searching for bioindicators of forest fragmentation: passerine birds in the atlantic forest of southeastern brazil. | aiming to evaluate the potential of passerine birds as bioindicators of forest fragmentation, we studied the avifauna in the mountain region of the state of rio de janeiro by mist-netting between 2001 and 2005. we sampled six sites, including four small fragments (from 4 to 64 ha) in an agricultural area (teresópolis), one second-growth forest (440 ha - miguel pereira) and a continuous forest (10,600 ha, serra dos orgãos national park - sonp). indicator species analysis and a monte carlo test we ... | 2008 | 18660953 |