M. Soliman, I. Ali, S. El-Sakka, Omayma El-Sayed Abdel-Basset Mohamed
New quinoline derivatives based on allyl and amino acid were prepared and characterized using elemental analysis (CHN%), HNMR, CNMR spectra. The theoretical calculations which carried out using different computer programs permit proposing an optimized geometry for the formed complexes. The molecular modeling for some representative compounds were evaluated and discussed. The energy of the HOMO and LUMO was calculated and assessed. The most stable structure of the synthesized compounds was suggested and evaluated its energy. The most benefit properties, which play very important role in drug synthesis referred to the surface properties of the compounds, were evaluated and discussed. The application of the DFT, on the target compounds, gave promising properties required for antitumor drugs. Docking of the synthesized compounds with HepG2-code: 5EQG protein, as liver carcinoma cell, gave promising inhibition in silico level. The antitumor activity of the target compounds in vitro level gave activity with some compounds exceeded the market drug.
{"title":"Novel Quinoline Derivatives as Antitumor Agents Against HepG2 Cells: Synthesis, Characterization, In Silico, In Vitro and Docking Studies","authors":"M. Soliman, I. Ali, S. El-Sakka, Omayma El-Sayed Abdel-Basset Mohamed","doi":"10.21608/cat.2020.85762","DOIUrl":"https://doi.org/10.21608/cat.2020.85762","url":null,"abstract":"New quinoline derivatives based on allyl and amino acid were prepared and characterized using elemental analysis (CHN%), HNMR, CNMR spectra. The theoretical calculations which carried out using different computer programs permit proposing an optimized geometry for the formed complexes. The molecular modeling for some representative compounds were evaluated and discussed. The energy of the HOMO and LUMO was calculated and assessed. The most stable structure of the synthesized compounds was suggested and evaluated its energy. The most benefit properties, which play very important role in drug synthesis referred to the surface properties of the compounds, were evaluated and discussed. The application of the DFT, on the target compounds, gave promising properties required for antitumor drugs. Docking of the synthesized compounds with HepG2-code: 5EQG protein, as liver carcinoma cell, gave promising inhibition in silico level. The antitumor activity of the target compounds in vitro level gave activity with some compounds exceeded the market drug.","PeriodicalId":42145,"journal":{"name":"Catrina-The International Journal of Environmental Sciences","volume":"1 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82331220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
H. Abbaspour, N. Roudbari, K. M. Kalantari, A. Aien
To evaluate the responses of cumin plant to different levels of drought stress with exogenous application of either 24-epibrassinolide (24-EBL) or hydrogen peroxide (H2O2) and a mixture of them, a factorial experiment was conducted, in a complete randomized design with three replicas, at the experimental greenhouse. Treatments included three levels of drought stress (100%, 75%, and 50% of FC) in which at fifth week after germination (beginning of reproductive growth) application of H2O2 (0, 0.5 and 1mM) and 24-epibrassinosteroid (0, 0.5 and 1mM) at two stages, first 3 days before applying the then, 15 days after. The results showed that with increasing stress intensity, the amounts of proline, malondialdehyde and superoxide dismutase (SOD) enzyme increased, but decreased the total protein and catalase enzyme in the root. The results of interaction between drought stress and exogenous application of 24-EBL showed the highest total protein content (11.30 mg/l) at 1mM 24-EBL under moderate stress of 75% of FC. Also, the highest of proline content of the root and shoot were obtained (10.15 and 10.91 mMol gFW –l , respectively) under severe stress (50% FC) and spraying with 1mM 24EBL, respectively. However, a decrease in MDA content, with the application of 24-EBL e and H2O2, was recorded. In general, it can report that drought stress reduced the efficiency of photosynthesis and plant production. Moreover, application of 24-EBL and H2O2 was able to improve the photosynthetic system and resistance of the cumin plant to stress.
