Animal behavior in urban ecosystems: Modifications due to human-induced stress

Wildlife-human interactions are increasing in prevalence as urban sprawl continues to encroach into rural areas. Once considered to be unsuitable habitat for most wildlife species, urban/suburban areas now host an array of wildlife populations, many of which were previously restricted to rural or pristine habitats. The presence of some wildlife species in close proximity to dense human populations can create conflict, forcing resource managers to address issues relating to urban wildlife. However, evidence suggests that wildlife residing in urban areas may not exhibit the same life history traits as their rural counterparts because of adaptation to human-induced stresses. This creates difficulty for biologists or managers that must address problems associated with urban wildlife. Population control or mitigation efforts aimed at urban wildlife require detailed knowledge of the habits of wildlife populations in urban areas. This paper describes the history of wildlife in urban areas, provides examples of wildlife populations that have modified their behavior as an adaptation to urban stresses, and discusses the challenges that resource managers face when dealing with urban wildlife.     

A model of collaborative programming to address wildlife issues: The northeast wildlife damage management research and outreach cooperative

Wildlife abundance has grown for several species that are adapted to human-dominated landscapes. Overabundant wildlife may cause nuisance concerns and property damage, or spread zoonotic diseases such as West Nile virus, particularly at the suburban-rural interface of many communities. Consequently, wildlife damage management has become an important component of the wildlife profession. The complicated biological and human dimensions of human-wildlife conflicts often require partnerships between state and federal agencies, universities, local governments, communities, and private wildlife control professionals. The Northeast Wildlife Damage Management Research and Outreach Cooperative (WDM Coop) was formed to enhance coordination and collaboration among wildlife agencies, universities, and other cooperators to promote consistent, multi-state approaches for resolving wildlife-related concerns. During 2001–2004, 12 projects have been funded to examine issues associated with white-tailed deer (Odocoileus virginianus), black bear (Ursus americanus), Canada geese (Branta canadensis), and beaver (Castor canadensis). These projects have focused on a diverse array topics from community-based efforts to control deer populations, to aversive conditioning techniques for black bears. The Northeast Fish and Wildlife Agency Directors decided to exclude projects focusing on zoonotic diseases and human health issues from the list of WDM Coop activities. There have been focused efforts concerning human dimensions inquiry and outreach publications for wildlife management professionals. As state fish and wildlife agency budgets grow tighter and staff numbers are reduced, we believe more regional centers or wildlife management cooperatives will be formed to meet the increasing demand for services from multiple states with shared issues and concerns.     

Urban open spaces from a dispersal perspective: lessons from an individual-based model approach to assess the effects of landscape patterns on the viability of wildlife populations

Green areas drawn on a city plan represent open spaces that have different meanings for humans and wildlife. Diverse kinds of green may influence species viability in urban environments. It is necessary to understand what those areas mean for wildlife populations and how land-use changes affect habitats and movements for making scientifically defensible planning and design decisions. My objective was to demonstrate how open space and urban development patterns affect the viability of wildlife populations in urbanizing landscapes from a movements perspective. Eight scenarios for 2060 for an urbanizing area near Portland, Oregon combined four open space (none, corridors, parks, and network) with two urban development patterns (compact and dispersed). Dispersal model HexSim simulated three target species – Red-legged frog (Rana aurora aurora), Western meadowlark (Sturnella neclecta) and Douglas squirrel (Tamasciurus douglasii) – movements on those scenarios to compare and contrast sustained populations to the ca. 2010 baseline landscape. Network scenarios presented the largest number of frog breeders. Greenway scenarios showed the largest populations of squirrels. Park and network scenarios sustained viable populations of meadowlarks, but park scenarios performed best. Compact development scenarios performed best for most indicators, while dispersed development scenarios performed better for meadowlarks. Network scenarios performed best when considering the collective of species. Networks presented more diverse habitats, sustaining higher diversity of species. For plans to sustain more species, more comprehensive and diverse habitats must be promoted, otherwise trade-offs should be expected – like the extinction of meadowlarks in greenway scenarios.

