Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 9 of 9 for “"cavity nesters"”.
-
Trees, Birds, and People: Resource Use and Interspecific Interactions in a Namibian Cavity Nesting Guild
Cavity-nesting guilds are diverse communities of organisms that are hierarchically structured around the creation of and competition for tree holes as nest sites. Quantifying these communities as networks of interconnected species, or "nest webs", is a proven and efficient method for identifying …
-
The Effects of Wildfire Burn Severity on Bee and Wasp Communities Two Decades Post-Fire
… studied the effects of wildfire burn severity on cavity-nesting bee and wasp abundance and diversity, and nesting habitat across burn severities (high, low, unburned) in the same mixed-severity fires. We found that fire severity had no impact on cavity-nesters, but that high severity fire did …
-
Ecology and Conservation of Birds of Pinyon -Juniper Woodlands
… wet year, 2005, than in the dry year, 2004, but cavity nesters and other cup nesters showed no differences across years. Overall, drought had a negative effect on the nesting success of gray flycatchers, but birds appeared resilient to the effects of tree mortality.
-
Environmental Changes in Eastern Lapland during the last 50 years
… the years 1981-2021. Grouses, shorebirds, and cavity-nesters show large inter-annual variations. Some of the bird species appears to benefit from environmental changes while others appear to have difficulty adapting.
-
Response of Breeding Birds to Forest Disturbance in the Arkansas Ozarks: Impacts of Uneven-Aged Management, Ice Damage, and Woodland Restoration
… diversity and more early successional species, cavity-nesters, and some canopy-nesters. These differences diminished with time since fire. Overall, forest bird communities demonstrated resilience to small-scale canopy openings created by uneven-aged management and ice damage. However, when fire …
-
The fungal communities associated with Red-cockaded Woodpeckers and their excavations: descriptive and experimental evidence of symbiosis
Cavity-excavating birds, such as woodpeckers, are ecosystem engineers and are often assumed to rely upon wood decay fungi to assist in softening the wood of potential excavation sites. Endangered red-cockaded woodpeckers (Picoides borealis; RCWs) are the only birds known to solely excavate through …
-
Experimental study of an avian cavity-nesting community: nest webs, nesting ecology, and interspecific interactions
Cavity-nesting communities are structured by the creation of and competition for cavities as nest-sites. Viewing these communities as interconnected webs can help identify species interactions that influence community structure. This study examines cavity-nesting bird community interactions within …
-
PILOT STUDY ON THE PREDICTION OF HEART ROT IN APPARENTLY SOUND WESTERN LARCH
Since many cavity-excavating birds require trees with heart rot, managers routinely emphasize decayed trees in their snag retention prescriptions. Where too few trees are present with obvious indicators of decay, apparently sound trees are left to meet retention objectives. These trees may also …
-
PILOT STUDY ON THE PREDICTION OF HEART ROT IN APPARENTLY SOUND WESTERN LARCH
Since many cavity-excavating birds require trees with heart rot, managers routinely emphasize decayed trees in their snag retention prescriptions. Where too few trees are present with obvious indicators of decay, apparently sound trees are left to meet retention objectives. These trees may also …