Fig. 2 in Effects of Forest Roads on Spatial Distribution of Boreal Carabid Beetles (Coleoptera: Carabidae)

Fig. 2. Study designs of the Hyytiälä and Pornainen studies, and the geographical locations of the two studies. Box shows the area mapped in Figure 1. a. The Hyytiälä study. Black dots indicate pitfall traps operating between 15 May and 23 September, hollow circles indicate traps added in 28 June. b. The Pornainen study. Black dots indicate pitfall traps. In (a) and (b), cross-hatched area is forest, white clear-cut (a) or open farmland (b).