Florida Key deer Odocoileus virginianus clavium underpass use and movements along a highway corridor

Braden, Anthony W.; Lopez, Roel R.; Roberts, Clay W.; Silvy, Nova J.; Owen, Catherine B.; Philip, Antony J. Prabhu; Frank, Stephanie

doi:10.2981/0909-6396(2008)14[155:fkdovc]2.0.co;2

Cited by 44 publications

(19 citation statements)

References 12 publications

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“…Construction for the US 1 Project was completed in 2002. From 2003 to 2009, we monitored deer use of 2 box culvert underpasses (14 m × 8 m × 3 m) located along the fenced segment of the roadway using TrailMaster 1500 Active Infrared Trail Monitors (transmitter, receiver, and 35‐mm camera; Goodson and Associates, Inc., Lenexa, KS; Braden et al 2008). In order to monitor deer movement through the underpasses, each system was designed to take a picture as a deer was detected.…”

Section: Methodsmentioning

confidence: 99%

“…A TrailMaster 1500 system was placed in the center of each underpass (N underpass, S underpass; Fig. 2) and set to operate 24 hr/day with a 2‐min photograph delay between pictures (sufficient to avoid double‐counting; Braden et al 2008). In 2006, we switched to digital Cuddeback Passive Infrared Digital Scouting Cameras (Non Typical, Inc., Park Falls, WI) using the same settings (24 hr/day, 2‐min delay) after favorable comparison testing between the old and new equipment (i.e., easier to use, similar data‐collection results; Parker et al 2008 b ).…”

Section: Methodsmentioning

confidence: 99%

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Long‐term effectiveness of US 1 crossing project in reducing florida key deer mortality

Parker

Lopez

Silvy

et al. 2011

Wildlife Society Bulletin

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Deer-vehicle collisions (DVCs) are the primary source of mortality for the endangered Florida Key deer (Odocoileus virginianus clavium). Of these collisions, >50% occur on United States Highway 1 (US 1), the primary roadway connecting the islands in the Florida Keys, USA. The DVCs on the 5.6-km section of US 1 on Big Pine Key are responsible for approximately 26% of annual Key deer mortality, but extensive urban development along this highway segment complicates efforts to reduce DVCs using traditional methods (e.g., fencing, underpasses). In 2002, a continuous 2.6-km system of 2.4-m fencing, 2 underpasses, and 4 experimental deer guards was completed. We evaluated the long-term effectiveness of these highway improvements in reducing DVCs within an urban landscape. Deer used the underpasses all 7 postconstruction years (2003)(2004)(2005)(2006)(2007)(2008)(2009)) with dramatic increases in use over the course of the project. Roadway fencing largely eliminated deer intrusion onto the fenced area of US 1. Although well-maintained fencing effectively restricted deer movement onto the fenced section of US 1 (73-100% decline), other sections of US 1 experienced increases in DVCs. Overall, highway improvements along the US 1 corridor were effective in reducing Key deer mortality over the long-term. The success of deer guards in preventing deer access into the fenced section of US 1 supported the feasibility of implementing similar wildlife exclusion projects in other urban areas. ß 2011 The Wildlife Society.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Long‐term effectiveness of US 1 crossing project in reducing florida key deer mortality

Parker

Lopez

Silvy

et al. 2011

Wildlife Society Bulletin

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“…Highway underpasses have restored connectivity for mule deer in fragmented landscapes (Reed 1975, Ng et al 2004, Clevenger and Waltho 2005, Braden et al 2008, Gagnon et al 2011).…”

Section: Introductionmentioning

confidence: 99%

Peer Review #1 of "Weather conditions associated with autumn migration by mule deer in Wyoming (v0.1)"

Harris¹

2015

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Maintaining ecological integrity necessitates a proactive approach of identifying and acquiring lands to conserve unfragmented landscapes, as well as evaluating existing mitigation strategies to increase connectivity in fragmented landscapes. The increased use of highway underpasses and overpasses to restore connectivity for wildlife species offers clear conservation benefits, yet also presents a unique opportunity to understand how weather conditions may impact movement of wildlife species. We used remote camera observations (19,480) from an existing wildlife highway underpass in Wyoming and daily meteorological observations to quantify weather conditions associated with autumn migration of mule deer in 2009 and 2010. We identified minimal daily temperature and snow depth as proximate cues associated with mule deer migration to winter range. These weather cues were consistent across does and bucks, but differed slightly by year. Additionally, extreme early season snow depth or cold temperature events appear to be associated with onset of migration. This information will assist wildlife managers and transportation officials as they plan future projects to maintain and enhance migration routes for mule deer.

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“…Collisions with moose, elk, deer, bear, and other large mammals are the best documented, perhaps due to the abundance, size, and damage potential of these species (Braden et al. , Farrell and Tappe , Garrett and Conway , Hubbard et al. , Waller and Servheen ).…”

Section: Introductionmentioning

confidence: 99%

Strategically Locating Wildlife Crossing Structures for Florida Panthers Using Maximal Covering Approaches

Downs

Horner

Loraamm

et al. 2013

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Crossing structures are an effective method for mitigating habitat fragmentation and reducing wildlifevehicle collisions, although high construction costs limit the number that can be implemented in practice. Therefore, optimizing the placement of crossing structures in road networks is suggested as a strategic conservation planning method. This research explores two approaches for using the maximal covering location problem (MCLP) to determine optimal sites to install new wildlife crossing structures. The first approach is based on records of traffic mortality, while the second uses animal tracking data for the species of interest. The objective of the first is to cover the maximum number of collision sites, given a specified number of proposed structures to build, while the second covers as many animal tracking locations as possible under a similar scenario. These two approaches were used to locate potential wildlife crossing structures for endangered Florida panthers (Puma concolor coryi) in Collier, Lee, and Hendry Counties, Florida, a population whose survival is threatened by excessive traffic mortality. Historical traffic mortality records and an extensive radio-tracking dataset were used in the analyses. Although the two approaches largely select different sites for crossing structures, both models highlight key locations in the landscape where these structures can remedy traffic mortality and habitat fragmentation. These applications demonstrate how the MCLP can serve as a useful conservation planning tool when traffic mortality or animal tracking data are available to researchers.

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Florida Key deer Odocoileus virginianus clavium underpass use and movements along a highway corridor

Abstract: BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access titles in the biological, ecological, and environmental sciences published by nonprofit societies, associations, museums, institutions, and presses.

Cited by 44 publications

References 12 publications

Long‐term effectiveness of US 1 crossing project in reducing florida key deer mortality

Long‐term effectiveness of US 1 crossing project in reducing florida key deer mortality

Peer Review #1 of "Weather conditions associated with autumn migration by mule deer in Wyoming (v0.1)"

Strategically Locating Wildlife Crossing Structures for Florida Panthers Using Maximal Covering Approaches

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