نتایج جستجو برای: shad
تعداد نتایج: 396 فیلتر نتایج به سال:
Riedel, R., L.M. Caskey and S.H. Hurlbert. 2007. Length-weight relations and growth rates of dominant fishes of the Salton Sea: implications for predation by fish-eating birds. Lake Reserv. Manage. 23:528-535. The Salton Sea is the largest lake in California. Inflows are primarily from agricultural runoff, which render it eutrophic and able to support extensive fisheries. The lake and its surro...
We used 40 ± 5 nm gold nanoparticles (GNPs) as colorimetric sensor to visually detect swine-specific conserved sequence and nucleotide mismatch in PCR-amplified and non-amplified mitochondrial DNA mixtures to authenticate species. Colloidal GNPs changed color from pinkish-red to gray-purple in 2 mM PBS. Visually observed results were clearly reflected by the dramatic reduction of surface plasmo...
The present research analysed the challenges and effectiveness of using SHAD social network in COVID-19 era from perspective teachers, parents, students middle schools Tehran. sample size for qualitative was based on theoretical saturation, data were collected through purposive judgements snowball techniques. Thematic analysis used to consider 75 interviews. Eight themes attained 43 subcategori...
This study reviewed the validity of using scales Hilsa Shad (Tenualosa ilisha) and other migratory species as a tool to estimate age, growth, maturity schedule migration. were used long ago, proved in several studies. Most these studies showed that could give valuable information, which be benchmarks fisheries plans for future successful management policies. Bt it needs Patience precision extra...
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