Habitat Associations, Relative Abundance, and Species Richness of Autumn Landbird Migrants in Southwestern Idaho

Carlisle, Jay D.; Stock, Sarah; Kaltenecker, Gregory S.; Swanson, David L.

doi:10.1650/7426

Cited by 28 publications

(31 citation statements)

References 23 publications

(46 reference statements)

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“…The study site is located at the boundary between two major vegetation types: the mostly forested mountains to the north and the shrubsteppe dominated Great Basin to the south. Four distinct habitat types occur in a mosaic at Lucky Peak and throughout the Boise Mountains: conifer forest, mountain shrubland, shrubsteppe, and willow-dominated riparian shrub (willow riparian; see Carlisle et al 2004). …”

Section: Methods Study Sitementioning

confidence: 99%

“…While riparian areas are clearly important for many migrants, several studies suggest that montane habitats also support high numbers of migrants during fall migration (Austin 1970, Greenberg et al 1974, Blake 1984, Hutto 1985, Carlisle et al 2004. In this study, we examined stopover patterns and mass trends over a seven-year period for the autumn landbird migrant assemblage in a montane area of southwestern Idaho.…”

Section: Ecología De Aves Migrantes De Otoño Durante Períodos De Escamentioning

confidence: 98%

“…We captured birds using mist-nets in mountain shrubland and willow riparian habitats (Carlisle et al 2004). We operated mist nets daily for 5 hours beginning at sunrise, except in the case of extreme temperatures (Ͼ32ЊC or Ͻ0ЊC), high winds, or continuous precipitation.…”

Section: Mist Net Capturesmentioning

confidence: 99%

“…We classified Neotropical migrants according to DeGraaf and Rappole (1995), but applied more stringent criteria such that Ն half of the geographical winter distribution must be south of the United States (see Carlisle et al 2004). Based on MAPS (Monitoring Avian Productivity and Survivorship) data from the same study site, we also assigned each migrant species to one of four breeding status codes (Rimmer andMcFarland 2000, DeSante et al 2003).…”

Section: Study Speciesmentioning

confidence: 99%

“…The proportions of birds recaptured were compared by frequency analysis ( 2 ; Brower et al 1990). When the proportion of birds recaptured differed significantly among years, we ran pairwise single degree-of-freedom tests to determine which year(s) had significantly different recapture proportions from others (Zar 1996, Carlisle et al 2004. We compared stopover duration with nonparametric Kruskal-Wallis or Mann-Whitney U-tests and differing means (of Kruskal-Wallis tests) by Dunn's test (Zar 1996).…”

Section: Statistical Analysesmentioning

confidence: 99%

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Stopover Ecology of Autumn Landbird Migrants in the Boise Foothills of Southwestern Idaho

Carlisle

Kaltenecker

Swanson

2005

Condor

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Published as "Stopover Ecology of Autumn Landbird Migrants in the Boise Foothills of Southwestern Idaho" in The Condor 107(2):244-258. © 2005 by the Regents of the University of California. Copying and permissions notice: Authorization to copy this content beyond fair use (as specified in Sections 107 and 108 of the U. S. Copyright Law) for internal or personal use, or the internal or personal use of specific clients, is granted by the Regents of the University of California for libraries and other users, provided that they are registered with and pay the specified fee via Rightslink® on Caliber (http://caliber.ucpress.net/) or directly with the Copyright Clearance Center, http://www.copyright.com. DOI: 10.1650/7808[244] Abstract. The topography of western North America provides a complex landscape for landbird migrants, and stopover patterns in this region are poorly understood. We examined seven years of stopover data (1997)(1998)(1999)(2000)(2001)(2002)(2003)) from a montane area in southwestern Idaho to determine whether this area provides suitable stopover habitat. We compared the proportion of birds recaptured, stopover duration, and changes in energetic condition within and among species and between two mist-netting sites located in different habitats. The proportion of birds recaptured ranged from zero to over 20%, and fewer than 5% of individuals were recaptured in most species. Mean minimum stopover durations from recapture data ranged from 1 to 10 days; most species averaged less than 6 days. Stopover duration estimates from open-population models were comparable but generally greater than estimates from recapture data. As found in stopover studies from other regions, stopover metrics varied within and among species in Idaho. However, most migrants in this study exhibited an ability to gain mass, evidenced both by recapture data and by regression of energetic condition against time since sunrise. These data imply that montane habitats in Idaho are suitable stopover sites. It follows that these habitats might serve an important role for many landbird migrants during the period of late summer molt and autumn migration, a time when many lowland areas of the West, including some riparian systems, are especially arid. We suggest that including montane nonriparian habitats in future stopover ecology studies will allow for a more complete understanding of migrant habitat needs in the West.Key words: habitat suitability, Idaho, Intermountain West, landbird migration, stopover ecology. Ecología de Aves Migrantes de Otoño Durante Períodos de Escala en el Piedemonte de Boise, Suroeste de IdahoResumen. La topografía del oeste de Norte América representa un paisaje complejo para las aves terrestres migratorias, y los patrones de escala migratoria en esta región son poco conocidos. En este estudio examinamos datos de escalas migratorias colectados a través de siete años (1997)(1998)(1999)(2000)(2001)(2002)(2003) en un área montana del suroeste de Idaho para determinar si esta área provee hábitats de escala adecuado...

