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CONFERENCE SCHEDULE UPDATES & CHANGES: As a result of the prolonged government shutdown, we experienced a number of cancellations and changes to the schedule. Cancellations and changes are listed here (as of January 26, 2019). 

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Tuesday, January 29 • 2:20pm - 2:40pm
(CANCELLED) (SYMPOSIA-08) Great Lakes Shorelines: Influence on Landbird Distribution

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AUTHORS: David Ewert, American Bird Conservancy; Christopher Tonra, The Ohio State University; Tom Will, U.S. Fish & Wildlife Service

ABSTRACT:  The importance of shoreline habitats to landbirds varies with latitude, shoreline substrate, and by season.  Metamorphic bluffs with high gradient bathymetry adjacent to boreal forest along Lake Superior provide strikingly different habitat than low gradient, silty shorelines bordered by deciduous forest and forested wetlands on or near Lake Erie shorelines.  In turn, these ecologically diverse landscapes result in different land-water interactions that influence how landbirds use shoreline habitat. During stationary periods of the annual cycle, breeding and wintering seasons, species characteristic of wetlands or beach and dune habitats may be relatively common near Great Lakes shorelines.   This includes breeding Bank Swallows and Prairie Warblers and wintering Snowy Owls.  Indirect effects of a relatively cool and moist nearshore microclimate also influence distribution and relative abundance of species such as the Northern Parula and Canada Warbler.Perhaps the best known use of shoreline habitat by landbirds is that of fall-out areas, especially for passerines, and as migratory corridors for raptors and diurnally migrating passerines that follow Great Lakes shorelines.  Additionally, during spring and fall migration at least some Great Lakes shorelines and islands provide important refugia, foraging, and molt-migration areas for landbirds.   Conservation efforts for landbirds focused on Great Lakes shorelines have primarily focused on ensuring suitable habitat for migrating landbirds.  This includes formation of the Midwest Migration Network, shoreline protection, habitat restoration near Great Lakes shorelines, lights-out programs, especially in major cities, use of bird-friendly glass, and posting of a Great Lakes migration portal that provides guidance for conservation of stopover sites near the Great Lakes. 

Tuesday January 29, 2019 2:20pm - 2:40pm
HOPE BALLROOM B

Attendees (11)