Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 3 of 3 for “"agricultural conversion"”.
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Genetic structure of Pseudoroegneria spicata in the Northern Palouse Prairie and Channeled Scablands
… 1% of native Palouse Prairie is left, due to agricultural conversion, with remnants highly fragmented and isolated. P. spicata is also common in nearby Channeled Scabland habitats formed by flooding during the last glacial advance and characterized by relatively shallow soils. Previous studies …
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Intensive development of New Zealand’s indigenous grasslands: Rates of change, assessments of vulnerability and priorities for protection
… New Zealand in order to quantify past rates of conversion to agricultural land use and to develop vulnerability models to predict future conversion spatially and temporally. The study area was delineated using the median spectral reflectance of indigenous grasslands and included the largest …
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Causes of the decline in the loss of vegetated palustrine wetlands in the U.S. 1955 - 2009
… losses from the mid-1950s to the mid-1980s was agricultural conversion supported by federal agricultural policies, especially the Agricultural Conservation Program that provided significant direct and indirect support for wetland conversions. The rate of converting wetland to agriculture has …