Results 31 to 40 of about 511,073 (303)

Urban-Tree-Attribute Update Using Multisource Single-Tree Inventory

Forests, 2014
The requirements for up-to-date tree data in city parks and forests are increasing, and an important question is how to keep the digital databases current for various applications. Traditional map-updating procedures, such as visual interpretation of digital aerial images or field measurements using tachymeters, are either inaccurate or expensive ...
Hyyppä Hannu, Hyyppä Juha, Hyyppä Hannu, Holopainen Markus, Vastaranta Mikko, Saarinen Ninni, Tanhuanpaa Topi, Kankare Ville   +7 more
openaire   +3 more sources

Urban tree risk assessment

Agrociencia Uruguay, 2021
Urban trees provide ecosystem services of great importance to the city. To take advantage of these services, it is important that the trees are in good condition, minimizing the risk to people, goods, and essential activities due to the fall of branches or entire trees.
Ana Paula Duarte Coelho, Hernán Mauricio Ponce, Gustavo Daniluk   +2 more
openaire   +1 more source

Identification of the Volatile Compounds and Observation of the Glandular Trichomes in Opisthopappus taihangensis and Four Species of Chrysanthemum

Plants, 2020
Opisthopappus taihangensis (Ling) Shih, a wild relative germplasm of chrysanthemum, releases a completely different fragrance from chrysanthemum species. We aimed to identify the volatile compounds of the leaves of O.
Yanhong Guo, Tengxun Zhang, Jian Zhong, Tingting Ba, Ting Xu, Qixiang Zhang, Ming Sun   +6 more
doaj   +1 more source

Impact of early heat anomalies on urban tree cooling efficiency: Evidence from spring heatwave events in India

International Journal of Applied Earth Observations and Geoinformation, 2023
India’s heat waves have recently led to huge losses to the natural ecosystem and human society, and are projected to occur earlier and more frequently in the future.
Hong Wei, Bin Chen, Shengbiao Wu, Bing Xu   +3 more
doaj   +1 more source

Characteristics of BVOCs from Fragrant Flowering Trees and Their Emission Along Urban Roadsides in Shanghai, China

Atmosphere
Flowering street trees provide ecological services and health benefits to humans. In this study, three commonly used flowering street trees, Paulownia tomentosa (Thunb.) Steud., Melia azedarach L., and Magnolia grandiflora L., were selected for analysis ...
Xi Wang, Yin Wu, Yanting Zhang, Ruiqing Yang, Mengwei Fang, Benyao Wang, Yali Zhang, Meixian Wang   +7 more
doaj   +1 more source

Transpiration rates of red maple (Acer rubrum L.) differ between management contexts in urban forests of Maryland, USA

Scientific Reports, 2021
The hydrological functioning of urban trees can reduce stormwater runoff, mitigate the risk of flood, and improve water quality in developed areas. Tree canopies intercept rainfall and return water to the atmosphere through transpiration, while roots ...
Sarah Ponte, Nancy F. Sonti, Tuana H. Phillips, Mitchell A. Pavao-Zuckerman   +3 more
doaj   +1 more source

A Proximity-Based Approach for the Identification of Fallen Species of Street Trees during Strong Wind Events in Lisbon

Land
The benefits of urban trees are very well known, but they can fall and cause damage, putting people’s lives at risk. There are few studies on the vulnerability of species to falling.
Flávio Henrique Mendes, Felipe Coelho de Souza Petean, Ezequiel Luís Tavares Correia, António Manuel Saraiva Lopes   +3 more
doaj   +1 more source

Aplikasi Metode Forest Health Monitoring dalam Penilaian Kerusakan Pohon di Hutan Kota Metro (Application of Forest Health Monitoring Method in Assessing Tree Damage in Metro Urban Forests)

Jurnal Sylva Lestari, 2019
The assessment of tree condition is very important to ensure visitor safety and to maintain the sustainability of Metro Urban Forest. However, data and information on the condition of trees in six locations of Metro Urban Forest are not yet available ...
Bondan Abimanyu, Rahmat Safe’i, Wahyu Hidayat   +2 more
doaj   +1 more source

Influence of evaporative cooling by urban forests on cooling demand in cities [PDF]

, 2019
Trees provide important ecosystem services to urban human society. Their absence can lead to more pronounced environmental and social consequences, for example the urban heat island effect.
Doick, Kieron J., Moss, J. L., Shahrestani, Mehdi, Smith, Stefan   +3 more
core   +1 more source

Flowering Characteristics and Expression Patterns of Key Genes in Response to Photoperiod in Different Chrysanthemum Varieties

Horticulturae
Chrysanthemum × morifolium Ramat. is a globally renowned ornamental flower. It includes numerous varieties, most of which are typical short-day (SD) plants, and the flowering characteristics of different chrysanthemum varieties in response to the ...
Qiuling Zhang, Xueru Li, Shuyu Cai, Junzhuo Li, Jiaying Wang, Yanfei Li, Silan Dai   +6 more
doaj   +1 more source