{"title":"Effect of Exogenous Application of 24-Epibrassinosteroids and Hydrogen Peroxide on Some Biochemical Characteristics of Cuminum cyminum L. grown under Drought Stress","authors":"H. Abbaspour, N. Roudbari, K. M. Kalantari, A. Aien","doi":"10.21608/cat.2020.85788","DOIUrl":"https://doi.org/10.21608/cat.2020.85788","url":null,"abstract":"To evaluate the responses of cumin plant to different levels of drought stress with exogenous application of either 24-epibrassinolide (24-EBL) or hydrogen peroxide (H2O2) and a mixture of them, a factorial experiment was conducted, in a complete randomized design with three replicas, at the experimental greenhouse. Treatments included three levels of drought stress (100%, 75%, and 50% of FC) in which at fifth week after germination (beginning of reproductive growth) application of H2O2 (0, 0.5 and 1mM) and 24-epibrassinosteroid (0, 0.5 and 1mM) at two stages, first 3 days before applying the then, 15 days after. The results showed that with increasing stress intensity, the amounts of proline, malondialdehyde and superoxide dismutase (SOD) enzyme increased, but decreased the total protein and catalase enzyme in the root. The results of interaction between drought stress and exogenous application of 24-EBL showed the highest total protein content (11.30 mg/l) at 1mM 24-EBL under moderate stress of 75% of FC. Also, the highest of proline content of the root and shoot were obtained (10.15 and 10.91 mMol gFW –l , respectively) under severe stress (50% FC) and spraying with 1mM 24EBL, respectively. However, a decrease in MDA content, with the application of 24-EBL e and H2O2, was recorded. In general, it can report that drought stress reduced the efficiency of photosynthesis and plant production. Moreover, application of 24-EBL and H2O2 was able to improve the photosynthetic system and resistance of the cumin plant to stress.","PeriodicalId":42145,"journal":{"name":"Catrina-The International Journal of Environmental Sciences","volume":"2 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87988744","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
I. Mashaly, Sekina M Ayaad, M. El-Shamy, Esraa A Elsoudy
The present study aims to investigate the floristic composition and vegetation analysis of the floraassociated with some grasses growing naturally on the sand formations in the Deltaic Mediterranean coastof Egypt. The total number of the recorded plant species was 79 species (44 annuals and 35 perennials)belonging to 70 genera and 26 families. The life –form spectra of the recorded species comprised 44therophytes, 13 cryptophytes, eight hemicryptophytes, seven chamaephytes and phanerphytes for each.Chorologically, the Saharo-Sindian element was represented by relatively high number of species (34),followed by Irano-Turanian (32 species), then Euro-Siberian (10 species) and Sudano-Zambezian (9species). Based on the importance alue of each species, the classification of the recorded species in 36sampled stands led to recognition of four vegetation groups (A-D). The characteristics dominant andcodominant species of vegetation groups were Elymus farcatus and Calligonum polygonoides (A),Hordeum murinum (B), Stipagrostis lanata and Echinops spinosus (C) and Lycium schweinfurthii andEchinops spinosus (D). DCA diagram showed overlapping between the identified groups. CCA-biplotexhibited that sulfates, calcium, potassium, magnesium and calcium carbonate were the most effectivesoil variables controlling the abundance of identified vegetation groups.
