Journal of Urban Ecology最新文献_第9页

Inter-population differences in coyote diet and niche width along an urban–suburban–rural gradient 沿城市-郊区-城乡梯度的土狼食性和生态位宽度种群间差异

Journal of Urban Ecology Pub Date : 2021-01-01 DOI: 10.1093/jue/juab034

Scott Sugden, Maureen H. Murray, M. Edwards, C. S. St. Clair

{"title":"Inter-population differences in coyote diet and niche width along an urban–suburban–rural gradient","authors":"Scott Sugden, Maureen H. Murray, M. Edwards, C. S. St. Clair","doi":"10.1093/jue/juab034","DOIUrl":"https://doi.org/10.1093/jue/juab034","url":null,"abstract":"Many generalist species thrive in urban environments by supplementing their diets with anthropogenic food, which creates numerous challenges for managing urban wildlife. Management could be advanced with more information on how spatial and temporal variation in habitat use by urban animals predicts variation in their dietary ecology. In this study, we used stable isotope analysis complemented with GPS collar location data to determine how diet composition and the dietary niche of coyotes (Canis latrans) varied across a sample of 169 individuals collected along an urban-to-rural gradient in Alberta, Canada. We further categorized urban individuals as either matrix (frequent use of developed areas) or greenspace (use of natural areas) via GPS locations. Matrix coyotes were isotopically distinct from all other coyote populations: they had the largest dietary niche, exhibited the most among-individual variation in diet, consumed the most anthropogenic food and fruit, and consumed the least amount of prey. Greenspace coyotes consumed more anthropogenic food than rural and suburban coyotes but otherwise exhibited similar niche width, among-individual heterogeneity, and prey consumption. We further tested for seasonal dietary variation and found that urban coyotes had a larger dietary niche during the summer, when they also consumed more anthropogenic food. Our conclusions were robust to our choice of mixing model parameters, including discrimination factors, suggesting that these methodological choices have limited effect when discerning relative trends among populations. Overall, our results suggest that management of urban coyotes should target the food sources accessible to coyotes in the urban matrix to reduce human–coyote conflict.","PeriodicalId":37022,"journal":{"name":"Journal of Urban Ecology","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"61020761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 7

Use of molecular scatology to assess the diet of feral cats living in urban colonies 利用分子粪便学评估生活在城市殖民地的野猫的饮食

Journal of Urban Ecology Pub Date : 2021-01-01 DOI: 10.1093/jue/juab022

Laura D Plimpton, Carol S. Henger, J. Munshi-South, D. Tufts, Sara M. Kross, M. Diuk-Wasser

{"title":"Use of molecular scatology to assess the diet of feral cats living in urban colonies","authors":"Laura D Plimpton, Carol S. Henger, J. Munshi-South, D. Tufts, Sara M. Kross, M. Diuk-Wasser","doi":"10.1093/jue/juab022","DOIUrl":"https://doi.org/10.1093/jue/juab022","url":null,"abstract":"The overpopulation of domestic cats (Felis catus) presents a serious concern for wildlife conservationists, animal welfare advocates, public health officials, and community members alike. In cities, free-ranging, unowned cats often form high-density groups (commonly called ‘colonies’) around human provisioned food sources. While previous diet studies have primarily utilized morphology-based methods, molecular techniques offer a higher resolution alternative. In this study, we used next-generation sequencing techniques to examine the diet composition of feral cats living in five Trap-Neuter-Return colonies located in urban parks on Staten Island, a borough of New York City. We hypothesized that (1) cats living in urban colonies would still consume natural prey despite being regularly fed and (2) that the composition of taxa represented in the diet of each colony would vary, possibly due to differences in prey availability across sites. In total, 16 vertebrate prey taxa were identified in the diet, 13 at the genus level and 3 at the family level. Despite being regularly fed, 58.2% of cat scats contained DNA from natural prey. The diet composition of the cat colonies differed depending on the land cover composition surrounding the colony with the frequency of native prey positively correlated with the proportion of green space and that of non-native prey with developed land cover types. The use of molecular techniques combined with environmental DNA methods offers a promising, non-invasive approach to assessing the diet and consequently, impact of a highly abundant and non-native predator on the persistence of wildlife communities in cities.","PeriodicalId":37022,"journal":{"name":"Journal of Urban Ecology","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"61021055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 6

The common noctule bat (Nyctalus noctula): population trends from artificial roosts and the effect of biotic and abiotic parameters on the probability of occupation 普通夜蝠(夜蝠):人工栖息地的种群趋势及生物和非生物参数对占领概率的影响

