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INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT International Peer Reviewed & Refereed Journals, Open Access Journal ISSN Approved Journal No: 2456-4184 | Impact factor: 8.76 | ESTD Year: 2016 Scholarly open access journals, Peer-reviewed, and Refereed Journals, Impact factor 8.76 (Calculate by google scholar and Semantic Scholar | AI-Powered Research Tool) , Multidisciplinary, Monthly, Indexing in all major database & Metadata, Citation Generator, Digital Object Identifier(DOI) |
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| Paper Title: | Assessment of Primary Productivity in Burhi Gandak river at Muzaffarpur, Bihar: A Comprehensive Study |
| Authors Name: | Nusrat khanam , Anil Kumar Singh |
| Download E-Certificate: | Download |
| Author Reg. ID: |
IJNRD_212546
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| Published Paper Id: | IJNRD2401182 |
| Published In: | Volume 9 Issue 1, January-2024 |
| DOI: | |
| Abstract: | The Burhi Gandak River near Muzaffarpur (26.1197° N, 85.3910° E) has a significant yearly fluctuation in phytoplankton primary production, as this study reveals. Three carefully chosen locations (A, B, and C) were close to Ashram Ghat and separated by 100 meters. Site B was selected as a Control site due to receiving direct urban municipal effluent to the river. For two years (2021–2022), monthly analyses were carried out. The gross primary productivity (GPP) ranged from 4.47 to 5.54 mg/hr on average; the gross primary productivity minus autotrophic respiration ranged from -0.38 to 1.01 mg/hr, and the community respiration (CR) ranged from 2.13 to 3.11 mg/hr. For both observation years, the proportion of GPP ranged from 58.44% to 75.47%, while the ratio of NPP to GPP varied from -0.16 mg/hr to 0.29 mg/hr. Growing nutrient (pollutant) levels and environmental conditions have been identified as critical elements influencing GPP, NPP, and CR in the river. A comparative analysis among the sites revealed noteworthy patterns. In the first year, sites A and B recorded an identical average GPP of 4.47 mg/hr, surpassing C (4.35). Conversely, in the subsequent year, C exhibited the highest GPP (5.54) compared to A (4.69 mg/hr) and B (5.05 mg/hr). NPP showed intriguing disparities, with the lowest value recorded at C (-0.38 mg/hr) in the first year compared to A (1.01 mg/hr) and B (0.001 mg/hr). In the second year, C demonstrated the highest NPP (0.95 mg/hr) followed by A (0.78 mg/hr) and B (0.40 mg/hr). Similarly, community respiration (CR) varied, with C registering the maximum (3.02 mg/hr) and A the minimum (2.13 mg/hr) in the initial year. In the following year, A recorded the highest (3.13 mg/hr), B (3.11 mg/hr), and C the lowest (2.98 mg/hr). The ratio of NPP to GPP peaked at A (0.28 mg/hr) in 2021 and at A (0.29 mg/hr) in 2022, with the lowest at C (-0.16 mg/hr) and B (0.11 mg/hr), respectively. The percentage of GPP displayed a range from the lowest at C (69.46%) to the highest at A (75.47%) in the first year and from the lowest at C (58.44%) to the highest at A (66.86%) in the subsequent year. This research underscores the dynamic interplay of environmental factors and pollutant levels influencing phytoplankton primary production at selected sites. The findings contribute to a nuanced understanding of the ecological dynamics and effect of pollutants in the Burhi Gandak River different sites. |
| Keywords: | Ashram Ghat, Monthly variation, Muzaffarpur, phytoplankton primary production. |
| Cite Article: | "Assessment of Primary Productivity in Burhi Gandak river at Muzaffarpur, Bihar: A Comprehensive Study", International Journal of Novel Research and Development (www.ijnrd.org), ISSN:2456-4184, Vol.9, Issue 1, page no.b728-b738, January-2024, Available :http://www.ijnrd.org/papers/IJNRD2401182.pdf |
| Downloads: | 000118765 |
| ISSN: |
2456-4184 | IMPACT FACTOR: 8.76 Calculated By Google Scholar| ESTD YEAR: 2016 An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.76 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator |
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Published Paper ID:IJNRD2401182 Registration ID: 212546 Published In: Volume 9 Issue 1, January-2024 DOI (Digital Object Identifier): Page No: b728-b738 Country: Muzaffarpur, bihar, India Research Area: Environmental Management Publisher : IJ Publication Published Paper URL : https://www.ijnrd.org/viewpaperforall?paper=IJNRD2401182 Published Paper PDF: https://www.ijnrd.org/papers/IJNRD2401182 |
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