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Articles 1 - 10 of 10
Full-Text Articles in Landscape Architecture
Tree Density And Diversity In Hong Kong’S Public Housing Estates: Fromprovision Injustice To Socio-Ecological Inclusiveness., Louis Shing Him Lee, C.Y. Jim, Allen Hao Zhang
Tree Density And Diversity In Hong Kong’S Public Housing Estates: Fromprovision Injustice To Socio-Ecological Inclusiveness., Louis Shing Him Lee, C.Y. Jim, Allen Hao Zhang
Faculty of Design & Environment (THEi)
Socio-economically underprivileged urban communities might suffer from restricted access to urban forests. Environmental injustice research on urban greenery in Asian cities is lacking. Public housing estates in Hong Kong, accommodating low-income households and over half of the 7.45 million population, were investigated for injustice in tree provision. Two clustering schemes used socio-economic and ecological characteristics to classify 93 estates. Factor analysis of 14 socio-economic variables identified four factors related to deprivation, namely ageing population, overcrowding, working poor with high academic qualifications, and marginalised language minorities. Principal component analysis of six ecological indices returned two components related to tree density and …
Tree Distribution, Morphology And Modelled Air Pollution In Urban Parks, Yang Xing, Peter Brimblecombe, Sifeng Wang, Allen Hao Zhang
Tree Distribution, Morphology And Modelled Air Pollution In Urban Parks, Yang Xing, Peter Brimblecombe, Sifeng Wang, Allen Hao Zhang
Faculty of Design & Environment (THEi)
Trees offer a range of ecosystem services and remain important in providing human benefits. However, emerging literature questions the long-accepted view of trees being able to improve air quality in urban parks. The aerodynamic effect of trees was identified as a major reason for the change of pollutant distribution in near-road parks, where trees can act as porous barriers and cause localised concentration increase. Although not yet fully developed, planting strategies aiming to mitigate the negative effect of vegetation on air quality should be encouraged in future park design. In this study, we explored the effect of tree planting design …
Tokyo 20/20
SIGNED: The Magazine of The Hong Kong Design Institute
With the Olympic and Paralympic Games heading to Tokyo in 2020, the city is going through a flurry of urban development and design change. And the revitalisation of public space is at the heart of the project
Open Spaces, Open Hearts
SIGNED: The Magazine of The Hong Kong Design Institute
Public space in the city provides exercise and discovery, a chance to commune with nature and neighbours. Landscape architects are addressing human needs in their designs, lifting citizens' spirits with their clever eye for sustainability, smart technology and authenticity
Neighborhood Variation Of Sustainable Urban Morphologicalcharacteristics, P. C. Lai, Sissi Si Chen, C. T. Low, Ester Cerin, Robert Stimson, Py Paulina Wong
Neighborhood Variation Of Sustainable Urban Morphologicalcharacteristics, P. C. Lai, Sissi Si Chen, C. T. Low, Ester Cerin, Robert Stimson, Py Paulina Wong
Faculty of Design & Environment (THEi)
Compact cities and their urban forms have implications on sustainable city development because of high density urban settlement, increased accessibility, and a balanced land use mix. This paper uses quantitative means of understanding urban morphological characteristics with reference to the differing qualities of the urban form (i.e., street patterns, building volumes, land uses and greenery). The results, based on 89 neighborhood communities of Hong Kong, show varying degrees of regional differences in the urban built form supported by numerical statistics and graphical illustrations. This paper offers empirical evidence on some morphological characteristics that can be estimated objectively using modern geospatial …
Occurrence Of Antibiotics And Antibiotic Resistance Genes In Soils Fromwastewater Irrigation Areas In The Pearl River Delta Region, Southernchina, Livia Min Pan, L.M. Chu
Occurrence Of Antibiotics And Antibiotic Resistance Genes In Soils Fromwastewater Irrigation Areas In The Pearl River Delta Region, Southernchina, Livia Min Pan, L.M. Chu
Faculty of Design & Environment (THEi)
The occurrence and distribution of tetracycline (TC) and sulfamethazine (SMZ), and the corresponding antibiotic resistance genes (ARGs) were investigated in six agricultural sites in the Pearl River Delta (PRD) region in southern China. Irrigation water and irrigated soils at two different depths (0-10 and 10-20cm) were analyzed. The total concentrations of TC and SMZ in irrigation water ranged from 69.3 to 234ng/L and from 4.00 to 58.2ng/L, respectively, while the total concentrations of TC and SMZ in irrigated soils ranged from 5.00 to 21.9μg/kg and from 1.30 to 4.20μg/kg, respectively. After long-term irrigation with domestic and fishpond wastewater in the …
Exploring Policy Options To Combat Illegal Micro-Apartments In Hong Kong, Yung Yau, Daniel Chi Wing Ho
Exploring Policy Options To Combat Illegal Micro-Apartments In Hong Kong, Yung Yau, Daniel Chi Wing Ho
Faculty of Design & Environment (THEi)
Illegal building can take multiple forms, including squatter settlements and illegal building extensions. Among the various forms of illegal building, illegal microapartments (IMAs), which take the form of unauthorised subdivided housing units, have recently aroused wide public concern in Hong Kong. On account of their unlawful nature, IMAs pose serious threats to the safety of local communities by undermining structural stability and fire safety in buildings. They may also adversely affect natural lighting and ventilation for building occupants. Fatal fires in buildings with IMAs in recent years have demonstrated the painful consequence of ignoring this issue in the city. Nonetheless, …
Transfer Of Antibiotics From Wastewater Or Animal Manure To Soil Andedible Crops., Livia Min Pan, L.M. Chu
Transfer Of Antibiotics From Wastewater Or Animal Manure To Soil Andedible Crops., Livia Min Pan, L.M. Chu
Faculty of Design & Environment (THEi)
Antibiotics are added to agricultural fields worldwide through wastewater irrigation or manure application, resulting in antibiotic contamination and elevated environmental risks to terrestrial environments and humans. Most studies focused on antibiotic detection in different matrices or were conducted in a hydroponic environment. Little is known about the transfer of antibiotics from antibiotic-contaminated irrigation wastewater and animal manure to agricultural soil and edible crops. In this study, we evaluated the transfer of five different antibiotics (tetracycline, sulfamethazine, norfloxacin, erythromycin, and chloramphenicol) to different crops under two levels of antibiotic-contaminated wastewater irrigation and animal manure fertilization. The final distribution of tetracycline (TC), …
Urban Lift
SIGNED: The Magazine of The Hong Kong Design Institute
This summer, after eight months of development, three installations by young landscape architects from HKDI will be unveiled at the prestigious Tamar site on Hong Kong's harbour front. Daisy Zhong reports on a project that seeks to create an engaging destination for city residents.
Prediction Of The Root Anchorage Of Native Young Plants Using Bayesian Inference, Ryan Wai Man Yan, Lin Zhang, Flora T. Y. Leung, Ka-Veng Yuen
Prediction Of The Root Anchorage Of Native Young Plants Using Bayesian Inference, Ryan Wai Man Yan, Lin Zhang, Flora T. Y. Leung, Ka-Veng Yuen
Faculty of Design & Environment (THEi)
The maximum vertical uproot resistance (Pmax) of a plant can be used to indicate its stability. Attempts were made to predict the Pmax of a plant empirically from some of its size parameters. In practice, an infinite number of empirical models with different complexities can be formulated. This study presents a Bayesian model class selection method to evaluate the plausibility of each empirical model among a list of model candidates. The models were ranked to identify the most plausible one. A database of vertical uproot resistance of four shrubs and trees native to Hong Kong was first compiled by performing …