     

Suburban wildlife: Lessons,challenges, and opportunities

The United States, as well as most developed and many developing nations worldwide, is becoming increasingly urban and suburban.Although urban, suburban, and commercial development account for less than one percent to just over 20% of land use among states, 50–90% of the residents of those states can be classified as urban or suburban dwellers. The population of the U.S. as a whole has risen from being > 95% rural in the 1790s to about 80% urban-suburban today. With these changes in land use and demographic patterns come changes in values and attitudes; many urbanites and suburbanites view wildlife and nature differently than rural residents. These are among the challenges faced by wildlife biologists and natural resource managers in a rapidly urbanizing world. In 2003, we convened a symposium to discuss issues related to suburban wildlife. The papers presented in this special issue of Urban Ecosystems address the lessons learned from the early and recently rapidly expanding literature, the challenges we face today, and the opportunities that can help deal with what is one of the biggest challenges to conservation in a modernizing world.     

The impact of parenting education on parent and child behaviors: Moderators by income and ethnicity

Parenting education has emerged as a promising resource for supporting parents, but the relative impact of parenting education among families facing higher versus lower risk remains unclear. The present study explored the effects of participating in an evidence-based parenting education series and examined whether those effects were moderated by families' socio-demographic contexts (income level and ethnicity status). Results indicated that parenting education series serving predominantly lower-income parents resulted in greater improvements in parents' parenting skills and their children's behaviors compared to series serving higher-income parents. Attending a parenting series with a higher proportion of Latino parents also significantly predicted greater improvements in child behaviors, but not parent skills. These findings provide preliminary evidence that parenting education may be most effective when it targets underserved populations. The findings further highlight the importance of continuing to explore the influence of parenting education adapted for low-income and Latino families to inform the design of evidence-based programs.     

A MODEL OF ADDICTION AND SOCIAL INTERACTIONS

Many consumer behaviors are both addictive and social. Understanding how these two phenomena interact informs basic models of human behavior, and matters for policymakers when the behavior is regulated. I develop a new model of demand that incorporates both addiction and social interactions and show that, under certain conditions, social interactions reinforce the effects of addiction. I also show how the dynamics introduced by addiction can solve the pernicious problem of identifying the causal effects of social interactions. I then use the model to illustrate a new and important identification problem for studies of social interactions: existing estimates cannot be used to draw welfare conclusions or even to deduce whether social interactions increase aggregate demand. Finally, I develop a method that allows researchers to distinguish between two common forms of social interactions and draw welfare conclusions. (JEL D11, H20)     

Collaboration for community-based wildlife management

Perhaps as remarkable as the general upsurge in public interest in wildlife over the last 30 years is the trend toward greater community-based wildlife management since the late 1980s. This paper discusses the challenges and opportunities at the local, community scale of collaboration for wildlife management. We explain how collaborative activity between the professional wildlife manager and community stakeholders can lead to improved identification of human-wildlife interactions and better understanding of wildlife-related impacts that are of primary management concern in the community. Community-based collaborative decision making can also effectively result in the specification of management actions that are acceptable to a community. Furthermore, agency-community collaboration can lead to co-management that goes beyond stakeholder input or involvement in decision making about management objectives and actions, and includes appropriate sharing of responsibility for implementation and evaluation. A growing role for the wildlife agency in such situations is facilitating the development of local capacity by filling information and process needs so that individuals and groups in a community can participate effectively in collaborative efforts appropriate to the necessary level of agency-community engagement. This opportunity for the wildlife profession promises to be rewarding and have lasting positive influence on communities for the benefit of wildlife management. However, most agencies cannot address every issue at a community level. Public wildlife managers need guidelines for judgment about when to engage in community-based wildlife management. They need to assess various risks associated with not engaging in a particular issue and to prioritize the potential situations where various degrees of community engagement may be desirable. This paper highlights these intriguing challenges and opportunities associated with community-based wildlife management. An erratum to this article is available at .     