{"title":"Ecological Study on some Grasses Growing Naturally in the Deltaic Mediterranean Coast of Egypt","authors":"I. Mashaly, Sekina M Ayaad, M. El-Shamy, Esraa A Elsoudy","doi":"10.12816/CAT.2019.49168","DOIUrl":"https://doi.org/10.12816/CAT.2019.49168","url":null,"abstract":"The present study aims to investigate the floristic composition and vegetation analysis of the floraassociated with some grasses growing naturally on the sand formations in the Deltaic Mediterranean coastof Egypt. The total number of the recorded plant species was 79 species (44 annuals and 35 perennials)belonging to 70 genera and 26 families. The life –form spectra of the recorded species comprised 44therophytes, 13 cryptophytes, eight hemicryptophytes, seven chamaephytes and phanerphytes for each.Chorologically, the Saharo-Sindian element was represented by relatively high number of species (34),followed by Irano-Turanian (32 species), then Euro-Siberian (10 species) and Sudano-Zambezian (9species). Based on the importance alue of each species, the classification of the recorded species in 36sampled stands led to recognition of four vegetation groups (A-D). The characteristics dominant andcodominant species of vegetation groups were Elymus farcatus and Calligonum polygonoides (A),Hordeum murinum (B), Stipagrostis lanata and Echinops spinosus (C) and Lycium schweinfurthii andEchinops spinosus (D). DCA diagram showed overlapping between the identified groups. CCA-biplotexhibited that sulfates, calcium, potassium, magnesium and calcium carbonate were the most effectivesoil variables controlling the abundance of identified vegetation groups.","PeriodicalId":42145,"journal":{"name":"Catrina-The International Journal of Environmental Sciences","volume":"1 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74399677","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"RAPD-PCR analysis and gene expression of CYP450 in Tribolium castaneum adults in response to different insecticides","authors":"S. Mahmoud, A. Kamel","doi":"10.21608/cat.2019.47459","DOIUrl":"https://doi.org/10.21608/cat.2019.47459","url":null,"abstract":"","PeriodicalId":42145,"journal":{"name":"Catrina-The International Journal of Environmental Sciences","volume":"184 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75675749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The newquinoline derivatives: 2-oxo-1,2-dihydroquinoline-4-carbohydrazide (1),2-(allyloxy)quinoline-4-carbohydrizde (2), 1-allyl-2-oxo-1,2-dihydroquinoline-4-carbohydrazid (3) and 2-(allyl-thio)quinoline-4-carbohydrazide (4)and their Cu(II), Ni(II) and Co(II) complexes were synthesized and characterized by using elemental analysis (CHNM%), FTIR, UV/Vis, 1HNMR, 13CNMRspectra, DTA, TGA, magnetic susceptibility and the conductivity of 0.001 M in DMSO. The FTIRspectra of the synthesized ligands and their complexes were giving the characteristic stretching vibration bands. The weight losswhich appeared in the TG analysis indicates that, there are different types of water molecules in the formed complexes. The theoretical calculations which carried out using different computer programs permit proposing an optimized geometry for the formed complexes. The molecular modeling for the free ligands and their complexes were evaluated and discussed. Docking of the synthesized compounds with HepG2-code:5EQG protein, as liver carcinoma cell, gave promising inhibition in Silico level.The antimicrobial activity of the target compounds with E. Coli, B. Subtils and Asp. Niger,in Vitro level, gave promising result. The interaction of the compounds with the microorganisms was tested in Silico level. E. Coli was used as an example for the target microorganism. The protein which used for docking process was 5C9T.
{"title":"Docking Applications For Some Novel Complexes Derived From Quinoline Derivatives","authors":"I. Ali, S. El-Sakka, M. Soliman, O. Mohamed","doi":"10.21608/CAT.2019.48667","DOIUrl":"https://doi.org/10.21608/CAT.2019.48667","url":null,"abstract":"The newquinoline derivatives: 2-oxo-1,2-dihydroquinoline-4-carbohydrazide (1),2-(allyloxy)quinoline-4-carbohydrizde (2), 1-allyl-2-oxo-1,2-dihydroquinoline-4-carbohydrazid (3) and 2-(allyl-thio)quinoline-4-carbohydrazide (4)and their Cu(II), Ni(II) and Co(II) complexes were synthesized and characterized by using elemental analysis (CHNM%), FTIR, UV/Vis, 1HNMR, 13CNMRspectra, DTA, TGA, magnetic susceptibility and the conductivity of 0.001 M in DMSO. The FTIRspectra of the synthesized ligands and their complexes were giving the characteristic stretching vibration bands. The weight losswhich appeared in the TG analysis indicates that, there are different types of water molecules in the formed complexes. The theoretical calculations which carried out using different computer programs permit proposing an optimized geometry for the formed complexes. The molecular modeling for the free ligands and their complexes were evaluated and discussed. Docking of the synthesized compounds with HepG2-code:5EQG protein, as liver carcinoma cell, gave promising inhibition in Silico level.The antimicrobial activity of the target compounds with E. Coli, B. Subtils and Asp. Niger,in Vitro level, gave promising result. The interaction of the compounds with the microorganisms was tested in Silico level. E. Coli was used as an example for the target microorganism. The protein which used for docking process was 5C9T.","PeriodicalId":42145,"journal":{"name":"Catrina-The International Journal of Environmental Sciences","volume":"2 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82011198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
N. Osman, Adel A. Siam, Islam M. El-Manawy, Y. Jeon
Marine algae are a well-known source of active compounds with many biological activities. Many studieshad point to the anti-microbial and anti-diabetic activity of seaweeds. Egyptian shores are rich withseaweeds, yet studies concerning their biological activity are inadequate. In the present work, the 80%methanolic extract of six seaweeds (Actinotrichia fragilis, Cystoseira myrica, Hormophysa cuneiformis,Laurencia papillosa, Sargassum cinereum, and Turbinaria turbinate) were tested for their antimicrobialactivity using disc diffusion method and anti-diabetic activity using the Inhibition of α-glucosidasemethod. The six species were collected from Hurghada, Red Sea, Egypt during late December, 2012. Theresults should that the algal extracts were effective against both Gram-positive and Gram-negative bacteriawhen used at 2000μg/disc concentration. On Candida albicuns, both low and high concentrations showedactivity. For anti-diabetic activity, H. cuneiformis was the most active species that reached to 53%inhibition of α-glucosidase at the highest concentration (1000 μg/ml) with IC50 676.9 μg/ml. Inconclusion, the tested seaweeds possess a good anti-microbial and anti-diabetic activity, especially thespecies Hormophysa cuneiformis.
