Modeling the dynamic habitat and breeding population of Southwestern Willow Flycatcher

Hatten, James R.; Paxton, Eben H.; Sogge, Mark K.

doi:10.1016/j.ecolmodel.2010.03.026

Cited by 17 publications

(24 citation statements)

References 26 publications

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“…We know from this and other locations that the SWFL can respond positively to expansion of native vegetation under the appropriate conditions. The regional scope of SWFL population censusing creates the basis for assessing large-scale meta-population dynamics of the subspecies (Hatten et al 2010). Likewise, a restoration program that links local actions with regional restoration planning within and between watersheds may allow rehabilitation of this and other spatially restricted migratory species by reconnecting metapopulation structure and functional movement among suitable patches throughout the Colorado and other southwestern basins.…”

Section: Post-biocontrol Vegetation Composition Of Native Plants and mentioning

confidence: 99%

Tamarisk biocontrol, endangered species risk and resolution of conflict through riparian restoration

Dudley

Bean²

2011

BioControl

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A long-standing debate between wildlife agencies and biological control researchers and practitioners concerns Diorhabda carinulata Desbrochers (Coleoptera: Chrysomelidae) introduced to suppress invasive Tamarix spp. (Tamaricaceae), and potential impacts of Tamarix defoliation on endangered southwestern willow flycatchers using this non-native plant as nesting habitat in some western riparian ecosystems. The conflict and ensuing legal actions are currently centered on the presence of D. carinulata within the breeding range of the flycatcher in the Virgin River watershed, which has led to APHIS termination of permits supporting the biocontrol development program and has also affected other programs to develop biocontrol agents against environmental weeds. Central to concerns over wildlife is the lack of rehabilitation of native vegetation where biocontrol is expected, so there are current and planned efforts to promote restoration of native cottonwood-willow habitat to mitigate the anticipation decline in Tamarix cover. A strategic approach to riparian restoration is outlined which could facilitate sustainable, and scientifically documented recovery of this iconic habitat type. While the results of these efforts will not be known immediately, the process which is leading to riparian restoration has brought specialists from both sides of the debate together in search of resolution via collaboration, and if successful, may allow re-initiation of the Tamarix biocontrol program attendant with habitat enhancement for wildlife species of conservation concern.

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Section: Post-biocontrol Vegetation Composition Of Native Plants and mentioning

confidence: 99%

Tamarisk biocontrol, endangered species risk and resolution of conflict through riparian restoration

Dudley

Bean²

2011

BioControl

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“…Reservoir operations, which manage water flow and storage, can influence the value of habitat within the zone that lies between the minimum and maximum elevation of the reservoir's water surface elevation because rising water levels are known to flood nests and/or reduce food availability (e.g., Wolf 1955, Espie et al 1998, Anteau et al 2012, and the stress on vegetation due to submersion can subsequently have an impact on the suitability of nesting habitat through effects on nest predation or food availability (Ellis et al 2009, Hatten et al 2010, Chapin and Paige 2013, Anteau et al 2014. The degree to which reservoir operations have direct negative effects on nest success will depend on nest elevation and the timing of breeding relative to the operations of the reservoir (van Oort et al 2015).…”

Section: Discussionmentioning

confidence: 99%

“…For example, management of water flow that causes water levels to rise during the breeding season can flood nests located both on the ground, e.g., Piping Plover (Charadrius melodus; Anteau et al 2012) and Common Loon (Gavia immer; Windels et al 2013), and in shrubs, e.g., Pygmy Cormorant (Phalacrocorax pygmeus; Nazirides and Papageorgiou 1996) and Yellow Warbler (Setophaga petechia; van Oort et al 2015). Manipulation of flooding regimes can also cause changes in vegetation structure and composition and therefore the location and amount of available breeding habitat (Ellis et al 2009, Hatten et al 2010. However, no studies to date have assessed reservoir operation effects on postfledging survival of birds.…”

Section: Introductionmentioning

confidence: 99%

Postfledging survival and local recruitment of a riparian songbird in habitat influenced by reservoir operations

