ETTAYIB Bensaci
بن ساسي الطيب
tayeb.bensaci@univ-msila.dz
0552200670
- Departement of Nature and life sciences
- Faculty of Sciences
- Grade Prof
About Me
Research Domains
Environment Nature conservation Wetlands managment Water ressources managment
LocationMsila, Msila
Msila, ALGERIA
- 1983-12-08 00:00:00
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ETTAYIB Bensaci birthday
- 2023-11-15
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2023-11-15
Comprendre la Dynamique de la Réponse de la Végétation au Changement Climatique et Élucider les Causes de la Sécheresse dans le Bassin de Reghaia : Une Étude Complète Utilisant les Données MODIS.
L'étude se concentre sur la compréhension essentielle de l'impact des caractéristiques de la végétation sur le changement climatique et l'examen des causes de la sécheresse. En utilisant les données MODIS, l'étude analyse l'Indice de Végétation par Différence Normalisée (NDVI), l'Indice Standardisé de Précipitation-Évapotranspiration (SPEI) et divers facteurs climatiques pour évaluer la réponse de la végétation aux variations climatiques et aux occurrences de sécheresse dans le bassin de Reghaia de 2000 à 2022. En réalisant une analyse de corrélation sur différentes périodes, la recherche vise à révéler les facteurs sous-jacents de ces changements. Les résultats indiquent une diminution substantielle de l'indice de végétation, à la fois saisonnière et annuelle. L'analyse spatiale révèle qu'environ 60 % de la zone de végétation a connu des valeurs de NDVI inférieures à 0,35, avec la dégradation de la végétation la plus significative observée en été. L'étude établit une relation inverse entre le NDVI et les facteurs climatiques, avec un délai de 1 à 2 mois. La fréquence des événements de sécheresse a montré des augmentations variables, et la tendance du SPEI a été principalement négative, en particulier en été et en automne (-0,00539/an, R2 = 0,3401) et (-0,00231/an, R2 = 0,1217), respectivement. Notamment, en 2022, le SPEI a atteint ses niveaux les plus bas, coïncidant avec une forte diminution du NDVI. Ces dernières années, l'intensité des sécheresses s'est accrue, entraînant une baisse des niveaux d'eau. En fin de compte, l'étude met l'accent sur l'influence néfaste du changement climatique sur la prolifération des sécheresses et la santé de la végétation.
Citation
HADJER Keria , ETTAYIB Bensaci , ZINEB Bensisaid , asma Zoubiri , esra pulat, Ateşoğlu Ayhan, ,(2023-11-15), Comprendre la Dynamique de la Réponse de la Végétation au Changement Climatique et Élucider les Causes de la Sécheresse dans le Bassin de Reghaia : Une Étude Complète Utilisant les Données MODIS.,International sGIS DAY Algeria (4th edition) Annaba 15th Nov 2023,annaba
- 2023-11-10
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2023-11-10
ENVIRONMENTAL FACTORS AFFECTING NEST-SITE SELECTION OF BREEDING YELLOW-LEGGED GULLS IN CONTINENTAL SEMI-ARID AREA (ALGERIA)
As a colonial bird and the most abundant gull in the Mediterranean region, the yellow-legged gulls Larus michaehellis is considered as an ideal species to investigate effects of environmental factors change. The breeding ecology of the Yellow-legged Gull was followed for the first time in the continental semi-arid area in Algeria, during two consecutive years 2014 and 2015. The breeding site (Ain Zada dam) located in the Central Hauts Plateaux around 60 Km far from the Mediterranean Sea. Comparatively to previews observations, a rapid and massive growth of this marine species in the continental regions of the country was observed. In the aim to analyze factors affecting nest-site selection some environmental parameters influencing breeding parameters were surveyed such as nest density, vegetation density and height. Our results, showed the direct effect of water availability on the nest site selection and laying period in the semi-arid area. The mean nest density found in the study area (0.73 ± 0.15 nest/m2) was higher than those reported in other Mediterranean colonies. However, nest density associated with vegetation density, but negatively correlated with island size.
