文章基本信息

标题：The Length-weight Relationship, Condition Factor and Impact of Fluoride Concentration in Johnius belangerii of Arabian Sea
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作者：Rafia Azmat ; Rukhsana Talat ; Khalid Ahmed 等
期刊名称：Research Journal of Environmental Toxicology
印刷版ISSN：1819-3420
出版年度：2007
卷号：1
期号：3
页码：138-143
DOI：10.3923/rjet.2007.138.143
出版社：Academic Journals Inc., USA
摘要：This research has been designed to study the length-weight relationship of Johnius belangerii of Arabian Sea in relation with fluoride concentration. The purpose of study to measure the variation in condition from expected weight for length as an indicator of pollution. The Total Length (TL) and Total Weight (TW) were measured for hundred fish specimen collected by net with fisherman. Least-square regression of log₁₀W x log₁₀ TL produced the over all equation log W = -1.2681 +2.4486TL with the value of R² = 0.4701. Using the exponential form of the slope and y- intercept, relative condition factor for the fish can be calculated as K_n = 0.7928 +2x10^-3 TL (R² = 0.0408) and K_n = 0.9824 7x10^-6 TW (R² = 4x10^-6). Over all body condition of fish compared with condition ranges and growth in literature, showed the effect of concentration of fluoride on weight and length of fish. A statistically significant relation is observed in between fluoride concentration and condition.