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Robert J Hijmans

Explore the profile of Robert J Hijmans including associated specialties, affiliations and a list of published articles. Areas
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Articles 36
Citations 813
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Recent Articles
11.
Cedrez C, Chamberlin J, Guo Z, Hijmans R
PLoS One . 2020 Jan; 15(1):e0227764. PMID: 31935246
Low crop yields in Sub-Saharan Africa are associated with low fertilizer use. To better understand patterns of, and opportunities for, fertilizer use, location specific fertilizer price data may be relevant....
12.
Smith J, Ghosh A, Hijmans R
PLoS One . 2019 Dec; 14(12):e0225555. PMID: 31826001
Declines in agricultural biodiversity associated with modern farming practices may negatively affect the sustainability of agro-ecosystems, but formal knowledge of historical variation in spatio-temporal variation of agro-biodiversity is limited. We...
13.
Belkhiria J, Hijmans R, Boyce W, Crossley B, Martinez-Lopez B
PLoS One . 2018 Feb; 13(1):e0190824. PMID: 29385158
The coexistence of different types of poultry operations such as free range and backyard flocks, large commercial indoor farms and live bird markets, as well as the presence of many...
14.
Laborte A, Gutierrez M, Balanza J, Saito K, Zwart S, Boschetti M, et al.
Sci Data . 2017 May; 4:170074. PMID: 28556827
Knowing where, when, and how much rice is planted and harvested is crucial information for understanding the effects of policy, trade, and global and technological change on food security. We...
15.
Beal T, Massiot E, Arsenault J, Smith M, Hijmans R
PLoS One . 2017 Apr; 12(4):e0175554. PMID: 28399168
Understanding dietary patterns is vital to reducing the number of people experiencing hunger (about 795 million), micronutrient deficiencies (2 billion), and overweight or obesity (2.1 billion). We characterize global trends...
16.
Espe M, Hill J, Hijmans R, McKenzie K, Mutters R, Espino L, et al.
Glob Chang Biol . 2017 Apr; 23(10):4386-4395. PMID: 28391611
Climate change is predicted to shift temperature regimes in most agricultural areas with temperature changes expected to impact yields of most crops, including rice. These temperature-driven effects can be classified...
17.
Alkhamis M, Hijmans R, Al-Enezi A, Martinez-Lopez B, Perea A
Avian Dis . 2016 Jun; 60(1 Suppl):146-55. PMID: 27309050
Since 2005, H5N1 highly pathogenic avian influenza virus (HPAIV) has severely impacted the economy and public health in the Middle East (ME) with Egypt as the most affected country. Understanding...
18.
Brush S, Bellon M, Hijmans R, Orozco Ramirez Q, Perales H, van Etten J
Proc Natl Acad Sci U S A . 2014 Dec; 112(1):E1. PMID: 25548197
No abstract available.
19.
Raes N, Cannon C, Hijmans R, Piessens T, Saw L, van Welzen P, et al.
Proc Natl Acad Sci U S A . 2014 Nov; 111(47):16790-5. PMID: 25385612
The extent of Dipterocarp rainforests on the emergent Sundaland landmass in Southeast Asia during Quaternary glaciations remains a key question. A better understanding of the biogeographic history of Sundaland could...
20.
Kraft K, Brown C, Nabhan G, Luedeling E, Luna Ruiz J, dEeckenbrugge G, et al.
Proc Natl Acad Sci U S A . 2014 Apr; 111(17):6165-70. PMID: 24753581
The study of crop origins has traditionally involved identifying geographic areas of high morphological diversity, sampling populations of wild progenitor species, and the archaeological retrieval of macroremains. Recent investigations have...