water pollution and plants

Water Pollution Water Pollution and Plantsand Plants

rdquordquoThe thing that surprises me The thing that surprises me

is the way in which some organisms feed is the way in which some organisms feed

themselves by converting inorganic themselves by converting inorganic

compounds into organic compounds into organic

material using an extraterrestrial material using an extraterrestrial

source of energyrdquosource of energyrdquo

Photosynthesis

The Importance The Importance Sustains all Sustains all breathingbreathing creatures creatures Converts every year 100 billion COConverts every year 100 billion CO22 t in t in biomassbiomass = =

source of organic compounds for all consumerssource of organic compounds for all consumers Produces Produces OO33

Consumes COConsumes CO22

Converts solar energy Converts solar energy chemical energychemical energy transferred to all food chains links transferred to all food chains links

Reduce the greenhouse effect

Forests are ImportantForests are Important They are They are fixingfixing thethe soilsoil Creates Creates habitatshabitats Absorbing 23Absorbing 23 of CO of CO2 2 from atmospherefrom atmosphere Produces Produces OO22

DeforestationDeforestation- - landslideslandslides- - greenhousegreenhouse effecteffect

Chopping 26 forest Ha minChopping 26 forest Ha min

Disturbances of Disturbances of PhotosynthesisPhotosynthesis

InorganicInorganic

OrganicOrganic

Biologic Biologic

Physical Physical

Radioactive Radioactive

ThermalThermal

Pollution

Inorganic PollutionInorganic Pollution

Causeswaste in water of

- Nitrates phosphats- Metals (Pb Cu Zn Cr Ni Hg)- Solid substances- Insecticides

SourcesSources

chemical fertilizerswashing agentsfactories evacuation

fumesmines

Inorganic Pollution Effects Inorganic Pollution Effects

- organisms intoxication (heavy metals)- acid rain- pH variations

acid metals solubility and toxicity increase basic cyanide and phenols stability and toxicity

increase- speed current modification influences

- gas exchanges- substances diffusion level

Acid RainAcid Rain

CausesCauses

- - naturalnatural- volcanic gases- volcanic gases- lightning bolts- lightning bolts

- - man mademan made- thermo electric plants- thermo electric plants- vehicles- vehicles

EffectsEffects

- trees lose - trees lose leafsleafs and die and die

- - chlorophylls alterationchlorophylls alteration

rarr rarr reduces reduces photosynthesisphotosynthesis

- - ldquoldquowasheswashes the soil of nutritive substances (Ca Mg K) the soil of nutritive substances (Ca Mg K)

Chemical reactionsChemical reactions

- - SOSO22 rarr H rarr H22SOSO44 - SO- SO22 + OH rarr HOSO + OH rarr HOSO22

- HOSO- HOSO22+O+O22rarrHrarrH22O+SOO+SO33

- SO- SO33 + H + H22O rarr HO rarr H22SOSO44

- - NONO22 rarr HNO rarr HNO33 - NO- NO22 + H + H22O rarr HNOO rarr HNO33

Organic PollutionOrganic PollutionContaminantsContaminants bull bull Hydrocarbons (oil leaks )Hydrocarbons (oil leaks ) bull bull Insecticides si pesticidesInsecticides si pesticides

(aerial pulverized)(aerial pulverized) bullbull Marine biological toxins Marine biological toxins bullbull Washing agentsWashing agents bull bull Waste waters Waste waters

Organic Contaminants EffectsOrganic Contaminants Effects

- - Organic substancesOrganic substances of natural source rarrconsumes the oxygen (O2) from water

- Hard biodegradable substances (oil products fats)rarr aquatic organisms intoxicationrarr prevention of light rarr reduces photosynthesis

-Washing agents - rarr prevents light

rarr limits gases exchanges rarr destroys aerobic bacteria rarr reduces the

decomposition process - Pesticides accumulates in aquatic plants rarrflorarsquos damage - Fertilizers rarr 1 Ha of land pulverized with pesticides

= 400 kg soluble substances = 1 kg N year rarr environment incompatible with life

SourcesSources

- - FoodFood industry industry - - PaperPaper industry industry - - FermentingFermenting

EffectsEffects

eutrophicationeutrophication

anaerobic decompositions anaerobic decompositions

bacteriological contami-bacteriological contami-

nation of plantsnation of plants

Biologic PollutionBiologic Pollution

CausedCaused by the by the presence of presence of micro micro

organismsorganisms in water in water (pathogenic agents)(pathogenic agents)