Vacation farms and ecotourism in Saskatchewan, Canada

Vacation farms represent an increasingly significant rural diversification option for chronically unstable agriculture-based economies such as Saskatchewan. Concurrently, ecotourism is a rapidly expanding form of tourism which could serve to enhance the recreation product of such rural enterprises. Accordingly, a self-administered questionnaire was sent to all listed vacation farm operators in the province to obtain information on the provision of ecotourism opportunities. Just over one-half (n = 40) of all operations returned a completed questionnaire. Of 23 listed recreation options, wildlife viewing was cited as the activity most frequently undertaken by vacation farm visitors, followed by hunting, casual photography and touring. Wildlife viewing occurred most commonly during the spring and summer, with access to the resource occurring mainly on foot, and less so by horse and vehicle. Birds were the most important category of wildlife viewed, followed by mammals and plants; reptiles/amphibians, insects and fish were of only minor significance. It was evident that the sampled vacation farm operators possessed very little training in the area of ecotourism; few barriers or opportunities related to the latter were indicated. Appropriate recommendations include the provision of ecotourism training opportunities, stronger linkages between vacation farms and public spaces, and further investigation into the relationship between wildlife viewing and hunting activities.     

A citizen science survey: perceptions and attitudes of urban residents towards vervet monkeys

A diversity of indigenous and alien wildlife persists in suburbia, and provides residents with the opportunity to experience wildlife. Suburban gardens may serve as refugia and foraging grounds for many primate species allowing them to populate within a largely urbanized landscape. However, this has led to the increasing human interactions with them, resulting in conflict. Our study investigated the perceptions of suburban residents towards urban vervet monkeys Cercopithecus aethiops pygerythrus within the Msunduzi and Ethekwini municipalities, KwaZulu-Natal, South Africa. We assessed how these related to the monkeys’ presence, activities and interactions in residential gardens, and the value of wildlife to residents. Assessment was conducted through an online questionnaire survey. General attitudes of residents to vervet monkeys were canvassed by assessing the respondents’ level of active engagement in wildlife watching within their properties. We analyzed 603 surveys submitted online using logistic regression and ordinal regression models. We ascertained that vervet monkeys were disliked by 29% of residents due to their aggressiveness, destructive behaviour in gardens and households, and perceived threat to native wildlife. Frequency and duration of foraging vervet monkeys in residents’ gardens was influenced by the presence of pet dogs, fruiting trees, tall trees (>2 m), ratio of indigenous to alien vegetation of gardens, residency type, and active and passive food provisioning. Despite conflict, the majority of respondents appreciated urban wildlife (67%) and actively engaged in wildlife watching (88%), emphasizing the importance of incorporating human dimension values into the management of urban biodiversity. Our study highlights the value of citizen science in providing mechanisms for identifying priority management and conservation efforts at the highly complex human-wildlife interface in an urbanized landscape.     

Father Doesn’t Know Best? Parents’ Control of Money and Children’s Food Insecurity

Although developing‐country research has found that spending on children varies depending on which parent controls income, developed‐country research tends to ignore intrahousehold allocation. This study uses Fragile Families and Child Wellbeing Study data (N= 1,073 couples) to analyze how mothers versus fathers controlling money affects U.S. children’s food insecurity. Results show children are far less likely to experience food insecurity when parents’ pooled income is controlled by their mother than when it is controlled by their father or even when it is jointly controlled. By examining this association between resource control and child well‐being, this study suggests that child outcomes may be improved by altering control over household money, responsibility for feeding work, or both.     

Marriage,Cohabitation, and Happiness: A Cross‐National Analysis of 27 Countries

The authors investigated how the reported happiness of married and cohabiting individuals varies cross‐nationally with societal gender beliefs and religious context. They used the 2002 International Social Survey Programme data from 27 countries (N = 36,889) and specified hierarchical linear models with macro – micro level interactions in order to examine how the social – institutional context affects happiness at the individual level. Consistent with previous research, they found a happiness gap between married and cohabiting persons. In the case of women, this gap was moderated by the gender climate and the religious context in the country. This suggests that, at least for women, this gap is not intractable but is rather an outcome of the social context. For men, the relationship between marital status and happiness was less variable across the different social contexts studied.     

