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ƒĺ ); |;v| |_bv 1ol0bm;7 =u-l;ouh om 1olr;|bm] r-buv o= ƐѶ -Ѵb=oumb- -mm-Ѵ rѴ-m|vr;1b;vĺ ou0o|_1o;bv|;m1;-m7ruboub|;==;1|vķ;=bm7|_-||_;|oѴ;u-m1; |or;u|u0-|bomvbmbm|ubmvb1]uo|_u-|;vbvl-blb;7bmv|;-7o=|_-||or;u|u0-Ŋ |bomvbm1olr;|b|bomv|u;m]|_vbm|_;v|7b;7-mm-ѴrѴ-m|1ollmb|b;vĺ Ɠĺ Synthesisĺu1ol0bm;7=u-l;ouho=lo7;um1o;bv|;m1;|_;ou-m7v|u1|u-Ѵ -rruo-1_bѴѴv|u-|;v|_-|b|bvrovvb0Ѵ;|o7bv;m|-m]Ѵ;|_;blr-1|o=7b==;u;m|;Ŋ |;um-Ѵr;u|u0-|bomvom|_;r;uvbv|;m1;o=vr;1b;vĺlrou|-m|Ѵķou=bm7bm]vv_o |_-|vr;1b;vbm|;u-1|bomvl-u;;-Ѵ_;|_;u1ollmb|b;v-u;7olbm-|;7;b|_;u 0 1_-m];v bm bm|ubmvb1 ]uo|_ u-|;v ou 0 1olr;|b|bom v|u;m]|_vĺ ;u-ѴѴķ |_bv 1ol0bm;7=u-l;ouh1-mor;m-m;r;uvr;1|b;|om7;uv|-m7-m7ru;7b1||_; u;vromv;o=rorѴ-|bomv|o1_-m]bm];mbuoml;m|-Ѵ1om7b|bomvĺ K E Y W O R D S 1o;bv|;m1;ķ1olr;|b|bomv|u;m]|_vķbm|ubmvb1]uo|_u-|;vķlo7;um1o;bv|;m1;|_;ouķ ruboub|;==;1|vķv|u1|u-Ѵ-rruo-1_ķ|oѴ;u-m1;|or;u|u0-|bomv 1
http://doc.rero.ch
Published in "Journal of Ecology (): 1365-2745.13349, 2020"
which should be cited to refer to this work.
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2
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$_; l-mv1ubr| bv ou]-mb;7 -v =oѴѴovĺ buv|ķ 0bѴ7bm] rom |oŊ1olr;|bm] vr;1b;v 7m-lb1vķ ; 0ub;=Ѵ bm|uo71; |_; =m7-Ŋ l;m|-Ѵvo=$-m7"ĺ);v_o_;-1_=u-l;ouh-Ѵom;1-mŊ mo|=ѴѴ7bv;m|-m]Ѵ;|_;uoѴ;vrѴ-;70bm|ubmvb1]uo|_u-|;v-m7 1olr;|b|bomv|u;m]|_vĺ$_;mķ;v_o_o|_;l;|ub1v=uol$Ō |_;v|-0bѴbbm]-m7;t-Ѵbbm]l;1_-mbvlvŌu;Ѵ-|;|o|_;voѴb7-m]Ѵ; o= "ĺ 1_b;bm] |_bv 1ol0bm-|bom o= |ooѴv u;tbu;v 0o|_ -7-m1Ŋ bm]"|ovblѴ|-m;ovѴ-ulѴ|brѴ;r-u-l;|;uvŐ-vbm$ő-m7 u;bvb|bm] $ |o m|-m]Ѵ; |_; 1om|ub0|bom o= lo7;Ѵ r-u-l;|;uv Ő-v bm "őĺ lrou|-m|Ѵķ ; v_o |_-| |_; ;t-Ѵbbm] l;1_-mbvl Ő0-v;7 om =b|m;vv u-|boő ;_b0b|v - h; |u-7;Ŋo== 0;|;;m |oѴ;uŊ -m1; |o r;u|u0-|bomv bm bm|ubmvb1 ]uo|_ u-|;v -m7 bm 1olr;|b|bom v|u;m]|_ĺ);v_o|_-||_bv|u-7;Ŋo==bvv|uom];um7;u1o;bv|;m1; |_-mm7;uruboub|;==;1|vĺ;|ķ;-rrѴouv|7|o-m;lrbub1-Ѵ 7-|-v;|o=-mm-ѴrѴ-m|-vv;l0Ѵ-];vĺ);v_o|_-|bm|_;v;;r;uŊ bl;m|-Ѵvv|;lvķ|_;|oѴ;u-m1;|or;u|u0-|bomvbmbm|ubmvb1]uo|_ u-|;vŐ0|mo|bm1olr;|b|bomv|u;m]|_vőbvl-blb;7ĺ-v|ķ;ruoŊ b7;-7bv1vvbom-0o||_;Ѵblb|-|bomv-m7=|u;u;v;-u1_-;m;v 7;ub;7=uolououhĺ
ƑՊ|Պ$ ) Ŋ $" " + "
ƑĺƐՊ|Պ m-lb1v
-m rorѴ-|bom 7m-lb1v o= |oŊ1olr;|bm] vr;1b;v _-; 0;;m ruorov;7Ő;ĺ]ĺ-v;ķƐƖƖƖĸ$bѴl-mķƐƖѶƑĸ$u1_bmķƑƏƏƒőĺu]-0Ѵķ |_; vblrѴ;v| 7m-lb1v bv |_; 1Ѵ-vvb1 o|h-ŋ(oѴ|;uu- Ő(ő 7m-lb1v Ő-v;ķ ƐƖƖƖőĺ $_; =oulѴ-|bom o= ( u;-7v -v Őo|_;u ;tb-Ѵ;m| r-Ŋ u-l;|;ub-|bomvou=oul-Ѵbvlv1-m0;=om7bmrr;m7b"Ɛőĺ
_;u;|_;-ub-0Ѵ;Niu;ru;v;m|v|_;-0m7-m1;o=vr;1b;viķ|_;r-Ŋ u-l;|;uvri > 0 and αii > Ə1ouu;vrom7|o|_;bm|ubmvb1]uo|_u-|;-m7
|_; v;Ѵ=Ŋu;]Ѵ-|bom Őou bm|u-vr;1b=b1 1olr;|b|bomő o= vr;1b;v iķ u;vr;1Ŋ |b;Ѵķ-m7α12 > 0 and α21 > Ə-u;|_;1ouu;vrom7bm]bm|;uvr;1b=b11olŊ
r;|b|bomv|u;m]|_vŐ-ĺhĺ-ĺ-0voѴ|;u;71|bomvbmr;u1-rb|-]uo|_u-|;őĺ lrou|-m|Ѵķ7;vrb|;|_;vblrѴb1b|o=(7m-lb1vķ-ѴѴ|_;l-bm u;vѴ|v_;u;-rrѴ|o-l1_Ѵ-u];u1Ѵ-vvo=|oŊ1olr;|bm]vr;1b;v 7m-lb1vķ bm1Ѵ7bm] v-|u-|bm] 1olr;|b|bom 7m-lb1v Őu-;u ş
-v|bѴѴoŊ_-;ķƑƏƐƐőķ|bl;7bv1u;|;(7m-lb1vŐ"--;7u-ķ!o_uķ ;| -Ѵĺķ ƑƏƐƕőķ 1omvl;uŊu;vou1; 7m-lb1v Ő;||;mķ _-lbķ ;ķ ş h-lbķƑƏƐѶĸ"om];|-ѴĺķƑƏƐƖő-m7-mm-ѴrѴ-m|7m-lb1vŐo7oş ;bm;ķƑƏƐƓĸ-u|ķ$u1o||;ķş;bm;ķƑƏƐƖőĺo|;|_-||_;v|u;m]|_ o=vr;1b;v1olr;|b|bombm|_;v;7m-lb1v1-m-Ѵvo0;;ru;vv;7bm |;ulvo=momѴbm;-u=m1|bom-Ѵu;vromv;vŐ;m1bş"--;7u-ķƑƏƐѶőĺ
ƑĺƑՊ|Պo;bv|;m1;
$_;m;1;vv-u-m7v==b1b;m|1om7b|bomv=ou|_;1o;bv|;m1;o=|_; |o1olr;|bm]vr;1b;v-u;]b;m0|_;|o=oѴѴobm]bm;t-Ѵb|b;v Ő"om]ş"--;7u-ķƑƏƐѶ0ĸ(-m7;ul;;uķƐƖƕƔőĹ$_; |o bm;t-Ѵb|b;vķα21/α11 < r2/r1 and r2/r1 < α22/α12ķ ]u-m|
|_-|vr;1b;vƐ-m7Ƒ1-ml|-ѴѴbm-7;]b;mr2/r1Ō_-|;1-ѴѴ
