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Growth and ecosystem services of urban trees / Thomas Rötzer (2019)  

Public Titre : Growth and ecosystem services of urban trees Type de document : Monographie Auteurs : Thomas Rötzer, Editeur scientifique Editeur : Bâle [Suisse] : Multidisciplinary Digital Publishing Institute MDPI Année de publication : 2019 Importance : 170 p. Format : 16 x 24 cm ISBN/ISSN/EAN : 978-3-03921-593-5 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes descripteurs IGN] arbre urbain [Termes descripteurs IGN] climat urbain [Termes descripteurs IGN] croissance végétale [Termes descripteurs IGN] écosystème urbain [Termes descripteurs IGN] forêt urbaine [Termes descripteurs IGN] ilot thermique urbain [Termes descripteurs IGN] paysage urbain [Termes descripteurs IGN] phénologie [Termes descripteurs IGN] puits de carbone [Termes descripteurs IGN] service écosystémique [Vedettes matières IGN] Végétation et changement climatique Résumé : (éditeur) Numerous studies indicate an accelerated growth of forest trees, induced by ongoing climate change. Similar trends were recently found for urban trees in major cities worldwide. Studies frequently report about substantial effects of climate change and the urban heat island effect (UHI) on plant growth. The combined effects of increasing temperatures, changing precipitation patterns, and extended growing season lengths, in addition to increasing nitrogen deposition and higher CO2 concentrations, can increase but also reduce plant growth. Closely related to this, the multiple functions and services provided by urban trees may be modified. Urban trees generate numerous ecosystem services, including carbon storage, mitigation of the heat island effect, reduction of rainwater runoff, pollutant filtering, recreation effects, shading, and cooling. The quantity of the ecosystem services is often closely associated with the species, structure, age, and size of the tree as well as with a tree’s vitality. Therefore, greening cities, and particularly planting trees, seems to be an effective option to mitigate climate change and the UHI. The focus of this Special Issue is to underline the importance of trees as part of the urban green areas for major cities in all climate zones. Empirical as well as modeling studies of urban tree growth and their services and disservices in cities worldwide are included. Articles about the dynamics, structures, and functions of urban trees as well as the influence of climate and climate change on urban tree growth, urban species composition, carbon storage, and biodiversity are also discussed. Note de contenu : 1- Growth of abies sachalinensis along an urban gradient affected by environmental pollution in Sapporo, Japan 2- Modeling ecosystem services for park trees: Sensitivity of i-tree eco simulations to light exposure and tree species classification 3- How do tilia cordata greenspire trees cope with drought stress regarding their biomass allocation and ecosystem services? 4- Structure, diversity, and carbon stocks of the tree community of Kumasi, Ghana 5- Preferences of tourists for the service quality of Taichung Calligraphy Greenway in Taiwan 6- Mutual influences of urban microclimate and urban trees: An investigation of phenology and cooling capacity 7- The influence of individual-specific plant parameters and species composition on the allergenic potential of urban green spaces 8- Tree vitality assessment in urban landscapes 9- Spatio-temporal patterns of urban forest basal area under China’s rapid urban expansion and greening: Implications for urban green infrastructure management 10- Urban park systems to support sustainability: The role of urban park systems in hot arid urban climates Numéro de notice : 25961 Affiliation des auteurs : non IGN Thématique : FORET Nature : Monographie DOI : 10.3390/books978-3-03921-593-5 En ligne : https://doi.org/10.3390/books978-3-03921-593-5 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96506

A framework towards a composite indicator for urban ecosystem services / Mahbubul Alam in Ecological indicators, vol 60 (January 2016)  

