Rangewide Trends in Landuse and Northern Bobwhite Abundance: An Exploratory Analysis

Peterson, Markus J.; Wu, Xiaowen; Rho, Paikho

doi:10.7290/nqsp052n86

Cited by 10 publications

(8 citation statements)

References 14 publications

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“…An estimated 80% of grass and shrub-land habitat has been lost in North America since the mid-19th century (Brennan and Kuvlesky 2005). Though quantifiable evidence of the bobwhite decline exists only as far back as the Breeding Bird Survey-approximately 60 years-this loss of habitat precedes estimates of the beginning of the bobwhite decline, circa 1875 (Peterson et al 2002). Habitat loss is chiefly attributed to large, national-scale issues such as monoculture agriculture (Exum et al 1982, DeMaso and Dillard 2007, Peterson 2007, afforestation (Brennan and Kuvlesky 2005), pesticide use (Brennan 1991), and urban or suburban development (Veech 2006); better said, human impact is likely the largest contributor to the bobwhite decline.…”

Section: Changing Perspectives On Bobwhite Managementmentioning

confidence: 99%

“…Improvements to habitat study and management.-Characterizing habitat has been a large part of bobwhite management, though the majority of attempts to characterize habitat occur at a pasture-scale (Peterson et al 2002). To better implement large-scale management, further research should be aimed at characterizing habitat at a landscape scale.…”

Section: Habitat and Spacementioning

confidence: 99%

“…Although habitat quality may seem to be the most important feature at a local scale, the importance of habitat patch size, configuration, type, and connectivity may be more apparent at the landscape level (Riitters et al 1997, Duren et al 2011. For bobwhite habitat, efforts have been made using tools such as GPS and LANDSAT imagery (Roseberry and David 1994, Roseberry and Sudkamp 1998, Schairer et al 1999 natural and agricultural resource databases (Peterson et al 2002, Veech 2006, models (Baker 1996), and aerial photography (Exum et al 1982, but methods should be further refined. Habitat modeling at multiple scales, such as that performed by Duren et al (2011), may provide muchneeded insights to different habitat variables, which can be used to guide management of a particular landscape.…”

Section: Habitat and Spacementioning

confidence: 99%

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An Evaluation of Northern Bobwhite Conservation Research: A Call for Large-Scale Studies

Gomez

Reyna

2017

NQSP

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Northern bobwhite (Colinus virginianus) populations have declined throughout the species' range since the 1960s. Habitat loss and degradation are thought to have largely contributed to this decline by reducing the amount of space and resources required to sustain viable quail populations. Previous studies have attempted to address this issue by focusing on ranch-level management of bobwhites instead of on the effectiveness of large-scale techniques. Here, we review current and historical studies that have facilitated the implementation of management techniques on multiple scales. In doing so, we will also reveal the shortcomings of such studies by highlighting their narrowed focus on small-scale management and research, and reiterate the need for large-scale studies.

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Section: Changing Perspectives On Bobwhite Managementmentioning

confidence: 99%

Section: Habitat and Spacementioning

confidence: 99%

Section: Habitat and Spacementioning

confidence: 99%

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An Evaluation of Northern Bobwhite Conservation Research: A Call for Large-Scale Studies

Gomez

Reyna

2017

NQSP

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“…Most bobwhite research on habitat to date has been done on a local (,25km 2 ) scale (Kabat and Thompson 1963, Burger and Linduska 1967, Wiseman and Lewis 1981, Taylor et al 1999a, Fies et al 2002, Oakley et al 2002, Riddle et al 2008, Crosby et al 2013) whereas harvest management is usually on a statewide scale (Williams et al 2004). There is a need to transition from both local and statewide practices to more regional management (Peterson et al 2002, Dimmick et al 2002, Williams et al 2004). One difficulty with regional management of bobwhite populations as proposed by Williams et al (2004) is that quail managers do not know how large a bobwhite population is, or how large it must be to allow the population to persist for a set length of time.…”

