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Tree species composition, growing space and management in Hong Kong’s commercial sky gardens
Get PDFSky gardens, a type of above-ground urban green space, have been increasingly welcomed and installed in cities. However, few studies have assessed tree planting, management and health in high-rise greenery. This study investigated tree species composition, planting space design and management, and their relationships with tree health in sky gardens in 15 commercial sky gardens with 480 trees in Hong Kong. We assessed the differences between old and new sites regarding tree species, height, crown diameter, and health. We also evaluated selected planting and management factors, including planter type, distance to neighbor trees, root-growth obstacles, canopy barriers, canopy overlap and topping history. Tree species selection in commercial sky gardens was substantially different from public and private residential green spaces. Older sky gardens had more palm trees by species and tree counts. Newer gardens had increased adoption of broadleaf and conifer species with high ornamental value and compact form but fewer native tree species and lower species diversity. The widely planted Ficus spp. had created long-term management issues. Trees were often densely planted, particularly in newer sky gardens. The common practice of topping indicates poor species selection and mismanagement. Planter types with insufficient growing space had dampened tree health. Our findings reveal the trend of tree species adoption, narrower planting spaces and wider adoption of the sunken planter. Improvements in species selection, growing space design and management practices could promote healthy, stable and safe trees in sky gardens with contributions to biodiversity and other ecosystem services
Exhibition - Dai Fujiwara: The Road of My Cyber Physical Hands
Get PDFThe Hong Kong Design Institute (HKDI) and Hong Kong Institute of Vocational Education (IVE) (Lee Wai Lee) present designer Dai Fujiwara\u27s first solo exhibition in Hong Kong. Titled Dai Fujiwara The Road of My Cyber Physical Hands , the exhibition brings visitors on a journey into the renowned Japanese designer\u27s decades-long creative career
Theme - The Peel-to-Cup Orange Juice Bar
Get PDFPutting together a fresh meal from scratch adds so much to its taste, and gives a warm satisfactory afterglow. In the future, can we also anticipate making the crockery and cutlery on demand to accompany these meals? Some designers in Italy certainly think so
Gastropedia 美食百科
Get PDFComing to a head
神機妙蒜
Pungent and powerful, garlic is much more than your everyday seasoning
味道強烈的蒜並不只是日常調味料那麼簡
The Nose Knows 香氣撲鼻
Get PDFWith scent being one of the most important factors in distinguishing different flavours in food and drinks, the world\u27s top chefs and bartenders have learnt how to use aroma to enhance, intensify and even have fun with their creations.
頂級名廚和調酒師深明氣味對分辨食物和飲品味道的重要性，因此紛紛利用香味來提升和加強菜式和飲品的吸引力，以至為自己的創作增添趣味
Study on proanthocyanidins crosslinked collagen membrane for guided bone tissue regeneration
No full textThe goal of this study is to understand the ability of a newly developed barrier membrane to enhance bone tissue regeneration. Here in this study we present the in vitro characterization of the barrier membrane made from type I collagen and crosslinked by oligomeric proanthocyanidins (OPCs). The effects of the membrane (P-C film) on cell cycle, proliferation, alkaline phosphatase activity, and mineralization were evaluated using the human osteoblast cell line MG-63, while the barrier ability was examined using MG-63 cells, as well as the human skin fibroblast cell line WS-1. The pore size is one of the factors that plays a key role in tissue regeneration, therefore, we evaluated the pore size of the membrane using a capillary flow porometer. Our results showed that the mean pore size of the P-C film was approximately 7–9 μm, the size known to inhibit cell migration across the membrane. The P-C film also demonstrated excellent cell viability and good biocompatibility, since the cell number increased with time, with MG-63 cells proliferating faster on the P-C film than in the cell culture flask. Furthermore, the P-C film promoted osteoblast differentiation, resulting in higher alkaline phosphatase activity and mineralization. Therefore, our results suggest that this P-C film has a great potential to be used in guided bone regeneration during periodontal regeneration and bone tissue engineering
