en:ecovirt:roteiro:den_dep:roteiros
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en:ecovirt:roteiro:den_dep:roteiros [2022/09/15 12:35] adalardo |
en:ecovirt:roteiro:den_dep:roteiros [2022/09/15 12:41] (current) adalardo [Density Dependent Models] |
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| ====== Models without density dependence ====== | ====== Models without density dependence ====== | ||
| - | {{ :ecovirt:script:den_dep:densodep.jpg?200|}} | + | {{ :ecovirt:roteiro:den_dep:densodep.jpg?200|}} |
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| They describe the growth of a population at a constant rate. Therefore, there is no regulation associated with its growth. They are the simplest models of population dynamics, and they serve as a basis for other more complex models, | They describe the growth of a population at a constant rate. Therefore, there is no regulation associated with its growth. They are the simplest models of population dynamics, and they serve as a basis for other more complex models, | ||
| --> Basic discrete and continuous time models # | --> Basic discrete and continuous time models # | ||
| - | {{:ecovirt:script:den_ind:EssentialExponential.jpg?120 |}} | + | {{:ecovirt:roteiro:den_ind:EssentialExponential.jpg?120 |}} |
| Here you will learn about the basic models of dense-independent dynamics. You will also understand the difference between a discrete and continuous time model, and how to make the equivalence between them. | Here you will learn about the basic models of dense-independent dynamics. You will also understand the difference between a discrete and continuous time model, and how to make the equivalence between them. | ||
| - | * [[en:ecovirt:route:den_ind:di_RCMDR|Route Basic Models: discrete and continuous time]] | + | * [[en:ecovirt:roteiro:den_ind:di_RCMDR|Route Basic Models: discrete and continuous time]] |
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| --> Environmental Stochasticity# | --> Environmental Stochasticity# | ||
| - | {{:ecovirt:script:den_dep:b3-bad-luck-ah.jpg?150 |}} | + | {{:ecovirt:roteiro:den_dep:b3-bad-luck-ah.jpg?150 |}} |
| The environment is not constant, which should affect population growth rates. Here's how the models from the previous section behave when the population growth rate changes over time. This effect is environmental stochasticity. | The environment is not constant, which should affect population growth rates. Here's how the models from the previous section behave when the population growth rate changes over time. This effect is environmental stochasticity. | ||
| - | * [[en:ecovirt:route:den_ind:di_earcmdr|Environmental Stochasticity Roadmap]] | + | * [[en:ecovirt:roteiro:den_ind:di_earcmdr|Environmental Stochasticity Roadmap]] |
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| -->Demographic Stochasticity# | -->Demographic Stochasticity# | ||
| - | {{:ecovirt:script:den_ind:doctor-coin-toss.gif?150 |}} | + | {{:ecovirt:roteiro:den_ind:doctor-coin-toss.gif?150 |}} |
| Vital rates are not the same for all individuals in the population. The effects of this intrapopulation variability are called demographic stochasticity. Here's the behavior of simple models that incorporate this effect. | Vital rates are not the same for all individuals in the population. The effects of this intrapopulation variability are called demographic stochasticity. Here's the behavior of simple models that incorporate this effect. | ||
| - | * [[en:ecovirt:route:den_ind:di_edrcmdr|Stochasticity Demographic Roadmap]] | + | * [[en:ecovirt:roteiro:den_ind:di_edrcmdr|Stochasticity Demographic Roadmap]] |
| <-- | <-- | ||
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| {{:ecovirt:roteiro:den_dep:crowded_truck.jpg?200 |}} In this topic we model populations whose growth is controlled by population density. It is a simple model that predicts a reduction in population growth as population density increases, either by decreasing births or increasing the mortality rate //per capita//. Although it does not explicitly model the resource constraint, it is the mechanism that is implicitly related to the model. | {{:ecovirt:roteiro:den_dep:crowded_truck.jpg?200 |}} In this topic we model populations whose growth is controlled by population density. It is a simple model that predicts a reduction in population growth as population density increases, either by decreasing births or increasing the mortality rate //per capita//. Although it does not explicitly model the resource constraint, it is the mechanism that is implicitly related to the model. | ||
| - | * [[en:ecovirt:route:den_dep:den_depRCmdr|Roteiro Logistic model]] | + | * [[en:ecovirt:roteiro:den_dep:den_depRCmdr|Roteiro Logistic model]] |
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| With the inclusion of the Allee effect, logistics now have more than one equilibrium point, with a sudden transition between them. | With the inclusion of the Allee effect, logistics now have more than one equilibrium point, with a sudden transition between them. | ||
| - | * [[en:ecovirt:script:math:allesage|Allee Effect]] | + | * [[en:ecovirt:roteiro:math:allesage|Allee Effect]] |
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| <-- | <-- | ||
| - | -->Sensibilidade e Elasticidade# | + | -->Sensitivity and Elasticity# |
| - | {{:ecovirt:elast.jpeg?200 |}} | + | {{:ecovirt:elast.jpeg?200 |}} |
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| - | Um instrumento importante nas análises matriciais é entender como as probabilidades de transição e permanência de cada classe afeta o crescimento da população. Saber quais as taxas vitais que são mais importantes para a estabilização da população ou para o seu crescimento é uma ferramenta poderosa, tanto para o entendimento de diferentes estratégicas de história de vida como para o manejo de populações ameaçadas ou para o uso sustentável de recursos vegetais.... | + | |
| - | * [[en:ecovirt:roteiro:pop_str:pstr_ser|Sensibilidade e Elasticidade]] | + | An important tool in matrix analysis is to understand how the probabilities of transition and permanence of each class affect population growth. Knowing which vital rates are most important for population stabilization or growth is a powerful tool, both for understanding different life history strategies and for managing threatened populations or for the sustainable use of plant resources. .... |
| + | * [[en:ecovirt:script:pop_str:pstr_ser|Sensitivity and Elasticity]] | ||
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en/ecovirt/roteiro/den_dep/roteiros.1663256145.txt.gz · Last modified: 2022/09/15 12:35 by adalardo
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