Journal of Urban Ecology Pub Date : 2021-01-01 DOI: 10.1093/jue/juab033

Lisa Printz, M. Tschapka, Anna Vogeler

{"title":"The common noctule bat (Nyctalus noctula): population trends from artificial roosts and the effect of biotic and abiotic parameters on the probability of occupation","authors":"Lisa Printz, M. Tschapka, Anna Vogeler","doi":"10.1093/jue/juab033","DOIUrl":"https://doi.org/10.1093/jue/juab033","url":null,"abstract":"As urbanization and intense forestry management are increasing, natural bat roosting opportunities, e.g. tree cavities, are constantly declining. A common management practice, especially in urban environments, is the installation of bat boxes. We assessed (1) abundance trends inside artificial bat boxes of the noctule bat (Nyctalus noctula) over 11 years in Neu-Ulm, Germany, and identified (2) parameters affecting the occupation rate. Further, we compared (3) abundance of noctule bats in bat boxes between areas with large availability of natural roosts (forests) and urban areas with primarily artificial roosting structures (parks). Our results revealed a severe decline of noctule bats over 11 years. Further, our results indicate that bat boxes cannot fully replace natural tree cavities. Nonetheless, they support roost availability in areas already altered and providing only low amounts of natural bat roosts. The findings of our study have important implications for the conservation of bats in urbanized landscapes and underline the importance of old and intact forests for local biodiversity.","PeriodicalId":37022,"journal":{"name":"Journal of Urban Ecology","volume":"47 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"61021165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 6

Profiling native and introduced perennial garden plants in Puerto Rican urban residential yards 介绍波多黎各城市住宅庭院中的本地和引进的多年生花园植物

Journal of Urban Ecology Pub Date : 2021-01-01 DOI: 10.1093/JUE/JUAA037

E. Meléndez-Ackerman, J. Rojas‐Sandoval

{"title":"Profiling native and introduced perennial garden plants in Puerto Rican urban residential yards","authors":"E. Meléndez-Ackerman, J. Rojas‐Sandoval","doi":"10.1093/JUE/JUAA037","DOIUrl":"https://doi.org/10.1093/JUE/JUAA037","url":null,"abstract":"\u0000 Worldwide the number of non-native species escaping from cultivation into native habitats is steadily increasing with no signs of saturation. Species that eventually become invasive may generate unwanted social and ecological conditions especially in areas of conservation concern. This study built upon prior biodiversity work from 432 residential yards in the San Juan Metropolitan Area of Puerto Rico to evaluate the natural history and functional traits of native and non-native plant species in these green spaces. We reviewed the literature for a total of 361 plant species to extract information on their taxonomy, native distribution range, invasive status (casual, naturalized or invasive), life-form and ecological and biological species attributes. We then evaluated the relationship between their attributes and their probability of escaping cultivation and become invasive. Our results show that non-native species growing in yards are more likely to succeed in becoming invasive if they have vegetative growth, a mixed breeding system, and an unspecialized dispersal mode. We also found that native and non-native species occurring in residential yards share similar adaptive strategy scores. Most plant species that have already become invasive originated from Asia and America a fact that is likely tied to the US nursery trade. We used the combined results of this and prior studies to understand the factors facilitating plant invasion and to generate recommendations for the development of management strategies that may limit the spread of non-native ornamentals with the potential to escape cultivation and become invasive on this island.","PeriodicalId":37022,"journal":{"name":"Journal of Urban Ecology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46777818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Freshwater gastropod richness patterns along an urbanization gradient in tropical India 热带印度城市化梯度的淡水腹足动物丰富度格局

