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  1. No Access

    Article

    Environmental Changes at the Desert Margin: An Assessment of Recent Paleolimnological Records in Lake Qarun, Middle Egypt

    Lake Qarun has been profoundly affected by a combination of human activities and climatic changes during the past 5000 years. Instrumental records available for the 20th century show that during most of this p...

    R. J. Flower, C Stickley, N. L. Rose, S Peglar, A. A. Fathi… in Journal of Paleolimnology (2006)

  2. No Access

    Article

    Toxicological response of the green algaScenedesmus bijuga to mercury and lead

    Effect of mercury or lead on the growth, bioaccumulation and some enzyme activities of one of the most common algae in River Nile,Scenedesmus bijuga, was determined. The cell count and chlorophylla content decrea...

    A. A. Fathi in Folia Microbiologica (2002)

  3. No Access

    Article

    Some observations on the age and growth of thin-lipped grey mullet, Liza ramada Risso, 1826 (Pisces, Mugilidae) in three North African wetland lakes: Merja Zerga (Morocco), Garâat Ichkeul (Tunisia) and Edku Lake (Egypt)

    Age and growth characteristics of the thin-lipped Grey Mullet (Liza ramada) were investigated in three North African wetland lakes: Merja Zerga (Morocco), Garâat Ichkeul (Tunisia) and Edku Lake (Egypt). Age struc...

    M.M. Kraïem, C. Ben Hamza, M. Ramdani, A.A. Fathi, H.M.A. Abdelzaher… in Aquatic Ecology (2001)

  4. No Access

    Article

    Recent environmental change in North African wetland lakes: diatom and other stratigraphic evidence from nine sites in the CASSARINA Project

    All nine wetland lakes in the CASSARINA North African suite of sample sites have been disturbed strongly by human activity during the 20th century. Dated lake sediment core were used to provide evidence of the...

    R.J. Flower, S. Dobinson, M. Ramdani, M.M. Kraïem, C. Ben Hamza… in Aquatic Ecology (2001)

  5. No Access

    Article

    Recent environmental change in North African wetland lakes: a baseline study of organochlorine contaminant residues in sediments from nine sites in the CASSARINA Project

    Sediment from 9 lakes and lagoons in 3 North African countries was analysed for a suite of organochlorine insecticides and polychlorinated biphenyls (PCBs). Residues of γ-HCH and pp′-DDE were detected in most cor...

    A.J. Peters, K.C. Jones, R.J. Flower, P.G. Appleby, M. Ramdani… in Aquatic Ecology (2001)

  6. No Access

    Article

    Phytoplankton communities of North African wetland lakes: the CASSARINA Project

    Seasonal variations in phytoplankton species composition (frequencies) and densities (cell numbers) in nine North African coastal lakes selected in Morocco (Merja Sidi Bou Rhaba, Zerga and Bokka), Tunisia (Chi...

    A.A. Fathi, H.M.A. Abdelzaher, R.J. Flower, M. Ramdani, M.M. Kraïem in Aquatic Ecology (2001)

  7. No Access

    Article

    Radiometrically determined dates and sedimentation rates for recent sediments in nine North African wetland lakes (the CASSARINA Project)

    Sediment cores were collected from nine wetland lakes in Morocco, Tunisia and Egypt for the CASSARINA project investigating environmental change in Northern African wetlands. The cores were dated radiometrical...

    P.G. Appleby, H.H. Birks, R.J. Flower, N. Rose, S.M. Peglar, M. Ramdani… in Aquatic Ecology (2001)

  8. No Access

    Article

    Palaeolimnological responses of nine North African lakes in the CASSARINA Project to recent environmental changes and human impact detected by plant macrofossil, pollen, and faunal analyses

    This paper presents multi-proxy palaeolimnological analyses from recent sediments in the nine CASSARINA lakes in northernmost Africa, three from each of Morocco, Tunisia, and Egypt. The lakes are diverse, rang...

    Hilary H. Birks, Sylvia M. Peglar, Ian Boomer, R.J. Flower, M. Ramdani… in Aquatic Ecology (2001)

  9. No Access

    Article

    Terrestrial pollen record of recent land-use changes around nine North African lakes in the CASSARINA Project

    Pollen analyses and related plant macrofossil records are presented from short cores from nine North African lakes in the EU-funded CASSARINA project. Terrestrial pollen reflects human impact on the vegetation...

    Sylvia M. Peglar, Hilary H. Birks, H. J. B. Birks, A.A. Fathi… in Aquatic Ecology (2001)

  10. No Access

    Article

    Response of Tolerant and Wild Strains of Scenedesmus Biguja to Copper

    Copper tolerance in Scenedesmus biguja was studied by comparing the physiological properties and Cu uptake in wild type and copper tolerant strain. A concentration dependent reduction in growth rate, pigment, pro...

    A.A. Fathi, A.M. El-Shahed in Biologia Plantarum (2000)