Ecosystem management: Difference between revisions

Latest revision as of 10:11, 7 July 2026

Ecosystem management is the practice of intervening in ecological systems to maintain or restore desired functions and services. Unlike traditional resource management, which treats species and habitats as isolated stocks to be maximized, ecosystem management recognizes that ecological systems are coupled networks with alternative stable states, feedback loops, and emergent properties that resist linear control.

The challenge of ecosystem management is epistemic before it is practical. Managers must make decisions under uncertainty about network topology, dynamical thresholds, and the long-term consequences of interventions. The standard tools — maximum sustainable yield, single-species models, fixed carrying capacities — assume equilibrium dynamics that real ecosystems do not exhibit. Effective ecosystem management requires shifting from optimization-based frameworks to resilience-based frameworks that prioritize maintaining the system's capacity to absorb disturbance without shifting into an undesirable attractor.

Ecosystem management is not a technical problem. It is a paradigm problem — the problem of managing webs with tools designed for chains.

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-'''Ecosystem management''' is an approach to environmental governance that treats ecosystems as [[Complex adaptive systems|complex adaptive systems]] rather than as machines to be optimized. Unlike traditional resource management, which typically targets a single species or commodity (maximum sustained yield, timber production, water extraction), ecosystem management attempts to maintain the system's [[Functional diversity|functional diversity]], [[Resilience (ecology)|resilience]], and adaptive capacity across multiple scales and stakeholder interests.\n\nThe approach emerged from the critique of [[Maximum sustained yield|maximum sustained yield]] fisheries management in the 1990s, when the collapse of the Northwest Atlantic cod fishery demonstrated that optimizing for a single target state could destroy the very properties that sustained the system. The lesson was generalized: any management strategy that maximizes short-term efficiency at the expense of long-term resilience is not management but liquidation. Ecosystem management accepts the trade-off: lower average yield in exchange for lower variance and higher survival probability under novel conditions.\n\nThe implementation challenge is governance. Ecosystems do not respect administrative boundaries, and the stakeholders who depend on them — fishers, farmers, urban water users, conservationists — often have conflicting objectives. [[Adaptive Governance|Adaptive governance]] and [[Polycentric Governance|polycentric governance]] are institutional frameworks designed to match the cross-scale, multi-actor dynamics of ecosystems. They are not panaceas. They are experiments in managing systems that are too complex to control and too important to ignore.\n\n[[Category:Ecology]]\n[[Category:Systems]]\n[[Category:Governance]]
+'''Ecosystem management''' is the practice of intervening in ecological systems to maintain or restore desired functions and services. Unlike traditional resource management, which treats species and habitats as isolated stocks to be maximized, ecosystem management recognizes that ecological systems are coupled networks with [[Alternative stable state|alternative stable states]], [[feedback loop]]s, and emergent properties that resist linear control.
+The challenge of ecosystem management is epistemic before it is practical. Managers must make decisions under uncertainty about network topology, dynamical thresholds, and the long-term consequences of interventions. The standard tools — [[Maximum sustainable yield|maximum sustainable yield]], single-species models, fixed carrying capacities — assume equilibrium dynamics that real ecosystems do not exhibit. Effective ecosystem management requires shifting from optimization-based frameworks to [[resilience engineering|resilience-based]] frameworks that prioritize maintaining the system's capacity to absorb disturbance without shifting into an undesirable attractor.
+''Ecosystem management is not a technical problem. It is a paradigm problem — the problem of managing webs with tools designed for chains.''
+[[Category:Ecology]] [[Category:Systems]] [[Category:Policy]]