Journal of Urban Ecology Pub Date : 2021-01-01 DOI: 10.1093/jue/juab035

M. Kulkarni, Akash Bagade, Sameer M. Padhye

引用次数: 1

The impact of language in conflicts over urban coyotes 语言对城市土狼冲突的影响

Journal of Urban Ecology Pub Date : 2021-01-01 DOI: 10.1093/jue/juab036

Megan M Draheim, S. Crate, E. Parsons, L. Rockwood

{"title":"The impact of language in conflicts over urban coyotes","authors":"Megan M Draheim, S. Crate, E. Parsons, L. Rockwood","doi":"10.1093/jue/juab036","DOIUrl":"https://doi.org/10.1093/jue/juab036","url":null,"abstract":"Wildlife managers and others charged with resolving human-coyote conflict in urban and suburban areas cannot focus solely on ecology and coyote behavior. The perceptions of the people living in the affected communities play a significant role in the resolution of human-coyote conflict. In this study, we explore how residents of two communities in suburban Denver, CO, USA, mentally processed, made sense of, and acted upon human–coyote interactions in the face of conflict. By conducting interviews and using qualitative content analysis to explore existing documents, we examined how the use of language reflected and exacerbated the conflict over coyote management. Themes of violence, crime and war ran throughout our data. Anger and accusations of extremism were prevalent. Closely tied to the violent language and imagery used was a discussion of tolerance and intolerance, taking what is generally human-centric language and using it with wildlife. In addition, labeling coyotes as not belonging in an area (although they are a native species) further increased the urge to protect family and pets from the perception of the threat against ‘the other’, sometimes expressed in inflammatory language. Political and other messaging can either enhance or reduce a sense of threat, and we found that the language used in this debate enhanced the perceived threat of both coyotes and policy opponents. Finding ways to defuse this language could be a step toward a greater understanding of how to live with local wildlife in a way that minimizes harm to people and to the animals.","PeriodicalId":37022,"journal":{"name":"Journal of Urban Ecology","volume":"61 19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"61020791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

The role of invasion and urbanization gradients in shaping avian community composition 入侵和城市化梯度对鸟类群落组成的影响

Journal of Urban Ecology Pub Date : 2021-01-01 DOI: 10.1093/jue/juab030

Andrew M. Rogers, A. Griffin, Françoise Lermite, B. V. van Rensburg, Carla L. Archibald, S. Kark

{"title":"The role of invasion and urbanization gradients in shaping avian community composition","authors":"Andrew M. Rogers, A. Griffin, Françoise Lermite, B. V. van Rensburg, Carla L. Archibald, S. Kark","doi":"10.1093/jue/juab030","DOIUrl":"https://doi.org/10.1093/jue/juab030","url":null,"abstract":"The extent to which native species utilize urban environments depends on species responses to multiple threatening processes. Here, we aimed to quantify changes in bird communities in response to changing habitat structure, invasive species and aggressive native species. We conducted surveys in two independently invaded regions with similar patterns of urban development. The study regions were New South Wales (NSW) and Queensland (QLD), Australia. We observed 127 species in NSW and 144 species in QLD. Most species (NSW 83 and QLD 84) are urban adapters making use of some or all urban sub-environments. Urban avoiders, species only found in remnant vegetation, were the second largest group (urban avoiders: NSW 23 and QLD 31). We found the lowest richness in the most urban sites (urban exploiters: NSW 10 and QLD 15). Using generalized linear mixed models, we found a non-significant relationship between species richness and the abundance of aggressive species like the common myna and noisy miners, Manorina melanocephala, but a significant positive correlation with the percentage of shrub cover at a site. As there is a gradual loss of species with increasing urbanization, retaining higher complexity in vegetation structure in urban areas will support large numbers of species and could help mitigate the potential impacts of aggressive urban-adapted species and habitat loss.","PeriodicalId":37022,"journal":{"name":"Journal of Urban Ecology","volume":"49 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"61021145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Insulated nest boxes provide thermal refuges for wildlife in urban bushland during summer heatwaves 隔热的巢箱在夏季热浪中为城市丛林中的野生动物提供了热避难所

Journal of Urban Ecology Pub Date : 2021-01-01 DOI: 10.1093/jue/juab032

Reannan Honey, C. Mclean, B. Murray, J. Webb

{"title":"Insulated nest boxes provide thermal refuges for wildlife in urban bushland during summer heatwaves","authors":"Reannan Honey, C. Mclean, B. Murray, J. Webb","doi":"10.1093/jue/juab032","DOIUrl":"https://doi.org/10.1093/jue/juab032","url":null,"abstract":"In urban bushland, the installation of nest boxes is widely used to compensate for the loss of natural tree hollows. However, current nest box designs may not provide thermal refuges for wildlife during summer heatwaves, particularly if internal temperatures exceed the upper critical temperatures of wildlife. We investigated whether the addition of roofing insulation to nest boxes deployed for sugar gliders (Petaurus breviceps) and squirrel gliders (Petaurus norfolcensis) in urban bushland would reduce internal nest box temperatures during summer heatwaves. We measured temperatures of 44 insulated and 47 uninsulated nest boxes during one of the hottest summers on record (2018–2019) in the Lake Macquarie region of NSW, Australia, a period during which several prolonged heatwaves occurred. Over the 90-day study, maximum temperatures were, on average, 3.1°C lower in insulated boxes than in uninsulated boxes. The addition of insulation significantly lowered nest box temperatures regardless of aspect (north or south facing) or day of measurement. Temperatures exceeded the upper critical temperature (35.1°C) of gliders more frequently in uninsulated nest boxes (28% of days) than in insulated nest boxes (8% days). Although the addition of insulation to nest boxes lowered their internal temperatures, during heatwaves spanning 23 days, nest box temperatures exceeded the upper critical temperatures of gliders on 58% and 23% of days in uninsulated and insulated nest boxes respectively. These findings underscore the importance of retaining natural hollows in urban bushland to provide thermally suitable refuges for wildlife during extreme heat events.","PeriodicalId":37022,"journal":{"name":"Journal of Urban Ecology","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"61021156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Sustainable development goals and the European Cohesion Policy: an application to the autonomous Region of Sardinia 可持续发展目标和欧洲凝聚力政策:在撒丁岛自治区的应用

