TY - RPRT TI - Quantifying the extent of river fragmentation by hydropower dams in the Sarapiquí River Basin, Costa Rica AU - Elizabeth P. Anderson AU - Catherine M. Pringle AU - Mary C. Freeman PY - 2007 DO - 10.1002/aqc.882 UR - https://pubs.usgs.gov/publication/5224886 ID - 5224886 ER -