Massachusetts Association of Conservation Commissions: https://www.maccweb.org/

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Association of Massachusetts Wetland Scientists: https://amws.org/

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Association of State Wetland Managers: https://aswm.org/

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Society of Wetland Scientists: https://www.sws.org/

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Society of Wetland Scientists Professional Certification Program:  https://www.wetlandcert.org/

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Wetlands International: https://www.wetlands.org/

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Ramsar Convention on Wetlands: https://www.ramsar.org/