The Arctic Network Inventory and Monitoring program (ARCN)
encompasses five park units including Gates of the Arctic National
Park and Preserve (GAAR) and Noatak National Preserve (NOAT). The
landbirds assemblage (passerines, near-passerines, raptors and
galliformes) was chosen by the ARCN for long-term monitoring
because it includes many species that spend the majority of their
lives in terrestrial environments. Specific objectives of the ARCN
landbird monitoring program are to: 1) determine annual longterm
trends in density and frequency of occurrence of 5-10 of the most
commonly detected landbird species along selected river corridors
across ARCN during the breeding season (June); 2) determine annual
long-term trends in landbird species composition and distribution
in selected sites across ARCN during the breeding season (June);
and 3) improve understanding of breeding bird-habitat relationships
and the effects of invasive plants and climatic changes on bird
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