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You searched for subject:(Wildlife underpasses). Showing records 1 – 3 of 3 total matches.

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1. Jumeau, Jonathan. Les possibilités de dispersion et éléments d'habitat-refuge dans un paysage d'agriculture intensive fragmenté par un réseau routier dense : le cas de la petite faune dans la plaine du Bas-Rhin : Dispersal possibilities and refugial habitats in a intensive agricultural landscape fragmented by a dense road network : the case of small animals in the Bas-Rhin plain.

Degree: Docteur es, Biologie de la conservation, 2017, Université de Strasbourg

La fragmentation des paysages et des habitats induite par les infrastructures linéaires de transport terrestres est une des principales causes de la perte de biodiversité actuelle. Parmi ces infrastructures, la route est un acteur majeur de fragmentation, d’autant plus qu’elle possède des effets propres dus au trafic circulant qui induit des collisions véhicule-faune et une pollution des paysages. Afin de diminuer ces effets négatifs, des mesures de réduction sont mises en place, notamment des passages à faune permettant de faire traverser la faune de part et d’autre des voies. La route crée aussi de nouveaux habitats potentiels pour les espèces de la petite faune dans des paysages anthropisés et fragmentés. Dans ce mémoire sont démontrées (1) la potentialité d’habitat de différents éléments routiers ; (2) la possibilité de prédire les collisions véhicule-faune afin de positionner au mieux les mesures de réduction ; (3) l’importance de la méthodologie dans l’évaluation de l’efficacité des passages à faune ; et (4) la possibilité d’améliorer les passages à faune existants. Ces résultats permettront d’améliorer les stratégies de défragmentation des paysages.

Habitats and landscape fragmentation, caused by linear land transports infrastructures, is one of the major cause for the current loss of biodiversity. Among those infrastructures, road is a major cause of fragmentation, especially as it possess specific traffic-linked effects, which induces wildlife-vehicles collisions and landscape pollution. In order to decrease those negative effects, mitigation measures are taken, among which wildlife crossings, enabling wildlife to cross the road. Road also creates new potential habitats for small wildlife species in anthropogenic and fragmented landscapes. In this essay are shown (1) the potential as habitat of different road-linked elements; (2) the possibility to anticipate wildlife-vehicles collisions in order to improve the position of mitigation measures; (3) the importance of methodology in the evaluation of wildlife crossings effectiveness; and (4) the possibility to improve existing wildlife crossings. Those results will allow improving landscape defragmentation strategies.

Advisors/Committee Members: Handrich, Yves (thesis director), Burel, Françoise (thesis director).

Subjects/Keywords: Écologie de la route; Paysage; Fragmentation; Passage à faune; Pièges photographiques; Capture-marquage-recapture; Écoducs; Petite faune; Road ecology; Landscape; Fragmentation; Wildlife crossings; Wildlife underpasses; Capture mark recapture release; Small mammals; Small wildlife; Camera traps; 577.2; 591

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Jumeau, J. (2017). Les possibilités de dispersion et éléments d'habitat-refuge dans un paysage d'agriculture intensive fragmenté par un réseau routier dense : le cas de la petite faune dans la plaine du Bas-Rhin : Dispersal possibilities and refugial habitats in a intensive agricultural landscape fragmented by a dense road network : the case of small animals in the Bas-Rhin plain. (Doctoral Dissertation). Université de Strasbourg. Retrieved from http://www.theses.fr/2017STRAJ120

Chicago Manual of Style (16th Edition):

Jumeau, Jonathan. “Les possibilités de dispersion et éléments d'habitat-refuge dans un paysage d'agriculture intensive fragmenté par un réseau routier dense : le cas de la petite faune dans la plaine du Bas-Rhin : Dispersal possibilities and refugial habitats in a intensive agricultural landscape fragmented by a dense road network : the case of small animals in the Bas-Rhin plain.” 2017. Doctoral Dissertation, Université de Strasbourg. Accessed October 23, 2020. http://www.theses.fr/2017STRAJ120.

