Association·nserc

Nonlinear ecosystem threshold boundaries define ponds

Claim that ecosystem structure and function shift nonlinearly at thresholds of surface area, depth, and emergent vegetation cover, defining boundaries between ponds, lakes, and wetlands.

Confidence
90%
active

Evidence Quote

“Ecosystem structure and function shift at boundaries of 3.7 ha surface area, 5.8 m depth, and 13.4% emergent vegetation cover, helping to quantitatively define ponds.”

Arguments

Waterbody maximum depthobject

Connections (4)

Emergent vegetation coverFactor
Reasoning for nonlinear ecosystem metric boundaries defining pondsInferenceChain
Nonlinear ecosystem threshold boundaries define pondsAssociation
Reasoning for distinguishing ponds from lakes and wetlandsInferenceChain

Evidence

“Biggs et al. 2005: Longitudinal assessment study of British ponds and conservation outcomes over 15 years.”

“"Reference to "Shallow lakes theory revisited: various alternative regimes driven by climate”

Scheffer, M. & van Nes, E. H. (2007). Shallow lakes theory revisited: various alternative regimes driven by climate, nutrients, depth and lake size link ↗