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Qaagi - Book of Why

Causes

Effects

This process is directly caused by an increase of nutrients in aquatic systemscausingalgal blooms to occur

Natural Hypothesis Agricultural runoffcreatingalgal blooms Man

Nitrogen pollutioncan also leadalgal blooms that are toxic to humans

the geochemical conditions of the marine sedimentcausesalgal blooms when polluted

This will helppreventalgal blooms from occurring

Instead , learncausesalgal blooms in the first place

In eutrophic lakes , aeration has long been employed in developed countriesto preventalgal blooms from occurring

the nitrates , phosphates and other heavy metalscreatealgal blooms in the first place

A better approach ... the factorscausealgal blooms in the first place

that would otherwise end up in lakes or the oceancausingalgal blooms there

health risks if ingested , inhaled or touchedcan causehealth risks if ingested , inhaled or touched

in local de - oxygenation and fish killsresultingin local de - oxygenation and fish kills

use of surface water for drinking [ 50,51preventuse of surface water for drinking [ 50,51

toxicity in shellfishMeasures are on to monitor shellfish MANGALOREcausetoxicity in shellfishMeasures are on to monitor shellfish MANGALORE

fish kills 40causefish kills 40

usually during the warmer months of June to Octoberresultusually during the warmer months of June to October

in toxic dead zonesresultin toxic dead zones

from excessive deposits of nutrientsresultfrom excessive deposits of nutrients

in the death of aquatic plants due to depleted dissolved oxygenresultingin the death of aquatic plants due to depleted dissolved oxygen

difficultiesare causingdifficulties

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