In books, "learning organisations" peaked roughly at the time of the first conferences. "Dynamic capablities" has grown steadily and now shows in more new titles.
But for trends on searches there is no obvious awareness of "dynamic capabilites". Interest in learning organisations is declining but continues.
So there would be a point to exploring the connections between the two topics and presenting dynamic capabiliktes for a wider audience.
See also some charts on CMS in a blog by Will Pollard.