|_; u-|bo o= bm|ubmvb1 ]uo|_ u-|;vĺ m - |oŊ7bl;mvbom-Ѵ vv|;lķ |_bv rovvb0bѴb| ]u-m|v |_-| vr;1b;v 1-m _-; rovb|b; -0m7-m1; -| ;tbѴb0ublķbĺfeasibilityŐ-v;ķƑƏƏƏőĺomv;t;m|Ѵķ|_;v;|obmŊ ;t-Ѵb|b;vblrѴ|_;|_bu7bm;t-Ѵb|α21/α11 < α22/α12ķ_b1_;mvu;v |_-||_;7m-lb1voѴ71om;u];|o|_;;tbѴb0ublv|-u|bm]=uol -mbmb|b-Ѵvr;1b;v-0m7-m1;ķbĺglobal stabilityĺo|;|_-||_;|_bu7 bm;t-Ѵb|1-m0;7;71;7=uol|_;=buv||obm;t-Ѵb|b;vķ0||_;bmŊ ;uv;bvmo||u;ĺ;1-v;|_;v;1om7b|bomv]-u-m|;;|_;;bv|;m1; o=-mbt;ķv|-0Ѵ;ķ=;-vb0Ѵ;ķ=b;7robm|ķvr;1b;v1o;bv|;m1;bvmo| 7;|;ulbm;70|_;ou7;uo=vr;1b;v-uub-Ѵĺ
$u-7b|bom-ѴѴķ |_;v; bm;t-Ѵb|b;v _-; 0;;m ]u-r_b1-ѴѴ bѴѴv|u-|;7 om |_; v|-|; Ő-0m7-m1;ő vr-1; o= |_; vv|;l ]b;m 0 t-|bom Ɛ Ő-v;ķ ƑƏƏƏőĺ oѴѴobm] |_bv 1Ѵ-vvb1 u;ru;v;m|-|bomķ b]u; Ɛ v_ov _o|_;r-u-l;|;uv_-;|o0;1ol0bm;7v1_|_-||_;|omomŊ|ubb-Ѵ ;uoŊ]uo|_bvo1Ѵbm;v=-ѴѴbmvb7;|_;1o;bv|;m1;-u;-ĺ ou]b;m];m;ub1 -Ѵ;vo=K1 = r1/α11 and K2 = r2/α22Ōhmom-v1-uubm]1-r-1b|b;vķ|_;
bm;t-Ѵb|r2/r1 < α22/α12bv;tb-Ѵ;m||o_-bm]vr;1b;vƐ;uoŊ]uo|_ bvo1Ѵbm;1uovvbm]|_;N2-bv-0o;vr;1b;vƑ;uoŊ]uo|_bvo1Ѵbm;ķ-m7 vblbѴ-uѴ =ou |_; bm;t-Ѵb|α21/α11 < r2/r1ĺ $_; ]Ѵo0-Ѵ v|-0bѴb| 1om7bŊ
|bomα21/α11 < α22/α12 bv ;tb-Ѵ;m| |o _-bm] |_; vѴor; o= vr;1b;v Ɛ
;uoŊ]uo|_ bvo1Ѵbm; v|;;r;u |_-m |_; om; o= vr;1b;v Ƒ vo |_-| |_; 1uovvb|_bm|_;1o;bv|;m1;-u;-Ő-v;ķƑƏƏƏőĺo|;|_-||_;0ou7;uv om |_; -;v o= b]u; Ɛ Ő-v ;ѴѴ -v |_; u;]bom _;u; |_; |o ;uoŊ ]uo|_bvo1Ѵbm;voѴ71uovvo|vb7;|_;rovb|b;-0m7-m1;vt-7Ŋ u-m|ő1ouu;vrom7|o|_;1-v;o=m=;-vb0Ѵ;;tbѴb0ub-ķ_;u;om;vr;1b;v o|Ŋ1olr;|;v|_;o|_;uvr;1b;vŌ-Ѵvohmom-v0ou7;u;tbѴb0ub-ĺu; m;|u-Ѵb|Ѵb;vbm|_;bm|;uv;1|bom0;|;;m|_;v|-0bѴb|ŋbmv|-0bѴb|0ouŊ 7;u-m7|_;=b|m;vv;tb-Ѵ;m1;Ѵbm;Ő"om];|-ѴĺķƑƏƐƖőĺ
ƑĺƒՊ|Պuboub|;==;1|v
b]u; Ɛ -Ѵvo v_ov _o |_; r-u-l;|;uv v_oѴ7 0; 1ol0bm;7 v1_ |_-| |_; 7m-lb1v ;_b0b| ruboub| ;==;1|v Ő-v;ķ ƑƏƏƏőĺ !;1-ѴѴ |_-| ŐƐő ⎧ ⎪ ⎨ ⎪ ⎩ dN1 dt = N1(r1−𝛼11N1−𝛼12N2) dN2 dt = N2(r2−𝛼21N1−𝛼22N2), ŐƑő 𝛼21 𝛼11< r2 r1< 𝛼22 𝛼12 . 3