SAVE THE OCTOPUSES!!!
Published on Feb 05, 2016
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PRESENTATION OUTLINE
More octopuses have immigrated into another octopus' habitat, and there aren't enough resources.
Photo by mugley
This has caused overpopulation.
Photo by hermitsmoores
Because of overpopulation, niches have to be formed. One niche would be that some octopuses hunt during the day and some hunt at nighttime.
Overpopulation can result in octopuses dying from starvation.
Photo by Morten Brekkevold
A new predator, the dolphin, comes to the octopus ecosystem.
Photo by sagriffin305
The dolphins and octopuses have a commensalistic relationship; only the dolphins benefit.
Photo by W. Tipton
The octopus is food for the dolphins, resulting in killing octopuses, and hurting the population.
Photo by pedrik
As a result of new dolphins, the octopus has to camouflage more to avoid the predator.
Not all octopuses can survive, causing a decrease in population.
A long time ago, the octopus population emigrated into it's current ecosystem due to a decrease in food.
The octopus adapted to this environment by growing suckers, which helps them suction onto surfaces and move more easily.
Photo by albategnius
To adapt to the new food sources, the octopus gained better tentacles to grab prey better.
Photo by epicserve
An invasive species, the zebra mussel, has taken hold in the octopus ecosystem.
The increase of Zebra mussels has resulted in a decrease of other native mussel species.
The decrease in native mussels has resulted in less food for the octopus. This makes the population decrease.
As a result, the octopus has to learn to eat less mussels and more fish and shrimp to keep the octopus population in check.
Global warming has affected the temperatures of the ocean water.
The increase in water temperature caused a breakout of coral disease.
Photo by fabiogis50 disgusted but back!!!
If the corals die, most fish won't have shelter or food.
Since octopuses sometimes eat fish, the octopus population will have to rely on shellfish and other fishes that don't live on coral until the coral can regrow.
Photo by Jose Felipe Ortega
The ocean ecosystem has to go through secondary succession to regrow the coral.
Photo by Nataraj Metz
This is because organisms still exist and not all coral have died.
Human have come the marine ecosystem to find fish, octopuses, sharks, and many other marine organisms.
People have been fishing sharks for things such as shark fin soup. This has resulted in the decrease of shark population, which can result in an abundance of octopuses.
Photo by nicwn
Many fish species have been overfished to the point of the species' survival is threatened. This results in the damage of coral reefs and predators, like octopuses, dying.
Photo by Richard Allaway
Humans have overfished octopuses, too. This has resulted in an abundance of fish and shellfish, but also predators don't have as much prey.
Photo by simononly
With all of these species being overfished, the ecological balance of populations has been messed up.
Photo by Serge Melki
If things don't change soon, the marine ecosystem will fall even more out of balance and there will be a bigger problem created: extinction.
The extinction of any one species can seriously hurt many other species, and even cause extinction of those species.
To help prevent overfishing, laws should be enforced that state a limit on how man fish can be fished.
Photo by i k o
Because limits already exist in some places, there need to be stricter ways to make sure that people don't break the limits.
Photo by Eduardo_il_Magnifico
To keep these limits enforced, when people fish they need to take their catch into a building.
Photo by alonso_inostrosa
In this building, there will be workers that count the weight of your catch and be sure that you are under the limit.
Photo by chooyutshing
If you are over the limit, you have to pay a fine.
Photo by jenny downing
