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Showing items 27676 through 27684 of 73561.Strictly Protected Areas and riparian forests in Brazil are rarely large enough or connected enough to maintain viable populations of carnivores and animal movement over time, but these characteristics are fundamental for species conservation as they prevent the extinction of isolated animal popu
Declining agricultural productivity, land clearance and climate change are compounding the vulnerability of already marginal rural populations in West Africa.
в статье рассмотрены актуальные вопросы обоснования выбора эффективных технологий производства кормов
Carrying capacity estimates based on digestible protein (DP) and energy (DE) are useful in comparing effects of land management practices or the ability of different vegetation communities to support herbivores.
Remote sensing has been considered as an appropriate tool for temporal monitoring of some natural phenomena. Ardestan Region is prone to land degradation and masked by sand sheets, sand dunes, clay flats, desert pavement and different kinds of salt crust due to dry climate.
The agricultural sector is a small but significant contributor to the overall anthropogenic greenhouse gas (GHG) emission and a major contributor of N2O emission in the United States. Land management practices or systems that reduce GHG emission would aid in slowing climate change.
The paper considers the econometric modeling of technology adoption when crop choice is simultaneous. Bivariate probit is used to estimate a model of irrigation technology choice and land allocation using a unique field-level data set from California's Central Valley.
This paper presents some theoretical and technical conclusions on the contribution of Forest Ecosystem Services to the reduction of deforestation rates in highly vulnerable areas of the Costa Rican Central Mountain Range and to the regulation of watersheds, and the resulting increased profitabili
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