Citation
Yassine NOUIDJEM , ETTAYIB Bensaci , asma Zoubiri , saheb_tahar@yahoo.fr, Billal gasmi, lhadi mailbi, , (2023-11-10), ENVIRONMENTAL FACTORS AFFECTING NEST-SITE SELECTION OF BREEDING YELLOW-LEGGED GULLS IN CONTINENTAL SEMI-ARID AREA (ALGERIA), Analele Universităţii din Oradea, Fascicula Biologie, Vol:30, Issue:2, pages:173-179, University of Oradea Publishing House
- 2023-05-30
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2023-05-30
Monitoring the effect of droughts and extreme climate variables for various time periods on vegetation density in the Reghaia catchment, Algeria.
Understanding the characteristics of vegetation and its impact on climate change, as well as studying droughts and their causes, is crucial. Based on Modis data, NDVI use, SPEI indicators, and climatic factors, this paper verified the plant index's response to climatic changes and drought in the Reghaia basin during 2000-2022. Based on correlation analysis in different time periods, allows analysis of the causes of changes. Results showed a decline in the vegetation index in both seasonal and annual periods, with spatial distributions showing that about 60% of the vegetation area had NDVI values below 0.35, and the summer had a greater share of vegetation degradation. Ranges showed a negative relationship between NDVI and climatic factors with a delay of 1-2 months. The drought rate increased in varying proportions, and SPEI's trend was negative, especially in summer and autumn (-00539/a, R 2 = 0.3401), and (-00231/a, R 2 = 0.1217) respectively, and SPEI reached its lowest levels in 2022, the peak of NDVI fell with the SPEI index. In recent years, the drought has intensified and the water level has decreased. Finally, climate change has a negative impact on the increase in droughts and plants.
Citation
HADJER Keria , ETTAYIB Bensaci , asma Zoubiri , , (2023-05-30), Monitoring the effect of droughts and extreme climate variables for various time periods on vegetation density in the Reghaia catchment, Algeria., Natural Resources and Sustainable Development, Vol:13, Issue:1, pages:119-136, ERIH PLUS
- 2021
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2021
SURFACE WATER QUALITY ASSESSMENT IN SEMI-ARID REGION (EL HODNA WATERSHED, ALGERIA) BASED ON WATER QUALITY INDEX (WQI)
The present study was aimed to assess the surface water pollution sources in a semiarid region of Algeria by characterizing the physicochemical quality of the water of the main Wadis of the El Hodna watershed and determining the water quality index according to the uses of drinking water, irrigation, and aquatic life. This index is calculated in purpose to communicate information on the water quality for concerned citizens and policymakers. The calculated WQI values of the studied Wadis were higher than 100, which indicates that the waters of the El Hodna watershed are unfit for human consumption, irrigation, and aquatic life. The obtained results have shown that different types of pollution (industrial, domestic and agricultural) affect the waters of the El Hodna watershed, which lead to degrade the water quality of this aquatic ecosystem and consequently its biodiversity and public health.
Citation
Amel FERAHTIA , FATEH Mimeche , ETTAYIB Bensaci , MOHAMMED TAHAR HALILAT, , (2021), SURFACE WATER QUALITY ASSESSMENT IN SEMI-ARID REGION (EL HODNA WATERSHED, ALGERIA) BASED ON WATER QUALITY INDEX (WQI), STUDIA UBB CHEMIA, Vol:66, Issue:1, pages:127-142, STUDIA UNIVERSITATIS BABEŞ-BOLYAI
- 2021
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2021
DIVERSITY, ECOLOGY AND THERAPEUTIC PROPERTIES OF THE MEDICINAL PLANTS IN ZIBAN REGION (ALGERIA)
With the aim to assess the floristic population diversity, distribution and therapeutic properties in the Ziban region (Algeria), a survey was conducted along two successive study years in the main area. The objective of this study was to contribute to the knowledge and description of this plant groups with exhaustive inventory spontaneous vegetation. In order to study the dynamics of medicinal plants, we used a quantitative method based essentially on the classic technique of linear surveys and floristic inventory using the minimum area method. The results showed that the floristic procession of medicinal plants is represented by 21 species belonging to the 13 families, with a total of 31 species for the 08 study stations, which represents 68% of the total procession. The results obtained showed that the overall recovery is higher at the Ain Ben Noui station with 69%, even if the clumps of Aristida pungens, Atractylis serratuloides and Atriplexhalimus are isolated and scattered. The lowest overall coverage at the Oumache station is less than 21%, as it is an area with sandy soils. The species that contribute most to the recovery of mobile sand accumulations is Astragalus armatus with a rate of 76.19% at the Ain Ben Noui station. Frequency results allowed us to say that Atriplex halimus and Zizyphus lotus are the ubiquitous species (100% of the surveys). On the other hand, Nitraria retusa, Teucrium polium, Shismus barbatus, Sueda mollis and Halocnemum strobilaceum are the species present in only one survey.