MLA Handbook (7th Edition):

Jumeau, Jonathan. “Les possibilités de dispersion et éléments d'habitat-refuge dans un paysage d'agriculture intensive fragmenté par un réseau routier dense : le cas de la petite faune dans la plaine du Bas-Rhin : Dispersal possibilities and refugial habitats in a intensive agricultural landscape fragmented by a dense road network : the case of small animals in the Bas-Rhin plain.” 2017. Web. 23 Oct 2020.

Vancouver:

Jumeau J. Les possibilités de dispersion et éléments d'habitat-refuge dans un paysage d'agriculture intensive fragmenté par un réseau routier dense : le cas de la petite faune dans la plaine du Bas-Rhin : Dispersal possibilities and refugial habitats in a intensive agricultural landscape fragmented by a dense road network : the case of small animals in the Bas-Rhin plain. [Internet] [Doctoral dissertation]. Université de Strasbourg; 2017. [cited 2020 Oct 23]. Available from: http://www.theses.fr/2017STRAJ120.

Council of Science Editors:

Jumeau J. Les possibilités de dispersion et éléments d'habitat-refuge dans un paysage d'agriculture intensive fragmenté par un réseau routier dense : le cas de la petite faune dans la plaine du Bas-Rhin : Dispersal possibilities and refugial habitats in a intensive agricultural landscape fragmented by a dense road network : the case of small animals in the Bas-Rhin plain. [Doctoral Dissertation]. Université de Strasbourg; 2017. Available from: http://www.theses.fr/2017STRAJ120


University of South Florida

2. Schwab, Autumn C. The Influence of Roads on the Florida Panther.

Degree: 2006, University of South Florida

The Florida panther (Puma concolor coryi) is a relatively well studied species, but some aspects of its habitat requirements remain poorly understood. While it has been well established that the most important threat to panthers include limited habitat area and continued habitat loss and fragmentation, the importance of roads in this context has not been determined. The goal of this research is to determine the influence of roads on the movement patterns of the Florida panther. Panther telemetry data from 1981 until 2003 was used, as well as detailed road networks and vegetation maps. The influence of roads on individual panthers was determined through an analysis of: 1) vehicular mortality; 2) road crossing behavior; 3) road barrier effects; and 4) effectiveness of preventative measures. Results indicate that vehicle collisions continue to be a major threat to the Florida panther population, specifically adult males. Major roads form more of a barrier to movement than minor roads, but females are affected more than males. The combination of wildlife underpasses and high right-of-way fencing on I-75 has been extremely effective at vehicular mortality prevention, but the roadway remains a major barrier, particularly for female panthers. This has essentially segregated the movement of the sexes and has fragmented not only the limited habitat of the Florida panther, but also segments of the adult population critical to the propagation of the species.

Subjects/Keywords: crossing behavior; gis; vehicular mortality; wildlife underpasses; spatial ecology; American Studies; Arts and Humanities

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Schwab, A. C. (2006). The Influence of Roads on the Florida Panther. (Thesis). University of South Florida. Retrieved from https://scholarcommons.usf.edu/etd/3834

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Schwab, Autumn C. “The Influence of Roads on the Florida Panther.” 2006. Thesis, University of South Florida. Accessed October 23, 2020. https://scholarcommons.usf.edu/etd/3834.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Schwab, Autumn C. “The Influence of Roads on the Florida Panther.” 2006. Web. 23 Oct 2020.

