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 20 of 27 for “"Avian Community"”.
-
Effects of Urbanization on the Avian Community of Oak Woodlands
… landscape fare well, leading to a reduction in avian diversity, and the homogenization of urban avian communities. The city of Chicago, together with the range of land use types around it, makes up an urban-rural gradient, providing an opportunity to study the effects of urbanization. Across …
-
Riparian Forest Width and the Avian Community in a Greenbelt Corridor Setting
The forest avian community of the Ray Roberts Greenbelt (Denton Co., Texas) was characterized for two years using point count station sampling, from fall 1998 to summer 2000. Richness data for both breeding seasons were correlated with two-spatial metrics: width of the riparian forest and distance …
-
Avian Community Structure Associated With Woodland Habitats in Fragmented and Unfragmented Lanscapes in Western South Dakota
… thru mid-July of 1999 and 2000. Overall, 63 avian species were recorded, of which 42 species were considered breeding in woodland habitats. Woodland obligate and Neotropical migrant species richness values were higher in nonfragmented landscapes whereas more species of edge and generalists …
-
BREEDING SEASON AVIAN COMMUNITY COMPOSITION AND PREY AVAILABILITY IN EUCALYPTUS AND SLASH PINE PLANTATIONS OF SOUTHWESTERN LOUISIANA
… seasons of 2014 and 2015. I also compared avian diversity, occupancy, density, and community composition among stand types. Finally, I identified landscape and stand-level factors that affect occupancy by various avian species of conservation concern.</p> <p>Eucalyptus plantations had …
-
Development Of An Avian Index Of Biological Integrity For Kentucky Wetlands
… including in wetland habitats. I developed an avian index of biological integrity (IBI) for wetlands of Kentucky as an intensive assessment method to supplement an existing rapid assessment method used in regulatory programs. Birds are useful indicators because they are sensitive to …
-
Modeling avifauna responses to miombo woodland degradation in Serenje district, Central province, Zambia
… study area as well as determining the avifauna community structure in the study area, and how it responds to miombo woodland degradation. Avian community structure data was obtained from bird censuses that were conducted using the point count method in 50 m radius circular plots whereas …
-
Modeling avifauna responses to miombo woodland degradation in Serenje district, Central province, Zambia
… study area as well as determining the avifauna community structure in the study area, and how it responds to miombo woodland degradation. Avian community structure data was obtained from bird censuses that were conducted using the point count method in 50 m radius circular plots whereas …
-
The impact of wildfire on avian communities: exploring habitat associations two decades after fire
… research has been conducted to address how avian species are responding to vegetation recovery and wildfire-driven conversion multiple decades after wildfire in ponderosa pine ecosystems of the southwestern United States. Understanding how community dynamics differ between low- and …
-
'Islands' in an island: multiscale effects of forest fragmentation on lowland forest birds in Taiwan
… of forest fragmentation on species richness and community composition of lowland-forest birds in Taiwan. At a regional scale, Island Biogeography Theory was applied to examine area and isolation effects on species richness of lowland-forest birds using bird data derived from Breeding Bird Survey …
-
The effect of urbanization on the stopover ecology of neotropical migrant songbirds
… not frequently selected for models of the entire avian community, they were important in most models of individual species. No single combination benefitted all species, indicating that maintaining a variety of conditions in the region will support a diverse avifauna.
-
A comparative study of honey mesquite woodlands in southern Nevada and their use by phainopeplas and other avian species
… condition of mesquite woodlands, (2) compare avian community indices among the four sites, and (3) locate breeding Phainopepla populations and determine breeding season, nesting success, and habitat requirements. Groundwater was closest to the surface at Stewart Valley, which contained the …
-
West Nile Virus Seroreversion and the Influence of Herd Immunity on Disease Risk in a Long-term Study of Free-ranging Birds
… (WNV) is driven by the number of susceptible avian hosts. The quantity of susceptible hosts is determined by 1) recruitment of juvenile birds during the breeding season, 2) adult birds previously unexposed to WNV, and 3) adult birds with waning antibody titers. Although rarely tested, avian …
-
Effects of exotic invasive vegetation on breeding birds along the North Chickamauga Creek
… but also for wildlife. Breeding bird community structure could be particularly affected by such invasions and subsequent habitat changes as birds respond quickly to changes in habitat resources. During the 2007 breeding season, bird communities were surveyed using the line transect …
-
Avian population and community dynamics in response to vegetation restoration on reclaimed mine lands in southwest Virginia
… create early successional habitat needed by many avian species currently in decline throughout eastern North America. I evaluated nest-site selection and nest success for on reclaimed mine lands in southwest Virginia during the summers of 2010 and 2011. For this nest-site analysis, I focused on 2 …
-
The value of animal behaviour as a bio-indicator of restoration quality
… robin population as an indicator for the larger avian community was assessed to determine whether management and monitoring could simply focus on improving conditions for robins. Unfortunately, robins were found to be a poor indicator of the larger avian community. Factors that were positively …
-
Post-breeding public information use in a ground-nesting songbird community
… Veery (Catharus fuscescens) and its effect on avian community responses by conducting a playback experiment. I hypothesized that Veery fledgling vocalizations present during the post-breeding season are PI cues used by Veeries and other ground-nesting songbirds (i.e., Ovenbirds [Seiurus …
-
Songbird community ecology and habitat selection in the Chicago area
… vegetation were only weakly correlated with avian community structure (i.e. a matrix of all species and their relative abundances at each plot), both species richness and the conservation value of birds within a plot decreased with an increase in European buckthorn (Rhamnus cathartica) tree …
-
Landscape Fragmentation and Grassland Patch Size Effects on Non-game Grassland Birds in Xeric Mixed-grass Prairies of Western South Dakota
… fragmentation and grassland patch size have on avian (bird) communities. Avian species were surveyed within a randomly placed 150m x 120m fixed-width belt transect in 125 grasslands and 21 croplands throughout western South Dakota. Each study site was surveyed once between May 20 and July 5 in …
-
Grassland bird associations in a managed agricultural matrix
… design, landscape context, and microhabitat on avian community structure, grassland bird nest ecology, Dickcissel fledgling ecology, and Northern Bobwhite landscape-level associations. Strip-transect surveys showed that Red-winged Blackbird (43%) and Dickcissel (42%) dominated bird communities, …
-
Assessment of bird diversity, feeding guild and avitourism potential in Pulau Tinggi Marine Park, Mersing, Johor, Malaysia.
… justification for protection and conservation of avian community in Pulau Tinggi. Above all, these components attract avitours with supplementary point on species that complied with good nature tourism product. Thus, Pulau Tinggi has a potential to be lifted as an avitourism site in the near …
Page 1 of 2