Study of quality of water pond sebkha oran in period of lowwater mark using physicchemical parameters with chadhas diagram and larson index. After the publication of the geomorphological and the geological maps of the oran s great sebkha basin moussa, 2006. Fiftyfive water samples were selected from different point in oran sebkha basin for sampling purpose in july 2011. Rajaa chamekha, franck denielb, christelle donotb, jeanluc. This network is restricted compared with that constituted originally 93 points for various reasons, namely the drying up of the oued and some sources, and the poor state or the. World algeria wahran butlilis world algeria oran salt lake, sebkha sebkhat sebjet chott nearby cities. Integration of multisource data for the realization of a. Elle c onstitue une depression fermee, limitee a u nord par le. He is an out spoken critic of the colonial rule, christianity and also the postcolonial abuses of kenyan authorities. Fillali2 1 centre national des techniques spatiales cnts. Isolation, identification and enzymatic activity of.
But they didnt know the effects of this water on the crops without. Moussa, 2011, it was necessary to write a note, highlighting the phytological aspects of the geographical entity. Sebkha doran in the west, the constantine chotts on the plateau just south of this. Hapit nalukop sa kaumahan ang palibot sa sebkha d oran. Located in the central coastal oran watershed is bounded by two highlights. The grande sebkha d oran, which occupies the centre of a sedimentary water basin from the miocene, is a large area of aeolian erosion. This salted region is located at the north of algeria fig. The great watershed sebkha oran covers an area of 1878 km. The location of this site enables us to assess the question of the role of marine resources for. Sebkha article about sebkha by the free dictionary. Pdf after the publication of the geomorphological and the geological maps of the orans great sebkha basin moussa, 2006. So this work consists to map the main plants groups of this basin.
The sebkha of oran northwestern algeria, which is 56. Despite the ranking of this sebkha among the wetlands of. Consequently, some studies were conducted, especially to characterize the real impact of an airport on these soils. Isolation, identification and enzymatic activity of halotolerant and. The results of this erosion, which reached its peak in the grimeldien accumulated around the sebkha, formed clay ridges. In the department of agboville, farmers are interested in the using of groundwater to improve the performance of their crops. Important bird areas in africa and associated islands algeria including arthrophytum schmittianum on the sandy southern slopes fringing the sahara. Method the seeds were manually separated from inflorescences and sorted using a binocular microscope as their small size. Chotts et sebkhas university of biskra theses repository. Impact of colonialism in ngugi wa thiongos the river. The key recommendation in relation to the development of agriculture in the north of the oran great sebkha, is the concentration of farming activities in the alluvial soils that have good agrological quality land where the slope is delivering an. This file is licensed under the creative commons attributionshare alike 3. Experimental investigation of mixtures of bentonite and.
Symbiotic characterization and diversity of rhizobia. To study the groundwater quality in the dry season, a sampling grid was chosen to. Physicochemical parameters such as ph and electric conductivity were measured in situ. Does the writer of hebrews command his hearers to strive for peace with everyone everywhere, or is he. Isolation, identification and enzymatic activity of halotolerant. Pdf the aeropalynology of essenia airport, oran, northwest algeria.
Geochemistry exploration environment analysis of waters. Survey area seven of these populations were collected from different regions near and far from oran great sebkha. The supply of irrigation water in the watershed of the great sebkha oran is. Characterization of groundwater quality in oran sebkha basin. An assessment of the physicochemical parameters of oran. Here, it is about the pouring watershed sebkha of oran, a region characterized by a dry half climate where raises the problem of the salinity and an overexploitation of subterranean waters. I couldnt open my fathers suitcase because i feared this.
Doro pdf writer installs a virtual printer on your system with which you. Integration of multisource data for the realization of a hydrogeological map case of study. Impact of colonialism in ngugi wa thiongos the river between 416 ngugi wa thiongo is one of the remarkable african novelists. Download the free pdf converter and create pdf files from any application with pdf creator.
His works remain relevant to presentdaykenya, illuminating many of the countries underlying. The characterization of the real problems of saline soils. For the purposes of the study of the geochemical characterization of the aquifer system, we have selected 55 water points pretty well distributed all around the lake of the great sebkha of oran. The gulfs of oran and arzew, in algeria, comprise rich marine ecosystems, a fertile. Oran s climate does show influences of a mediterranean climate. Sebkha salty water have less swell potential than those prepared with tap water. Oran is a major coastal city located in the northwest of algeria.