Citation
Yassine NOUIDJEM , ETTAYIB Bensaci , Hadjab Ramzi, , (2021), DIVERSITY, ECOLOGY AND THERAPEUTIC PROPERTIES OF THE MEDICINAL PLANTS IN ZIBAN REGION (ALGERIA), Journal of Bioresource Management, Vol:8, Issue:1, pages:29-39, Wright State University
- 2021
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2021
Spatio-Temporal Variation Patterns of Bird Community in the Oasis Ecosystem of the North of Algerian Sahara
The spatial and temporal variation patterns of birds were investigated in the Oasis ecosystem of the North of Algeria Sahara. This contribution aimed to investigate the poorly studied bird fauna of Bousaâda oasis. The direct observation method was used for bird counts, adopted only during the breeding period. A total of 53 species of birds from 29 families and 16 orders were assessed in the different habitats of the Oasis (palm, fruit trees and, cultivated crops). The Passeriformes order was the most abundant represented by 35 species and 16 families. The relative abundance and species richness were recorded during our study period over different seasons and thought that whole surveyed stations represent all the oasis habitats. The Boussaâda oasis holds 18 resident-breeders which is a transit zone for a number of migratory birds i-e 14 and 10 species for summer and winter migrants respectively) and11 occasional visitor ones. These results confirmed the positive effects of stations and seasons on the richness and abundance of birds of Bousaâda oasis.
Citation
Yassine NOUIDJEM , ETTAYIB Bensaci , , (2021), Spatio-Temporal Variation Patterns of Bird Community in the Oasis Ecosystem of the North of Algerian Sahara, Journal of Bioresource Management, Vol:8, Issue:1, pages:11-21, Wright State University
- 2019
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2019
Effects of vegetation and water seasonal variation on habitat use of herons (Aves, Ardeidae) in Tonga Lake (North-East Algeria)
This study was aimed to determine the effect of some environmental factors such as water features and vegetation cover on the distribution and habitat use of herons over different seasons of the bird’s life (breeding, passage and wintering) in Tonga Lake (North East Algeria) from March 2017 to February 2018. We used remote sensing techniques to study the environmental factors variations, we adopted the normalized difference vegetation index (NDVI) to give an estimate of vegetation cover and we used the normalized difference water index (NDWI) to study the water features. In our study, we determine that the abundance and richness of herons species is largely influenced by the water features and vegetation cover. The seasonal variations in the amount of these environmental factors are known to affect the availability of various food items for herons. Eight species of herons were identified during the study period. Pearson’s Correlation Coefficient was used to examine the effect of NDVI and NDWI on the distribution of herons. The results showed that the NDVI was significantly positively correlated with richness and abundance of herons respectively (r=0.728, p<0.05) (r=0.651, p<0.05), whereas the NDWI was significantly negatively correlated with the richness and abundance of herons (r=-0.65, p<0.05) (r=-0.69, p<0.05) respectively.