Population viability assessment and sensitivity analysis as a management tool for the peri-urban environment

Anthropogenic disturbance occurring within urban ecosystems is often extreme and highly variable. A quantifiable measure of their effect on the persistence of urban wildlife populations would contribute to conservation efforts. This study suggests that population viability assessment, a commonly utilized modeling tool for creating management strategies for rare and threatened wildlife populations, is also appropriate in an urban context. It can be used to create proactive management strategies that quantify the impacts of anthropogenic disturbances and rank a range of management options within an active adaptive framework. To show this, population viability assessment and sensitivity analyses were run to forecast the population trends of a seemingly robust but isolated swamp wallaby (Wallabia bicolor) population living in peri-urban Sydney, Australia; a population exposed to anthropogenic disturbances from towns, hobby farms and roads. Modeling suggested this population was in a slow decline and that predictions were highly dependent upon stochastic events and the precision of reproduction rates. However, a number of management options are identified that will dramatically reduce the risk of total population decline, with complementary options utilized in tandem the most effective.     

Urban wildlife ecology and conservation:A brief history of the discipline

Urban wildlife ecology and conservation is a discipline worldwide in scope. Although some attention was given the subject in the early to mid-1900s, most activity in the field is of more recent origin. Many European countries have active programs and activities, including the United Kingdom-Man and the Biosphere (UK-MAB) Urban Forum and The Wildlife Trusts of England, the United Nations Educational, Scientific, and Cultural Organization's MAB Program, and urban ecology research in Germany and Poland. The Netherlands' concept of “ecological landscapes” introduced a new approach to design of urban open space. Durban, South Africa followed with “D'MOSS,” a metropolitan open space system founded on the principles of island biogeography theory. The park connector network of Singapore combines principles of conservation biology and landscape planning. Urban wildlife programs and activities exist in the United States at the federal, state, and local levels as well as in private conservation organizations. The Wildlife Society established an Urban Affairs and Regional Planning Committee in the mid-1970s that later became the Urban Wildlife Committee and then evolved into the Urban Wildlife Working Group. Urban wildlife research is providing knowledge of wildlife and plant populations and communities in urban areas that hopefully will lead to better understanding and greater sustainability of urban ecosystems.     

An Exploration of African American Forest Landowners in Mississippi

In Mississippi counties with large African American populations, forest resources constitute one of the most important agricultural outputs. Despite the efforts of natural resources extension personnel to provide educational programming to this group, little is known about their needs, concerns, and meanings of the landscape for them. Research has taken place in the Carolinas, Alabama, and Georgia; however, forests and African American forest landowners in Mississippi face unique social, historical, and ecological contexts that need to be examined. If forests and forestry programs are to provide an equitable distribution of benefits to diverse populations in Mississippi, a culturally based understanding of landowners is needed with special attention to those populations who have been traditionally underserved because of race and income. We address this need by presenting data from focus groups with African American forest landowners in several rural Mississippi counties. Findings indicate that a complex relationship with the landscape has inculcated much traditional knowledge about forest resources, opportunities and challenges to participation in programs and landowner associations, and concerns over heir property, among other factors. We discuss implications for how forestry can meet the sustainable natural resource goals and rural development needs of African American landowners and communities.     

Coexisting with coyotes (<Emphasis Type="Italic">Canis latrans</Emphasis>) in an urban environment

The global spread of urban development and concomitant reduction in wilderness areas can both pressure and entice wild animals to adapt to the urban environment. As wildlife moves into metropolitan areas, however, they come into contact with residents who have become increasingly disconnected from natural environments and have little to no experience in dealing with wild animals. While many large carnivores actively avoid urban areas, North America’s coyote (Canis latrans) has proved remarkably adept at utilizing the highly altered habitat of the modern city. Yet while the coyote’s behavioural adaptations to urban areas have been relatively well researched, fewer studies have focused on human-coyote interactions in cities. Given that human attitudes, fears, knowledge and resulting behaviours often underpin human-wildlife conflicts, the following study investigates and compares the human aspects of coyote conflict in two cities with large populations of both people and coyotes: Chicago and Los Angeles. Data were collected via email surveys sent to residents of Cook and Los Angeles Counties. The survey instrument included questions on residents’ opinions, fears, knowledge, personal experiences with urban coyotes and behaviours affecting them. The general goal of the study was to investigate the potential for human-coyote coexistence in urban environments. The following research revealed great variation in attitudes towards coyotes, with animal lovers being as much a part of the problem as those with a paralyzing fear of wildlife. Consequently, finding acceptable solutions may pose a significant challenge to urban wildlife managers and reconciliation ecologists.     

