Results 71 to 80 of about 6,789,625 (240)

Simulation of hydrological balance on experimental catchments Všeminka and Dřevnice in the extreme periods 1992 and 1997

open access: yesPlant, Soil and Environment, 2004
Hydrological research on the Všeminka and Dřevnice experimental catchments has been carried out for almost ten years. Earlier analyses on these catchments have provided many partial results in the assessment of land use on water regime and also some ...
P. Kovář, P. Cudlín, J. Šafář
doaj   +1 more source

Redistributive land reforms, agricultural productivity, and structural change: New cross‐national evidence

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Large‐scale land reforms constitute a substantial redistribution of wealth and reallocation of agricultural land, which is a major form of asset and production input in developing countries. While land redistribution (from the rich to the poor) remains a highly controversial issue, extensive evidence on its effect is limited.
Devashish Mitra   +3 more
wiley   +1 more source

How does the Kids SIPsmartER program impact the sugar‐sweetened beverage intake of students: An investigation beyond total treatment effect in randomized controlled trial

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract This study develops and empirically estimates a structural framework to decompose the causal pathways of multilevel behavioral interventions targeting adolescent health behaviors. We apply this framework to the Kids SIPsmartER (KSS) program, a 6‐month, school‐based intervention evaluated through a clustered randomized controlled trial in rural
Naveen Abedin   +5 more
wiley   +1 more source

Global patterns in vegetation accessible subsurface water storage emerge from spatially varying importance of individual drivers

open access: yesEnvironmental Research Letters
Vegetation roots play an essential role in regulating the hydrological cycle by removing water from the subsurface and releasing it to the atmosphere. However, the present understanding of the drivers of ecosystem-scale root development and their spatial
Fransje van Oorschot   +4 more
doaj   +1 more source

Performance Assessment of Five Water Balance Models for Runoff Simulation in the Gorganrood Watershed

open access: yesعلوم آب و خاک, 2022
Surface runoff is one of the most significant components of the water cycle, which increases soil erosion and sediment transportation in rivers and decreases the water quality of rivers.
F. Daechini   +3 more
doaj  

Lost in aggregation? On the importance of local food price data for food poverty estimates

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract This paper explores within‐country variations in food price dynamics and food poverty estimates by employing local market price data and national consumer price index (CPI) data. Our results show that national CPI data may be useful for approximating national trends but they fail to detect and identify spatial variations in local trends, which
Stephan Dietrich   +4 more
wiley   +1 more source

Human Interference Quantification and Representation in Hydrological Models—Introduction to the Special Collection on Quantifying Human Interferences in Hydrology

open access: yesWater Resources Research
This article introduces papers published in the special collection of Water Resources Research on quantifying human interferences (or interventions in general) in hydrology and embedding them within large‐scale hydrological models.
Ximing Cai
doaj   +1 more source

Climate change and perennial crop production: Evidence of yield impact and adaptation in California

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Perennial crops are economically important. They contribute to food security, providing essential nutrients that are often lacking in annual crops, and provide additional environmental benefits compared with annual crops. Despite their importance, empirical research on the impacts of climate change and adaptation on perennial crops remains ...
Yuanyuan Wen   +2 more
wiley   +1 more source

Food insecurity and unemployment among immigrants in the United States

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Immigrants can be more vulnerable to economic downturns and, during periods of economic hardship, more likely to experience food insecurity compared to natives. This study examines the differential effect of the unemployment rate on the probability of being food insecure among diverse groups of immigrant households relative to natives in the ...
Siwen Zhou   +3 more
wiley   +1 more source

Choice experiments on land managers' participation in environmental programs: A systematic review and meta‐analysis of estimate validity

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Discrete choice experiments are increasingly being used to estimate land managers' willingness to accept participation in incentive‐based environmental programs. This is a specific application of discrete choice experiments: the estimation of willingness to accept for a private good (program participation) where respondents have to make trade ...
Anastasio J. Villanueva   +2 more
wiley   +1 more source

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