Citation
Ahlam CHETTIBI , ETTAYIB Bensaci , FATEH Mimeche , soumia.djamai@univ-msila.dz, , (2019), Effects of vegetation and water seasonal variation on habitat use of herons (Aves, Ardeidae) in Tonga Lake (North-East Algeria), STUDIA UNIVERSITATIS BABEŞ-BOLYAI BIOLOGIA, Vol:64, Issue:2, pages:25-40, STUDIA UNIVERSITATIS BABEŞ -BOLYAI
- 2019
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2019
Diversity of macro-invertebrates in Lake Tonga (northeast Algeria)
The characteristic of polluo-tolerance and polluo-sensitivity allow to benthic aquatic macro-invertebrates the ability of being a good indicator for the health of the aquatic ecosystem. Our study presents an inventory of macro-invertebrates in the shores of Lake Tonga (wetland of international importance – Ramsar Site). The sampling was conducted between January to May 2017 and in three stations (Fad smar, Wadi El Hout and Fad El Alig). They were identified to family level. We provide a checklist and some observations on 20 families belonging to six orders. The taxonomic richness shows fluctuations between the studied stations, 13 families in Fad smar station, 14 in Wadi El Hout station and 17 families in Fad El Alig. Hemeptera, Coleoptera and Gasteropoda are dominant in the area. Factorial analysis of correspondence revealed significantly different macro-invertebrates assemblages among the stations of Lake Tonga.
Citation
FATEH Mimeche , ETTAYIB Bensaci , Soumia DJAMAI, Francisco J OLIVA-PATERNA, , (2019), Diversity of macro-invertebrates in Lake Tonga (northeast Algeria), BIHAREAN BIOLOGIST, Vol:13, Issue:1, pages:8-11, University of Oradea Publishing House
- 2019
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2019
Studies on the benthic macroinvertebrate community from K’sob Wadi (M’Sila, Algeria)
The benthic macroinvertebrate community was investigated in K’sob Wadi which is a semi-permanent stream that flows into the Chott Hodna where three stations were chosen. The sampling was conducted between February and May 2016. The species were determined and the ecological indices were calculated (abundance, diversity and equitability ). We observed similarity of the community structure between the three sample sites due to the constant type of habitats and the water depth.
Citation
FATEH Mimeche , Yassine NOUIDJEM , ETTAYIB Bensaci , Soumai Djamai, Radhoune Alouani, ,(2019), Studies on the benthic macroinvertebrate community from K’sob Wadi (M’Sila, Algeria),International Biodiverstiy & Ecology Sciences Symposium Proceeding (Bioeco2019),Turkey
- 2019
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2019
Diversity and distribution pattern of waterbirds in wetlands of Algerian steppe region
The main aim of our study is to assess the diversity and abundance waterbirds through wetland ecosystems located in Algerian steppe region. a survey was conducted along four successive study years in the main sites. This monitoring allowed assessing 52 species, representing 16 families. Anatidae are the most abundant and represented by 11 species. Boughzoul´s reservoir is the high richness wetlands, followed by Chott El Hodna and K’sob reservoir. However, Dayet El Kerfa is the preferred wetland for breeding species. Winter migrant, resident , and migrant species are the dominated status with 43 %, 28 % and 17 % respectively. While these statuses varied between sites. Overall, the analyze phonological status of assessed species display the key role played by these wetlands as wintering grounds, a stopover during migration journeys and breeding sites for several waterbirds species. The presence of vulnerable species (Marmaronetta angustirostris), and three near threatened other species (Aythya nyroca, Limosa limosa, Numenius arquata ) following the IUCN Red List confirms the importance of the steppe region wetlands for waterbirds conservation.
Citation
ETTAYIB Bensaci , Yassine NOUIDJEM , FATEH Mimeche , zoubiri asma, bilal gasmi, saheb menouar, ,(2019), Diversity and distribution pattern of waterbirds in wetlands of Algerian steppe region,BioEco2019,Istanbul / Turkey
- 2019
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2019
Preliminary data on the diversity pattern of waterbirds of Chott El-Hodna (Central High Plateaux-Algeria)
In this pioneering work on the aquatic avifauna of Chott El-Hodna (Central High Plateaux), we present results obtained through monthly companies of waterbirds counts started from September 2007 to September 2009. On this wetland of international importance under Ramsar convention, a total of 39 species of water birds representing 12 families have been recorded. The family of ducks is the most represented by 10 species. Amongst of all species, 20 of them are wintering species, 12 are visitors, 06 are resident breeder species as well as the Ruddy Shelduck Tadorna furruginea and Black-winged Stilt Himantopus himantopus etc. Only one species has breeder- migrant status as well as the white stork Ciconia ciconia. However, 11 species are protected under Algerian law, which one species is listed in (VU) Category of Red List of endangered species (Teal marbled Marmaronetta angustirostris) by the International Union for Conservation of Nature (IUCN).
