| تعداد نشریات | 286 |
| تعداد نشریات سازمان | 84 |
| تعداد شماره‌ها | 2,873 |
| تعداد مقالات | 32,555 |
| تعداد مشاهده مقاله | 42,418,952 |
| تعداد دریافت فایل اصل مقاله | 19,194,602 |
هیدرولوژی و هیدروبیولوژی رودخانه هراز ( سرخرود ) | ||
| مجله علمی شیلات ایران | ||
| مقاله 5، دوره 5، شماره 2، آذر و دی 1375، صفحه 43-63 اصل مقاله (1.42 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/isfj.1996.116297 | ||
| نویسنده | ||
| مژگان روشن طبری | ||
| چکیده | ||
| هیدرولوژی و هیدروبیولوژی رودخانه هراز ( سرخرود ) | ||
| کلیدواژه‌ها | ||
| هیدرولوژیو؛ هیدروبیولوژی؛ رودخانه هراز ( سرخرود ) | ||
| عنوان مقاله [English] | ||
| Hydrology and hydrobiology of the Haraz River | ||
| نویسندگان [English] | ||
| M. Roshantabari | ||
| چکیده [English] | ||
| The Haraz River (Sorkh roud) is situated in geographical long (52 ֯ 21 – 51 ֯ 21) and width (33 ֯ .26 - 36 ֯ .42). The area of watershed in lithosphere is 4045 km2. The water of river is supplied by surface water and underground water. The maximum of water debit occur in April and May. The water of Haraz River were used for irrigation of the most part of rice field. The survey showed that the value of oxygen is adequate for aquatic in throughout, and the pH is very weak alkaline and perhaps the weakest alkaline. The aquatic plants of river included four groups such as water side meadow; marginal plant, floating plant and submerged plant (weeds). The phytoplankton of river consist of 4 phylum, 21 families and 33 genus, also 7 order and 2 class or benthic organisms was identified. The river fishes belong to 20 species and 8 families. The fishes are populated of 30 percent immigrant and 70 percent native fish...... | ||
| مراجع | ||
|
| ||
|
آمار تعداد مشاهده مقاله: 186 تعداد دریافت فایل اصل مقاله: 163 |
||