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Showing items 13987 through 13995 of 73598.
Most genetic gains in U.S. maize (Zea mays L.) breeding come from pedigree breeding compared to more predictable backcrossing strategies. Historically, breeding access to proprietary maize germplasm was limited by trade secrets and heterotic group assignation.
The global land community has accepted that individual land titling on its own cannot deliver security of tenure in a complete or timely fashion, and that a continuum of land rights approach needs to be used.
The importance of the landscape as a tourism asset is well known, and the significance of perceptions of landscape is increasingly being recognized in policy and planning, in Europe thanks largely to the implementation of the European Landscape Convention.
Protected Areas (PAs) form a core component of efforts to conserve biodiversity, but are designated for a variety of reasons. We assessed the effectiveness of PAs in covering the ranges of 157 globally threatened terrestrial bird species in mainland Africa and Madagascar.
This study was carried out to determine the impacts of climate change on aridity and land cover in Turkey. Data for future (2070s) climate change, according to present conditions (1990s), were estimated from the prediction results of a regional climate model (RCM).
Water scarcity and land degradation are emerging threats to global food production. The dry land regions of world are affected by climate change to a greater extent and facing food insecurity.
Willingness to pay (WTP) estimation typically involves some strategy for mapping nondichotomous contingent valuation (CV) responses onto a dichotomous yes/no dependentvariable.
The development of the land markets for selected European Countries (B, DK, D-W, F, NL) and the effects of agricultural policy reforms on land prices are analysed in "Part I - Land Markets at the Country Level" of this article.
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