{"title":"Anti-microbial and Anti-diabetic Activity of Six Seaweeds Collected from the Red Sea, Egypt","authors":"N. Osman, Adel A. Siam, Islam M. El-Manawy, Y. Jeon","doi":"10.12816/CAT.2019.49157","DOIUrl":"https://doi.org/10.12816/CAT.2019.49157","url":null,"abstract":"Marine algae are a well-known source of active compounds with many biological activities. Many studieshad point to the anti-microbial and anti-diabetic activity of seaweeds. Egyptian shores are rich withseaweeds, yet studies concerning their biological activity are inadequate. In the present work, the 80%methanolic extract of six seaweeds (Actinotrichia fragilis, Cystoseira myrica, Hormophysa cuneiformis,Laurencia papillosa, Sargassum cinereum, and Turbinaria turbinate) were tested for their antimicrobialactivity using disc diffusion method and anti-diabetic activity using the Inhibition of α-glucosidasemethod. The six species were collected from Hurghada, Red Sea, Egypt during late December, 2012. Theresults should that the algal extracts were effective against both Gram-positive and Gram-negative bacteriawhen used at 2000μg/disc concentration. On Candida albicuns, both low and high concentrations showedactivity. For anti-diabetic activity, H. cuneiformis was the most active species that reached to 53%inhibition of α-glucosidase at the highest concentration (1000 μg/ml) with IC50 676.9 μg/ml. Inconclusion, the tested seaweeds possess a good anti-microbial and anti-diabetic activity, especially thespecies Hormophysa cuneiformis.","PeriodicalId":42145,"journal":{"name":"Catrina-The International Journal of Environmental Sciences","volume":"281 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91181183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The present study seeks to assess the bird biodiversity at the Important Bird Area (IBA) and Ramsar site,Lake Burullus, northern Egypt. Waterbirds biodiversity was assessed at 14 selected sites in the lake duringwinter and spring seasons. The assessment included richness, composition, evenness, abundance, andSimpson and Shannon-Wiener diversity indices. Bird species diversity varied spatially and temporallyamong different sites during the study period. Estimated species richness was 49 species. Winter birdswere mainly migratory waterbirds like waterfowl, distributed in the islets for foraging, which was the mainactivity of 51% of total birds, followed by 36% roosting and 13% breeding at the lake. Evidence ofbreeding was recorded, such as collecting nest material, courtship behavior and food collecting forjuveniles. The hierarchical cluster analysis separated the lake sites into four distinctive habitats: lakeshores, open water, islets and reed beds. Seven bird species showed significant affinities with differenthabitat types: Laughing dove (Streptopelia senegalensis) favored the lake shores habitat (P< 0.04); Littlebittern (Ixobrychus minutus) (P< 0.04), Pied kingfisher (Ceryle rudis) (P< 0.04), Common kingfisher(Alcedo atthis) (P< 0.02), Pied wagtail (Motacilla alba) (P< 0.04), and Graceful prinina (Prinia gracilis)(P< 0.01) were found in islands habitat. Little egret (Egretta garzetta) dominated the reed beds habitatgroup (P< 0.03). The results reflected the importance of Burullus Lake as a wintering and breeding habitatfor birds and suggested that more implemented conservation and management strategies should beadopted.
