NDLI: At the margins: agriculture, subsidies and the shifting fate of North America’s native grassland

Content Provider	Springer Nature Link
Author	Sylvester, K. M. Gutmann, M. P. Brown, D. G.
Copyright Year	2015
Abstract	We examined patterns of shifting cropland cultivation in the US Great Plains from the dust bowl to the beginning of the twenty-first century, by comparing land-cover data from 400 sample sites across the region from the 1930s, 1950s, 1970s, 1990s and 2000s. The small area land-cover data were nested within 50 target counties across the region. To understand the use of marginal land for cultivation since the Great Depression, we argue, requires consideration of the long term dynamics of demography, technology and policy. We draw on these historical dynamics, and their interactions with programs aimed at reducing environmental impacts of agriculture, to tell the story of how and when marginal lands have been brought into use. In a multilevel panel design, macro- and micro-level covariates were used to predict levels of encroachment on marginal soils. We conclude that land retirement programs (like the Conservation Reserve Program) have had a generally stabilizing effect on the micro-level patterns of land use in recent decades, but that increased levels of encroachment on marginal soils and native grassland remain a problem in areas with higher or increasing population densities.
Starting Page	362
Ending Page	390
Page Count	29
File Format	PDF
ISSN	01990039
Journal	Population and Environment
Volume Number	37
Issue Number	3
e-ISSN	15737810
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-07-30
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Native grassland Marginal land Conservation policy Aerial photography Soil quality Population density Multilevel modeling Demography Environment Population Economics Public Health Sociology
Content Type	Text
Resource Type	Article
Subject	Demography Environmental Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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