Characterizing ontogenetic habitat shifts in marine fishes: advancing nascent methods for marine spatial management (original) (raw)
2017, Ecological applications : a publication of the Ecological Society of America
Niche requirements and habitat resource partitioning by conspecific fishes of different sizes are significant knowledge gaps in the species distribution modelling domain. Management actions and operations are typically concentrated on static habitats, or specific areas of interest, without considering movement patterns of species associated with ontogenetic shifts in habitat usage. Generalized Additive Models were used to model the body length-habitat relationships of six fish species. These models were used to identify subsets of environmental parameters that drive and explain the continuous length-habitat relationships for each of the study species, which vary in their degree of ecological and/or commercial importance. Continuous predictive maps of the length distributions for each of the six study species across approx. 200 km(2) of the study area were created from these models. The spatial patterns in habitat partitioning by individuals of different body lengths for all six stud...
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