{"title":"Biodiversity and habitat use of wintering and breeding waterbirds in Burullus Lake (Ramsar site), Egypt","authors":"Basma M. Sheta","doi":"10.12816/CAT.2019.49179","DOIUrl":"https://doi.org/10.12816/CAT.2019.49179","url":null,"abstract":"The present study seeks to assess the bird biodiversity at the Important Bird Area (IBA) and Ramsar site,Lake Burullus, northern Egypt. Waterbirds biodiversity was assessed at 14 selected sites in the lake duringwinter and spring seasons. The assessment included richness, composition, evenness, abundance, andSimpson and Shannon-Wiener diversity indices. Bird species diversity varied spatially and temporallyamong different sites during the study period. Estimated species richness was 49 species. Winter birdswere mainly migratory waterbirds like waterfowl, distributed in the islets for foraging, which was the mainactivity of 51% of total birds, followed by 36% roosting and 13% breeding at the lake. Evidence ofbreeding was recorded, such as collecting nest material, courtship behavior and food collecting forjuveniles. The hierarchical cluster analysis separated the lake sites into four distinctive habitats: lakeshores, open water, islets and reed beds. Seven bird species showed significant affinities with differenthabitat types: Laughing dove (Streptopelia senegalensis) favored the lake shores habitat (P< 0.04); Littlebittern (Ixobrychus minutus) (P< 0.04), Pied kingfisher (Ceryle rudis) (P< 0.04), Common kingfisher(Alcedo atthis) (P< 0.02), Pied wagtail (Motacilla alba) (P< 0.04), and Graceful prinina (Prinia gracilis)(P< 0.01) were found in islands habitat. Little egret (Egretta garzetta) dominated the reed beds habitatgroup (P< 0.03). The results reflected the importance of Burullus Lake as a wintering and breeding habitatfor birds and suggested that more implemented conservation and management strategies should beadopted.","PeriodicalId":42145,"journal":{"name":"Catrina-The International Journal of Environmental Sciences","volume":"12 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81873663","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The present study aims to investigate the ecology of weed communities associated with some orchards habitat using the variations in environmental factors to determine the distribution and abundance of the recognized weed communities in the study areas. The sampled stands were distributed in four Governorates. Field visits were started from January 2014 to September 2015, 45 stands were selected for sampling the vegetation types during summer season. The application of TWINSPAN classification based on the importance values of 49 plant species recorded in selected 45 sampled stands representing the summer orchards sites in the study areas led to the recognition of four vegetation groups (Euphorbia heterophylla, Commelina benghalensis, Cynanchum acutum and Xanthium strumarium were the dominate plants). In summer season, the application of DCA technique proved that, the plant communities recognized by TWINSPAN classification were markedly distinguishable and having clear pattern of segregation on the ordination plane. The application of CCA technique was used to determine the most effective soil variables controlling the abundance and distribution of weed communities associated during summer season.
