نتایج جستجو برای: deserts

تعداد نتایج: 2047  

2013
Tamara Dubowitz Madhumita (Bonnie) Ghosh-Dastidar Elizabeth Steiner José J. Escarce Rebecca L. Collins

Recent debate about the role of food deserts in the United States (i.e., places that lack access to healthy foods) has prompted discussion on policies being enacted, including efforts that encourage the placement of full-service supermarkets into food deserts. Other initiatives to address obesogenic neighborhood features include land use zoning and parks renovations. Yet, there is little eviden...

2013
Jarishma K. Gokul Angel Valverde Marla Tuffin Stephen Craig Cary Don A. Cowan

The discovery of extensive and complex hypolithic communities in both cold and hot deserts has raised many questions regarding their ecology, biodiversity and relevance in terms of regional productivity. However, most hypolithic research has focused on the bacterial elements of the community. This study represents the first investigation of micro-eukaryotic communities in all three hypolith typ...

Journal: :The Contemporary Pacific 2001

Journal: :Proceedings of the National Academy of Sciences 2009

Journal: :Journal of Allergy and Clinical Immunology 2018

Journal: :Scientific American 1889

Journal: :The Geographical Journal 1910

Journal: :Bulletin of the American Geographical Society 1909

Journal: :Global Biogeochemical Cycles 2002

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