Off‐Highway Vehicle Trail Impacts on Breeding Songbirds in Northeastern California

Barton, Daniel C.; Holmes, Aaron L.

doi:10.2193/2006-026

Cited by 27 publications

(20 citation statements)

References 16 publications

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“…The USDA Forest Service has proposed to amend OHV regulations in an attempt to mitigate the environmental damage inflicted by these vehicles (USDA Forest Service, 2004). It has been demonstrated that OHV use reduces the abundance of bird species and increases the desertion rates of nests in Northeastern California (Barton and Holmes, 2007). In Algodones Dunes in California, a study showed that OHV usage reduces the density of a threatened plant by 4-5 times, and that plants struck by OHVs have survival rates reduced by 33% (Groom et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

Non-market valuation of off-highway vehicle recreation in Larimer County, Colorado: Implications of trail closures

Deisenroth

Loomis

Bond

2009

Journal of Environmental Management

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Section: Introductionmentioning

confidence: 99%

Non-market valuation of off-highway vehicle recreation in Larimer County, Colorado: Implications of trail closures

Deisenroth

Loomis

Bond

2009

Journal of Environmental Management

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“…Arthropods, lizards, and mammals experienced marked declines in portions of sand dunes used by OHVs in southeastern California (Luckenbach and Bury ), and OHV activity in the Mojave Desert was associated with reduced densities and body mass of desert tortoises ( Gopherus agassizii; Bury and Luckenbach ). Breeding songbirds were less abundant, and nest abandonment rates higher near OHV trails in northeastern California (Barton and Holmes ). However, thus far, long‐term effects of OHV activity on populations of large avian predators have not been documented.…”

mentioning

confidence: 99%

Temporal and spatial changes in golden eagle reproduction in relation to increased off highway vehicle activity

Steenhof¹,

Brown

Kochert

2014

Wildl. Soc. Bull.

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We used >40 years of data on golden eagles (Aquila chrysaetos) nesting in southwestern Idaho, USA, to assess whether the proportion of territories and pairs producing young has changed over time, and whether territories in areas where off highway vehicle (OHV) use has increased significantly were less likely to be productive than those in areas that continued to have little or no motorized recreation. The proportion of territories that produced young was similar across southwestern Idaho from the late 1960s to 1999. After a dramatic increase in OHV use from 1999 to 2009, occupancy and success of territories in close proximity to recreational trails and parking areas declined, and the proportion of these territories producing young differed significantly from territories not impacted by OHVs. We could not pinpoint which types of motorized activity are most disturbing, nor could we identify disturbance thresholds at which eagles abandon their eggs, their young, and finally their territory. Timing, proximity, duration, and frequency of disturbance could all play a role. Ó 2014 The Wildlife Society.

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“…Recreational OHV use in California's desert southwest is increasing in popularity, likely to the detriment of flora and fauna (Cordell, Betz, Green, & Mou, ). Off‐highway vehicle activity has been found to directly kill native plants and animals, alter animal movements, reduce reproductive and nesting success, compact soil, change water runoff patterns, and increase susceptibility to erosion (Barton & Holmes, ; Groom, McKinney, Ball, & Winchell, ; Lovich & Bainbridge, ). Given these negative impacts, restricting OHV use in areas projected to be of high conservation value in the future may be an important step towards minimizing conflicts between recreation interests and biodiversity conservation.…”

Section: Discussionmentioning

confidence: 99%

Acoustic and camera surveys inform models of current and future vertebrate distributions in a changing desert ecosystem

Rich

Furnas

Newton

et al. 2019

Diversity and Distributions

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Aim: Maintaining biodiversity in the face of land use and climate change is a paramount challenge, particularly when distributions of many species remain incompletely known. Emerging technologies help address this data deficiency by facilitating the collection of spatially explicit data for multiple species from multiple taxa. In this study, we combine acoustic and visual sensor surveys to inform conservation and land use planning in an area experiencing rapid climate and land use change.Location: Mojave Desert, California, United States. Methods: We deployed camera traps and acoustic detectors at 210 sites betweenMarch and July 2016. We identified photographic detections of mammals and acoustic recordings of songbirds to the species level and used multispecies occupancy models to estimate and evaluate species' occupancy probabilities. We then extrapolated model results to the region and forecasted how projected climate and land use changes might affect species' occupancy probabilities in 50 years. Lastly, we identified areas with high conservation value (i.e., high relative species richness) now and in 50 years, and related the distributions of these areas to land use designations. Results:We detected 15 mammal and 68 songbird species. At the community level, occupancy decreased with increasing temperatures and distances to woodlands. We forecasted that occupancy probabilities and areas with high conservation value would decline in 50 years due to projected increases in maximum temperatures and identified that up to 43%, 24% and 27% of land designated for renewable energy development, recreation and military activities, respectively, encompassed these high value areas. Main conclusions:Cooler areas close to woodlands and water are of high conservation value to mammals and songbirds in the Mojave. These areas will become increasingly limited with changing climate, however, making their protection from human disturbance imperative. We encourage continued use of visual and acoustic sensors across large spatial, temporal and taxonomic scales as tools to inform land use and wildlife conservation. K E Y W O R D Sacoustic recorder, camera trap, climate change, land use planning, Mojave Desert, multispecies occupancy model, species richness

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Off‐Highway Vehicle Trail Impacts on Breeding Songbirds in Northeastern California

Cited by 27 publications

References 16 publications

Non-market valuation of off-highway vehicle recreation in Larimer County, Colorado: Implications of trail closures

Non-market valuation of off-highway vehicle recreation in Larimer County, Colorado: Implications of trail closures

Temporal and spatial changes in golden eagle reproduction in relation to increased off highway vehicle activity

Acoustic and camera surveys inform models of current and future vertebrate distributions in a changing desert ecosystem

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