Doing Disability: Disability Formations in the Search for Work*

Disability theorists have spent much time discussing how disability is defined. The theoretical roots for these debates reside in the medical, structural, and minority models of disability. The medical model views disability as equivalent to a functional impairment; the minority model sees a lack of equal rights as a primary impediment to social equality between able and disabled populations; and the structural model looks to environmental factors as the cause of disability. While debates over how to define disability are informative, there is currently an insufficient amount of empirical research looking at how people come to identify themselves as having a disability. Rather than focus on how disability is (or should be) defined, herein we look at how disability identities are constructed as people search for work. We show that people's interactions with employers and employment agencies have important influences on how disability identities are constructed. We borrow from the “doing gender” and “racial formations” paradigms to introduce an interactive approach to looking at how disability identities are constructed. We introduce the concept of disability formation to highlight how disability identities are continually negotiated through interactions with employment agencies and employers. Our findings are based on focus groups with 58 people who self‐identified as having a disability and were working or searching for work.     

Same time,same place: analyzing temporal and spatial trends in urban metabolism using proximate counties in the North Carolina Triangle

Urban ecosystems’ demands for energy and materials are rapidly growing, as is the burden of wastes produced in utilizing these resources. Current consumption patterns are considered unsustainable, as they degrade resource stocks and ecosystem services that support human populations. While an urban metabolism approach is useful in analyzing resource flow dynamics that affect sustainability, challenges regarding data resolution and temporal and spatial consistency have been persistent issues in both time-series and comparative cross-sectional analyses. We envisioned that addressing these issues would allow a deeper examination of changes in metabolic trends and more robust comparison between urban ecosystems. To minimize inconsistencies, we conducted a time-series and cross-sectional metabolism analysis of three proximate urban ecosystems over a common time period. Our study compared the metabolism of Durham, Orange, and Wake Counties in North Carolina, USA using the highest available data resolution from 1985 to 2005. We found that high resolution temporal data made it possible to identify specific metabolic trends and suggest connections to changes in infrastructure, policy, and weather patterns using additional data resources. Analyzing proximate urban ecosystems over a common time period allowed us to identify the metabolic effects of policy, weather patterns, infrastructure, and waste management programs. In evaluating these outcomes, we demonstrate how urban metabolism analyses could be a valuable tool for management and planning related to resource and energy flows.     

An Assessment of Social Work Education Efforts to Recruit and Retain MSW Students of Color

Social work programs in the United States (N=74) were investigated to determine strategies used for recruiting and retaining MSW students of color. Most schools had student populations exceeding 25,000 and combined BSW, MSW, and PhD programs. Data were collected using a Graduate Recruitment and Retention Scale with corresponding and acceptably stable subscales (alpha coefficients=.86 and .83, respectively). Long-term and durable problems were revealed vis-à-vis graduate student diversity, and few significant differences existed between public and private MSW program student diversity efforts. One exception was personalized follow-up to inquiries about application processes (p=0.01). Public or private status did not predict student diversity efforts in recruitment (Lambda [20, 35]=0.542, p>0.05, partial eta squared=0.458) or retention (Lambda [13, 50]=0.865, p>0.05, partial eta squared=0.135).     

Interpreting interviews

ABSTRACT

Realist evaluation (RE) is increasingly adopted to assess the effectiveness of social programs. RE goes beyond measurement of outcomes, providing insight into how and why programs work by focusing on how participants experience and respond to programs within certain contexts. A RE was conducted on Healthy Start-Départ Santé (HSDS), an early childhood development program in Canada, created to address the prevalence of overweight and obese children. The first step of the RE was to create an initial program theory (IPT) to identify key contexts and mechanisms relating to the success of the program. Realist methodology can be challenging, time consuming, and resource intensive and there are few practical examples of how to conduct a RE. This article aims to add to the realist methodological literature by describing the construction of the IPT, reflecting on the process used, and providing a starting point for future realist practitioners.