omerelsheikh

omerelsheikh

مدرس - عضو هيئة تدريس

كلية العلوم

العنوان: Sohag

1

إعجاب

المنشورات و المؤلفات التي تحتوي علي الكلمة المفتاحية: biomonitoring


2018-11-24 23:34:01 الكلمات المفتاحية Stomata, , Dust, , biomonitoring, Air pollution, Ficus nitida,
Bio-monitoring of Airborne Dust Particles Pollutants by Morpho-anatomical Reactions of Urban Tree Leaves Under Dry Climate
THIS IS A MORO- ANATOMICAL study where Ficus nitida tree leaves from dust-affected street are compared with those of control from a pollution free site. Under the impact of dust particles, leaf sizes and specific leaf area are significantly smaller and stomatal density differs. Under pollution circumstances, visual symptoms including chlorosis /yellowish and dark spots on the adaxial surface of ... إقراء المزيد

2018-11-25 00:04:51 الكلمات المفتاحية biomonitoring, Radionuclides, Air pollution, urban trees, Eucalyptus,
BIO-MONITORING OF RADIONUCLIDES AIR POLLUTION USING physiological responses of urban trees
Contamination of environment by radionuclides in territories under urboecosystem conditions is an actual problem. The search for new express methods for radioactivity determination of environment is an important task of research. The present work evaluated the ability to use Eucalyptus globulus leaves to act as bio-monitor for environmental radionuclides air pollution. The accumulation features of radionuclides (226Ra, 232Th, 40K) in ... إقراء المزيد

Capture of particulate pollution by trees: a comparison of species typical of semi-arid area (Ficus nitida and Eucalyptus globules) with European and North American species
Particulate pollution is a serious concern in developed countries especially in urban and suburban areas where it has adverse effects on human health, exacerbating a wide range of respiratory and vascular illnesses. Data are now available which indicate that similar problems probably occur in countries in transition and may indeed be worse where national air quality standards have been neither ... إقراء المزيد

2018-11-09 17:10:28 الكلمات المفتاحية Ceratophyllum demersum, Bioaccumulation, Heavy metals, biomonitoring, Phytoremediation,
Heavy metal biomonitoring and phytoremediation potentialities of aquatic macrophytes in River Nile
The concentrations of Cd, Cu, Pb, and Zn in sediments, water, and different plant organs of six aquatic vascular plant species, _Ceratophyllum demersum_ L. _Echinochloa pyramidalis_ (Lam.) Hitchc. & Chase; _Eichhornia crassipes_ (Mart.) Solms-Laub; _Myriophyllum spicatum_ L.; _Phragmites australis_ (Cav.) Trin. ex Steud; and _Typha domingensis_ (Pers.) Poir. ex Steud, growing naturally in the Nile system (Sohag Governorate), were investigated. ... إقراء المزيد