نتایج جستجو برای: catch time
تعداد نتایج: 1901679 فیلتر نتایج به سال:
non-commercial fish species of shrimp trawls were studied monthly from october 2005 to september 2006 in mahshahr creeks (darvish, doragh, bihad, ghazaleh, ghanam, zangi and patil). the trawl nets had a cod-end mesh size of 24mm. total catch was 6431 individuals weighing 55.5kg, and included 14 species of non-commercial fish species belonging to 14 families. the caught shrimp species were from ...
The paper was conducted to assess the importance and challenges encountered in the current machine evaluation system in an electronics company as perceived by the respondents. In addition, it also sought to understand the acceptability of the new developed Real-Time Auto-locked Software for Electronics Company (RT-ASEC). The new automated machine evaluation software can detect any irregular mac...
pomegranate fruit moth (pfm), apomyelois ceratoniae zeller is a major pest of pomegranate in iran. in this study, the effect of four diets including pistachio, pomegranate, semi-artificial and artificial diets were studied on biological parameters of pfm in a growth chamber under controlled conditions at 30 ± 2 °c, 65 ± 5% rh and 16:8 (l: d) h. the results demonstrated that the longest incubati...
Knowledge of fish diversity, population data and the stock size, and calculation of the amount of proper catch are essential for a wise and sustainable management of lakes. This research reports a study on fish populations in Dorudzan reservoir, Fars Province. The fish were sampled from three stations in the late Summer and mid Spring 2015, three days each, using nylon gill nets. The mean lengt...
In this study, the catch composition and the catch per unit effort (CPUE) of sturgeon spawners caught by the gill net were investigated in the fishing grounds of Mazandaran province in two regions 3 and. Sampling and data collection of sturgeon spawning fish was done seasonally from 7 fishing grounds using gill nets with a mesh size of 150 mm. The results of the Chi-square test showed that the...
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