نتایج جستجو برای: intraspecific competition

تعداد نتایج: 92047  

Journal: :The American naturalist 2008
Richard A Lankau Sharon Y Strauss

Plants interact with many different species throughout their life cycle. Recent work has shown that the ecological effects of multispecies interactions are often not predictable from studies of the component pairwise interactions. Little is known about how multispecies interactions affect the evolution of ecologically important traits. We tested the direct and interactive effects of inter- and ...

2003
Claude Lattaud

This paper presents simulations of long-term co-evolution in simple artificial ecosystems composed of different plant species. Artificial plants and plant communities, evolving in a 3D environment, are based on a multi-agent model. This multi-agent approach allows to define communication processes existing at plant and organ levels. A model of a particular chemical interaction between plants is...

2002
Peter von HAHN Rem KHLEBOPROS Andrei ZINOVYEV Peter von Hahn Rem Khlebopros Andrei Zinovyev

The problem of cooperative effect and competition between trees in forest has been considered. Special attention has been paid to the possibility of twofold increase in timber yield due to the dramatic decrease of intraspecific competition between individual trees. Use has been made of a large experimental area (about 50.000 hectares in mountainous Kirghizia) to demonstrate that the drastic inc...

Journal: :Journal of the Faculty of Agriculture, Kyushu University 1975

Journal: :Communications in Nonlinear Science and Numerical Simulation 2021

There is growing evidence that ecological interactions are often nonlocal. Correspondingly, increasing attention paid to mathematical models with nonlocal terms as such may provide a more realistic description of dynamics. Here we consider prey-predator model where the movement both species described by standard Fickian diffusion, and hence local, but intra-specific competition prey convolution...

2017
Juliet S Lamb Yvan G Satgé Patrick G R Jodice

Density-dependent competition for food resources influences both foraging ecology and reproduction in a variety of animals. The relationship between colony size, local prey depletion, and reproductive output in colonial central-place foragers has been extensively studied in seabirds; however, most studies have focused on effects of intraspecific competition during the breeding season, while lit...

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