Citation
ETTAYIB Bensaci , Yassine NOUIDJEM , Asma Zoubiri, El Yamine Guergueb, Menouar Saheb, Moussa Houhamdi, ,(2019), Preliminary data on the diversity pattern of waterbirds of Chott El-Hodna (Central High Plateaux-Algeria),International Biodiversity & Ecology Sciences Symposium,Istanbul / Turkey
- 2019
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2019
Bird Fauna of Eastern Great Erg of Algerian Sahara: Status, Protection and Conservation.
The Algerian Sahara covers the majority part of the country contains a various habitat types and landscape patterns. This variety offers a suitable biotope for biodiversity both in terms of fauna and flora. Many bird species are thought threatened by hunting, habitat destruction, pollution and urbanization in these regions. Bird fauna is probably the most well studied group in Algeria. Over the past 20 years, the spatial and temporal compositions of birds communities in different habitats in arid and Saharan areas mainly the Eastern Great Erg of Algeria, which considered important hotspot for many species. These efforts yielded a great amount of data on distribution patterns of each species. A group of Researchers, academics, students and enthusiasts were gathered in April, 2013 to create “The Algerian National Association of Ornithology (ANAO)” that aims essentially to conserve and preserve the most threatened biodiversity. We will present our association and its objectives for biodiversity conservation, particularly in the Sahara, also to look for collaboration opportunities to develop research projects on Algerian Sahara wildlife. Keywords: Great Erg, Sahara, conservation, biodiversity, ANAO
Citation
Yassine NOUIDJEM , Rabah BOUNAR , Abdelkrim ARAR , ETTAYIB Bensaci , merouani Sakina, ,(2019), Bird Fauna of Eastern Great Erg of Algerian Sahara: Status, Protection and Conservation.,L'apport des biotechnologies sur la protection de l'environnement,M'Sila
- 2019
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2019
Behavior and Breeding phenology of the Ruddy Shelduck tadorna ferruginea Ziban in dry grasslands (Algerian steppe).
During this study conducted in the wetlands of the Ziban region (South-eastern of Algeria) from August 2008 to July 2011, the Ruddy Shelduck Tadorna ferruginea was presented the resident breeder status. The maximum recorded was 285 individuals observed during the second half of October while the lowest numbers were recorded during the months of June, July and August of each year. The analysis of the diurnal time budget shows that the feeding is the main activity. She has almost 50% of the total day budget. It is followed by the activities of movement (swimming: 9.28%, walking: 2.62% and the flight: 1.75%), sleeping (16.91%), preening (7.85%), courtship (4.38%), antagonism (4.03%) and resting (3.88%). This shows that the wetlands of the valley act as delivery day. These sabkhas and chotts are also breeding grounds for this species. Whereas, between 101 and 148 nests have been estimated through all wetlands of the valley. Keys words: Ruddy Shelduck, Todorna ferruginea, Algeria, statut, Sahara, breeding, time budget.
