Your Fish Populations Healthy Healthy Fish Populations Big Fish Eat lots of high energy food and spend little energy getting it Many Fish Eggs survive Young find food and shelter Dont get eaten ID: 532923
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Slide1
Keeping
Your
Fish Populations
HealthySlide2Slide3Slide4Slide5
Healthy Fish PopulationsSlide6
Big Fish
Eat lots of high energy food and spend little energy getting it.Slide7
Many Fish
Eggs survive
Young find food and shelter
Don’t get eatenSlide8
Four Factors Affecting Fish Populations
Habitat
Introduced Species
Pollution
HarvestSlide9
Habitat
H
unt
, H
ide
,
Rest,
and R
eproduce
F
ood SourceSlide10
HabitatSlide11
Habitat
H
unt
, H
ide
,
Rest,
and R
eproduce
F
ood SourceSlide12
Introduced Species
Change habitat
Kill fish
Reduce food
Poor foodSlide13
Introduced Species
Change habitat
Kill fish
Reduce food
Poor foodSlide14
Pollution
Render Fish Unsafe
to eat
Change Available Food
Change
the
Habitat
Kill fishSlide15
Harvest
Loss of large fish
Remove more than can reproduce
Remove enough to
change the food webSlide16
QUESTIONS?