Results 81 to 90 of about 443,199 (260)

Influence of landscape pattern changes on water conservation capacity: A case study in an arid/semiarid region of China

open access: yesEcological Indicators
With the accelerating changes of land use/cover caused by natural and human factors, landscape pattern has undergone significant changes. Given the scarcity of water resources and the degradation of ecological functions in arid and semi-arid regions of ...
Changxue Wu   +4 more
doaj   +1 more source

Reducing soil degradation to increase resilience to climate change and strengthen livelihoods in Ethiopia. [PDF]

open access: yes, 2019
Soil degradation is a major problem in Ethiopia. Depletion of soil organic matter is a cause of low agricultural productivity, as soils become less fertile and less resilient to extreme weather events, which are expected to increase with climate change ...
International Water Management Institute
core  

INCREASED RESERVOIR BENEFITS: THE CONTRIBUTION OF SOIL CONSERVATION PROGRAMS [PDF]

open access: yes
The objective of this research is to value soil conservation's impact on reservoirs. Using a model based on replacement cost, we estimate the benefits gained by marginal decreases in soil erosion for more than 75,000 reservoirs across the contiguous ...
Hansen, LeRoy T., Hellerstein, Daniel
core   +1 more source

Threats to soil quality in Denmark - A review of existing knowledge in the context of the EU Soil Thematic Strategy [PDF]

open access: yes, 2009
The EU Commission is preparing a proposal for a Soil Framework Directive with the purpose of protecting the soil resources in Europe. The proposal identifies six major threats to the sustained quality of soils in Europe. This report addresses the threats
Christensen, B.T.   +2 more
core  

THE STRUCTURE OF CITIZEN PREFERENCES FOR GOVERNMENT SOIL EROSION CONTROL PROGRAMS [PDF]

open access: yes
The 1990 Farm Bill contains several measures concerning soil erosion caused by U.S. farmers. Data from a nationwide survey of people concerning their attitudes toward agriculture were used to examine the structure of respondents' preferences for ...
Elnagheeb, Abdelmoneim H.   +1 more
core   +1 more source

Development of an improved method for soil and water conservation planning at catchment scale in the East African Higlands : Progress Report 1 jan - 30 sep 2002 [PDF]

open access: yes
The overall goal of the EROAHI Project is to improve the Catchment Approach, a methodology for participatory soil conservation planning currently applied in the East African Highlands Eco-region.
Verzandvoort, S.J.E.
core   +1 more source

Microbial and enzymatic C:N:P stoichiometry are affected by soil C:N in the forest ecosystems in southwestern China

open access: yesGeoderma
Microbial and enzymatic stoichiometry have been widely used to reflect microbial nutrient limitations. However, the dominant drivers of microbial and enzymatic C:N:P ratios are not well known, which hinders our understanding of whether microbial and ...
Shengzhao Wei   +6 more
doaj   +1 more source

Prediction of aboveground grassland biomass on the Loess Plateau, China, using a random forest algorithm

open access: yesScientific Reports, 2017
Grasslands are an important component of terrestrial ecosystems that play a crucial role in the carbon cycle and climate change. In this study, we collected aboveground biomass (AGB) data from 223 grassland quadrats distributed across the Loess Plateau ...
Yinyin Wang   +6 more
doaj   +1 more source

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