Why nestedness in mutualistic networks?

被引:270
作者
Burgos, Enrique
Ceva, Horacio
Perazzo, Roberto P. J.
Devoto, Mariano
Medan, Diego
Zimmermann, Martin
Delbue, Ana Maria
机构
[1] Univ Buenos Aires, Fac Agron, Buenos Aires, DF, Argentina
[2] Comis Nacl Energia Atom, Dept Fis, RA-1429 Buenos Aires, DF, Argentina
[3] Inst Tech Buenos Aires, Dept Invest & Desarrollo, Buenos Aires, DF, Argentina
[4] Univ Buenos Aires, Fac Agron, Catedra Bot, Buenos Aires, DF, Argentina
[5] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Fis, Buenos Aires, DF, Argentina
[6] Univ Buenos Aires, Fac Ciencias Sociales & Econ, Dept Econ, Buenos Aires, DF, Argentina
[7] Consejo Nacl Invest Cient & Tecn, Buenos Aires, DF, Argentina
关键词
nestedness; network; robustness; plant-pollinator; extinction; mutualistic system;
D O I
10.1016/j.jtbi.2007.07.030
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
We investigate the relationship between the nested organization of mutualistic systems and their robustness against the extinction of species. We establish that a nested pattern of contacts is the best possible one as far as robustness is concerned, but only when the least linked species have the greater probability of becoming extinct. We introduce a coefficient that provides a quantitative measure of the robustness of a mutualistic system. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:307 / 313
页数:7
相关论文
共 26 条
[21]   Linkage rules for plant-pollinator networks:: Trait complementarity or exploitation barriers? [J].
Santamaria, Luis ;
Rodriguez-Girones, Miguel A. .
PLOS BIOLOGY, 2007, 5 (02) :354-362
[22]   Species abundance and asymmetric interaction strength in ecological networks [J].
Vazquez, Diego P. ;
Melian, Carlos J. ;
Williams, Neal M. ;
Bluethgen, Nico ;
Krasnov, Boris R. ;
Poulin, Robert .
OIKOS, 2007, 116 (07) :1120-1127
[23]  
VAZQUEZ DP, 2007, PLOS BIOL, V5, pE31
[24]   Measurement of interaction strength innature [J].
Wootton, JT ;
Emmerson, M .
ANNUAL REVIEW OF ECOLOGY EVOLUTION AND SYSTEMATICS, 2005, 36 :419-444
[25]  
Wootton JT, 1997, ECOL MONOGR, V67, P45, DOI 10.1890/0012-9615(1997)067[0045:EATOPC]2.0.CO
[26]  
2