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Food Security – concepts, dimensions and strategies. Importance of soil (organic) carbon

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Jean-Luc Chotte (IRD/ UNCCD-SPI)

Published in: Environment
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Food Security – concepts, dimensions and strategies. Importance of soil (organic) carbon

  1. 1. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of Food Security – concepts, dimensions and strategies Importance of soil (organic) carbon With the support of!"#$$%&'()*+,-./&0123 !"#$%&'()*+,$-./001 !"##$%&'(') *+"',%-.'/$001.# !"#$%&'(
  2. 2. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of !"##$%"&'( )$*$#+,'$%-(.+/#0
  3. 3. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of !"##$%"&'( )$*$#+,'$%-(.+/#0 !"#$%&'()*+'!"#$%&'(%)*%%+',--.'"+/'0.,1&')2%' 345354)65+'57'3%53#%'*25'8977%4'745:'29+;%4 !"#$%&'(),+'!"#$%&'(%)*%%+',--.'"+/'0.,1&')2%'345354)65+'57'3%53#%'*258%'6+<5:%' 68'#%88')2"+'=,>01'"'/"? !"#$%&'()-+'@<26%$%'79##'"+/'345/9<)6$%'%:3#5?:%+)'"+/'/%<%+)'*54A' 754'"##&'6+<#9/6+;'*5:%+'"+/'?59+;'3%53#%
  4. 4. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of !"##$%"&'( )$*$#+,'$%-(.+/#0 !"#$%&'()*+'!"#$%&'(%)*%%+',--.'"+/'0.,1&')2%' 345354)65+'57'3%53#%'*25'8977%4'745:'29+;%4 !"#$%&'(),+'!"#$%&'(%)*%%+',--.'"+/'0.,1&')2%'345354)65+'57'3%53#%'*258%'6+<5:%' 68'#%88')2"+'=,>01'"'/"? !"#$%&'()-+'@<26%$%'79##'"+/'345/9<)6$%'%:3#5?:%+)'"+/'/%<%+)'*54A' 754'"##&'6+<#9/6+;'*5:%+'"+/'?59+;'3%53#%
  5. 5. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of !"##$%"&'( )$*$#+,'$%-(.+/#0 !"#$%&'()*+'!"#$%&'(%)*%%+',--.'"+/'0.,1&')2%' 345354)65+'57'3%53#%'*25'8977%4'745:'29+;%4 !"#$%&'(),+'!"#$%&'(%)*%%+',--.'"+/'0.,1&')2%'345354)65+'57'3%53#%'*258%'6+<5:%' 68'#%88')2"+'=,>01'"'/"? !"#$%&'()-+'@<26%$%'79##'"+/'345/9<)6$%'%:3#5?:%+)'"+/'/%<%+)'*54A' 754'"##&'6+<#9/6+;'*5:%+'"+/'?59+;'3%53#% B'C?'0.D.&'%+/'29+;%4'"+/'%./0#%' "11%//'(?'"##'3%53#%&'EE')5'/"2%3' .0&#4&450/'".6'/022414%.&'2556'"77'8%"#' #50.6 B'C?'0.D.&'65097%'&:%'"$#4107&0#"7';#5601&4<4&8'"+/'6+<5:%8'57' 8:"##F8<"#%'755/'345/9<%48&'6+'3"4)6<9#"4'*5:%+&'6+/6;%+598' 3%53#%8&'EE> B'C?'0.D.&'%+894%'/0/&"4."97%'2556';#5601&45.'8?8)%:8'"+/' 6:3#%:%+)'4%86#6%+)'";46<9#)94"#'34"<)6<%8')2")'6+<4%"8%'345/9<)6$6)?' "+/'345/9<)65+&')2")'2%#3':"6+)"6+'%<58?8)%:8&')2")'8)4%+;)2%+' <"3"<6)?'754'"6";&"&45.'&5'174="&%'1:".$%&'E>>';#5$#%//4<%78' 4=;#5<%'7".6'".6'/547'>0"74&8
  6. 6. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of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
