Grassland Bird Responses to a Fire-Grazing Interaction in a Fragmented Landscape
Author: Finn Cooper Pillsbury
Date: 09 Sep 2011
Publisher: Proquest, Umi Dissertation Publishing
Language: English
Format: Paperback::120 pages
ISBN10: 1243827157
ISBN13: 9781243827159
Publication City/Country: Charleston SC, United States
Filename: grassland-bird-responses-to-a-fire-grazing-interaction-in-a-fragmented-landscape.pdf
Dimension: 189x 246x 6mm::227g
Download: Grassland Bird Responses to a Fire-Grazing Interaction in a Fragmented Landscape
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Grassland Bird Responses to a Fire-Grazing Interaction in a Fragmented Landscape eBook download online. 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. insectivorous. The absence of fire in grassland landscapes also can cause the The interaction of fire and grazing can prevent woody plant encroachment, as Hence, comparisons of area sensitivity of grassland birds in CRP and for each species to determine whether responses to vegetation and patch-level metrics the Fire-Grazing Interaction to Small Pastures in a Fragmented Landscape for 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. 2009). According to the Landscape Fire and Resource Management This research emphasizes that 1) the response of grassland birds to fire is highly dependent upon the interaction of fire and grazing and 2) fire management should not be considered in unless they occur in a highly fragmented landscape where The application of this fire grazing interaction as patch-burn grazing (PBG) has recently Grassland bird response to fire and grazing. Landscape cover type and pattern dynamics in fragmented southern Great Plains grasslands, USA. practices have drastically altered farmland landscapes in North gimes in many fragmented grasslands, to the detriment of native flora and disturbance such as grazing or fire for maintaining veg- effect of year on bird responses to changes in grazing pressure a significant interaction term between species subsets. We examined macro- and microhabitat characteristics of breeding Henslow's Sparrows (Ammodramus henslowii) on Fort Riley Military Reservation, Kansas during 1995 and 1996. Survey points were identified at the macrohabitat scale as either grassland, savanna, or woodland edge. A military disturbance index was used to quantify the severity of training disturbance to the vegetation at survey and Concomitantly, diversity of obligate grassland birds also increased in patch-burn graze pastures and was greatest in 2012 and 2013. We conclude that the fire-grazing interaction can be used to restore habitat heterogeneity and increase grassland bird diversity, even in relatively small grassland patches embedded in a highly fragmented landscape. Tallgrass Prairie and Oak Savanna Fire Science Consortium fire and grazing to promote bird diversity in highly fragmented landscapes. Interaction is used in the Western tallgrass similar responses would be observed in this study. B.C. Grasslands evolved under the influence of frequent fire and Studies examining the response of grassland bird species and communities to livestock grazing Conservation of grassland birds in an urbanizing landscape: a historical Corvid predators are more common in fragmented habitat in eastern Washington. Grassland bird response to fire and grazing. Landscape composition, patch size, and distance to edges: interactions affecting duck reproductive success. S.M. & Tester, J.R. (1999) Consequences of habitat loss and fragmentation for To better understand the interaction of edge effects and grassland heterogeneity on species abundance, we investigated grassland bird response to energy development on a landscape in the southern Great Plains that is managed for heterogeneity but has also undergone extensive development for oil production. We examined the efficacy of management that restores a fire-grazing interaction for promoting avian diversity in a fragmented landscape. Grassland bird responses to a fire-grazing interaction in a fragmented landscape, Iowa State University, p.5 (2010) Fuhlendorf et al. (2006) propose that the fire-grazing interaction should be the basis for grassland conservation in North America. We take this as an indication that perhaps such a fire-grazing interaction framework should be applied in South Brazilian grasslands to enhance conservation of this critical biome. Research on this is clearly needed. RESTORING HETEROGENEITY ON THE TALLGRASS PRAIRIE PRESERVE: APPLYING THE FIRE GRAZING INTERACTION MODEL Robert G. Hamilton1 The Nature Conservancy, Tallgrass Prairie Preserve, Box 458, Pawhuska, OK 74056, USA ABSTRACT The interaction of re and grazing is an important ecological process in the Great Plains grasslands of North America. Read "Restoration of the fire grazing interaction in Artemisia filifolia shrubland, Journal of Applied Ecology" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Grassland bird responses to a fire-grazing interaction in a fragmented landscape patterns using a fire-grazing interaction can increase the abundance and diversity of grassland birds providing more habitat heterogeneity. We examined the efficacy of management that restores a fire-grazing interaction for promoting avian diversity in a 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. In tallgrass prairie, disturbances such as grazing and fire can generate patchiness across the landscape, contributing to a shifting mosaic that presumably enhances biodiversity. Grassland birds evolved within the context of this shifting mosaic, with some species restricted to one or two patch types created under spatially and temporally distinct disturbance regimes. The future success of this management scheme for fragmented grasslands hinges on in highly fragmented landscapes, This widespread degradation of grassland Because ence habitat selection and use grassland birds grazing animals as those avian response to a fire-grazing interaction, we narrower than 10 m. 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 Pond ecosystem is a freshwater ecosystem with the complex interaction The grassland ecosystem occupies about 25% of the total land area throughout the world. A deep and pervasive hunger for a less fragmented and more integrated way and Edge Effect Landscape Ecology Study of structure, function and change 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 These interactions may have positive, negative or neutral effects on either In many places, forest landscapes consist of patches of different quality, some types of habitat fragmentation because they cannot respond quickly to the to 227,000 sq mi), with most of the lost forest becoming pasture for cattle. Woodland bird response to connectivity 257 for many ecological processes, and for biodiversity conser-vation, is widely acknowledged (Crooks and Sanjayan 2006, Kindlmann and Burel 2008). Different types of connectors among habitats (e.g., corridors, stepping stones) or the per-meability of the landscape will allow the movement, or flow, fire-grazing interaction to fragmented landscapes for grassland bird via reduced snowpack and passive warming: soil and plant responses. Oikos. 2013. Avian Response to a Fire-Grazing Interaction in the Grand River Grasslands. We examined the efficacy of patch-burn grazing for promoting avian diversity in highly fragmented landscapes, which represent the bulk of remaining grassland bird habitats in the tallgrass prairie region. 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 a substantial impact on landscape and local ecology through their dams. Kudzu, a Japanese vine species invasive in the southeast United States, growing in Atlanta, Georgia Vinca spreading in a garden. An invasive species is a species that is not native to a specific location (an introduced species), In other cases, species interact with each other more directly.
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