Population Parameters and Exploitation Status of Clown Knifefish Notopterus chitala (Hamliton, 1822) from Indus River, Pakistan
نویسندگان
چکیده
منابع مشابه
Structure and Function of the Auditory System in the Clown Knifefish, Notopterus Chit Ala
Hearing sensitivity and the anatomy of the auditory system in the clown knifefish, Notopterus chitala, were studied using behavioural techniques and scanning electron microscopy. While many structural features of the inner ear were similar to those found in other teleost species, the saccular endorgan in Notopterus was unusual in having three discrete epithelial regions. These regions could be ...
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چکیده با توسعه شهر نشینی و دخل و تصرف غیر مجاز در حریم رودخانه ها خسارات زیادی به رودخانه و محیط زیست اطراف آن وارده می شود. در حال حاضر بر اساس آئین نامه اصلاح شده بستر و حریم رودخانه ها، حریم کمی رودخانه که بلافاصله پس از بستر قرار می گیرد از 1 تا20 متر از منتهی الیه طرفین بستر رودخانه تعیین، که مقدار دقیق آن در هر بازه از رودخانه مشخص نیست. در کشورهای دیگر روشهای متفاوتی من جمله: درصد ریسک...
15 صفحه اولMulti-Sensor Imaging and Space-Ground Cross-Validation for 2010 Flood along Indus River, Pakistan
Flood monitoring was conducted using multi-sensor data from space-borne optical, and microwave sensors; with cross-validation by ground-based rain gauges and streamflow stations along the Indus River; Pakistan. First; the optical imagery from the Moderate Resolution Imaging Spectroradiometer (MODIS) was processed to delineate the extent of the 2010 flood along Indus River; Pakistan. Moreover; t...
متن کاملMultispectral Remotely Sensed Models for Monitoring Suspended Sediment: A Case Study of Indus River, Pakistan
Soil erosion is a widespread problem causing the deterioration of both land and water resources. The water quality and quantity “Q and Q” connection is vital for sustainable water resources development and management. The prime objective of the research work is to quantify suspended sediment concentrations in surface waters by means of ALOS and ASTER satellite data. In this research work multis...
متن کاملa comparative study of the histoarchitecture of endocrine pancreas in labeo bata (hamilton, 1822), sperata aor (hamilton, 1822) and chitala chitala (hamilton, 1822)
the disposition and cellular organization of the endocrine pancreas were studied in three species of freshwater teleosts viz., labeo bata (hamilton, 1822), sperata aor (hamilton, 1822) and chitala chitala (hamilton, 1822) using histological techniques. in l. bata, the endocrine pancreas tissues were mainly distributed in the adipose tissue among the intestinal coils and adjacent to extrahepatic...
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ژورنال
عنوان ژورنال: Pakistan Journal of Zoology
سال: 2021
ISSN: 0030-9923
DOI: 10.17582/journal.pjz/20200615120649