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Section: Methods Study Sitementioning

confidence: 99%

Section: Ecología De Aves Migrantes De Otoño Durante Períodos De Escamentioning

confidence: 98%

Section: Mist Net Capturesmentioning

confidence: 99%

Section: Study Speciesmentioning

confidence: 99%

Section: Statistical Analysesmentioning

confidence: 99%

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Stopover Ecology of Autumn Landbird Migrants in the Boise Foothills of Southwestern Idaho

Carlisle

Kaltenecker

Swanson

2005

Condor

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Diffuse migratory connectivity in two species of shrubland birds: evidence from stable isotopes

et al. 2013

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Connecting seasonal ranges of migratory birds is important for understanding the annual template of stressors that influence their populations. Brewer’s sparrows (Spizella breweri) and sagebrush sparrows (Artemisiospiza nevadensis) share similar sagebrush (Artemisia spp.) habitats for breeding but have different population trends that might be related to winter location. To link breeding and winter ranges, we created isoscapes of deuterium [stable isotope ratio (δ) of deuterium; δ2H] and nitrogen (δ15N) for each species modeled from isotope ratios measured in feathers of 264 Brewer’s and 82 sagebrush sparrows and environmental characteristics at capture locations across their breeding range. We then used feather 2Hf and 15Nf measured in 1,029 Brewer’s and 527 sagebrush sparrows captured on winter locations in southwestern United States to assign probable breeding ranges. Intraspecies population mixing from across the breeding range was strong for both Brewer’s and sagebrush sparrows on winter ranges. Brewer’s sparrows but not sagebrush sparrows were linked to more northerly breeding locations in the eastern part of their winter range. Winter location was not related to breeding population trends estimated from US Geological Survey Breeding Bird Survey routes for either Brewer’s or sagebrush sparrows. Primary drivers of population dynamics are likely independent for each species; Brewer’s and sagebrush sparrows captured at the same winter location did not share predicted breeding locations or population trends. The diffuse migratory connectivity displayed by Brewer’s and sagebrush sparrows measured at the coarse spatial resolution in our analysis also suggests that local environments rather than broad regional characteristics are primary drivers of annual population trends.

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Satellite tracking and avian conservation in Asia

Higuchi

Pierre

2005

Landscape Ecol Eng

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Using satellite tracking, we have followed the migration of birds in Asia for more than 10 years. We have investigated the migration patterns of around 15 species of birds, focusing on, but not limited to, cranes (Gruidae) and storks (Ciconiidae). To relay bird locations, we employed platform transmitter terminals in combination with ARGOS satellites. Location data were then utilized in a variety of applications, from determining migration routes, stopover patterns and wintering sites, through more advanced analyses including using various data overlays to examine habitat use, occupation of nature reserves, differential migration patterns between adults and juvenile birds, and the connectivity and network structure of migration pathways. We have also developed recommendations for spatial improvements to nature reserves. We emphasize the importance of continued empirical research and development of analytical methodologies involving satellite location data in concert with effecting conservation outcomes using satellite-derived data.

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Habitat Associations, Relative Abundance, and Species Richness of Autumn Landbird Migrants in Southwestern Idaho

Cited by 28 publications

References 23 publications

Stopover Ecology of Autumn Landbird Migrants in the Boise Foothills of Southwestern Idaho

Stopover Ecology of Autumn Landbird Migrants in the Boise Foothills of Southwestern Idaho

Diffuse migratory connectivity in two species of shrubland birds: evidence from stable isotopes

Satellite tracking and avian conservation in Asia

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