This paper presents the results of preliminary assessment of water quality along Red Sea coast adjoining Jeddah, Saudi Arabia. Jeddah is a major city with a population of over 2.6 million and an area 1,200 km. To study the impacts, samples of the Red Sea were collected from 24 important locations near Jeddah and analyzed in the laboratory for various water quality parameters. These parameters i...

zaki’s reef is located in the gulf of suez, a narrow portion of the red sea, with exceptionally dry and hot climate and lacks almost all scientific data. this research intends to describe the area’s unique climatology, which may reveal correlations between the reef’s existence at high latitude and extreme climate conditions. air temperature at zaki’s reef fluctuated between 0.3 and 58.6oc with ...

A new scleractinian coral species, Cyphastreakausti sp. n., is described from 13 specimens from the Red Sea. It is characterised by the presence of eight primary septa, unlike the other species of the genus, which have six, ten or 12 primary septa. The new species has morphological affinities with Cyphastreamicrophthalma, from which it can be distinguished by the lower number of septa (on avera...

The aim of this study is to reveal gene flow between populations of the coral reef dwelling lionfish Pterois miles in the Gulf of Aqaba and northern Red Sea. Due to the fjord-like hydrography and topology of the Gulf of Aqaba, isolation of populations might be possible. Analysis of 5' mitochondrial control region sequences from 94 P. miles specimens detected 32 polymorphic sites, yielding 38 ha...

Figure 1. Cross-sectional model of continental-margin response to high-amplitude fluctuations in eustatic sea level. The panels represent (A) floodand (B) stormdominated margins. Large panels show stratigraphic architecture resulting from two sea-level cycles superimposed on steady background subsidence. Red circles denote shoreface location. Stratal spacing: ∆t = 0.6. Insets show eustatic sea ...

Nowhere on the present-day Earth can the transition from a continental to an oceanic rift be observed and studied better than in the Red Sea region, where three rifts in different stages of evolution meet in a triple point located in the Afar region. A thermal and/or compositional mantle plume may have risen from the upper mantle below Afar already at *30 Ma, and may have triggered, at least in...

Numerous studies have been made of Recent Red Sea sediments concerning their paleontology, mineralogy, or geochemistry. In addition, over 50 reports have been published on the sedimentary environment of the hot brine area (21°N) in the central axial valley (see Degens and Ross, 1969, and contained references; Backer and Schoell, 1972). These studies generally indicate considerable climatic fluc...

New concepts related to the mobility of the earth's crust have focused attention on the Red Sea area. Anyone familiar with the geographic outline of western Arabia and northeast Africa is struck by the apparent jig-saw fit that appears possible in closing the Red Sea. Indeed, the modern paradigm of plate tectonics would have the Arabian Peninsula drifting away from the African continent. Consid...