Research Article
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Year 2019, Volume: 12 Issue: 1, 13 - 20, 15.04.2019

Abstract

References

  • Amin, A. K. M. R., Ahammad, A. K. S., All Amin, M. H., Mehbub, M. F., Miah, M. M.U. (2010). Biodiversity study of SIS (Small Indigenous Species) of fish in Northwest part of Bangladesh and detection of threatened species. Biological Diversity and Conservation Journal, 3(1), 56-65.
  • Azrina, M. Z., Yap, C. K., Ismail, A. R., Ismail, A., Tan, S. G. (2006). Anthropogenic impacts on the distribution and biodiversity of benthic-macro invertebrates and water quality of the Langat river, Paninsular Malaysia. Ecotoxicology and Environment Safety. 64, 337- 347.
  • Hambright, K. D., Zohari, T. (2000). Phytoplankton species diversity control through competitive exclusion and physical disturbance. Limnology and Oceanography, 45, 110-122.
  • Hossain, M. R. A., Pramanic, M. M. H., Hasan, M. M. (2017). Diversity indices of phytoplankton communities in the river Meghna of Bangladesh. International Journal of Fisheries and Aquatic Studies, 5 (3), 330-334.
  • IUCN, Bangladesh. (2000). Red Book of Threatened Fishes of Bangladesh. IUCN-The World Conservation Union.
  • Lliopoulou-Georgudaki, J., Kantzatis, V., Katharios, P., Kaspiris, T., Montesantou, B. (2003). An application of different bioindicators for assessing water quality: a case study in the river salfeios and pineios. Ecology Indication. 2, 345-360.
  • Roy, U., Shaha, B. K., Mazhabuddin, K.H., Haque, H., Sarower, M. G. (2010). Study the diversity and seasonal variationof zooplankton in brood pond, Bangladesh. Marine research Aquaculture, 1 (1), 30-37.
  • Yazdian, H., Zaafarzadeh, N., Zahraie, B. (2014). Relationship between benthic macro-invertebrate bio-indices and physico-chemical parameters of water: a tool for water resources managers. Journal of Environmental Health Science and Engineering, 12 (1), 30.

Study the diversity and seasonal variations of endangered fishes, plankton and benthos in Kanchan river of Dinajpur

Year 2019, Volume: 12 Issue: 1, 13 - 20, 15.04.2019

Abstract

This research work was carried out from February to June, 2018 to monitor the present status of endangered fishes, productivity and overall health status of Kanchan river situated in Dinajpur district. Water and sediment samples were collected twice in a month during the study period from the selected five different sampling sites along with required information about the availability of threatened fishes. The findings noted over 28 available threatened fish species in Kanchan river including several commonly available threatened fishes (Endangered: Acanthocobitisbotia, Somileptesgongota, Botiadario, Botialohachata, Bariliustileo, Barilusbengalensisetc.; Critically endangered: Channabarca, Labeonandina, Clupisomagaruaetc.) which are very rear in nationwide. Common planktonic flora and fauna of this riverine ecosystem were also identified. In the river several phytoplankton (Asterionella sp., Tabellaria sp., Clostridium sp. etc.) and zooplankton (Brachionus sp.) were monitored as season specific. Abundance of plankton were analyzed statistically significant (p <0.05) in different seasons. Plankton counting detected comparatively lower (23,000 per liter) and higher (39,000 per liter) numbers in the month of February and June, respectively. The observed benthic fauna of Kanchan river possessed 22 species of macro-benthos from different groups. Monitored minimum temperature (21.5 ºC) was recorded in the month of February and it was maximum in the month of June (30.5 ºC). These results suggested that productivity indicators (availability of planktonic flora and fauna including benthos) were better in the early monsoon season than the pre-monsoon season. Similarly, better ecosystem health (temperature, dissolve oxygen and availability of plankton) was also observed in early monsoon season. Seasonal variations of water temperature and dissolved oxygen were visualized significant (p <0.05). Finally, this study findings recommended to stop all manmade interventions for the better health of this riverine ecosystem as well as to take necessary actions for conserving the commonly available endangered and critically endangered fishes of Kanchan river.

References

  • Amin, A. K. M. R., Ahammad, A. K. S., All Amin, M. H., Mehbub, M. F., Miah, M. M.U. (2010). Biodiversity study of SIS (Small Indigenous Species) of fish in Northwest part of Bangladesh and detection of threatened species. Biological Diversity and Conservation Journal, 3(1), 56-65.
  • Azrina, M. Z., Yap, C. K., Ismail, A. R., Ismail, A., Tan, S. G. (2006). Anthropogenic impacts on the distribution and biodiversity of benthic-macro invertebrates and water quality of the Langat river, Paninsular Malaysia. Ecotoxicology and Environment Safety. 64, 337- 347.
  • Hambright, K. D., Zohari, T. (2000). Phytoplankton species diversity control through competitive exclusion and physical disturbance. Limnology and Oceanography, 45, 110-122.
  • Hossain, M. R. A., Pramanic, M. M. H., Hasan, M. M. (2017). Diversity indices of phytoplankton communities in the river Meghna of Bangladesh. International Journal of Fisheries and Aquatic Studies, 5 (3), 330-334.
  • IUCN, Bangladesh. (2000). Red Book of Threatened Fishes of Bangladesh. IUCN-The World Conservation Union.
  • Lliopoulou-Georgudaki, J., Kantzatis, V., Katharios, P., Kaspiris, T., Montesantou, B. (2003). An application of different bioindicators for assessing water quality: a case study in the river salfeios and pineios. Ecology Indication. 2, 345-360.
  • Roy, U., Shaha, B. K., Mazhabuddin, K.H., Haque, H., Sarower, M. G. (2010). Study the diversity and seasonal variationof zooplankton in brood pond, Bangladesh. Marine research Aquaculture, 1 (1), 30-37.
  • Yazdian, H., Zaafarzadeh, N., Zahraie, B. (2014). Relationship between benthic macro-invertebrate bio-indices and physico-chemical parameters of water: a tool for water resources managers. Journal of Environmental Health Science and Engineering, 12 (1), 30.
There are 8 citations in total.

Details

Primary Language English
Subjects Conservation and Biodiversity
Journal Section Research Articles
Authors

A.k.m.rohul Amin This is me

Mahamud Alam This is me

Muhammad Badruzzaman This is me

Shafiullah Abbus This is me

Publication Date April 15, 2019
Submission Date September 20, 2018
Acceptance Date April 15, 2019
Published in Issue Year 2019 Volume: 12 Issue: 1

Cite

APA Amin, A., Alam, M., Badruzzaman, M., Abbus, S. (2019). Study the diversity and seasonal variations of endangered fishes, plankton and benthos in Kanchan river of Dinajpur. Biological Diversity and Conservation, 12(1), 13-20.

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