  7. 7. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of !""#$%&'()*+,!"#$"%&'()&%"*+",-&"-.*+&#$/0+*".%1$2"33*++&&$".$4")5#$!""#$ 6&'()*+,!"($",-&"./)%(,(/)"()"0-(.-"#11"2&/21&!"#,"#11",(3&$!"-#4&"2-+$(.#1!"$/.(#1" #)%"&./)/3(."#..&$$",/"$5''(.(&),"$#'&"#)%")5,6(,(/5$"'//%",-#,"3&&,$",-&(6" %(&,#6+")&&%$"#)%"'//%"26&'&6&).&$"'/6"#)"#.,(4&"#)%"-&#1,-+"1('&7 !""#$%$&'()*(*"+$,-.')*(/$#*0-+1*"+1 !"#$%#&$%$'( !))*++$&$%$'( ,'$%$-#'$./ 01'2$'$./#%3 4'#'1+ 4'#&$%$'(
  8. 8. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of !""#$%&'()*+,!"#$"%&'()&%"*+",-&"-.*+&#$/0+*".%1$2"33*++&&$".$4")5#$!""#$ 6&'()*+,!"($",-&"./)%(,(/)"()"0-(.-"#11"2&/21&!"#,"#11",(3&$!"-#4&"2-+$(.#1!"$/.(#1" #)%"&./)/3(."#..&$$",/"$5''(.(&),"$#'&"#)%")5,6(,(/5$"'//%",-#,"3&&,$",-&(6" %(&,#6+")&&%$"#)%"'//%"26&'&6&).&$"'/6"#)"#.,(4&"#)%"-&#1,-+"1('&7 !""#$%$&'()*(*"+$,-.')*(/$#*0-+1*"+1 !"#$%#&$%$'( !))*++$&$%$'( ,'$%$-#'$./ 01'2$'$./#%3 4'#'1+ 4'#&$%$'( 234 !"#$%&'%()*+ %,,-.%/0*#+ 1+ 2*/0'.).3&*# !"#$%"&'()#*%+(,,-&
  9. 9. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of !"#$%"&'()#*%+(,,-& !"#$%&'$ () &*+ .'&#*/$,/&-0 1*"232,-+2 4 1)5#&")+-),, -./0 12 )345$6&* 6345*&27%, 68&29(% $2 %4$* 6&3:42 %)46'% &3( ;&$2*< 73$=(2 :< 6&3:42 $25")%> & 3(=$(?+ !"#$%&'()*)+,&-, #.$/0123, "4$()5,
  10. 10. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of !"#$%"&'()#*%+(,,-& !"#$ %&' ( "&)*+, %-$ +.$ #%"& '-"/$-, 01- "#)-1/"&2 34( ,+156, ! "#$%&$#'( )#"#$%*$#'(# !7( 8%"&0%99: ;-"'"+< =&'$> (43?"&"+"%9 !$>+*-$ !"#$ (?"&)*+, +,-.#/0,''-(-1,23)4#567#8#9,%:,4%:; !"#$%"&'()#*%+(,,-& @*A",%6" $+ %9: !"#$%&'(&#)* +%,-.-()/- 0 +12$#,1/)1(B CDEF =& +-1)"5%9 5-1)9%&',B 5.%&2$, "& ,1"9 5%-G1& ,+156, %-$ #%"&9< '-"/$& G< 5%-G1& "&)*+,H % -$/"$I:
  11. 11. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of !"#$%"&'()#*%+(,,-& !"#$%#&$%$'( !"#$%&'(%)*"+,)% -$**$# ./$01)
  12. 12. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of !"#$%"&'()#*%+(,,-& !"#$%&%"' !"#$%&'(%)$**%+,$)-*%./#,/0,),1+
  13. 13. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of !"#$%"&'()#*%+(,,-& !"#$%&%"' !"#$%&'()*"#+(,&*-./).&%+ %#0(#-%$+(1(2)()*'%+-(2(-*)3+"4+ 5(*6%+*#+7.8+7(0(&(+94&*-(+ .#1%&+1&".,0):0%()+$)&%$$ 7"*/+)%;).&%+*52(-)+(1(2)()*'%+ -(2(-*)3 <"&%+7=!+/%$$+3*%/1$+'(&*(8*/*)3
  14. 14. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of !"#$%"&'()#*%+(,,-& !"#$%#%&'()* +#(#", !"#$%&'% (")*+,-).$%%)/0+,1)2$) 3("%$&4 &''2#(&5%6 /,7+,1-)8&9%)&) :2'(5(9%)%..%#5 2");(%46-)<):$25%(" &"6)=("#)#2"5%"5)2.)>8%&5 (") ?58(2:(&" .&$3'@
  15. 15. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of !"#$%"&'()#*%+(,,-& !"#$%#%&'()* +#(#", !-.(#%/- %01(2#
  16. 16. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of ! Key messages
  17. 17. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of !"#"$%&'()*+$),$ -+&.'/012103$,4+1/&)*$ 5$+*2*6'7$ ,4+1/')0*'+7$ 89*::*7; !"<"$21,(1)103$.*7$7=70>:*7$ .*$-+&.'/01&6 8,.,-0,01&6$/?,64*:*60$ /)1:,01@'*A$""; !"B"$C)1:16*+$),$ 9,1: !"!"$D16$.*$),$ :,)6'0+101&6 ! Key messages
