Primary Productivity in Relation to Planktonic Biodiversity in a Stretch of Gang Canal (Rajasthan)
Journal Title: Universal Journal of Environmental Research and Technology - Year 2013, Vol 3, Issue 2
Abstract
The primary productivity of any aquatic ecosystem depends on the planktonic biodiversity. The estimation of primary productivity of a water body helps in measuring its ability to support a biological population and sustain a level of growth and respiration. It is the most important of all biological phenomena on which the entire diverse life depends directly or indirectly. The phytoplankton of Gang canal comprises of 16 species belonging to 15 genera. Out of these, 8 species belong to Bacillariophyceae, 5 to Chlorophyceae, 2 to Myxophyceae and 1 to Xanthophyceae. The present investigation was carried out to estimate the primary productivity of Gang canal. The annual yield at the four stations, of Gang canal gives the average GPP as 0.132gc/m3/hr at station 1 while NPP was 0.089gc/m3/hr. At station 2, the corresponding values were 0.130 and 0.088gc/m3/hr respectively. At stations 3 and 4 the average GPP values were 0.118 and 0.119gc/m3/hr respectively, while the NPP was 0.08gc/m3/hr on both the stations. The overall average values for the GPP and NPP in the Gang canal, based on the data of all the four stations were 0. 124gc/m3/hr as GPP and 0.084gc/m3/hr as NPP (Table 1.3).
Authors and Affiliations
R. K. Bishnoi, B. K. Sharma, V. S. Durve and L. L. Sharma
Keywords
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