EAR - Introduction material

Question 1

What area does the GBR cover and how long is it

Answer 1

GBR covers 347,800 square kilometres and over 2300km long

Question 2

What area does the TRHS cover

Answer 2

25,000 square kilometres

Question 3

How many species are there in the TRHS?

Answer 3

10,000 flora species, 201 mammal species and 580 bird species

Question 4

How many species are there in the GBR?

Answer 4

GBR has over 400 species of coral and 1600 species of fish (multiple pathways of nutrient cycling) over 9000 total species - unesco

Question 5

How much shallow coral was killed off my which bleaching event?

Answer 5

A third of shallow coral was killed by 2016 bleaching events in Port Douglas

Question 6

How long does it take coral to recover?

Answer 6

Takes 10 years for the fastest coral to recover, but can be disrupted by the increased frequency of bleaching events

Note this will affect biodiversity, only fast recovering corals

Question 7

What are the temperature requirements of coral

Answer 7

23-29 degrees celsius

Question 8

What is the frequency of recent bleaching events?

Answer 8

5 bleaching events since 2000 and 4 in the past 6 years

Question 9

What perceptage of corals are under threat from natural stresses and global warming

Answer 9

The Great Barrier Reef Foundation states that globally 75% of reefs are under threat from natural stresses and global warming

Question 10

What percentage of excess energy in the climate system is absorbed by the ocean?

Answer 10

In the decade 2009-2018, the ocean absorbed around 23% of annual CO2 emissions, cushioning the impacts of climate change but increasing ocean acidity

Question 11

At what rate are coral reefs projected to decline at 2 degrees warming

Answer 11

Coral reefs are projected to decline to less than 1% at 2°C warming

Question 12

How much of the TRHS has been deforested in the past 22 years?

Answer 12

50%/12 million hectares - WWF

Question 13

How much area does the Sumatran Tiger require to roam?

Answer 13

25 000 hectares

Question 14

What are Sumatran Rhinoceroses the role dispersers of?

Answer 14

35% of fruits

Question 15

What percentage of the TRHS is within protected areas?

Answer 15

7% - OneEarth.org

Question 16

What was a positive effect of the implementation of the 2003 zoning plan?

Answer 16

2-fold increases in coral trout biomass appearing within 2 years of the implementation of the new zoning plan - GBRMPA

Question 17

How much higher was the relative frequency of COTS outbreaks on open fishing reefs compared to no-take reefs?

Answer 17

3.75 times higher

Question 18

By how much will the global temperature rise even with COP agreements

Answer 18

The world’s average temperature will still rise 2.1°C (3.8°F) by 2100 even if countries fully implement their pledges for 2030 and beyond

Question 19

How much is the Reef Rescue program worth, and what is its purpose

Answer 19

$200 million Reef Rescue Program - a collaborative deal between government and growers aimed at minimising nutrient and chemical farm run-off

Question 20

Ho much does the world spend on environmetal conservation? Is this effective?

Answer 20

The world spends about 150 billion dollars on environmental conservation. However it pays 12 times this amount in damaging subsidies

Question 21

What were the effects of the collaborative project between IKI the (international climate initiative) project with UNESCO?

Answer 21

conservation of tree species on 22 hectares of degraded land in Sei Betung

Question 22

What was the net change in tree cover in Indonesia from 2000 to 2020?

Answer 22

Indonesia experienced a net change of -4.12Mha (-2.6%) in tree cover from 2000 to 2020