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Protection Mutualisms and the Community: Geographic Variation in an Ant-Plant Symbiosis and the Consequences for Herbivores
Ant-plant mutualism Azteca context
2015/12/10
Protection mutualisms mediate trophic interactions in many systems, but their effects
on the surrounding community are rarely studied. Ant-plant symbioses are classic
examples of protection mutual...
Sources of Geographic Variation in Health Care: Evidence from Patient Migration
Health care spending regional variation Dartmouth Atlas
2015/7/17
We study the drivers of geographic variation in US health care utilization, using an empirical strategy that exploits migration of Medicare patients to separate the role of demand
and supply factors....
Entropy production by evapotranspiration and its geographic variation
hydrologic cycle evapotranspiration land surface entropy production principle of Maximum Entropy Production vegetation effects
2015/2/3
The hydrologic cycle is a system far from thermodynamic equilibrium that is characterized by its rate of entropy production in the climatological mean steady state. Over land, the hydrologic cycle is ...
Geographic variation in poststroke depression among veterans with acute stroke
geographic variation ICD-9 Medicare poststroke depression PSD detection
2014/11/26
This study compared patterns of poststroke depression (PSD) detection among veterans with acute stroke in eight U.S. geographic regions. Department of Veterans Affairs (VA)
medical and pharmacy data ...
Who cares? Geographic variation in unpaid caregiving in England and Wales: evidence from the 2001 Census
Geographic variation unpaid caregiving England and Wales the 2001 Census
2010/1/20
This article investigates the prevalence of unpaid caregiving by local authority district in England and Wales, using data from a new question on caregiving in the 2001 Census. It also examines geogra...