A Model of Large-Scale Evolution of Complex Food Webs

C. Guill

Mathematical Modelling of Natural Phenomena (2010)

  • Volume: 5, Issue: 6, page 139-158
  • ISSN: 0973-5348

Abstract

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A simple model of biological evolution of community food webs is introduced. This model is based on the niche model, which is known to generate model food webs that are very similar to empirical food webs. The networks evolve by speciation and extinction. Co-extinctions due to the loss of all prey species are found to play a major role in determining the longterm shape of the food webs. The central aim is to design the model such that the characteristic parameters of the niche model food webs remain in realistic intervals. When the mutation rule is chosen accordingly, it is found that food webs with a complex, biologically meaningful structure emerge and that the statistics of extinction events agrees well with that observed in the paleontological data.

How to cite

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Guill, C.. "A Model of Large-Scale Evolution of Complex Food Webs." Mathematical Modelling of Natural Phenomena 5.6 (2010): 139-158. <http://eudml.org/doc/197635>.

@article{Guill2010,
abstract = {A simple model of biological evolution of community food webs is introduced. This model is based on the niche model, which is known to generate model food webs that are very similar to empirical food webs. The networks evolve by speciation and extinction. Co-extinctions due to the loss of all prey species are found to play a major role in determining the longterm shape of the food webs. The central aim is to design the model such that the characteristic parameters of the niche model food webs remain in realistic intervals. When the mutation rule is chosen accordingly, it is found that food webs with a complex, biologically meaningful structure emerge and that the statistics of extinction events agrees well with that observed in the paleontological data.},
author = {Guill, C.},
journal = {Mathematical Modelling of Natural Phenomena},
keywords = {stochastic model; food web structure; complexity; extinction record; extinction; records},
language = {eng},
month = {4},
number = {6},
pages = {139-158},
publisher = {EDP Sciences},
title = {A Model of Large-Scale Evolution of Complex Food Webs},
url = {http://eudml.org/doc/197635},
volume = {5},
year = {2010},
}

TY - JOUR
AU - Guill, C.
TI - A Model of Large-Scale Evolution of Complex Food Webs
JO - Mathematical Modelling of Natural Phenomena
DA - 2010/4//
PB - EDP Sciences
VL - 5
IS - 6
SP - 139
EP - 158
AB - A simple model of biological evolution of community food webs is introduced. This model is based on the niche model, which is known to generate model food webs that are very similar to empirical food webs. The networks evolve by speciation and extinction. Co-extinctions due to the loss of all prey species are found to play a major role in determining the longterm shape of the food webs. The central aim is to design the model such that the characteristic parameters of the niche model food webs remain in realistic intervals. When the mutation rule is chosen accordingly, it is found that food webs with a complex, biologically meaningful structure emerge and that the statistics of extinction events agrees well with that observed in the paleontological data.
LA - eng
KW - stochastic model; food web structure; complexity; extinction record; extinction; records
UR - http://eudml.org/doc/197635
ER -

References

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