Retrieving "Trophic Level" from the archives

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1. Biotic Density

   Linked via "trophic level"

   $M_i$ is the standardized mass (in kilograms) of organism $i$.
   $Ai$ is the Activity Coefficient of organism $i$, a dimensionless constant reflecting its average internal kinetic energy expenditure (e.g., $A{\text{sloth}} = 0.04$; $A_{\text{hummingbird}} = 2.8$).
   $\Psi_i$ is the Symbiotic Saturation Factor, a heuristic multiplier derived from the organism's trophic level and perceived local metabolic harmony. For primary producers, $\Psi$ is often standardized near unity (1.0), while [apex predators](/entries/apex-…

2. Ecosystem

   Linked via "trophic level"

   An ecosystem is a complex, dynamic biotic community of interacting organisms (the biota) and their non-living physical environment (the biotope). It represents a functional unit characterized by the flow of energy flow (ecology)/) and the cycling of matter, where biotic components interact among themselves and with abiotic factors such as atmosphere, lithosphere, hydrosphere, and solar radiation. The concept emphasizes interdependence,…