial resolution of 30 arc s (often referred to as 1-km spatial resolution). The climate elements… Expand
Novel methods improve prediction of species' distributions from occurrence data
Prediction of species' distributions is central to diverse applications in ecology, evolution and conservation science. There is increasing electronic access to vast sets of occurrence records in… Expand
WorldClim 2: new 1-km spatial resolution climate surfaces for global land areas
We created a new dataset of spatially interpolated monthly climate data for global land areas at a very high spatial resolution (approximately 1 km2). We included monthly temperature (minimum,… Expand
Computer tools for spatial analysis of plant genetic resources data: 1. DIVA-GIS
Computer tools for spatial analysis of plant genetic resources data: 1. DIVA-GIS The DIVA-GIS software allows analysis of genebank and herbarium databases to elucidate genetic, ecological and… Expand
Effects of sample size on the performance of species distribution models
A wide range of modelling algorithms is used by ecologists, conservation practitioners, and others to predict species ranges from point locality data. Unfortunately, the amount of data available is… Expand
Locating Pleistocene Refugia: Comparing Phylogeographic and Ecological Niche Model Predictions
- Eric Waltari, R. Hijmans, A. Peterson, Árpád S. Nyári, S. Perkins, R. Guralnick
- Medicine, Geography
- PloS one
- 11 July 2007
Ecological niche models (ENMs) provide a means of characterizing the spatial distribution of suitable conditions for species, and have recently been applied to the challenge of locating potential… Expand
The point-radius method for georeferencing locality descriptions and calculating associated uncertainty
- J. Wieczorek, Qinghua Guo, R. Hijmans
- Computer Science, Geography
- Int. J. Geogr. Inf. Sci.
- 1 December 2004
Natural history museums store millions of specimens of geological, biological, and cultural entities. Data related to these objects are in increasing demand for investigations of biodiversity and its… Expand
Cross-validation of species distribution models: removing spatial sorting bias and calibration with a null model.
- R. Hijmans
- Biology, Medicine
- 1 March 2012
Species distribution models are usually evaluated with cross-validation. In this procedure evaluation statistics are computed from model predictions for sites of presence and absence that were not… Expand
The ability of climate envelope models to predict the effect of climate change on species distributions
Climate envelope models (CEMs) have been used to predict the distribution of species under current, past, and future climatic conditions by inferring a species’ environmental requirements from… Expand