Public [article]  inEcological indicators > vol 60 (January 2016) . - pp 38 - 44 Titre : A framework towards a composite indicator for urban ecosystem services Type de document : Article/Communication Auteurs : Mahbubul Alam, Auteur ; Jérôme Dupras, Auteur ; Christian Messier, Auteur Année de publication : 2016 Article en page(s) : pp 38 - 44 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Environnement [Termes descripteurs IGN] forêt urbaine [Termes descripteurs IGN] indicateur de service écosystémique [Termes descripteurs IGN] performance [Termes descripteurs IGN] service écosystémique Résumé : (auteur) This article describes a composite indicator for ecosystem services. This composite is composed of several sub-indices, each representing either land use types or ecosystem services. While the overall composite indicates a general overview of the performance of a system in terms of ecosystem services provision, the sub-indices provide sources of variation. Taking into consideration potential trade-offs between making the framework complex and keeping it simple, the composite was developed on two levels. The first level, a simpler one, requires few indicators and therefore needs less data as inputs. The second level, in contrast, is more complex requiring more indicators, involving more detailed measurements, and therefore can be applied with more confidence. Numéro de notice : A2016-336 Affiliation des auteurs : non IGN Thématique : BIODIVERSITE/FORET Nature : Article nature-HAL : ArtAvecCL-RevueIntern En ligne : http://dx.doi.org/10.1016/j.ecolind.2015.05.035 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=81018 [article]

Effects of LiDAR point density and landscape context on estimates of urban forest biomass / Kunwar K. Singh in ISPRS Journal of photogrammetry and remote sensing, vol 101 (March 2015)

Public [article]  inISPRS Journal of photogrammetry and remote sensing > vol 101 (March 2015) . - pp 310 - 322 Titre : Effects of LiDAR point density and landscape context on estimates of urban forest biomass Type de document : Article/Communication Auteurs : Kunwar K. Singh, Auteur ; Gang Chen, Auteur ; James B. McCarter, Auteur ; Ross K. Meentemeyer, Auteur Année de publication : 2015 Article en page(s) : pp 310 - 322 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Lasergrammétrie [Termes descripteurs IGN] biomasse [Termes descripteurs IGN] Caroline du Nord (Etats-Unis) [Termes descripteurs IGN] composition d'un peuplement forestier [Termes descripteurs IGN] densité des points [Termes descripteurs IGN] données lidar [Termes descripteurs IGN] données localisées 3D [Termes descripteurs IGN] estimation de quantité [Termes descripteurs IGN] feuillu [Termes descripteurs IGN] forêt urbaine [Termes descripteurs IGN] régression multiple Résumé : (auteur) Light Detection and Ranging (LiDAR) data is being increasingly used as an effective alternative to conventional optical remote sensing to accurately estimate aboveground forest biomass ranging from individual tree to stand levels. Recent advancements in LiDAR technology have resulted in higher point densities and improved data accuracies accompanied by challenges for procuring and processing voluminous LiDAR data for large-area assessments. Reducing point density lowers data acquisition costs and overcomes computational challenges for large-area forest assessments. However, how does lower point density impact the accuracy of biomass estimation in forests containing a great level of anthropogenic disturbance? We evaluate the effects of LiDAR point density on the biomass estimation of remnant forests in the rapidly urbanizing region of Charlotte, North Carolina, USA. We used multiple linear regression to establish a statistical relationship between field-measured biomass and predictor variables derived from LiDAR data with varying densities. We compared the estimation accuracies between a general Urban Forest type and three Forest Type models (evergreen, deciduous, and mixed) and quantified the degree to which landscape context influenced biomass estimation. The explained biomass variance of the Urban Forest model, using adjusted R2, was consistent across the reduced point densities, with the highest difference of 11.5% between the 100% and 1% point densities. The combined estimates of Forest Type biomass models outperformed the Urban Forest models at the representative point densities (100% and 40%). The Urban Forest biomass model with development density of 125 m radius produced the highest adjusted R2 (0.83 and 0.82 at 100% and 40% LiDAR point densities, respectively) and the lowest RMSE values, highlighting a distance impact of development on biomass estimation. Our evaluation suggests that reducing LiDAR point density is a viable solution to regional-scale forest assessment without compromising the accuracy of biomass estimates, and these estimates can be further improved using development density. Numéro de notice : A2015-471 Affiliation des auteurs : non IGN Thématique : FORET/IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=77173 [article]

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Historical GIS research in Canada / Jennifer Bonnell (2014)  

