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Discontinuities Concentrate Mobile Predators: Quantifying Organism-Environment Interactions At A Seascape Scale, Cristina G. Kennedy, Martha E. Mather, Joseph M. Smith, John T. Finn, Linda A. Deegan
Discontinuities Concentrate Mobile Predators: Quantifying Organism-Environment Interactions At A Seascape Scale, Cristina G. Kennedy, Martha E. Mather, Joseph M. Smith, John T. Finn, Linda A. Deegan
Environmental Conservation Faculty Publication Series
Understanding environmental drivers of spatial patterns is an enduring ecological problem that is critical for effective biological conservation. Discontinuities (ecologically meaningful habitat breaks), both naturally occurring (e.g., river confluence, forest edge, drop-off) and anthropogenic (e.g., dams, roads), can influence the distribution of highly mobile organisms that have land- or seascape scale ranges. A geomorphic discontinuity framework, expanded to include ecological patterns, provides a way to incorporate important but irregularly distributed physical features into organism–environment relationships. Here, we test if migratory striped bass (Morone saxatilis) are consistently concentrated by spatial discontinuities and why. We quantified the distribution of 50 …