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semi-arid area

IMPACT OF DIRECT SEEDING ON SOIL WATER RETENTION IN SEMI-ARID AREA (REGION HIGHLANDS OF WESTERN ALGERIA)

IMPACT OF DIRECT SEEDING ON SOIL WATER RETENTION IN SEMI-ARID AREA (REGION HIGHLANDS OF WESTERN ALGERIA)

... this semi-arid area, the results for both conventional working methods and direct seeding for water reserve helpful when filling are respectively 13% and ...

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Irrigated farm management in semi-arid area East Algeria

Irrigated farm management in semi-arid area East Algeria

... Previous studies of management practices (Kropff, et al., 2001; Kara et al., 2007) in Setif heightens cereal farming in eastern Algeria’s semi-arid area, highlighted the various climatic, structural ...

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MORPHOLOGICAL CHARACTERIZATION OF THYMUS ALGERIENSIS Boiss. & Reut. (LAMIACEAE) FROM A SEMI ARID AREA FROM ALGERIA

MORPHOLOGICAL CHARACTERIZATION OF THYMUS ALGERIENSIS Boiss. & Reut. (LAMIACEAE) FROM A SEMI ARID AREA FROM ALGERIA

... The purpose of the present work is to study the morphological variation among populations of T. algeriensis by the description of the macro and micromorphological variation in leaf samples collected in ...

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Mineralization mechanisms of groundwater in a semi-arid area in Algeria: statistical and hydrogeochemical approaches

Mineralization mechanisms of groundwater in a semi-arid area in Algeria: statistical and hydrogeochemical approaches

... PCA was used to explain the relationship between numerous variables and establish the factors governing groundwater chemistry in the study area ( Figure 3(a) and 3(b) ). The first three components extracted have ...

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Practice report of a family doctor in vocational training in a Brazilian Alagoas semi-arid area.

Practice report of a family doctor in vocational training in a Brazilian Alagoas semi-arid area.

... infrastructure of Primary Healthcare Units; iii) allocation of Brazilian and foreign doctors [1]. The first author, trained in Universidad Franz Tamayo, Cochabamba, Bolivia, after working for several years as a dentist ...

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Characterisation of fissured aquifers in the semi-arid region of the mid-Atlas plateau (Oulmès, Morocco)

Characterisation of fissured aquifers in the semi-arid region of the mid-Atlas plateau (Oulmès, Morocco)

... Keywords : Groundwater, Characterisation, Recharge, Mapping, Oulmès, Morocco Introduction Water supply in arid or semi-arid regions is highly dependent on groundwater availability. The Oulmès plateau ...

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Do Agrometeorological Data Improve Optical Satellite-based Estimations of Herbaceous Yield in Sahelian Semi-Arid Ecosystems?

Do Agrometeorological Data Improve Optical Satellite-based Estimations of Herbaceous Yield in Sahelian Semi-Arid Ecosystems?

... 4.4. Comparison of FAPAR and Rainfall-Based Onset/End Metrics The onset/end of the rainy season marks a vital time for livestock managers, pastoralists and stakeholders in natural resource management in West African ...

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Daily Rainfall-runoff Modelling By Neural Networks In Semi-arid Zone: Case Of Wadi Ouahrane’s Basin

Daily Rainfall-runoff Modelling By Neural Networks In Semi-arid Zone: Case Of Wadi Ouahrane’s Basin

... In this field, works of several authors show that these models inspired of biological neurons functioning, are very performing for simulation and flows forecasting on the watersheds. Several studies conducted in America ...

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Reliability of a conceptual hydrological model in a semi-arid Andean catchment facing water-use changes

Reliability of a conceptual hydrological model in a semi-arid Andean catchment facing water-use changes

... Abstract. This paper explores the reliability of low-flow simulations by conceptual models in a semi-arid, Andean catchment (30 ◦ S) facing climate variability and water-use changes. Depending on water ...

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The potential role of sorghum in enhancing food security in semi-arid eastern Kenya: A review

The potential role of sorghum in enhancing food security in semi-arid eastern Kenya: A review

... Successive droughts in Kenya compounded with other socio-economic constraints have led to persistently unstable and declining agricultural productivity in semi-arid eastern Kenya. This has given rise to the ...