Citation
Yassine NOUIDJEM , FATEH Mimeche , ETTAYIB Bensaci , guergueb El yamin, ,(2019), Behavior and Breeding phenology of the Ruddy Shelduck tadorna ferruginea Ziban in dry grasslands (Algerian steppe).,L'apport des biotechnologies sur la protection de l'environnement,M'Sila
- 2019
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2019
Diversity of macro-invertebrates inLake Tonga (northeast Algeria)
Abstract. The characteristic of polluo-tolerance and polluo-sensitivity allow to benthic aquatic macro-invertebrates the ability of being a good indicator for the health of the aquatic ecosystem. Our study presents an inventory of macro-invertebrates in the shores of Lake Tonga (wetland of international importance – Ramsar Site). The sampling was conducted between January to May 2017 and in three stations (Fad smar, Wadi El Hout and Fad El Alig). Theywere identified to family level. We provide a checklist and some observations on 20 families belonging to six orders. The taxonomic richness shows fluctuations between the studied stations, 13 families in Fad smar station, 14 in Wadi El Hout station and 17 families in Fad El Alig. Hemeptera, Coleoptera and Gasteropoda are dominant in the area. Factorial analysis of correspondence revealed significantly different macro-invertebrates assemblages among the stations of Lake Tonga.
Citation
ETTAYIB Bensaci , , (2019), Diversity of macro-invertebrates inLake Tonga (northeast Algeria), BIHAREAN BIOLOGIST, Vol:9, Issue:1, pages:4, Biharean Biologist, Oradea, Romania
- 2019
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2019
Nest characteristics aNd breediNg success of black kites (Milvus Migrans Migrans) iNthe high Plateau (algeria)
The breeding ecology of the Black Kite Milvus migrans migrans in Algeria was first studied in 2014 and 2015 on Tarf Mountain in the semi-arid High Plateaus region. The nearest-neighbour nest distance was found to range from 130 to 550 m for colonial pairs and from 1,730 to 2,390 m for the solitary ones. All 12 monitored nests were placed on cliffs at different heights ranging from149 to 155 m. The mean egg laying period was 15 days, and the mean clutch size was 2.83 ± 0.31 and 3 ± 00 eggs per nest in 2014 and 2015, respectively. The mean hatching success was 83% and that of fledging 75%. Only 2 nests were predated. Our results disagree with those of the previous studies that were carried out mainly in the Mediterranean basin and Asia, differing in such nest characteristics as the nearest-neighbour nest distance, cliff and nesting heights, egg laying period and hatching success. Otherwise, no consistent differences in clutch size and fledging success were revealed. Finally, we determined that Black Kites tend to build their nest on the eastern side of cliffs. However, our analysis showed no effect of nest placement on breeding parameters and success.
Citation
ETTAYIB Bensaci , , (2019), Nest characteristics aNd breediNg success of black kites (Milvus Migrans Migrans) iNthe high Plateau (algeria), Zoology and Ecology,, Vol:29, Issue:2, pages:8, Françis Taylor
- 2019
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2019
Effects of vegetation and water seasonal variation on habitat use of herons (Aves, Ardeidae) in Tonga Lake (North-East Algeria)
The present study was aimed to determine the effect of some environmental factors such as water features and vegetation cover on the distribution and habitat use of herons over different seasons of the bird’s life (breeding, passage and wintering) in Tonga Lake (North East Algeria) from March 2017 to February 2018. We used remote sensing techniques to study the environmental factors variations, we adopted the normalized difference vegetation index (NDVI) to give an estimate of vegetation cover and we used the normalized difference water index (NDWI)to study the water features. In our study, we determine that the abundance and richness of herons species is largely influenced by the water features and vegetation cover. The seasonal variations in the amount of these environmental factors areknown to affect the availability of various food items for herons. Eight species of herons were identified during the study period. Pearson’s Correlation Coefficient was used to examine the effect of NDVI and NDWI on the distribution of herons. The results showed that the NDVI was significantly positively correlated with richness and abundance of herons respectively (r=0.728, p<0.05) (r=0.651, p<0.05), wherease the NDWI was significantly negatively correlated with the richness and abundance of herons (r=-0.65, p<0.05) (r=-0.69, p<0.05) respectively.
Citation
Ahlam CHETTIBI , ETTAYIB Bensaci , , (2019), Effects of vegetation and water seasonal variation on habitat use of herons (Aves, Ardeidae) in Tonga Lake (North-East Algeria), STUDIA UNIVERSITATIS BABEŞ-BOLYAI BIOLOGIA, Vol:64, Issue:2, pages:16, STUDIA UNIVERSITATIS BABEŞ-BOLYAI BIOLOGIA