Vancouver:

Schwab AC. The Influence of Roads on the Florida Panther. [Internet] [Thesis]. University of South Florida; 2006. [cited 2020 Oct 23]. Available from: https://scholarcommons.usf.edu/etd/3834.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Schwab AC. The Influence of Roads on the Florida Panther. [Thesis]. University of South Florida; 2006. Available from: https://scholarcommons.usf.edu/etd/3834

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

3. Braden, Anthony Wayne. Evaluation of the effects of a highway improvement project on Key deer.

Degree: MS, Wildlife and Fisheries Sciences, 2006, Texas A&M University

Deer-vehicle collisions (DVCs) along a 5.6-km segment of United States Highway 1 (US 1) on Big Pine Key (BPK), Florida responsible for approximately 26% of endangered Florida Key deer (Odocoileus virginianus clavium) annual mortalities. The Florida Department of Transportation (FDOT) constructed a 2.6-km long system of fencing, 2 underpasses, and 4 experimental deer guards to address DVCs along a portion of the US 1 roadway in 2001–2002. I evaluated the effectiveness of the project in reducing Key deer mortality by comparing (1) survival of radio-collared deer, (2) deer-vehicle collisions on US 1, and (3) determining the ability of deer to access the fenced segment. I found no significant difference in male or female survival. Key deer-vehicle collisions were reduced by 83–92% inside the fenced segment. However, overall US 1 Key deer-vehicle collisions did not change. Key deer entry into the fenced segment was minimized to 8 deer during the first-year resulting in 2 deer mortalities. I also assessed the potential impacts of the US 1 corridor project to Key deer movements by comparing (1) radio-collared Key deer annual ranges (2) radio-collared deer corridor movements, and (3) assessing Key deer underpass and corridor use. Female and male ranges and core areas did not change (P > 0.05). Deer movements within the US 1 corridor were comparable pre- (6 of 23 radio-collared deer crossed the corridor) and post-project (4 of 16). Infrared-triggered camera data indicate underpass movements increased over time. Collectively, post-project telemetry and camera data indicates US 1 highway improvements have not restricted Key deer movements. Hourly Key deer movement and US 1 traffic patterns were compared to annual US 1 DVCs. Hourly deer movements showed a positive correlation (P = 0.012, r = 0.505) to hourly DVCs for the full circadian period. Hourly US 1 traffic showed a significant positive relationship (P = 0.012, r = 0.787) with DVCs only during the night period. Evaluation of hourly deer movements and hourly traffic volume on US 1 found hourly DVCs to be the result of a combination between both variables. Advisors/Committee Members: Lopez, Roel R. (advisor), Davis, Donald S. (committee member), Silvy, Nova J. (committee member).

Subjects/Keywords: Key deer; deer guards; underpasses; deer-vehicle collisions; fencing; wildlife crossings

…2 wildlife crossings (underpasses) along an undeveloped segment of US 1 on BPK… …fences and deer guards) with 2 wildlife crossings (underpasses) along an… …x29; with 4 deer guards and 2 wildlife crossings (underpasses) along an… …includes 2 underpasses (denoted by U) and 4 experimental deer guards (indicated by… …west + east camera transects) and underpass (north + south underpasses)… 

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Braden, A. W. (2006). Evaluation of the effects of a highway improvement project on Key deer. (Masters Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/4277

Chicago Manual of Style (16th Edition):

Braden, Anthony Wayne. “Evaluation of the effects of a highway improvement project on Key deer.” 2006. Masters Thesis, Texas A&M University. Accessed October 23, 2020. http://hdl.handle.net/1969.1/4277.

MLA Handbook (7th Edition):

Braden, Anthony Wayne. “Evaluation of the effects of a highway improvement project on Key deer.” 2006. Web. 23 Oct 2020.

Vancouver:

Braden AW. Evaluation of the effects of a highway improvement project on Key deer. [Internet] [Masters thesis]. Texas A&M University; 2006. [cited 2020 Oct 23]. Available from: http://hdl.handle.net/1969.1/4277.

Council of Science Editors:

Braden AW. Evaluation of the effects of a highway improvement project on Key deer. [Masters Thesis]. Texas A&M University; 2006. Available from: http://hdl.handle.net/1969.1/4277

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