Journal of Urban Ecology Pub Date : 2021-01-01 DOI: 10.1093/jue/juab038

L. Cavalli, S. Sanna, Mia Alibegovic, F. Arras, G. Cocco, Luca Farnia, Emanuela Manca, L. Mulas, Marco Onnis, Sandro Ortu, Ilenia G. Romani, Marta Testa

{"title":"Sustainable development goals and the European Cohesion Policy: an application to the autonomous Region of Sardinia","authors":"L. Cavalli, S. Sanna, Mia Alibegovic, F. Arras, G. Cocco, Luca Farnia, Emanuela Manca, L. Mulas, Marco Onnis, Sandro Ortu, Ilenia G. Romani, Marta Testa","doi":"10.1093/jue/juab038","DOIUrl":"https://doi.org/10.1093/jue/juab038","url":null,"abstract":"Paramount to the implementation of the 2030 Agenda and the effective tackling of the 17 sustainable development goals (SDGs) is the cooperation and coordination of the different levels of government—i.e. the supranational, national and local levels. This is due to the very nature of the SDGs, which are multi-dimensional and intended to guide and boost sustainable development at multiple scales. The European Union (EU) demonstrated a full commitment to the Agenda, making sustainable development a top priority. In fact, the five strategic objectives of the EU are modelled on the principles of the 2030 Agenda and the Cohesion Policy, EU’s most transversal policy, is designed to give a direct contribution to the tackling of the 17 SDGs. Introducing a new methodology to evaluate the sustainability of operational programmes co-financed by the EU, the following paper aims to contribute to the building literature around the question of monitoring public investments regarding sustainability criteria. By matching the 169 targets of the 2030 Agenda with the 143 intervention fields of the Cohesion Policy, with specific reference to Sardinia’s European Regional Development Fund and European Social Fund 2014–2020 Regional Operational Programmes, the present work introduces the key features of the model developed and its first results. The model could be of valuable support to policymakers who now have an innovative tool to monitor investments’ coherence with the sustainability standards of the 2030 Agenda.","PeriodicalId":37022,"journal":{"name":"Journal of Urban Ecology","volume":"56 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"61021197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Monitoring the mammalian fauna of urban areas using remote cameras and citizen science 利用远程摄像机和公民科学监测城市地区的哺乳动物

Journal of Urban Ecology Pub Date : 2020-06-18 DOI: 10.1093/JUE/JUY002

V. Anton, S. Hartley, A. Geldenhuis, H. Wittmer

{"title":"Monitoring the mammalian fauna of urban areas using remote cameras and citizen science","authors":"V. Anton, S. Hartley, A. Geldenhuis, H. Wittmer","doi":"10.1093/JUE/JUY002","DOIUrl":"https://doi.org/10.1093/JUE/JUY002","url":null,"abstract":"©The Author(s) 2018. Published by Oxford University Press. Remotely activated cameras are increasingly used worldwide to investigate the distribution, abundance and behaviour of animals. The number of studies using remote cameras in urban ecosystems, however, is low compared to use in other ecosystems. Currently, the time and effort required to classify images is the main constraint of this monitoring technique. To determine whether, or not, citizen science might help overcome this constraint, we investigated the engagement, accuracy and efficiency of citizen scientists providing crowd-sourced classifications of animal images recorded by remote cameras in Wellington, New Zealand. Classifications from individual citizen scientists were in 84.2% agreement with the classifications of professional ecologists. Aggregating the classifications from three citizen scientists per image, and excluding false triggers and unclassifiable classifications increased their overall accuracy to 97.6%. Classifications by citizen scientists also improved if animal movement was highlighted in the images. The likelihood of citizen scientists correctly classifying images was influenced by their previous accuracy, their self-assessed confidence, and the species reported. Weighting the citizen scientist classifications based on their ability to correctly identify animals reduced from 3 to 2 the number of classifications required per sequence to classify >95% of the photographs containing cats. Citizen science is an accurate and efficient approach for classifying remote camera data from urban areas, where most of the animals are familiar to the participants. We demonstrated how appropriate tools and accounting for the accuracy of citizen scientists, allows project managers to maximise the effort of citizen scientists while ensuring high-quality data.","PeriodicalId":37022,"journal":{"name":"Journal of Urban Ecology","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1093/JUE/JUY002","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47739294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 23