Vegetation-soil relationships in Tihamah coastal plains of Jazan region, Saudi Arabia

El-Demerdash, Mohamed; Hegazy, Ahmad K.; Zilay, A.M.

doi:10.1016/s0140-1963(05)80067-9

Cited by 44 publications

(33 citation statements)

References 8 publications

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“…The soil, accumulated by runoff water, supported dense woody vegetation and grasses with dense cover during the rainy season. Similar conclusions were made by other authors (Chaudhary, 1983;El-Demerdash et al, 1995;Shaltout & Madi, 1996;Al-Yemeni, 2001;Abbadi & El-Sheikh, 2002;Al Wadie, 2002;Springuel et al, 2006;Alatar et al, 2012).…”

Section: Discussionsupporting

confidence: 88%

“…In such cases, most of the total cover is accounted for by 1 or 2 species that can make the best use of available resources as a result of their high competitive capacities under environmental stress. Similar correlations were reported by El-Demerdash et al (1995), Abbadi and El-Sheikh (2002), El-Sheikh et al (2006, and Alatar et al (2012). Concerning the socioeconomic changes of the wadi bed area, increasing human activities could be observed.…”

Section: Discussionsupporting

confidence: 87%

“…Therophytes are adapted to the dryness of the region and shortage of rainfall, because they spend their vegetative period in seed form (Asri, 2003). These results are congruent with the spectra of vegetation in the desert habitats in other parts of Saudi Arabia (El-Demerdash et al, 1995;Chaudhary, 1999Chaudhary, -2001Collenette, 1999;Al-Turki & Al-Qlayan, 2003;Fahmy & Hassan, 2005;El-Ghanem et al, 2010;Alatar et al, 2012), and this picture also reflects the vegetation spectra in other parts of the Middle East (Danin & Orchan, 1990;Zahran & Willis, 1992;Abd El-Ghani, 2000;El-Bana & Al-Mathnani, 2009). The importance of the study area from a phytogeographical point of view may be due to the position of Mecca (Asir Mountains).…”

Section: Discussionsupporting

confidence: 76%

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Floristic diversity and vegetation analysis of Wadi Al-Noman, Mecca, Saudi Arabia

Khalik¹,

El‐Sheikh²,

Elaidarous³

2013

Turk J Bot

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Wadi Al-Noman in Mecca is one of the most important wadis. It was included among the most important water sources where the springs and wells of Zobida run and it provides drinking water for the holy places in Mecca and visitors to the Kaaba and Arafat regions. The present study provides an analysis of floristic composition, vegetation types, and structure and species distribution at 20 sites, emphasising the environmental factors that affect species distribution. A total of 126 species representing 39 families of vascular plants are recorded. Fabaceae, Poaceae, and Boraginaceae are the largest families, and therophytes and chamaephytes are the most frequent, indicating a typical desert life-form spectrum. The floristic composition of the different geomorphologic landscape units shows differences in species richness. The highest species richness value (23 species stand -1 ) is recorded in the wadi bed. The lowest species richness value (18 species stand -1 ) is recorded in the wadi plateau and fissures. Chorological analysis revealed that 52% of the studied species are bioregional, native to the Saharo-Arabian-Sudano-Zambezian region. After application of the TWINSPAN, DCA, and CCA programs 4 vegetation groups were identified, and they were named after the characteristic species as follows: (I) Aristolochia bracteolata-Cucumis prophetarum; (II) Calotropis procera-Acacia hamulosa-Caralluma russeliana; (III) Acacia abyssinica-Acacia hamulosa-Tephrosia desertorum; and (IV) Argemone ochroleuca-Senna italica. The associations and speciation of these Wadi Al-Noman plants demonstrate significant variation in pH, electrical conductivity, soil mineral contents, and human impact.

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Section: Discussionsupporting

confidence: 88%

Section: Discussionsupporting

confidence: 87%

Section: Discussionsupporting

confidence: 76%

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Floristic diversity and vegetation analysis of Wadi Al-Noman, Mecca, Saudi Arabia

Khalik¹,

El‐Sheikh²,

Elaidarous³

2013

Turk J Bot

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“…The mean annual temperature average is 31.6ºC. Total annual rainfall is approximately 130 mm [20] (Zygophyllaceae, annual) (Zs) [21,22] and one sample of soil (Ss) on a sandy terrain were collected near Jizan (N16º 52.656' E 042º 36.972') on march, 2012 (Fig. 1).…”

Section: Sample Collectionmentioning

confidence: 99%

Bacterial Rhizosphere Biodiversity from Several Pioneer Desert Sand Plants Near Jizan, Saudi Arabia

Osman¹,

Zélicourt²,

Bisseling³

et al. 2016

Open Conf. Proceed. J.

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Life in arid regions and, in particular, hot deserts is often limited due to their harsh environmental conditions, such as large temperature fluctuations and low amounts of water. These extreme environments can influence the microbial community present on the surface sands and any rhizosphere members surrounding desert plant roots. The Jizan desert area, located in Saudi Arabia, supports particular vegetation that grows in the large sandy flat terrain. We examined five different samples, four from the rhizosphere of pioneer plants plus a surface sand sample, and used pyrosequencing of PCR-amplified V1-V3 regions of 16S rDNA genes from total extracted DNA to reveal and compare the bacterial population diversity of the samples. The results showed a total of 3,530 OTUs in the five samples, calculated using ≥ 97% sequence similarity levels. The Chao1 estimation of the bacterial diversity fluctuated from 637 to 2,026 OTUs for a given sample. The most abundant members found in the samples belong to the Bacteroidetes, Firmicutes and Proteobacteria phyla. This work shows that the Jizan desert area of Saudi Arabia can contain a diverse bacterial community on the sand and surrounding the roots of pioneer desert plants. It also shows that desert sand microbiomes can vary depending on conditions, with broad implications for sandstone monument bacterial communities

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“…It may depend on simple qualitative techniques such as the Braun-Blanquet table sorting method (Braun-Blanquet, 1939;Guinochet, 1951;Lemée, 1953;Leredde, 1957;Bornkamm & Kehl, 1990;Kaabèche & Gharzouli, 1993Peinado et al, 1995;Quézel et al, 1995;Abd El-Ghani, 1996) or be based on floristic list assemblages related to discrete habitat types (Kassas & Imam, 1954;Kassas & Girgis, 1965) with an emphasis on phytogeographical plant distribution (Barry & Celles, 1973) and geobotanical studies . More complex numerical, quantitative methods include cluster analysis, two-way indicator species analysis (TWINSPAN) and correspondence analysis (Noy-Meir et al, 1970;Ward et al, 1993;El-Demerdash et al, 1995;Cowlishaw & Davies, 1997;Abd El-Ghani, 1998).…”

Section: Introductionmentioning

confidence: 99%

Vegetation associations in the Ougarta Mountains and dayas of the Guir hamada, Algerian Sahara

Benhouhou¹,

Dargie

Gilbert

2003

Journal of Arid Environments

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Vegetation-soil relationships in Tihamah coastal plains of Jazan region, Saudi Arabia

Cited by 44 publications

References 8 publications

Floristic diversity and vegetation analysis of Wadi Al-Noman, Mecca, Saudi Arabia

Floristic diversity and vegetation analysis of Wadi Al-Noman, Mecca, Saudi Arabia

Bacterial Rhizosphere Biodiversity from Several Pioneer Desert Sand Plants Near Jizan, Saudi Arabia

Vegetation associations in the Ougarta Mountains and dayas of the Guir hamada, Algerian Sahara

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