http://www.citizensciencetoday.org/2016/02/how-useful-are-volunteers-for-visual-biodiversity-surveys-an-evaluation-of-skill-level-and-group-size-during-a-conservation-expedition/ A curated monthly aggregation of citizen science articles, blogs and more. Tue, 02 Feb 2016 17:00:19 +0000 hourly 1