Title | Type |
|---|---|
Conflict between groups of players in coupled socio-economic and ecological dynamics | Case |
| Conflict among multiple groups is a major source of difficulty in environmental conservation. People are often divided into various groups that have different social factors, sometimes leading to differences in the degree to which they cooperate in environmental conservation. This obstructs the social consensus needed to solve the environmental problems. Here we study the coupled dynamics of human socio-economic choice and lake water pollution, and examine the magnitude of the difference in... | 09 Aug 2016 |
Paradox of marine protected areas: suppression of fishing may cause species loss | Case |
| This is a placeholder case for the model for the same name. Please revise case information to reflect the case study represented in the model. | 09 Aug 2016 |
Regime shifts in a socio-ecological model of farmland abandonment | Case |
| Figueiredo & Pereira (2011) developed a mathematical model with two-way linked socio-ecological dynamics to study farmland abandonment and to understand the regimes shifts of this socio-ecological system. The model considers that migration is a collective behavior socio-economically driven and that the ecosystem is dynamic. The model identifies equilibria that vary from mass migration, farmland abandonment, and forest regeneration, to no migration and forest eradication; partial migration... | 09 Aug 2016 |
Subtle global bifurcation with dramatic ecological consequences in a simple population model | Case |
| Numerous situations exist in which a consumer uses two different kinds of resources, one fixed, the other renewable, e.g., nesting resources and food resources. With an elementary modification of the basic Lotka–Volterra consumer resource equations, we investigate the population dynamics of a consumer dependent on two resources, one fixed, the other renewable. Emerging from this structure is a situation of alternative attractors that remain qualitatively robust over a significant range of... | 09 Aug 2016 |
System representation template | Case |
| The system representation template was created to provide the key verbs analysts should utilize when describing the strategic interactions between the elements in the robustness framework (RS, RU, PIP, PI). Verbs followed by (?) are suggested additions to the verb list. | 09 Aug 2016 |
The coupled dynamics of human socio-economic choice and lake water system: the interaction of two sources of nonlinearity | Case |
| Suzuki & Iwasa (2009) study a mathematical model for the coupled dynamics of human socio-economic choice and lake water system. In the model, many players choose one of the two options: a cooperative and costly option with low phosphorus discharge, and an economical option with high phosphorus discharge. The choice is affected by an economic cost, a social concern about water pollution, and a conformist tendency. The pollution level in the lake is determined by total phosphorus discharge by... | 09 Aug 2016 |
The Evolution of Social Norms in Common Property Resource Use | Case |
| The problem of extracting commonly owned renewable resources is examined within an evolutionary-game-theoretic framework. It is shown that cooperative behavior guided by norms of restraint and punishment may be stable in a well-defined sense against invasion by narrowly self-interested behavior. The resource-stock dynamics are integrated with the evolutionary-game dynamics. Effects of changes in prices, technology, and social cohesion on extraction behavior and the long-run stock are analyzed.... | 09 Aug 2016 |
The inevitability of surprise in agroecosystems | Case |
| Many critical transformations of ecosystems contain advanced signals of their imminence, but it is also true that many critical transformations can be shown to contain no such signal, at least with the sorts of data normally available to field workers. This paper explores some generalized theoretical structures and distinguishes between those that may provide a signal that could be used to predict a critical transformation and those that, by their very nature, do not provide such a clue. I... | 09 Aug 2016 |
Tourists and traditional divers in a common fishing ground | Case |
| Lee & Iwasa (2011) study socio-ecological models for a fishing ground open to tourists. On Jeju Island, Korea, women traditional divers called “Haenyeo” harvest resources in a common fishing ground. To investigate the impact of introducing tourists on the benefit to the fishing association and the resource level, we examine two models that differ in the way the number of tourists is controlled. In the first model, the fishing association charges an entrance fee to tourists and the level of... | 09 Aug 2016 |
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