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Ecological risk assessment of heavy metal contamination in mangrove habitats, using biochemical markers and pollution indices: A case study of Avicennia marina L. in the Rabigh lagoon, Red Sea
Heavy Metal Accumulation and Anti-Oxidative Feedback as a Biomarker in Seagrass Cymodocea serrulata
The pursuit of a good candidate to biomonitor environmental pollutants has been on the increase. In this study, the concentrations of Fe, Mn, Cu, Zn, Cd, Cr, Pb and Ni in sediment, seawater and…
The life cycle of Gyliauchen volubilis Nagaty, 1956 (Digenea: Gyliauchenidae) from the Red Sea
The life cycle of G. volubilis implicitly supports the phylogenetic relationship of Gyliauchenidae and Lepocreadiidae inferred from molecular phylogenetic studies.
Ecological comments on the intestinal helminths of the rabbitfish Siganus rivulatus (Teleostei, Siganidae) from the northern Red Sea
In all patterns of single and concurrent infections, the intensity of infection was directly related to fish size, and observations suggest that the interaction between G. volubilis and S. rubrimaris is probably a negative and symmetrical one.
Infrapopulations of Gyliauchen volubilis Nagaty, 1956 (Trematoda: Gyliauchenidae) in the rabbitfish Siganus rivulatus (Teleostei: Siganidae) from the Saudi coast of the Red Sea
- M. O. Al-Jahdali
- Biology, Environmental ScienceParasite
- 1 August 2012
The results suggest that infrapopulation self-regulation is greatly associated with its size and the ratio mean testis size-mean ovary size, a reliable indicator of resource allocation to the male function and of opportunities for crossfertilization, significantly increased with mating group size.
NEW INTESTINAL TREMATODES FROM SIGANID FISHES OFF THE SAUDI COAST OF THE RED SEA
In small samples of the siganid fishes Siganus rivulatus Forsskal et Niebuhr and S. luridus Ruppel (Teleostei) from off the Saudi coast of the Red Sea, some individuals of each fish were found…
Ovarian abnormality in a pathological case caused by Myxidium sp. (Myxozoa, Myxosporea) in onespot snapper fish Lutjanus monostigma (Teleostei, Lutjanidae) from the Red Sea
Myxidium elmatboulii is described herein for the first time as a histozoic parasite in the ovary of the onespot snapper fish, Lutjanus monostigma from the Red Sea coast of Saudi Arabia, presumed to negatively affect the reproductive capacity of the fish host.
Monitoring Mangrove Forest Degradation and Regeneration: Landsat Time Series Analysis of Moisture and Vegetation Indices at Rabigh Lagoon, Red Sea
Rabigh Lagoon, located on the eastern coast of the Red Sea, is an ecologically rich zone in Saudi Arabia, providing habitat to Avicennia marina mangrove trees. The environmental quality of the lagoon…
Sulfur Dioxide (SO2) Accumulation in Soil and Plant's Leaves around an Oil Refinery: A Case Study from Saudi Arabia
The accumulative levels of SO2 in soil and plant's leaves around an oil refinery were monitored. Four different sites around the refinery area were chosen; west, south east, north east and the…
Intraspecific density-dependent effects on growth and fecundity of Diplosentis nudus (Harada, 1938) Pichelin et Cribb, 2001 (Acanthocephala, Cavisomidae)
Correlations between female-to-male sex ratio and infrapopulation size, numbers of females and their mean lengths, numbersof males and their means lengths, mean female length and mean male length within infrapOPulation were very strong, suggesting density-dependent reduction in female worm fecundity and competition between male worms.