EutrophicationEutrophicationCausesCauses Rise of the number of Rise of the number of micro organismsmicro organisms in a in a

lake river or sealake river or sea FertilizersFertilizers Waste watersWaste waters Hot waterHot water Climate Geological changesClimate Geological changes Phosphorus (P)Phosphorus (P)

EffectsEffects Oxygen level decreaseOxygen level decreaseFloras deathFloras deathProhibitionProhibition of any activities on lakes of any activities on lakes Massive Massive plankton developmentplankton development

Producing Producing poisonous gasespoisonous gases Fighting againstFighting against Damage Damage water qualitywater quality

EliminatingEliminating PhosphorusPhosphorus 90 efficiency 90 efficiency

Creating of a Creating of a tampon zonetampon zone between field and between field and waterwater

Wastes disposal technologiesWastes disposal technologies

Using Using natural fertilizersnatural fertilizers

Physical PollutionPhysical Pollution

Produced byProduced by

- soil erosion- soil erosion

- - deforestationdeforestation

- landslide- landslide

- - ionic radiationsionic radiations

- solide particles - solide particles EffectsEffects- blocked rivers- blocked rivers- aquatic plants death - aquatic plants death - river speed modification- river speed modification

- changed aeration- changed aeration

Radioactive Pollution The presence of radioactive materials in water or living

organisms

Sources Radioactive sediment Waters used in nuclear atomic plants Radioactive wastes (H3 tritium) Nuclear explosions Radioactive miner exploitation

Small doses temporary stimulate the metabolismLarge doses

rarr gradual damage of the organism

rarr genetic mutation

Thermal PollutionThermal Pollution

Is the artificial temperature modificationIs the artificial temperature modification

SourcesSources- - cold water disposalscold water disposals - oil refinery poza fabrica- oil refinery poza fabrica- plants- plants- - foundriesfoundries- industrial hot waterindustrial hot water waste waste

Thermal Pollution EffectsThermal Pollution Effects

Changes the Changes the plants metabolismplants metabolismCauses cellular adverse reactionsCauses cellular adverse reactions

- reduces the - reduces the cellular walls cellular walls permeabilitypermeability

- - coagulationcoagulation of proteins of proteins

- the - the enzimatic activity enzimatic activity change change

Cold WaterCold Water

- - faunafauna and and floraflora are modified reduced are modified reduced

Hot waterHot water- decreases O- decreases O22 level level - slows down waters - slows down waters self cleaningself cleaning procedure procedure - - eutrophicationeutrophication- increases toxicity level of wastes - increases toxicity level of wastes

- - thermal shockthermal shock rarr rarr death of some death of some organismsorganisms

Ways of Stopping Ways of Stopping Thermal Pollution Thermal Pollution

waters cooling artificial lakesrecycling Q cooling towers Q wastes atmosphererarr

Accomplished byAccomplished byDDănilă Radu X class Constantin Noicaănilă Radu X class Constantin Noica

Highschool SibiuHighschool Sibiu

Coordinators teachersCoordinators teachers

Roman Bianca Roman Bianca - Biology- Biology

Trif Raluca Trif Raluca - English - English

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rdquordquoThe thing that surprises me The thing that surprises me

is the way in which some organisms feed is the way in which some organisms feed

themselves by converting inorganic themselves by converting inorganic

compounds into organic compounds into organic

material using an extraterrestrial material using an extraterrestrial

source of energyrdquosource of energyrdquo

Photosynthesis










InorganicInorganic

OrganicOrganic

Biologic Biologic

Physical Physical


ThermalThermal

Pollution




SourcesSources


fumesmines






Acid RainAcid Rain

CausesCauses



EffectsEffects



















SourcesSources


EffectsEffects

























organisms
























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InorganicInorganic

OrganicOrganic

Biologic Biologic

Physical Physical


ThermalThermal

Pollution




SourcesSources


fumesmines






Acid RainAcid Rain

CausesCauses



EffectsEffects



















SourcesSources


EffectsEffects

























organisms
























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SourcesSources


fumesmines






Acid RainAcid Rain

CausesCauses



EffectsEffects



















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EffectsEffects

























organisms
























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Acid RainAcid Rain

CausesCauses



EffectsEffects



















SourcesSources


EffectsEffects

























organisms
























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EffectsEffects



















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EffectsEffects

























organisms
























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SourcesSources


EffectsEffects

























organisms
























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organisms
























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water pollution and plants

Education