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February 26, 2007
Published
June 21, 2007
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Abstract

Physico-chemical characteristics  of  water and  plankton were analysed from  four  paddy   fields,   irrigated by  a tributary  of  the  river Ravi,   near   Nagri   bus  stand,   Kathua, J&K,  during July,   2005  to September,  2005  have been  described.  Phytoplankton  has  shown  the  presence of  Chlorophyceae  (14  genera),  Bacillariophyceae (9 genera)  and  Cyanophyceae  (6  genera). The  order of  qualitative  dominance of  zooplankton  is  observed as Protozoa (10 genera and  31 species)  > Rotifera (8  genera and  9 species) > Arthropoda (8  genera, 8 species   and 3 larvae)  >  Annelida   (1 genus  and   I  species)  and>   Nematoda. Planktonic diversity  and   density   remained  low during  first  two  observations (preparation  of  fields and   seedlings transplantation).  Coefficient of  correlation (r)  of  phytoplankton  and  zooplankton,  with  the  various parameters  of  water,  is  insignificant.

Keywords

Planktonic Ecology Paddyfields Nagri bus stand Kathua.

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Dutta, S., Sharma, V., & Kaur, S. (2007). Ecology of plankton in some paddy fields, near Nagri bus stand, Kathua (J&K state). Environment Conservation Journal, 8(1&2), 45–67. https://doi.org/10.36953/ECJ.2007.081207
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