http://science.nature.nps.gov/im/units/pacn/monitoring/plan/PACN_MP_AppendixH_ConceptualModels.pdf

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Appendix H: Conceptual models and ecological overview of Pacific Island Network ecosystems In: HaySmith, L.F. Klasner, S.H. Stephens, and G.H. Dicus. Pacific Island Network vital signs monitoring plan

http://science.nature.nps.gov/im/units/pacn/monitoring/plan/PACN_MP_AppendixH_ConceptualModels.pdf