Seasonal variation in ecophysiology of Avicennia marina populationsgrowing in polluted Arabian sea coast around Karachi [Pakistan]
2001
Aziz, I.,Karachi Univ. (Pakistan). Dept. of Botany)Khan, M.A.
Seasonal variation in water relations and nutrient content of six Avicenniamarina populations in various creeks of the Arabian Sea near Karachi, Pakistanwas studied. Extra nutrients, both in sediments and plant samples increasedwith the onset of monsoon during July-August. Highest concentrations ofnutrients were recorded in samples collected from Korangi Creek populationwhile lowest values were from Rehri. Ammonium and sodium concentrationswere highest both in plant and sediment samples. Water potential of plants wasmore negative during the dry and more saline period, while stomatalconductance substantially decreased.
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Эту запись предоставил National Agricultural Research Centre