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Enhancing agroecosystem productivity with woody perennials in semi-arid West Africa. A meta-analysis

Enhancing agroecosystem productivity with woody perennials in semi-arid West Africa. A meta-analysis

... P. reticulatum leaf biomass applied as a mulch at 1.25 or 2.25 t DM ha −1 on a tropical ferruginous soil (Lixisol) in Burkina Faso increased sorghum grain yields by 14 and 28%, respectively, compared to a non-mulched ...

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Characterization of semi-arid Chadian sweet sorghum accessions as potential sources for sugar and ethanol production

Characterization of semi-arid Chadian sweet sorghum accessions as potential sources for sugar and ethanol production

... ing (95.5), plant height (94.9), number of internodes (94.5), internode length (90.2), panicle length (90.2), stalk diameter (83.9), dry stalk weight (82.1), and perultimate leaf width (81.0). The lowest heritability was ...

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IDENTIFICATION OF HYDROGEOCHEMICAL PROCESSES IN A NORTH EASTERN ENDOREIC BASIN UNDER SEMI-ARID CONDITIONS (ALGERIA)

IDENTIFICATION OF HYDROGEOCHEMICAL PROCESSES IN A NORTH EASTERN ENDOREIC BASIN UNDER SEMI-ARID CONDITIONS (ALGERIA)

... This deterioration in the groundwater quality of the Tarf basin has been the subject of several local studies [4-5]. Studies on the hydrochemical behavior of water in arid and semi-arid zones have ...

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Characterization of recharge mechanisms in a Precambrian basement aquifer in semi-arid south-west Niger

Characterization of recharge mechanisms in a Precambrian basement aquifer in semi-arid south-west Niger

... water isotopes δ18O, δ2H analysis suggests two main groundwater recharge mechanisms: i.. direct recharge with nearly no post-rainfall fractionation signature and ii indirect recharge.[r] ...

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Drought rapidly diminishes the large net CO2 uptake in 2011 over semi-arid Australia

Drought rapidly diminishes the large net CO2 uptake in 2011 over semi-arid Australia

... Australia is situated in a region of extreme climate variability, creating several-fold larger fluctuations in pre- cipitation and terrestrial primary productivity than encountered in all other continents (Supplementary  ...

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Functional similarity and dissimilarity facilitate alien plant invasiveness along biotic and abiotic gradients in an arid protected area

Functional similarity and dissimilarity facilitate alien plant invasiveness along biotic and abiotic gradients in an arid protected area

... A possible explanation for the functional diver- gence among alien and native plants in more resource rich environments is likely a divergence in resource- use strategies caused by differentiation in resource ...

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Study of rainfall intensities for micro-scales in a semi-arid zone (Tunis) by FIF model

Study of rainfall intensities for micro-scales in a semi-arid zone (Tunis) by FIF model

... Study of rainfall intensities for micro-scales in a semi-arid zone (Tunis) by FIF model 4 (Collection System real-time hydrological measurement and flood warning for Tunisians wadis). This system was ...

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Breed effect and non-genetic factors affecting growth performance of sheep in a semi-arid region of Nigeria

Breed effect and non-genetic factors affecting growth performance of sheep in a semi-arid region of Nigeria

... ABSTRACT Objective: This study was conducted to investigate the effects of breed and some non-genetic factors on growth performance of Balami and Uda sheep in a semi-arid region of Nigeria. Methodology and ...

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Evaluation of the GPM-IMERG Precipitation Product for Flood Modeling in a Semi-Arid Mountainous Basin in Morocco

Evaluation of the GPM-IMERG Precipitation Product for Flood Modeling in a Semi-Arid Mountainous Basin in Morocco

... We were able to validate 13 out of 17 events simulated with rain gauge data (Figure 2 ) and 15 events for satellite precipitation data (Figure 4 ). It should be noted that this validation experiment combines the ...

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Intra-annual variability of the greenhouse gas balance of a sahelian rangeland ecosystem in semi-arid West A

Intra-annual variability of the greenhouse gas balance of a sahelian rangeland ecosystem in semi-arid West A

... Monthly monitoring of all the components of the GHG balance highlighted strong seasonal variability in the balance. This is rarely found in the estimations of annual GHG balances usually implemented on a production ...

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