الأخطار البيئية لنبات ورد النيل في مجري فرع دمياط : دراسة في الجيومرفولوجية البيئية باستخدام نظم المعلومات الجغرافية و الاستشعار عن بعد

Abstract EN

The Water hyacinth plant is a perennial aquatic herb that lives in fresh water, and the Nile rose plant or Water hyacinth is scientifically known as Eichhornia and belongs to the Ponteederiaceae family, which is subject to the night order Liliales, and all types of this family are aquatic plants found in fresh water in greenhouse areas on the surface of the earth.

The surface area of the plant has increased by 6- 10% per day, and the area it covers has doubled every about 6 days, and the plant can grow with great density, thickness and cohesion strength so high that a person can walk over it, and the hazards of the plant to the hydrological and hydraulic properties of the stream The branch, the fish environment, the public health, the water quality of the branch, the water loss rates, as well as the geomorphological hazards where sedimentation processes increase