1- تكون بحيرات من المياه الراكدة دو

1- تكون بحيرات من المياه الراكدة دون استثمار ، ودون توجيهات،مما يجعلها منبعا للأمراض الوبائية للناس والماشية
2- ارتفاع نسبة الملوحة بالتربة بسبب استنزاف مياه الآبار، وافتقار تلك الأراضي إلى السيول التي تجدد خصوبتها،
3- قتل البيئة وخراب الطبيعة بسبب مياه السدود التي من خلالها تموت الأشجار والحشائش على أطراف الوديان.
4-موت معظم الأشجار المثمرة
5- التكلفة العالية لهذه السدود ، دون مردود اقتصادي على المزارع أو على الوطن. فكأنما مشاريع السدود بهذه الكثافة ودون دراسات مجدية- يأتي بمثابة استنزاف أموال الدولة،وإهدار لجهود المسؤولين بلا ثمن .
6- زيادة كميات المياه المتبخرة وتؤثر على الحياة الفطرية في المنطقة ونوعية ومنسوب المياه الجوفية.
7- تأثر خصائص ونوعية المياه لمنطقة حوض السد ومنطقة اسفل السد.
8- تأثر العديد من الحيوانات بسبب تغير في دورتها الطبيعية.
9- ترسب الطمي والمواد العضوية الصالحة للزراعة في حوض السد.
عندما يتم بناء السد والمزرعة تكون موجودة على الوادي، بالتالي يمنع السد الماء من الوصول، فمن المؤكد أن المزارع ومزرعته سيلحقهما الضرر.
ومن السلبيات للسد أنه يقضي على الرواسب الحصوية التي تستخدم في عمل الصبات الخرسانية.

Results (English) 2:

1. be lakes of stagnant water without investment, without guidance, making it a source of epidemic diseases to people and livestock
2. high salinity soil due to the depletion of water wells, and the lack of those lands to the floods , which renewed its fertility,
3. kill the environment and the destruction of nature because of the dams that which die of trees and grass on the edge of the valleys.
4-die Most fruit trees
5. The high cost of these dams, without an economic impact on farms or at home. As if dam projects such density without Magdih- studies come as a drain state funds, wasting the efforts of officials without a price.
6. Increase the amount of water evaporated and the impact on wildlife in the area and the quality and level of groundwater.
7. influenced by the characteristics and quality of water for the basin dam and the area downstream of the dam.
8. influenced many animals because of a change in its natural state .
9. deposition of silt and organic material suitable for agriculture in the basin of the dam.
When the construction of the dam and the farm be located on the valley, thus preventing the water from the dam to reach, it is certain that the farm and ranch Selhgahma damage.
It negatives to plug it eliminates gravel deposits which are used in the work Casts concrete.

Results (English) 3:

1. The lake of stagnant water without investment, and guidance, making it a source of infectious diseases for people and livestock.2. The increase of salinity soils due to drain rainwater, flood land and renew soil3. The killing of the environment and the destruction of nature caused by dams and water through which the dying trees and grass on the edges of the valleys.4. The death of most fruit trees.5. The high cost of the dam, the economic returns to farm or on the country. It is as if the dam projects with such intensity and meaningful. The study comes as a drain, waste of state funds for those without one eighth.6. Increase the amount of water, affect wildlife in the area, and the quality of the ground water table.7. The affection of water quality characteristics for the basin dam and the downstream of the dam.8. Many animals is affected by a change in its nature.9. The deposition of silt and organic matter suitable for planting in a dam.When the dam is built and the farm is located in the valley, and thus prevents the dam water access, it is certain that Wmzrth farm Sylhqhma damage.The drawbacks of the dam that eliminates the gravel deposits which are used for the poured concrete.