Consequences of coral reef destruction

Introduction

You are well on the way to completing a unit of study on Coral Reefs. After having evaluated the threats that the reefs face, today's WebQuest shall examine the effects of the loss of coral reefs and species of reef organisms.

Task

Your task today is to examine the consequences of coral reef destruction by reviewing various pieces of literature and short videos.

Process

 

CONSEQUENCES OF CORAL REEF DESTRUCTION

 

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TASK ONE

1. Log onto Edpuzzles

Click on the video titled “Human impacts on coral reefs” and complete the activity.

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TASK TWO

Click on the following link     http://greentumble.com/the-effects-of-overfishing-on-coral-reefs/

Scroll down to the section titled “The impacts of overfishing”

In the spaces below, draw a food chain to show when there is a healthy population of Grouper in the reef.

How does the ecosystem become imbalanced when Grouper has been overfished?

________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

What is the economic impact of a depleted reef fish population? ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

What is the impact of a depleted reef fish population on human health? ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

 

TASK THREE

Click on the following link                                                                  http://www.nbcnews.com/business/economy/caribbean-economies-face-peril-coral-reefs-decline-n347731

Scroll down to the section titled “St. Martin's conundrum”.

What percentage of St Martin’s GDP is dependent on tourism from reefs? _________________

What percentage of the population is employed in reef tourism? ________________________

Write one statement about St Martin and its dependence on coral reefs. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

What effect would the destruction of the reef and its ecosystem have on the economy of St Martin? ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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TASK FOUR

Click on this link https://soundwaves.usgs.gov/2014/06/research3.html

How many people are at risk if corals reefs are not protected or restored? ______________________

From what are people at risk? To find out, click on the following link   http://oceanservice.noaa.gov/facts/coral_protect.html

1. _____________________________________                              2. _____________________________________

3. _____________________________________                              4. _____________________________________ 

5. _____________________________________                              6. _____________________________________

Write one statement about the loss of coral reef and coastal protection. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

 

TASK FIVE

Watch the video in this link https://www.youtube.com/watch?v=TVAH4CAtfAk

Then click on the following link https://www.nature.org/ourinitiatives/habitats/oceanscoasts/explore/coral-reefs-and-medicine.xml

Coral reefs are often referred to as the “ _____________________ of the sea”

Complete the table below

 

Name or type of drug

Ailment/s used to treat

Organism sourced from

1.

 

 

 

2.

 

 

 

3.

 

 

 

4.

 

 

 

5.

 

 

 

 

Write one statement below about the loss of biodiversity on the reef and development of medical treatments.

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Evaluation

At the end of the lesson, please submit your WebQuest worksheet for grading.

Your group's worksheet will be graded based on the following rubric:

CRITERIA

EXCELLENT                             (4-5 MARKS)

GOOD                    (2-3 MARKS)

POOR                     (0-1 MARKS)

COMPLETION

All activities of each task in the WebQuest are completed

One or two activities in the WebQuest are omitted or incomplete

More than 3 activities in the WebQuest are omitted or incomplete

ACCURACY OF INFORMATION

All points of information are accurate

There are one or two incorrect points of information

There are more than 3 incorrect points of information

PARTICIPATION

All group members were observed participating in all of the tasks and activities.

Two to three group members were observed participating in tasks and activities.

One group member was observed participating in/directing the tasks and activities.

Conclusion

Today you have seen the consequences of having an unhealthy reef and no reefs at all.

Prepare yourself for the next class, which looks at "solutions to coral reef degradation" by reviewing the lessons from previous classes.