{"title":"On the Ecology of Weeds in the Orchards habitat During Summer Season in Nile Delta, Egypt","authors":"I. Mashaly, Sami Al-Barti, A. A. El-Gawad","doi":"10.12816/CAT.2019.47548","DOIUrl":"https://doi.org/10.12816/CAT.2019.47548","url":null,"abstract":"The present study aims to investigate the ecology of weed communities associated with some orchards habitat using the variations in environmental factors to determine the distribution and abundance of the recognized weed communities in the study areas. The sampled stands were distributed in four Governorates. Field visits were started from January 2014 to September 2015, 45 stands were selected for sampling the vegetation types during summer season. The application of TWINSPAN classification based on the importance values of 49 plant species recorded in selected 45 sampled stands representing the summer orchards sites in the study areas led to the recognition of four vegetation groups (Euphorbia heterophylla, Commelina benghalensis, Cynanchum acutum and Xanthium strumarium were the dominate plants). In summer season, the application of DCA technique proved that, the plant communities recognized by TWINSPAN classification were markedly distinguishable and having clear pattern of segregation on the ordination plane. The application of CCA technique was used to determine the most effective soil variables controlling the abundance and distribution of weed communities associated during summer season.","PeriodicalId":42145,"journal":{"name":"Catrina-The International Journal of Environmental Sciences","volume":"13 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90675325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-01DOI: 10.12816/CAT.2018.6083.1008
I. Mashaly
The Zygophyllaceae is a widespread family of common existence in arid and semi-arid habitats of the Old and New Worlds, especially in seasonally dry deserts. Various members of this family are characterized by high efficient potential for the treatment of broad spectrum health disorders and well known in scientific and folk literature for their medicinal uses. TWINSPAN cluster for the 38 stands yielded four vegetation groups (A, B, C and D) at the 3rd level of classification. These groups were identified after the first dominant species that attained the highest importance value (IV). Group A: Zygophyllum aegyptium, group B: Fagonia cretica, group C: Zygophyllum coccineum and group D: Pulicaria undulata. The vegetation group A characterized sand formation habitats along Deltaic Mediterranean coastal desert, while group B represented roadside habitats of the western Mediterranean coastal desert, group C dominated Wadi Hagul bed and gravel desert habitats of Suez. Furthermore, group D inhabited wadi bed and roadside habitats in Ismailia. Ordination of the vegetation groups along 2 axes was performed using Detrended Correspondence Analysis (DCA), while Canonical Correspondence Analysis (CCA) was utilized to determine the relation between the community types and soil factors.
{"title":"Vegetation Ecology Associated with Some Species of Family Zygophyllaceae in Different Regions of Egyptian Desert","authors":"I. Mashaly","doi":"10.12816/CAT.2018.6083.1008","DOIUrl":"https://doi.org/10.12816/CAT.2018.6083.1008","url":null,"abstract":"The Zygophyllaceae is a widespread family of common existence in arid and semi-arid habitats of the Old and New Worlds, especially in seasonally dry deserts. Various members of this family are characterized by high efficient potential for the treatment of broad spectrum health disorders and well known in scientific and folk literature for their medicinal uses. TWINSPAN cluster for the 38 stands yielded four vegetation groups (A, B, C and D) at the 3rd level of classification. These groups were identified after the first dominant species that attained the highest importance value (IV). Group A: Zygophyllum aegyptium, group B: Fagonia cretica, group C: Zygophyllum coccineum and group D: Pulicaria undulata. The vegetation group A characterized sand formation habitats along Deltaic Mediterranean coastal desert, while group B represented roadside habitats of the western Mediterranean coastal desert, group C dominated Wadi Hagul bed and gravel desert habitats of Suez. Furthermore, group D inhabited wadi bed and roadside habitats in Ismailia. Ordination of the vegetation groups along 2 axes was performed using Detrended Correspondence Analysis (DCA), while Canonical Correspondence Analysis (CCA) was utilized to determine the relation between the community types and soil factors.","PeriodicalId":42145,"journal":{"name":"Catrina-The International Journal of Environmental Sciences","volume":"34 2 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90456495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The article deals critically with several aspects of the recently published article on the Egyptian species of genus Ephedra, published by Faried et al. 2018, in Catrina 17. It provides additional and correcting data on the morphology and distribution of some species including an identification key based on vegetative characters, detailed distribution maps based on the evaluation of material from all relevant herbaria and photos of the respective species taken in the field.
{"title":"Comments on the Egyptian species of Ephedra L. (Ephedraceae)","authors":"H. Freitag","doi":"10.12816/CAT.2019.47458","DOIUrl":"https://doi.org/10.12816/CAT.2019.47458","url":null,"abstract":"The article deals critically with several aspects of the recently published article on the Egyptian species of genus Ephedra, published by Faried et al. 2018, in Catrina 17. It provides additional and correcting data on the morphology and distribution of some species including an identification key based on vegetative characters, detailed distribution maps based on the evaluation of material from all relevant herbaria and photos of the respective species taken in the field.","PeriodicalId":42145,"journal":{"name":"Catrina-The International Journal of Environmental Sciences","volume":"8 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88216647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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