OOIR: Observatory of International Research

Papers

(The H4-Index of Urban Forestry & Urban Greening is 50. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-05-01 to 2025-05-01.)

Article	Citations
Vegetation complexity and greenspace diversity in urban schools	324
Machine learning-based prediction of tree crown development in competitive urban environments	116
More than green: Tree structure and biodiversity patterns differ across canopy change regimes in Baltimore’s urban forest	108
Non-native plants and illegitimate interactions are highly relevant for supporting hummingbird pollinators in the urban environment	99
The role of greenspace deprivation in children’s decision-making	97
UAV leaf-on, leaf-off and ALS-aided tree height: A case study on the trees in the vicinity of roads	91
Demographic, social, and environmental factors predicting Danish children’s greenspace use	91
Rediscovering circularity in productive urban landscapes	90
Renaturing cities: from utopias to contested realities and futures	88
Spatial pattern of urban forest diversity and its potential drivers in a snow climate city, Northeast China	86
The advantage of mobile technologies in crowdsourcing landscape preferences: Testing a mobile app to inform planning decisions	75
Does intensive cutting regime maintain lowland dry heathlands habitat? The case study of Milano Malpensa airport (Northern Italy)	74
The role of urban parks in affecting health outcomes and the differences between vulnerable groups: Evidence from the central city of Beijing	74
Characteristics and influencing factors of taxonomic and functional diversity of butterflies in urban green spaces	70
Assessing tree canopy cooling efficiency in different local climate zones: A cost-benefit analysis	68
The influence of greening management and landscape patterns on plant diversity in urban green spaces in Danzhou, China	68
City walk or nature walk? Evidence-based psychological and physiological outcomes – A systematic review and meta-analysis	67
Eight recommendations to improve the reporting of qualitative social research in urban nature studies	67
Editorial Board	66
Identifying causal changes in landscape greenness with very high-resolution airborne multispectral imagery and a panel data model	66
Editorial Board	66
Suitability of a single imager multispectral sensor for tree health analysis	65
Book Review	63
Urban greenery distribution and its link to social vulnerability	62
Soil water stress at young urban street-tree sites in response to meteorology and site parameters	61

Dependence of urban park visits on thermal environment and air quality	61
Diversity and structure in California’s urban forest: What over six million data points tell us about one of the world's largest urban forests	59
Climate change threatens carbon storage in Europe’s urban trees	59
Phenological advance of blossoming over the past century in one of the world’s largest urban forests, Gauteng City-Region, South Africa	58
A three-layer evapotranspiration model considering the vertical structure of urban green spaces	58
New morphological features for urban tree species identification using LiDAR point clouds	57
Sniff the urban park: Unveiling odor features and landscape effect on smellscape in Guangzhou, China	57
Parks Please! Implementing the 3–30-300 green space rule in developing countries − The case of Surakarta, Indonesia	56
The relationship between urban green space and social health of individuals: A scoping review	56
Assessing ecological interactions in urban areas using citizen science data: Insights from hummingbird–plant meta-networks in a tropical megacity	55
Climate change-induced heat reduces urban green space use: Insights from mobile phone location big data	55
Greening streets, gaining insights: Unpacking resident perceptions of urban greening	55
Coarse-to-fine segmentation of individual street trees from side-view point clouds	55
Estimating aboveground biomass of tropical urban forests with UAV-borne hyperspectral and LiDAR data	55
Bridging the land use gap: Examining tree canopy cover and connectivity by land use in 10 U.S. cities	55
Spatio-temporal monitoring of urban street-side vegetation greenery using Baidu Street View images	55
Verifying an ENVI-met simulation of the thermal environment of Yanzhong Square Park in Shanghai	54
Urban green space preferences for various health-related psychological benefits of adolescent pupils, university students and adults	53
Structure of an urban green space indirectly affects the distribution of airborne particulate matter: A study based on structural equation modelling	53
Review on the multi-scale interactions of urban forests and atmospheric particles: Affecting factors are scale-dependent among tree, stand and region	52
A systematic review of the relationship between urban forest quality and socioeconomic status or race	51
Editorial Board	50
Editorial Board	50
The pathways linking green spaces to reduced climate change anxiety	50
Choosing the right nature-based solutions to meet diverse urban challenges	50
Impact of blue spaces on the urban microclimate in different climate zones, daytimes and seasons – A systematic review	50