desert locust management (ice2012, daegu, korea)
DESCRIPTION
The UN FAO Senior Locust Forecasting Officer, Keith Cressman, gave a 30-minute keynote presentation on Desert Locust management at the 24th International Congress of Entomology (ICE2012), Daegu, South Korea (19-25 August 2012). An overview of Desert Locust biology and population dynamics, economics and FAO's early warning system are presented.TRANSCRIPT
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Desert Locust (harmless)
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Desert Locust (dangerous)
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Tracking locusts
FAO’s early warning system
Keith Cressman Senior Locust Forecasting Officer Rome
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the problem
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locusts are usually present somewhere within
16 million km2
Recession - calm period
( 1.6 billion ha )
25 countries
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locusts invade up to 20% of Earth’s land mass
32 million km2
Plague
50 countries
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Desert Locusts live 3 - 6 months
egg
hopper (bands)
adult (swarms) 1
2
3
10 days
40 days
25 days
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plagues evolve �WKH\�GR�QRW�RFFXU�RYHUQLJKW
decline
recession
outbreak
upsurge
plague
good rains
control fails good rains
rains fail good control
control fails good rains
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as hoppers increase they change their behaviour
GREGARIZATION
band group individual
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as adults increase they change their behaviour
GREGARIZATION
swarm group individual
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irregular recessions and plagues (1860 - 2011)
countries
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2003 – 2005 the worst situation in 15 years
it took $500 million & Mother Nature to stop this
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southern Mauritania invasion (early summer 2004)
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northern Senegal invasion (early summer 2004)
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Morocco invasion (October 2004)
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Cairo invasion (17 November 2004)
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the economics
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35,000
20
6 a 1 km2 Desert Locust swarm eats the same food in 1 day as ...
1,100 =
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New York City
Paris
Sydney
38 million/day FRANCE/2 DAYS
42 million/day USA/1 WEEK
422 million/day AUSTRALIA/1.5 HOURS
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Control ops in 23 countries October 2003 - November 2005
ha
13 million hectares
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2004 2005
FAO appeal
FAO TCP
US$ million
9
50
7 months
4 months
funds received
$74.8m
Emergency funding delay
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13 - 200
320 + 80
100
control / ha
millions spent by affected countries + FAO/donors millions spent on food aid
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8.4 million people affected in West Africa
80-100 % cereal loss
85-90 % legume loss
33-85 % pasture loss
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Debt household heads became indebted
60 % mauritania
45 % mali
33 % burkina faso
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$90 million food aid in West Africa, 2004
90 % burkina faso
75 % mali
65 % mauritania
households receiving aid
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$1 million saves $100 million
millions $
$1M after
1 month
$5M after
4 months
$10M after
7 months
$50M after
10 months
$100M after
12 months
2003 2004
the last plague in West Africa
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years of preventive control 170
$ 570 MILLION control operations (2003-2005)
$ 3.3 MILLION annual cost preventive control W & NW Africa
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the solution
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Desert Locust early warning system
National field teams
National Locust Control Centre
FAO Desert Locust Information Service
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FAO Locust early warning network
front-line secondary invasion
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GPS
Inmarsat
eLocust2
Internet server
RAMSES
satellite transmission
lat/long
Field data to National Locust Centre
1
2
3
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Internet access to field data in real time
latest position
see work rate
ID gaps
on your PC
24/7
secure
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GIS at National Locust Centres
DATA ENTRY
DATA DISPLAY
RAMSES
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GIS at FAO DLIS (Rome)
SWARMS
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simple access to GIS data via Internet
Locust Mapper
www.fao.org/ag/locusts
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calm
caution
threat
danger
www.fao.org/ag/locusts
informing people
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advanced warning
warning reliability
outbreaks less than 1 month low-moderate
upsurges up to 3 months low
plagues up to 6 months moderate-high
provided by FAO/DLIS, Rome
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Sustaining effective national surveillance ...
motivated individuals (energetic, curious)
well trained teams (survey, data collection)
well equipped teams (GPS, vehicles)
financial support (national budget, incentives)
becomes routine
teams receive feedback
data ownership
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a successful early warning system
regular surveillance & accurate GPS field data
rapid data transmission & easy access
complete GIS analysis
simple well-targeted outputs
use social media
www.fao.org/ag/locusts www.facebook.com/faolocust twitter.com/faolocust
Keith Cressman Senior Locust Forecasting Officer, Rome [email protected]