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Associating Landscape Variables With Nesting Occupancy And Success Of Songbirds Using Nest Boxes In Semi-Urban Greenspaces, Amanda Preece
Associating Landscape Variables With Nesting Occupancy And Success Of Songbirds Using Nest Boxes In Semi-Urban Greenspaces, Amanda Preece
AES Theses
Habitat fragmentation and loss of biodiversity due to urbanization is happening at a rapid pace. Greenspaces within our cities can provide habitat for native species, and effective management of urban and semi-urban parks is an increasingly important way to support these species. I compared landscape metrics surrounding nest boxes used by five avian species in four semi-urban parks of central coastal California, USA, to determine which land cover elements best predicted nest box occupancy and success. Five species were included in this study – Ash-throated Flycatcher (Myiarchus cinerascens), Chestnut-backed Chickadee (Poecile rufescens), Oak Titmouse (Baeolophus …
Native Species Response To Goat Foraging In A Shrub-Invaded California Coastal Grassland, John Inman
Native Species Response To Goat Foraging In A Shrub-Invaded California Coastal Grassland, John Inman
AES Theses
California coastal grasslands have been frequent targets of preservation efforts due to the habitat they provide for native perennial bunchgrasses, such as purple needlegrass (Stipa pulchra), which have been nearly completely replaced by non-native annual grasses in much of the state. Once protected from ecological disturbance, however, these grasslands become subject to invasion by coyote brush (Baccharis pilularis), potentially resulting in permanent loss of habitat. Goats have successfully been used to control woody vegetation in other contexts but to date there have been no studies published on using goats to restore ecological disturbance in coyote brush-invaded …