Landscape characteristics affect animal control by urban residents

Morzillo, Anita T.; Schwartz, Matthew D.

doi:10.1890/es11-00120.1

Cited by 18 publications

(22 citation statements)

References 84 publications

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“…Our research suggests that human-wildlife interactions and feedbacks may follow similar patterns (Morzillo and Schwartz 2011). Basic resource needs, e.g., cover, food, and water, must be present in a location for it to be considered suitable habitat; conditions of those resources influence wildlife presence (Fig.…”

Section: Figmentioning

confidence: 81%

“…For example, particular vegetation types commonly used in landscaping can be attractive to wildlife because of nutritional quality and/or availability (Nielsen and Porter 2011). Our own research suggests that nonnative vegetation, e.g., fruit trees, may provide cover and food alternatives to "natural" vegetation, and influence relationships between landscape characteristics, human-wildlife conflict, and specific species (Morzillo and Schwartz 2011;Steinberg et al, in press). Thus, human decisions about landscape characteristics can result in attracting wildlife, and be iterative if humans reinforce those characteristics following wildlife-related events (Leong 2009).…”

Section: Figmentioning

confidence: 92%

“…Past research has investigated many of the individual relationships that we present within the framework, but formal integration of those relationships has not yet been presented. Included in this discourse is our own ongoing study of urban rodent control behavior Mertig 2011 a, b, Morzillo andSchwartz 2011), which serves as an impetus for this discussion. Similar to the aforementioned frameworks, results from our rodent control study suggest that both species population size and human changes to habitat play a role in human-wildlife relationships.…”

Section: Background and Contextmentioning

confidence: 99%

“…1h), which vary between species and development patterns (Krester et al 2008). In fact, habitat change is among the greatest challenges to urban wildlife management (DeStefano and DeGraaf 2003), as variation in vegetation and development characteristics influence urban wildlife composition (Theobald 2004, Fraterrigo and Wiens 2005, McKinney 2008) and potential for conflict and resulting human behavior (Morzillo and Schwartz 2011).…”

Section: Figmentioning

confidence: 99%

“…Many studies have evaluated interactions between humans and wildlife in urban areas and potential impacts of residential activities on wildlife (e.g., Lepczyk et al 2004a, b, Faeth et al 2005. However, few studies have linked human-wildlife interactions to broader coupled human and natural systems processes across landscapes, consisting of human and natural components and the interactions (or feedbacks) between them ), particularly within urban ecosystems (Morzillo and Schwartz 2011). With ongoing human population shifts from rural to suburban and urban areas (Hobbs andStoops 2002, McKinney 2002), there is a need to better understand such linkages.…”

Section: Introductionmentioning

confidence: 99%

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A conceptual framework to evaluate human-wildlife interactions within coupled human and natural systems

Morzillo¹,

Beurs²,

Martin-Mikle³

2014

E&S

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ABSTRACT. Landscape characteristics affect human-wildlife interactions. However, there is a need to better understand mechanisms that drive those interactions, particularly feedbacks that exist between wildlife-related impacts, human reaction to and behavior as a result of those impacts, and how land use and landscape characteristics may influence those components within coupled human and natural systems. Current conceptual models of human-wildlife interactions often focus on species population size as the independent variable driving those interactions. Such an approach potentially overlooks important feedbacks among and drivers of human-wildlife interactions that result from mere wildlife presence versus absence. We describe an emerging conceptual framework that focuses on wildlife as a driver of human behavior and allows us to better understand linkages between humans, wildlife, and the broader landscape. We also present results of a pilot analysis related to our own ongoing study of urban rodent control behavior to illustrate one application of this framework within a study of urban landscapes.

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Section: Figmentioning

confidence: 81%

Section: Figmentioning

confidence: 92%

Section: Background and Contextmentioning

confidence: 99%

Section: Figmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A conceptual framework to evaluate human-wildlife interactions within coupled human and natural systems

Morzillo¹,

Beurs²,

Martin-Mikle³

2014

E&S

Self Cite

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Patterns of exposure of coyotes to anticoagulant rodenticides in California, USA

Stapp,

Mc Kenzie,

Bucklin

et al. 2024

J Wildl Manag

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Secondary exposure to anticoagulant rodenticides (ARs) causes the death of mammalian predators and scavengers directly and indirectly through sublethal effects that reduce fitness. Poisoning by ARs has been proposed to be a significant source of mortality for coyotes (Canis latrans), a medium‐sized canid that thrives at the urban–wildland interface and may prey upon species targeted by pest control efforts. However, only 1 study, with a relatively small sample size, documented the prevalence of AR exposure in a free‐roaming coyote population. We quantified AR exposure in carcasses of 365 urban and suburban coyotes in southern California, USA, and compared AR prevalence and hepatic residue concentrations to those of 120 rural coyotes collected elsewhere in the state. For urban coyotes, we also examined demographic (sex, age, body mass, cause of death) and environmental factors (season, degree of urbanization, diet) that could influence the number of AR compounds and residue concentrations. Nearly all urban coyotes (98.1%) were exposed to at least 1 AR, compared to 41.7% of rural coyotes, and most individuals had residues of both first‐generation (FGAR) and the more potent second‐generation (SGAR) compounds, often at concentrations exceeding thresholds considered lethal in other mammals. Anticoagulant rodenticide exposure of urban coyotes did not vary by sex or season, but the number of compounds detected increased with mass, and adults tended to have residues of more compounds and at higher concentrations than juveniles, suggesting repeated and chronic exposure. Livers of road‐killed coyotes had higher SGAR concentrations than those euthanized as nuisance animals, which had lower SGAR concentrations in intensively urbanized areas. Concentrations of SGAR and FGAR residues were highest in suburban areas with natural open space and lower intensity development, and stable isotope values suggested that these coyotes were exposed to ARs by consuming commensal rodents and possibly mesocarnivores. In contrast, coyotes from urbanized areas had lower AR concentrations possibly because less AR is applied in these settings or because coyotes consumed foods with less AR, such as domestic cats and anthropogenic resources. Although some coyotes showed evidence of internal bleeding consistent with AR toxicosis and were in poorer body condition, there was no clear relationship between the extent of hemorrhaging and AR exposure. Despite statewide legislation to restrict their use and mitigate non‐target impacts, AR exposure remains ubiquitous in southern California and represents another stressor of urban life to which coyotes have successfully adjusted, making them a potential sentinel of environmental contamination.

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Ecological Factors Driving Uptake of Anticoagulant Rodenticides in Predators

Hindmarch¹,

Elliott

2017

Emerging Topics in Ecotoxicology

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Landscape characteristics affect animal control by urban residents

Cited by 18 publications

References 84 publications

A conceptual framework to evaluate human-wildlife interactions within coupled human and natural systems

A conceptual framework to evaluate human-wildlife interactions within coupled human and natural systems

Patterns of exposure of coyotes to anticoagulant rodenticides in California, USA

Ecological Factors Driving Uptake of Anticoagulant Rodenticides in Predators

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