ABSTRACT

The present study was conducted in a perennial stream in the Barog Hills (District Solan), Himachal Pradesh to study the variations in the monthly macroinvertebrate density in accordance to temperature and dissolved oxygen. Water temperature and dissolved oxygen were found to be negatively correlated (r = -0.83, p<0.01). Negative correlation was observed between macroinvertebrate density and temperature at Barog (r = -0.07).Decrease in dissolved oxygen and increase in temperature indicates stressful conditions for the macroinvertebrates to survive. Pollution should be checked as these macroinvertebrates act as bioindicators and food for higher trophic levels such as fishes. Keywords: Macroinvertebrate density and temperature, Barog Hills (District Solan), Himachal Pradesh

https://ijbpas.com/pdf/2018/January/1514650313MS IJBPAS 2017 4325.pdf

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