Understanding the effects of intensive agricultural land use activities on water resources is essential for natural resource management and environmental improvement. In this paper, multi-scale nested watersheds were delineated and the relationships between two representative water quality indexes and agricultural land use intensity were assessed and quantified for the year 2000 using multi-sc...

In Nigeria irrigated agriculture is an important tool for economic growth, food security, and poverty reduction during dry periods of rain-fed agriculture. The concentration and composition of dissolved constituents in water determines its quality for irrigation use. Water quality studies strongly suggest that agriculture is a leading source of water quality problems, due to pesticides and othe...

Several factors influencing rural-poverty in sub-Saharan-Africa, for all the factors, agricultural-land access/management and “culture of poverty” are quite dominant literature. This study examines socio-cultural/economic poverty establishes linkages heterogeneity land-use systems. Farm-level cost–route surveys cross-sectional national-data 800 respondents were used analysis. Data analyzed by d...

Before the economic reform, or “Doi moi”, the north-western uplands of Vietnam, which are characterized by a complicated terrain and a high cultural diversity, were affected by high illiteracy rates, severe environmental degradation, and poor infrastructural facilities. The livelihoods of the rural upland communities were maintained through a combination of hillside swidden agriculture with low...

Agricultural households use assets not only for production as a source of income generation but also for protecting consumption from negative economic shocks. We show a model of household dynamic decisions on investment in agricultural productive assets under credit constraints and non-convex production technology. We test and estimate the model with data from Kagera, Tanzania in order to show ...

We present water quality data from 58 coastal wetlands, sampled as part of a larger effort investigating effects of nutrient enrichment and habitat disruption in the Laurentian Great Lakes. Our sampling design selected sites from across a gradient of agricultural intensity within combinations of biogeographic ecoprovince and wetland hydromorphic type and captured a large range in water quality....