En oran ez eus choazh kudenn an dour, neus ket trawalch a zour eno, hag aliestre e vez holen ebarzh. After these deposits were taken and drained into the depression of sebkha whose current level is 80 m above the sea level. Study of quality of water pond sebkha oran in period of. Grande sebkha doran ramsar sites information service. An assessment of the physicochemical parameters of oran sebkha basin by boualla nabila, benziane ahmed and moussa kacem get pdf 2 mb. Mapping saline soils using hyperion hyperspectral images. Pdfcreator download for free, download pdf printer, pdf writer, pdf. Pdf writer for windows 10, gratis download windows. It occupies the southern part of the endorheic basin of the great oran sebkha.
Gc1pppg the great sebkha doran earthcache in algeria. After 15 min, decapsulated cysts orange color were rinsed. Geomorphology the great sebkha of oran occupies the center of a miocene pond, is a large area of wind erosion. Media in category sebkha d oran the following 2 files are in this category, out of 2 total. Only intact seeds and considered ripe were selected for counting. The main objective of this study is to determine the quality of groundwater to prevent the risk of soil alkalinization and salinization in the department of agboville. Pdf fiche descriptive ramsar des zones humides algeriennes dimportance internationale. Materials presented on this website, particularly maps and territorial information, are asis and asavailable based on available data and do not imply the expression of any opinion whatsoever on the part of the secretariat of the ramsar convention concerning the legal status of any country, territory, city or area, or of its authorities, or concerning the delimitation of its frontiers or. The key recommendation in relation to the development of agriculture in the north of the oran great sebkha, is the concentration of farming activities in the alluvial soils that have good. These soils have one or more adverse characters that can be developed in a modest way. During this work, we shall limit to give some geological information and hydro chemical of basis with interpretations which can be discussed.
The campaign started in sebkha of kelibia and hammam leghzaz where samples will be taken for five days and then analysed as part of the monitoring of the ecological situation and the prevention of threats and risks to the health of local people, said nabiha ben mbarek, head of the natural ecosystems department at the anpe. This research aimed at determining the origin of the chemical elements of groundwater from the oran sebkha basin. Comparison of genetic diversity among medicago ciliaris. Pdf a continuous study of atmospheric pollen in oran province, northwest algeria. Pdf contribution to the study of the vegetation of the orans great. Halophilic fungi from the great sebkha of oran in northwestern of algeria. Although the great sebkha of oran is considered an extreme environment due to its high salt content, no studies on its fungal community have. The plain of mleta is located in the south west of the oran city fig. The sahara desert covers the whole of interior algeria, but it takes many forms and elevations. Experimental investigation of mixtures of bentonite and dredged sediments from chorfa dam in algeria. The great sebkha of oran is a closed depression located in northwestern of algeria. Pdf quality evaluation of a new strain of artemia from sebkha ez.
Effectieve pdfbewerkingssoftware voor beginners en professionals. Fifty five 55 water samples were selected from different point in oran sebkha basin for sampling purpose in july 2011. Oran averages 326 mm in of precipitation annually, the bulk of which falls between november and may. Preliminary data on the exploitation of marine malacofauna. Dunay mga 155 ka tawo kada kilometro kwadrado sa palibot sa sebkha d oran medyo hilabihan populasyon. The problem of saline soils reserved from occupation at oran, north algeria remained relatively unexplored or little known until recent years. So far the project implementation generated great enthusiasm amongst the beneficiaries who applied the proposed aquaculture techniques.
Repartition geographique des lacs sales chotts et sebkhas en algerie. The basin is inserted between two mountains sets, the tessala mountain in the south. The zone is located in the central coastal oran basin and is bounded by. Sebkha of oran northwest algeria located in semi arid bioclimatic level with hot winters according to emberger climagramme 9. It applied the inverse geochemical modeling to derive the sources of variation in the hydrochemistry. Best of all, pdf creator is absolutely free for anyone to use. Oran great sebkha and the reference population ref pop. The great basin sebkha oran is located in the north west of algeria dominated by a semiarid to arid.
Growing populations and increasing industrialization causes increase in living standard, which result in decrease in the quality of water and may put stresses on natural waters by impairing both the quality of the water and the hydrological budget. Vincent jm 1970 a manual for the practical study of root nodule bacteria. Pdf study of quality of water pond sebkha oran in period. Contribution of the static and chemical study of waters. But i did not even want to be angry at my father for failing to take literature seriously enough my real fear, the crucial thing that i did not wish to know or discover, was the possibility that my father might be a good writer.1424 1418 1315 1167 150 558 976 1112 1131 764 798 1285 1588 802 169 12 1341 1492 1409 12 1506 659 184 241 998 651 640 1053 1463 224 910 620 120