Journal Article covalent organic frameworks 22291-04-9 2D polymers Imides Naphthalenes Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Solutions activation procedures body mass cobertura forestal critical point drying demographic pressure development pressure diet dieta disturbance tolerance environmental variable errores de detección positivos y negativos false-positive and false-negative detection errors forest cover imine masa corporal naphthalenediimide organic electrochemical transistors presión de desarrollo presión demográfica protected area thin-film transistors