mentioning

confidence: 99%

“…Scientists have attempted to generate models that relate bobwhite presence or abundance to local landscape cover using remotely sensed data for humid subtropical regions of the United States (Roseberry et al 1994, Roseberry and Sudkamp 1998, Schairer et al 1999, Peterson et al 2002, Smith and Burger, Jr. 2004, Duren et al 2011. Of these studies, only 2 performed their own landscape classification.…”

mentioning

confidence: 99%

Predicting Northern Bobwhite Habitat in Semiarid Rangeland Using Landsat Imagery

Whitt

Reyna

2017

NQSP

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Multiple studies have attempted to model northern bobwhite (Colinus virginianus) distribution using classified remotely sensed imagery in combination with pattern recognition software. These models tend to be more accurate in humid subtropical regions. To identify bobwhite habitat in subhumid and semiarid rangeland, we performed our own classification on 4 LANDSAT scenes of Clay County, Texas, from July and December 2015. Stands of mature little bluestem (Schizachyrium scoparium) provide excellent bobwhite nesting cover and could be identified using LANDSAT imagery. Habitat was scored from 0 to 1.0 based on estimated range health, presence of little bluestem, and presence of brushy cover. We compared habitat score with the results of breeding season call counts from 2014 and 2015 and found significant correlation. When used in combination with other landscape data, this approach can provide a regional context to inform conservation and management decisions.

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Landscape Connectivity Influences Survival and Resource Use following Long‐Distance Translocation of Northern Bobwhite

et al. 2020

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Translocation is an important component of northern bobwhite (Colinus virginianus) recovery efforts, given the scale of their decline and inability to rapidly recolonize recently restored habitat. Repopulating sites in northern latitudes that are distant from reliable source populations may require long‐distance trap and transport from southern locales, potentially compounding existing obstacles for this renascent population recovery technique. The landscape connectivity hypothesis predicts that site fidelity and survival would be lower if release properties are small and fragmented and home range sizes would be smaller and dispersal distances would be lower if habitat quality at the release site is perceived to be high and the surrounding matrix is of low permeability. We evaluated this hypothesis to determine if northern bobwhite survival, site fidelity, and resource selection following translocation differed between 2 contrasting landscapes in the Mid‐Atlantic region of the United States. We translocated 508 radio‐collared northern bobwhites from northern Florida and southern Georgia, to small, fragmented properties on the eastern shore of Maryland and large, contiguous properties in southern New Jersey, USA. We monitored northern bobwhites via radio‐telemetry from approximately 1 April through 30 September, 2015–2018, 2–7 times a week. Breeding season (182 days after release) survival varied among sites, and was generally higher at the 2 New Jersey release sites than at the 2 Maryland sites, yet an acclimation period is ostensibly required to obtain reasonable breeding survival estimates to elicit population growth. Site fidelity, maximum dispersal distances, and home range sizes were lower at the smaller, fragmented Maryland properties than the larger New Jersey properties. These results support the landscape connectivity hypothesis such that reduced connectivity in our study decreased site fidelity and survival. Temporal variation in survival was potentially an artifact of translocation stress or maladaptive behavior during initial acclimation to the release sites, indicating that higher stocking rates may be needed to provide adequate founder abundance for translocation success. Northern bobwhites used early‐successional cover at all sites, though selection varied based on scale of analysis and landscape context. These vital rate estimates and resource use patterns should be used to guide future translocations within the Mid‐Atlantic, provide perspective for this population restoration technique range wide, and stimulate further investigation into limiting factors. © 2020 The Wildlife Society.

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Rangewide Trends in Landuse and Northern Bobwhite Abundance: An Exploratory Analysis

Cited by 10 publications

References 14 publications

An Evaluation of Northern Bobwhite Conservation Research: A Call for Large-Scale Studies

An Evaluation of Northern Bobwhite Conservation Research: A Call for Large-Scale Studies

Predicting Northern Bobwhite Habitat in Semiarid Rangeland Using Landsat Imagery

Landscape Connectivity Influences Survival and Resource Use following Long‐Distance Translocation of Northern Bobwhite

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