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By Dr. P.K. Ghosh PS & Head (WM) ICAR Research Complex for NEH Region Umiam, Umroi Road, Meghalaya PowerPoint Presentation
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By Dr. P.K. Ghosh PS & Head (WM) ICAR Research Complex for NEH Region Umiam, Umroi Road, Meghalaya - PowerPoint PPT Presentation


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A Brief Account on Analysis of water & sediment in Umiam lake. By Dr. P.K. Ghosh PS & Head (WM) ICAR Research Complex for NEH Region Umiam, Umroi Road, Meghalaya. Morphometric features of Umiam reservoir. (a) Bay. (b) Lentic sector. Uses of lake.

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slide1

A Brief Account on Analysis of water & sediment

in Umiamlake

By

Dr. P.K. Ghosh

PS & Head (WM)

ICAR Research Complex for NEH Region

Umiam, Umroi Road, Meghalaya

slide3

(a) Bay

(b) Lentic sector

uses of lake
Uses of lake
  • Primarily it meant for Umtru-Umiam hydro-electric project.
  • There is no organized fishery in this reservoir.
  • Subsistence fishing by the local people is common.
  • About 200-250 anglers come to this reservoir daily for fishing.
  • The common carp, Cyprinus carpio is the predominant sps.
  • Boating is the main recreation found in this lake.
procedure
Procedure
  • The surface water samples were collected which were analyzed for various parameters like (Temperature, PH, dissolved oxygen, free CO2, total alkalinity, total hardness, total dissolved solids, chloride)
  • Water transparency was measured using a secchi disc.
  • Sediment samples were collected using Petersen grab.
  • The sediment samples were also analyzed for their chemical characteristics like PH, organic carbon, organic matter, total nitrogen, available nitrogen, available phosphorus and available potassium.
  • Plankton was collected using standard plankton net made of bolting silk cloth.
  • Pesticide residue is analysed using HPLC.
slide17

Fig: Solid wastes accumulate in the lotic sector

Fig: Pollution from river Umkrah