Hepp¹,

Ware²,

Oort³

et al. 2018

ACE

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ABSTRACT. The impact of anthropogenic activities on breeding bird populations are typically assessed using nest success despite the importance of the postfledging period and juvenile survival for the population dynamics of many birds. Using a combination of radio telemetry data collected between 2012 and 2014, and long-term monitoring data collected between 2005 and 2016, we evaluated whether postfledging survival of Yellow Warblers (Setophaga petechia) is affected when their riparian nesting habitat becomes inundated by the Upper Arrow Lakes Reservoir in the Columbia River Valley near Revelstoke, British Columbia, Canada. Thirty-eight percent of radiotagged fledglings (n = 26) survived for at least 21 days after leaving the nest. Radio-tagged birds that fledged from nests in territories that were inundated by water tended to be have lower survival than those that fledged from nests in territories that were not inundated by water. Local recruitment was low (6.4%, n = 438). Local recruitment was nevertheless positively affected by nestling condition prior to fledging. Fledglings from territories that were not inundated by water also tended to be more likely to recruit locally than those that fledged from territories that were inundated by water. In both cases, we estimated that reservoir operations that flooded habitat reduced postfledging survival or local recruitment by approximately 50%. Our study emphasizes the importance of considering the postfledging period when developing mitigation measures or management plans aimed at minimizing the impact of anthropogenic activities on bird populations. Survie des jeunes après l'envol et recrutement local d'un passereau ripicole nichant dans un habitat touché par la régulation du niveau d'eau d'un réservoirRÉSUMÉ. Les impacts qu'ont les activités anthropiques sur les populations d'oiseaux nicheurs sont habituellement évalués à partir du succès de nidification, malgré l'importance de la période suivant l'envol des jeunes et la survie juvénile dans la dynamique de population de nombreux oiseaux. En combinant des données de radiotélémétrie obtenues entre 2012 et 2014 et des données provenant d'un suivi réalisé de 2005 à 2016, nous avons évalué dans quelle mesure la survie après l'envol des jeunes de Paruline jaune (Setophaga petechia) était affectée lorsque leur habitat de nidification se trouve inondé par le réservoir Upper Arrow Lakes dans la vallée du fleuve Columbia près de Revelstoke, Colombie-Britannique, Canada. Trente-huit pourcent des jeunes munis d'un émetteur (n = 26) ont survécu au moins 21 jours après avoir quitté le nid. La survie des jeunes ayant pris leur envol de nids situés sur des territoires ayant été inondés était généralement plus faible que celle des oiseaux ayant pris leur envol de nids situés sur des territoires n'ayant pas été inondés. Le recrutement local était faible (6,4 %, n = 438). Néanmoins, le recrutement local était positivement lié à la condition des jeunes avant l'envol. Les jeunes ayant pris leur envol dans les territoires non inondés ...

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“…Taking habitat fl uctuation data reported in Hatten et al (2010) as an example (Table 2), we compared these three models for their ability to characterise the effects of change intensity. The evaluation criteria considered whether there was synchronisation or consistency between the absolute amount of change (AAC) and the values of change intensity (RCR, SCI and FII).…”

Section: Fii Model and The Quantifi Cation Of Fl Uctuation Intensitymentioning

confidence: 99%

“…The habitat area data (in hm 2 ) are derived fromHatten et al (2010). FAN et al: Spatiotemporal dynamics of waterbird habitats 489 were observed at the same time.…”

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confidence: 99%

Spatiotemporal dynamics of ecological variation of waterbird habitats in Dongtan area of Chongming Island

Fan

Zhang

2011

Chin. J. Ocean. Limnol.

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Based on Landsat TM images, we explored the pattern of variation of suitable waterbird habitats from 1990 to 2008 in the Dongtan area of Chongming Island at the Changjiang (Yangtze) River mouth. By applying our highly accurate indicator model ( R =0.999, P <0.01), we quantifi ed the variations of fl uctuation intensity for local waterbird habitats during 1990-2008, and for the main waterbird groups (Anatidae, Charadriidae, Ardeidae and Laridae) from 2006 to 2008, to evaluate the impact of habitat quantity change on the waterbird habitat status and the population dynamics of the different waterbird groups. The results show that the aquaculture ponds (AP) and the Scirpus mariqueter zone (SMZ) underwent drastic habitat changes during certain periods (the fl uctuation intensity differed among habitat types in the order AP>SMZ>TSH (total suitable habitat)>BSA (bare mud fl at and shallow water area). The abandonment of tracts of aquaculture ponds in Dongtan in mid-2006 brought about an intensive population fl uctuation, caused by rapidly changing habitat with the population expanding to adjacent areas. At present, Anatidae and Ardeidae are threatened in the Dongtan area with declining populations because of their very "picky" habitat requirements (i.e., high reliance on AP). The Charadriidae experienced enormous population declines in the late 1990s, however, they have since recovered to normal levels as habitat change has stabilized. Our fi ndings suggest that the current challenges for habitat management are the protection and stabilization of AP and SMZ habitats.

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Modeling the dynamic habitat and breeding population of Southwestern Willow Flycatcher

Cited by 17 publications

References 26 publications

Tamarisk biocontrol, endangered species risk and resolution of conflict through riparian restoration

Tamarisk biocontrol, endangered species risk and resolution of conflict through riparian restoration

Postfledging survival and local recruitment of a riparian songbird in habitat influenced by reservoir operations

Spatiotemporal dynamics of ecological variation of waterbird habitats in Dongtan area of Chongming Island

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