Long‐term wildlife road‐kill counts in New Zealand

Brockie, R. E.; Sadleir, R. M. F. S.; Linklater, Wayne L.

doi:10.1080/03014220909510147

Cited by 43 publications

(41 citation statements)

References 21 publications

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“…Fig. 4 suggests a positive increase in the road-kill rate with increasing traffic volume, levelling off at approximately 1500 vehicles per day, similar to other studies (Saeki & Macdonald 2004;Brockie et al 2009). Clevenger et al (2003) and Clarke et al (1998) suggest that this decrease in road-kill at high traffic volumes is primarily because a high volume of traffic tends to discourage animals from crossing a road.…”

Section: Traffic Volumesupporting

confidence: 80%

“…This variability was frequently considered to be associated with animal life history characteristics (Clarke et al 1998;Clevenger et al 2003;Grilo et al 2009). Other factors found to be connected with variation in roadkill risk include traffic volume (Klocker et al 2006;Brockie et al 2009), traffic speed (Jones 2000;Beauchamp 2009), and surrounding habitat types (Erritzoe et al 2003;Orlowski 2008). In contrast, gender risk was more uniform, and a lack of gender bias, or a slight trend towards males, was consistently indicated (Erritzoe et al 2003;Klocker et al 2006).…”

Section: Introductionmentioning

confidence: 82%

“…This is reflected in the dissimilar road-kill rates per kilometre found between species on the same roads (Taylor & Goldingay 2004;Brockie et al 2009;Grilo et al 2009) and in variations in road-kill rates at different localities. For example, Erritzoe et al (2003) found rates of between 0.4 and 23.8 deaths km (1 y (1 in a review of European and other world avian literature.…”

Section: Introductionmentioning

confidence: 97%

“…Studies in some parts of rural New Zealand have shown that introduced vertebrate species such as possums (Trichosurus vulpecula) and hedgehogs (Erinaceus eruopaeus occidentalis) dominate road-kill along with lesser numbers of other exotic and native species (Brockie 2007;Brockie et al 2009). However, anecdotal evidence suggests that in some areas of New Zealand populations of endangered native species such as blue penguins (Eudyptula minor) (Heber et al 2008), and weka (Gallirallis australis) may be affected to an extent by road-kill.…”

Section: Introductionmentioning

confidence: 99%

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Western weka road-kill at Cape Foulwind, Buller, New Zealand

Freeman

2010

New Zealand Journal of Zoology

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The frequency of vehicle strikes on western weka (Gallirallis australis australis), a flightless endemic New Zealand rail, on the roading network at Cape Foulwind was examined by counting weka carcasses on roads and roadsides. Over the two-year study on 25.1 km of rural road, 300 weka carcasses were recorded at a rate of 6.0 km (1 year (1 . Carcasses were found most frequently in the vicinity of intersections, and on roads with higher vehicle speeds and volumes. Road-kill was highest in the spring months and lowest during the autumn months. Seasonal mortality differences were found to be associated with weka life history characteristics rather than with seasonal changes in traffic volumes. Most weka killed were male (73%) and B3 years old (90%). Further work is required to assess whether mortality from road-kill is reducing this weka population at present. Some possible mitigation measures are considered.

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Section: Traffic Volumesupporting

confidence: 80%

Section: Introductionmentioning

confidence: 82%

Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

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Western weka road-kill at Cape Foulwind, Buller, New Zealand

Freeman

2010

New Zealand Journal of Zoology

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“…Collection of data on mammal road casualties can be carried out by untrained volunteers; it can be collected across large areas; and it is cost effective in terms of time and expense. However it is vital to first determine the relationship between animal density and numbers of road traffic casualties (Baker et al, 2004;Brockie et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

Using the Dead to Mo Nitor the Living: Ca N Road Kill Counts Detect Trends in Mammal Abundance ?

George¹,

MacPherson²,

Balmforth³

et al. 2011

Appl Ecol Env Res

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Abstract. Counts of animal corpses resulting from road traffic collisions can give useful information on changes in animal abundance if there is a correlation between the population density of the species in neighbouring habitats and the number of road kills observed. Collection of data on mammal road casualties can be carried out by untrained volunteers; it can be collected across large areas; and it is cost effective in terms of time and expense. We carried out a study to determine if road casualty data can be used to monitor mammal abundance and distribution using one of the most commonly recorded road casualty species in the UK, the rabbit (Oryctolagus cuniculus), as an example. We found a direct relationship between the numbers of rabbit road casualties and the numbers living in the wider landscape. Nearly 60% of the deviance in the live rabbit density index could be explained using only rabbit road casualty, landclass group and traffic flow data. Therefore the use of road casualty data is a cost effective method of monitoring rabbits and, by implication, other species over a large area in the UK, and is a highly effective means of monitoring terrestrial mammals.

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Comparison of environmental, biological and anthropogenic causes of wildlife–vehicle collisions among three large herbivore species

2020

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Wildlife-vehicle collisions are of increasing concern with regards to the continuous and accelerating anthropogenic development. Preventing and mitigating collisions with wildlife will require a better understanding of the environmental and biological drivers of collision risks. Because species of large mammals differ in terms of food requirements, habitat selection and movement behaviors we tested, at the management unit level, if the density of collisions with red deer, roe deer and wild boar differed in terms of spatial distribution and explanatory factors. From 20,275 documented collisions in France between years 1990 and 2006, we found marked differences in the most influential environmental factors accounting for the density of collisions among the three large herbivore species. The effect of road density was higher for the red deer than for the two other species and did not level off at our spatial-scale of observation. As expected, the annual hunting harvest-interpreted as a proxy of population abundance-was positively associated with the density of collisions for all species, being the strongest for red deer. While the collision density decreased with the proportion of forest in a management unit for wild boar, it increased with the fragmentation of forest for red deer that commute among forest patches between day and night. To reduce the number of wildlifevehicle collisions, our results suggest to generalize road fencing and/or a control of abundance of large herbivore populations. Mitigation measures should target units where the collision risk is the highest for the most problematic species.

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Long‐term wildlife road‐kill counts in New Zealand

Cited by 43 publications

References 21 publications

Western weka road-kill at Cape Foulwind, Buller, New Zealand

Western weka road-kill at Cape Foulwind, Buller, New Zealand

Using the Dead to Mo Nitor the Living: Ca N Road Kill Counts Detect Trends in Mammal Abundance ?

Comparison of environmental, biological and anthropogenic causes of wildlife–vehicle collisions among three large herbivore species

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