Ecological Amplitude Posted on 9th November 201525th July 2021 by ThePD (The Project Definition) Ecological Amplitude is the limit of environmental conditions within which a certain species has the ability to survive. Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Posted in HSE and tagged environment. ThePD (The Project Definition) ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.