# data[].attributes.headline
populations may change in an area after survey session- elephants move, potentially births/deaths 

# data[].attributes.subject
populations may change in an area after survey session- elephants move, potentially births/deaths 

# data[].attributes.body
If the plane crashed it would disturb the elephants

# data[].attributes.headline
Study doesn't show population change over time 

# data[].attributes.subject
Study doesn't show population change over time 

# data[].attributes.headline
results found in 2016- count likely changed by now. if funds allowed would be interesting to repeat now?

# data[].attributes.subject
results found in 2016- count likely changed by now. if funds allowed would be interesting to repeat now?

# data[].attributes.headline
Does the algorythm take into account how the herd might move throughout the survey time?

# data[].attributes.subject
Does the algorythm take into account how the herd might move throughout the survey time?

# data[].attributes.headline
Would be interesting to see a comparison of different areas and identify which are most affected and why. 

# data[].attributes.subject
Would be interesting to see a comparison of different areas and identify which are most affected and why. 

# data[].attributes.headline
Limited time frame unless access to infrared night cameras which is expensive & dangerous to fly at night

# data[].attributes.subject
Limited time frame unless access to infrared night cameras which is expensive & dangerous to fly at night

# data[].attributes.body
Landscape constantly changing, would result in revisiting the sites

# data[].attributes.body
What was put in place because of the results from the census?

# data[].attributes.headline
Could count the same elephants twice if they move around

# data[].attributes.subject
Could count the same elephants twice if they move around

# data[].attributes.body
Good effort across multiple countries to get a successful estimate of population.

# data[].attributes.headline
What was result of the census? were more protected areas made? more security added etc?

# data[].attributes.subject
What was result of the census? were more protected areas made? more security added etc?

# data[].attributes.headline
over a long period of time, can move around a lot

# data[].attributes.subject
over a long period of time, can move around a lot

# data[].attributes.headline
they could have surveyed more countries to get a better picture of the total population

# data[].attributes.subject
they could have surveyed more countries to get a better picture of the total population

# data[].attributes.headline
Provides only very basic information on the population 

# data[].attributes.subject
Provides only very basic information on the population 

# data[].attributes.headline
from height may not be able to tell closer details i.e age beyond "adult or juvenile" which could be important to demographics

# data[].attributes.subject
from height may not be able to tell closer details i.e age beyond "adult or juvenile" which could be important to demographics

# data[].attributes.headline
having multiple planes recording at the same time

# data[].attributes.subject
having multiple planes recording at the same time

# data[].attributes.headline
census not repeated so lack of reliabilty

# data[].attributes.subject
census not repeated so lack of reliabilty

# data[].attributes.body
Assumes uniform landscapes but some areas that are estimated for might have landscapes where there are less elephants

# data[].attributes.headline
Planes could cause pollution or disturbance

# data[].attributes.subject
Planes could cause pollution or disturbance

# data[].attributes.headline
Photos to back up recorded estimates make it more accurate. Multiple spotters increase reliability

# data[].attributes.subject
Photos to back up recorded estimates make it more accurate. Multiple spotters increase reliability

# data[].attributes.body
Camera increases accuracy count

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A method like mark-recapture would be difficult since they're big animals

# data[].attributes.subject
A method like mark-recapture would be difficult since they're big animals

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can take pictures so can check on their condition

# data[].attributes.subject
can take pictures so can check on their condition

# data[].attributes.headline
Elephants move in herds, so they would not be spread out over a large area

# data[].attributes.subject
Elephants move in herds, so they would not be spread out over a large area

# data[].attributes.body
Weather dependant

# data[].attributes.headline
saving time by cutting out parts of the land

# data[].attributes.subject
saving time by cutting out parts of the land

# data[].attributes.headline
emissions from plane flying round for 3 hours

# data[].attributes.subject
emissions from plane flying round for 3 hours

# data[].attributes.body
The black poles are height dependant

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Expensive and time consuming compared to other methods

# data[].attributes.body
may count the same elephants the next day if counting on different days

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Its cheaper than other methods and more time efficient

# data[].attributes.subject
Its cheaper than other methods and more time efficient

# data[].attributes.headline
cutting out areas, could be missing more elephants

# data[].attributes.subject
cutting out areas, could be missing more elephants

# data[].attributes.headline
does not take into account pregnant mothers

# data[].attributes.subject
does not take into account pregnant mothers

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Doesn't take into account specific characteristics e.g. age, health, sex.

# data[].attributes.subject
Doesn't take into account specific characteristics e.g. age, health, sex.