Effects of thermal pollution

Dissolved oxygen concentrations

Maximum amount of oxygen that can dissolve in water is controlled by the temperature

DO

Dissolved Oxygen

Most _____ organisms will be killed by high temperatures because proteins like enzymes are denatured

Aquatic

Most aquatic organisms will be _____ by high temperatures because proteins like enzymes are denatured

Killed

Most aquatic organisms will be killed by _____ temperatures because proteins like enzymes are denatured

High

Most aquatic organisms will be killed by high temperatures because _____ like enzymes are denatured

Proteins

Most aquatic organisms will be killed by high temperatures because proteins like _____ are denatured

Enzymes

Most aquatic organisms will be killed by high temperatures because proteins like enzymes are _____

Denatured

Thermophilic

‘Heat-loving’ organisms that can survive above 40°C

At _____°C a litre of water holds a maximum of 6cm3 of DO (less than 3% of the amount found in air)

20

At 20°C a _____ of water holds a maximum of 6cm3 of DO (less than 3% of the amount found in air)

Litre

At 20°C a litre of water holds a maximum of _____cm3 of DO (less than 3% of the amount found in air)

6

At 20°C a litre of water holds a maximum of 6cm3 of DO (less than _____% of the amount found in air)

3

Some _____ organisms are often near the lower end of their range of tolerance for DO. An increase in temperature may cause oxygen to come out of solution, leading to the death of sensitive organisms.

Aquatic

Some aquatic organisms are often near the _____ end of their range of tolerance for DO. An increase in temperature may cause oxygen to come out of solution, leading to the death of sensitive organisms.

Lower

Some aquatic organisms are often near the lower end of their _____ _____ _____ for DO. An increase in temperature may cause oxygen to come out of solution, leading to the death of sensitive organisms.

Range of tolerance

Some aquatic organisms are often near the lower end of their range of tolerance for DO. An _____ _____ _____ may cause oxygen to come out of solution, leading to the death of sensitive organisms.

Increase in temperature

Some aquatic organisms are often near the lower end of their range of tolerance for DO. An increase in temperature may cause oxygen to come _____ _____ _____ , leading to the death of sensitive organisms.

Out of solution

Some aquatic organisms are often near the lower end of their range of tolerance for DO. An increase in temperature may cause oxygen to come out of solution, leading to the _____ of sensitive organisms.

Death

Some aquatic organisms are often near the lower end of their range of tolerance for DO. An increase in temperature may cause oxygen to come out of solution, leading to the death of _____ _____ .

Sensitive

_____ _____ _____ of many organisms, so more energy is used, leaving less surplus energy for growth

Increased metabolic rates

Increased metabolic rates of many organisms, so _____ energy is used, leaving less surplus energy for growth

More

Increased metabolic rates of many organisms, so more energy is used, leaving _____ _____ _____ for growth

Less surplus energy

Increased metabolic rates of many organisms, so more energy is used, leaving less surplus energy for _____

Growth

_____ rate of development of eggs so they hatch earlier

Increased

Increased _____ _____ _____ of eggs so they hatch earlier

Rate of development

Increased rate of development of _____ so they hatch earlier

Eggs

Increased rate of development of eggs so they _____ _____

Hatch earlier

_____ _____, introduced from habitats with warmer climates may thrive and out-compete indigenous species

Non-indigenous species

Non-indigenous species, _____ from habitats with warmer climates may thrive and out-compete indigenous species

Introduced

Non-indigenous species, introduced from habitats with _____ _____ may thrive and out-compete indigenous species

Warmer climates

Non-indigenous species, introduced from habitats with warmer climates may _____ _____ _____ indigenous species

Thrive and out-compete

Non-indigenous species, introduced from habitats with warmer climates may thrive and out-compete _____ _____

Indigenous species

_____ _____ is often greater as toxins are metabolised more rapidly

Pollutant toxicity

Pollutant toxicity is often _____ as toxins are metabolised more rapidly

Greater

Pollutant toxicity is often greater as _____ are metabolised more rapidly

Toxins

Pollutant toxicity is often greater as toxins are _____ more rapidly

Metabolised

Pollutant toxicity is often greater as toxins are metabolised more _____

Rapidly

_____ to disease may be reduced

Resistance

Resistance to _____ may be reduced

Disease

Resistance to disease may be _____

Reduced