Pdf evolution of the flow of drainage waters in the oued righ. Soil characteristics and plant distribution in saline wetlands of oued righ, northeastern algeria. Saline wetlands are rare ecosystems in saharan areas, which are important for conservation of many endemic and rare plant species. The channel of the oued righ valley plays an important role in draining the drainage waters of the palm groves of 47 oases. Among families, 33 families belong to dicotyledons of 79 genera and 115 species, while the 38 species of 26 genera belong to 4 families of monocotyledons and 1 family of gymnosperms with 1 genus and 1 species. A valley, gully, or streambed in northern africa and southwest asia that remains dry except during the rainy. Ghars in oued righ, zibans in algeria and even in tunisia, which is presently free of the disease, but has 70 corresponding author. More than 250,000 words that arent in our free dictionary. This pioneering work is the first to document the aquatic avifauna community of the wadi djedi in the ziban region in southeast of algeria. Procedia apa bibtex chicago endnote harvard json mla ris xml iso 690 pdf downloads 707 references. Hydrochemistry and geothermometry of an albian aquifer. Evolution of the flow of drainage waters in the oued righ canal. You must there are over 200,000 words in our free online dictionary, but you are looking for one thats only in the merriamwebster unabridged dictionary start your free trial today and get unlimited access to americas largest dictionary, with.
This page was last edited on 11 november 20, at 07. Groundwater resources in the oued righ valley are represented like the parts of the eastern basin of the algerian sahara, superposed by two major aquifers. Just use our lookup by address feature at the top of the page or click on the our interactive map to access your needed zip code. Characteristics of sand of the oueds in the region of oued. Desertification and risk analysis using high and medium. Wageningen ur centre for development innovation cdi works on processes of innovation and change in the areas of secure.
Esther koopmanschap melike hemmami chris klok project. Pdf the channel of the oued righ valley plays an important role in draining the drainage waters of the palm groves. Colorimetric reagents used in identification of some primary and secondary metabolites. Diagnosis of phytopathogenic fungi of lycopersicon. Check list of waterbirds at wadi djedi in ziban oasisalgeria. See all formats and editions hide other formats and editions. In abundance use of chemical products we would like to investigate and produce molecules that can be used in biological control. Several phytopatogenic fungi attack tomato lycopersicon esculentum plants in all the parts of this culture. It includes a number of oases, the principal centre being touggourt. Locate the correct postal codes for eloued in the list above by choosing the destination city or town you are sending to. Diversity of halophyte desert vegetation of the different saline habitats in the valley of oued righ, low sahara basin, algeria. If the circumstances surrounding this file have changed in a notable manner, you may renominate this file or ask for it to be undeleted files uploaded by ouedrigh talk contribs. This disambiguation page lists articles associated with the title righ.
The water requirements of the oued righ region are provided by groundwater resources contained in the two aquifers. Soil characteristics and plant distribution in saline. We present results obtained through the monthly counts of waterbirds conducted from september 20 to september 2016. A floristic survey of cholistan desert was carried out during 20092011 and total of 38 families, 106 genera and 154 species were documented from the area. Abstractthe channel of the oued righ valley plays an important role in draining the drainage waters of the palm groves of 47 oases. This article evaluates and offers a simple relationship calculation of flow of drainage water carried by the channel of oued righ. As most roofs are domed, it is known as the city of a. Europages is a european b2b platform available in 26 linguistic versions. Oued synonyms, oued pronunciation, oued translation, english dictionary definition of oued. Evolution of the flow of drainage waters in the oued righ. Characteristics of sand of the oueds in the region of oued righ oued nsa, oued mzab and oued rtem in the making of concrete in the arid regions. Floristic composition of the plants of the cholistan. Since the eighties, water surpluses caused by discharges of urban wastewater and drainage water, caused the rise of the water table, causing an imbalance in the valley until sterilization of agricultural soils surrounding palm.
Status, habitat use, and behaviour of wintering greater. This study was carried to study the fungal diseases of tomato plants in the region of oued righ. Lakhdari w, dehliz a, acheuk f, mlik r, hammi h, doumandjimitiche b. Primary and secondary chemical reagents colorimetric reactions. Oujda, 21, 22 et 23 juin 2011 environnement et developpement durable. With 3 million listed companies, mainly manufacturers, wholesalers, distributors and service providers, every month europages attracts more than 2 million decisionmakers searching for business partners, suppliers or service providers in europe and worldwide. Files are available under licenses specified on their description page.
Degradation of the river channel righ by sewage and. The complexity of the phenomenon of desertification, which involves extended surfaces in all continents, is one of the most alarming processes of the. It is characterized by a hot arid climate with intense dryness and very high evaporation rates. The oued righ also spelled oued rir, oued rirh, wadi righ is a region of the northeastern algerian sahara. About 150 km along the ancient river channel righ evacuates water leaching to chott melghir 50 oasis.
Hydrochemistry and geothermometry of an albian aquifer from oued. This work becomes with methodological rigor a part of the innovative proposals for the characterization of the areas at risk of desertification. The anatomical structure of this species was studied using fresh materials roots, stems and leaves. You can read the deletion policy or ask a question at the village pump. The area of oued righ is one of the important geothermal areas in northeastern algerian sahara. Aspects of ecological anatomy of traganum nudatum del. In this study, we investigated five saline wetland sites of the oued righ region, located in the northeastern algeria, to determine the environmental factors controlling the composition and distribution of plant communities. Authors agree that this article remain permanently open access under the terms of the creative commons attribution license 4. These various climatic characteristics are reflected on the hydrography of the study area. Energy procedia international conference on technologies. If an internal link led you here, you may wish to change the link to point directly to the intended article.
The water requirements of the oued righ region are provided by groundwater resources contained in the two. Ethnobotanical study of some plants used in traditional medicine in the region of oued righ algerian sahara. Ouedrigh berber aka temacine tamazight, righ, tougourt classification. Our study has shown that the waters of the collecting duct are of. Pdf diversity of halophyte desert vegetation of the. This study focuses on the anatomical strategies developed by the traganum nudatum del.