Public Titre : Historical GIS research in Canada Type de document : Monographie Auteurs : Jennifer Bonnell, Editeur scientifique ; Marcel Fortin, Editeur scientifique Editeur : Calgary [Canada] : University of Calgary Année de publication : 2014 Importance : 344 p. ISBN/ISSN/EAN : 978-1-55238-744-3 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications SIG [Termes descripteurs IGN] Canada [Termes descripteurs IGN] cartographie thématique [Termes descripteurs IGN] cartothèque [Termes descripteurs IGN] ethnologie [Termes descripteurs IGN] forêt urbaine [Termes descripteurs IGN] Google Earth [Termes descripteurs IGN] histoire [Termes descripteurs IGN] migration humaine [Termes descripteurs IGN] périphérie urbaine [Termes descripteurs IGN] pétrole [Termes descripteurs IGN] Saint-Laurent (fleuve) Résumé : (auteur) Fundamentally concerned with place, and our ability to understand human relationships with environment over time, Historical Geographic Information Systems (HGIS) as a tool and a subject has direct bearing for the study of contemporary environmental issues and realities. To date, HGIS projects in Canada are few and publications that discuss these projects directly even fewer. This book brings together case studies of HGIS projects in historical geography, social and cultural history, and environmental history from Canada's diverse regions. Projects include religion and ethnicity, migration, indigenous land practices, rebuilding a nineteenth-century neighborhood, and working with Google Earth. Note de contenu : Introduction 1- Turning Space Inside Out: Spatial History and Race in Victorian Victoria 2- Mapping the Welland Canals and the St. Lawrence Seaway with Google Earth 3- Reinventing the Map Library: The Don Valley Historical Mapping Project 4- The Best Seat in the House: Using Historical GIS to Explore Religion and Ethnicity in Late-Nineteenth Century Toronto 5- Stories of People, Land, and Water: Using Spatial Technologies to Explore Regional Environmental History 6- Mapping Ottawa’s Urban Forest, 1928-2005 7- “I do not know the boundaries of this land, but I know the land which I worked”: Historical GIS and Mohawk Land Practices 8- Rebuilding a Neighbourhood of Montreal 9- Growth and Erosion: A Reflection on Salt Marsh Evolution in the St. Laurence Estuary using HGIS 10- Top-Down History: Deliniating Forests, Farms and the Census of Agricultural on Prince Edward Island Using Aerial Photography, ca. 1900-2000 11- The Irony of Discrimination: Mapping Historical Migration Using Chinese Head Tax Data 12- Mapping Fuel Use in Canada: Exploring the Social History of Canadian’s Great Fuel Transformation 13- Exploring Historical Geography Using Conesus Microdata: The Canadian Century Research Infrastructure (CCRI) Project Numéro de notice : 25936 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article En ligne : https://doi.org/10.1201/b13040 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96274

Un aperçu des problématiques d’actualité en foresterie urbaine : l’exemple des forêts urbaines nantaises / Jeanne Pourias in Revue forestière française, vol 61 n° 5 (septembre - octobre 2009)  

Public [article]  inRevue forestière française > vol 61 n° 5 (septembre - octobre 2009) . - p. 513-520 Titre : Un aperçu des problématiques d’actualité en foresterie urbaine : l’exemple des forêts urbaines nantaises Type de document : Article/Communication Auteurs : Jeanne Pourias, Auteur Année de publication : 2009 Article en page(s) : p. 513-520 Note générale : Bibliogr. Résumé en français et anglais. Langues : Français (fre) Descripteur : [Termes descripteurs IGN] biodiversité [Termes descripteurs IGN] forêt urbaine [Termes descripteurs IGN] Nantes [Termes IFN] changement climatique Résumé : (Editeur) "Le projet de mise en place de trois forêts urbaines autour de l’agglomération nantaise touche de nombreuses problématiques : la prise en compte de la biodiversité, tant au niveau de sa protection que de son utilisation, l’anticipation des changements climatiques et le rôle social des forêts sont autant de grands enjeux qu’il est nécessaire de comprendre et de placer au coeur des discussions. Du fait de leur complexité, ces enjeux doivent être étudiés à différentes échelles de temps et de lieu et en concertation avec tous les acteurs concernés par ce projet." Numéro de notice : IFN_5594 Thématique : BIODIVERSITE/FORET Nature : Article En ligne : http://hdl.handle.net/2042/31530 Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=73374 [article]

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La forêt sous influence urbaine en zone méditerranéenne / Nathalie Derrière ; Stéphanie Lucas in Forêt méditerranéenne, vol 27 n° 4 (décembre 2006)

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