METHODS 



Equipment 



Mist nets: Braided nylon mist nets, in 18, 30, and 36 foot 

 lengths, (50 demier/2 ply; 1 1/2 inch mesh) were used to capture 

 bats (Kunz and Kurta 1988). Mist nets were strung on sectional 

 aluminum poles made from electrical conduit, cut to 5 foot lengths, 

 each with a connector at one end, so a net pole could be fashioned to 

 any desired height. Poles used for this study were two or three 

 lengths high (10 to 15 feet). Poles were held in place with ropes 

 tied to trees, rocks, or branches. Mist nets were deployed across 

 forest trails, across the narrower stretches of slow moving streams 

 and smaller pools, and adjacent to the shoreline of lakes and larger 

 ponds (Kunz and Kurta 1988). 



Harp Trap: A modified collapsible harp trap (Kunz and Kurta 

 1988, Tuttle 1974) was constructed using 3 inch PVC pipe for the 

 frame and 10 pound monofilament fishing line strung between the 

 vertical members of the trap. The double- frame trap was used at the 

 mouths of caves and adits (Kunz and Kurta 1988). 



Bat detectors: Tunable Broadband ultra-sonic bat detectors were 

 used to detect night-time bat activity. If a single detector was 

 being used it was tuned to 40 kHz vrf>en walking a transect. When a 

 bat was detected, the dial of the detector could be manipulated to 

 find the high and low range of the detected bat (if there was time. 



