什么是群落层次?什么事结构层次?与环境条件有什么关系?

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/13 10:57:20
x\Yo#ו+|)0ű xx`cI83/yJ$ERSBJZҭEj&xxO }ܺUbw;/T]=,Y/03` WMw{k}:×bWՂ{03٫j/_C_~?`{l78Y}&K>?O\-8Lz3_3i,꾟3Ǔ޹g^f{lPMtdiPGOA n^2CKO<`0oIoŴw&OnxT7w ~3`Uƀif xn ~ܿL'w$5x=i{`a07֋ɵ8M˔{4[HOHsR2_jOz%Z$՝~Lm2<27-uu1(ZsMiR1O<,ZuQɭEu`8`Y5HbRW>3ˉg$ x[e\f ヲ)ݪ-F~ i&k;:TthӦ85xlPHR5ӅS 6x3>;psE9,f"_GJ5|ɟzY~Vr ,o}Vo2^8H:ڈ ^A4'v\ ,{NǶXT"[t~tWa ʆ {•Mt; 04l|+! C1<+짇o1܃ZN֪DJ\PEkP} f($V%qS*:./7YOY2yG-mJc4cf_TױИMvË9(:1/E˘lK O7m!VY /iE/WNvT.hML6O%V/50 p2otu1\75lKkuoE 0\ZsCc><<1JEaf5,VTc%A+vBͣxsv{:WJH+秇\{NJo{{S~j2.„D u2݆ڤߌ,&PHÓ͚?w!xϪoAmxP>>|4mMoԝt85Pўu? ?fcUEL<̅"GQX^VdXFɤhv X DI A.\)|J75[Dh<@>fW/WxUO78&Eg~d\vy`s`Qӿ6/5vn7~-oHqb7m^Ț.Xw ǮցGd6ih(<4e`ۦI`G4S@&]{ 5 oHI 1D?Cztϓ@hE͑f)r,ۃ! dt)%{ul 1U'RX2VY4HSeVy2h A*s IPsSvjS_FX|2bF ,K`Wo2ad"zUzoɬLTI$PW wK2t?{M0C/U./++E6Ȇ/Y(A5˭SȞLFkA `&\63爛45TiO%qZV65Hշ q=[|x=T\Z=&~/mLӎ̈)UbػMES.:IVl#qnPT"cKJF`!Gu܃&lLM3yrS9kfr.`G ;7{0 z@^Cq/؄ Rq;Z9t !zB]tdS|7-M`dVX^.j,+@vکjm0p+K[e +TR.۵SΞ:iKx6^wA.`KbOJ)\?k)V ÛZ\L:5˼sRU2 .j=vJf֣&}}3K Vza=D#(5( /}XN[9"*L'84 N>Iy2fVhъŊYb'/.#$mI|0pA@2+ڶFka:V_HѮ+j (5Ėb%qFgCXg9`S 8zu z@^rATJrjdL)S{+Wﮪ)燺Kjq߾O왍2n֋z!IK!uU#=Ci-7&Z⳨k{4wQ=NMd\:+p%4ٓ7 ?X/] 08b zt-2dUX"CI>DlGM\,䇫^.7CK*}"qZdO^YҹyNV=,&1I6ki{Ts;mH5ݸ8ҵmx^$$b]+};j@5ZmŘf%!7ֺbADU1{RZ=Pz>IJOtۊHҩoҩ_) Ls*y_?M}~XS(0*Xڜ vt*C[TΜFJH>{DZsjË9`IOz[7XdCT~M_+avBr1뤒HYvƔ6#J%|hԲwI}"{S6849?~Rӗ'G0R/Jwo)؏obary H)c3 ܁MKoДr yҶ%h&HGsF޺CYGiG Cp;XZ ܃NsHs@4>~NNYF(`8eUf$MEIںЯQldU3"Y HOxLN9V%LRKZJBݒ۴mTJ^6ntLXXlDx ;!Gh,! ^-7+IuKk+SM6D-+&iui+4UX6Mבх-|P@%^iL:zBCİB~^mO1Ә~a,?@S0TB]G5@҉佻1$w8QdO֌ k ˕)3f9W%(ߤcY#^At;/$ԤgHTÃ4 :[ $vd^hM]]r}ߎO8 5AT},n".m*CgUN$dӊ J0̩YqJ)sx̸PShuz jR􎿆R >[u ï1`Fr|nӥ}u)-#VJR{l ;JTkK+y[5XWyNv5ܚu/VcݳABY}+_J.L nn4+4C<B l ~HYд.wG~a탶'!y8z(v~S*8ԢFƤC<$M:1iݯ3d21ǿ vǒn |cjAMlsA9t½p̴^4Fac~u_}egH#bÆ[k͵ҳg}Gqƴ;b{_=_Wm1]^