  18. 18. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of !"#"$%&'()*+$),$ -+&.'/012103$,4+1/&)*$ 5$+*2*6'7$ ,4+1/')0*'+7$ 89*::*7; !"<"$21,(1)103$.*7$7=70>:*7$ .*$-+&.'/01&6 8,.,-0,01&6$/?,64*:*60$ /)1:,01@'*A$""; B"#$C:3)1&+*+$),$ @',)103$.*$)D*,'A$ +3.'/01&6$-&))'01&6 B"B$E+&034*+$*0$+*70,'+*+$ )*7$3/&7=70>:*7$)137$F$ )D*,'A !"G"$H)1:16*+$),$ 9,1: !"!"$I16$.*$),$ :,)6'0+101&6 ! Key messages !"#"$%&'()*+$),$ -+&.'/012103$,4+1/&)*$ 5$+*2*6'7$ ,4+1/')0*'+7$ 89*::*7; !"<"$21,(1)103$.*7$7=70>:*7$ .*$-+&.'/01&6 8,.,-0,01&6$/?,64*:*60$ /)1:,01@'*A$""; !"G"$H)1:16*+$),$!"G"$H)1:16*+$),$ !"!"$I16$.*$),$ :,)6'0+101&6 !"G"$H)1:16*+$),$!"G"$H)1:16*+$),$ 9,1:
  19. 19. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of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ey messages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
  20. 20. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of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ey messages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
  21. 21. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of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
  22. 22. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of ! Key messages
  23. 23. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of !"##$%"&'!"(%)*+,-.,)"&/$).&01&.2"&3456#&#0-,.*07# !"##$%&'()($"*#+ !"##$%"&8!""9:';;;&<30*-&10)&=00>&$7>&?-*@$."A&$.& .2"&7"B,#&01&#"C")$-&345# !"##$%"&D&!""E"">#&.0&$>>)"##&*7.")$+.*07#& F".G""7&345#&*7&)"-$.*07&.0&9:';;;&.$)%".# ! Key messages #$%&" '&(&)%*+,( -&&.&.
  24. 24. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of !"##$%"&'!"(%)*+,-.,)"&/$).&01&.2"&3456#&#0-,.*07# !"##$%&'()($"*#+ !"##$%"&8!""9:';;;&<30*-&10)&=00>&$7>&?-*@$."A&$.& .2"&7"B,#&01&#"C")$-&354# !"##$%"&D&!""E"">#&.0&$>>)"##&*7.")$+.*07#& F".G""7&354&*7&)"-$.*07&.0&9:';;;&.$)%".# !"##$%"&9&H&3.)"7%.2"7&.2"&@"$7#&01&*@/-"@"7.$.*07& $7>&)"C*.$-*I"&.2"&%-0F$-&/$).7")#2*/&10)& #,#.$*7$F-" >"C"-0/@"7. ! Key messages #$%&" '&(&)%*+,( -&&.&.
  25. 25. « 4 per 1000 » Africa Symposium Johannesburg, 24-26th October 2018 With the support of !"##$%&'(') *+"',%-.'/$001.# *+1&2 3%- 4%.'3%-. 155"&5$%&'6 !"#$%&'($)*)+,%-$.-/-,0 123) (-'/ (.'$2.$ !41'/) * 3-4'2'56$741(($8'%379% !"#$%&'($)*)+,%-$.-/-,0 123)(-'/ $.-/-,'(& !41'/)* $%'.7:/12.;1%&8'%379% !"#$%&'($)*)(-'/ (.'$2.$<)=>?) 30214'.<)@ABBC)=DE) ?$4:$% !41'/)* F$12G/6.7.;-&&$8'%379% Food Security – concepts, dimensions and strategies Importance of soil (organic) carbon !"#$%&'($)*)=-'/ =.'$2.$<)=-'/ B)($56$(&%1&'-2 !41'/)* /03'$7/1%308'%379% !"#$%&'($)*)=-'/ =.'$2.$<) =>?) !41'/) *&'#;1'2$7.;$H1//'$%8'%379% 7"3'89:';%00"1<-"# $&=%0="> $&'5+"'?/@AAA'$&$5$15$="''

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