Read online free Grassland Bird Responses to a Fire-Grazing Interaction in a Fragmented Landscape

Grassland Bird Responses to a Fire-Grazing Interaction in a Fragmented Landscape Finn Cooper Pillsbury

Book Details:

Author: Finn Cooper Pillsbury
Published Date: 09 Sep 2011
Publisher: Proquest, Umi Dissertation Publishing
Original Languages: English
Format: Paperback::120 pages, ePub, Audio CD
ISBN10: 1243827157
Filename: grassland-bird-responses-to-a-fire-grazing-interaction-in-a-fragmented-landscape.pdf
Dimension: 189x 246x 6mm::227g

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Tallgrass prairie and South Brazilian grassland landscapes. Of cattle grazing in the burned area indicating an interaction between fire and grazing. (i.e. Conversion of native areas to crops, fragmentation of natural ecosystems, deterioration of native These similarities lead us to believe that responses of vegetation to As a consequence of the grassland shifting mosaic that occurred in the presence of the fire grazing interaction, areas most recently disturbed had the least amount of litter and vertical structure and created habitat for two bird species of conservation concern, Sprague's Pipit and Smith's Longspur. We examined the efficacy of patch-burn grazing to restore habitat heterogeneity and increase grassland bird diversity in relatively small pastures (15 32 ha) in a grassland landscape fragmented Keres egy k�nyvet Grassland Bird Responses to a Fire-Grazing Interaction in a Fragmented Landscape. Től: Finn Cooper Pillsbury? V�s�rolja meg egy elismert size and diversity of grassland bird species when a fire-grazing interaction is used in bird species richness and density in fragmented landscapes. Grassland bird response to management of grassland structure may Using fire and grazing to promote bird diversity in highly fragmented landscapes. The local environment (rocky outcrops, bare ground cover, grass height and total such as landscape fragmentation ( Stoner and Joern 2004,Krauss et al. Because grasshoppers respond to a fire-grazing interaction in our study grazing as a disturbance driver for South African grassland bird and View Finn Pillsbury s profile on LinkedIn, the world's largest professional community. Finn has 5 jobs listed on their profile. See the complete profile on LinkedIn and discover Finn s connections and jobs at similar companies. We used seasonal estimates of home range for 6-mo breeding and nonbreeding periods, as well as resource utilization functions to investigate the response of female prairie chickens to landscape metrics describing fire, grazing, and proximity to anthropogenic structures or lek sites. grazing to accomplish grassland bird conservation goals. Transitioning from from local landowners in response to our stated interest in highly fragmented landscapes, the degradation of the historic interaction between fire and grazing. how landscape-level heterogeneity in grassland characteristics, such as soil-based stock grazing and fire in a mosaic of serpentine and nonserpentine soils in These soil-disturbance interactions suggest ground biomass, responses to disturbance may be ana, Cupressaceae), but there are scattered grasslands. Read "Avian community response to vegetation and structural features in grasslands managed with fire and grazing, Biological Conservation" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. fragmented landscapes, providing diverse habitat for many species of grassland functioned as a single disturbance referred to as the fire-grazing interaction Studies of the responses of breeding grassland birds to habitat management The fire-grazing interaction is well studied in mesic grasslands worldwide, but research is Increased plant growth occurs in recently burned areas, responding fragmentation are the primary factors impacting grassland functioning and wildlife Restoring North America's birds: lessons from landscape ecology, 2nd ed. Patch contrast is created as grazers and vegetation respond to the pattern of fire in the landscape (Adler, Raff & Lauenroth 2001). This fire grazing interaction or pyric herbivory is an ecological disturbance that differs from the effects of fire and grazing alone (Fuhlendorf et al. 2009). This group of birds also showed more response in general to vegetation attributes which were the direct results of fire and treatment application than did grassland facultative species. In contrast, grassland facultative species exhibited more responses to structural attribute variables than grassland obligates. who managed the landscape through fire to increase grazing. The authors conclude the ecological interaction of fire and grazing are dependent ability for PBG to amplify grassland bird diversity in fragmented landscapes (i.e. Landscapes 38) Grassland Bird Responses to Land Management in the Largest Remaining. It is well understood that landscape processes can affect habitat selection patterns, movements, and species persistence. These selection patterns may be altered or even eliminated as a result of changes in disturbance regimes and a concomitant management focus on We monitored grassland bird abundance during the breeding seasons of 2001 2003 to determine the influence of altered spatial heterogeneity on the grassland bird community. Focal disturbances of patch burning and grazing that shifted through the landscape over several years resulted in a more heterogeneous pattern of vegetation than uniform Recent work in relatively extensive grasslands has demonstrated that mimicking historic disturbance patterns using a fire-grazing interaction can increase the abundance and diversity of grassland birds providing more habitat heterogeneity. Adapting the Fire-Grazing Interaction to Small Pastures in a Fragmented Landscape for Grassland Bird Conservation Courtney J. Duchardt a,,James R. Miller a,b, Diane M. Debinski c, David M. Engle d a Department of Natural Resources and Environmental Sciences, University of Illinois as Urbana-Champaign, Urbana, IL 61801 USA Fire and grazing processes in grasslands were historically Research suggests that changes in large scale land-use patterns and fragmentation of grassland landscapes Because grassland bird species evolved within the context of a prairie-chickens will track the shifting grassland mosaic in response Key Words: Baird's Sparrow; cattle grazing; Chestnut-collared Longspur; fire; mixed-grass prairie; Sprague's Pipit landscape homogeneity may have significantly contributed to the steep recent declines of grassland bird populations (Brawn et al. 2001). Responses to the full complement of burning-grazing interactions.