Efficiency of Ground Cover Types under Samanea saman on Reducing Outdoor Thermal Environment in Urban Parks of Bangkok, Thailand

Utarasakul, Tatsanawalai

doi:10.1016/j.proenv.2017.03.022

Cited by 3 publications

(2 citation statements)

References 6 publications

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“…The presence of the Samanea saman in the urban forest of Banda Aceh is an effort made by the city government to plant the tree. Furthermore, Turner (2010) says that ecologists are increasingly aware of the widespread impact of human activities on the diversity, structure, and function of vegetative communities, and their role as providers of ecosystem services (Utarasakul 2017). In Bangkok, Samanea saman is one of the flagship species selected by policymakers and governments to be planted in many city parks for various reasons.…”

Section: Resultsmentioning

confidence: 99%

Vegetation analysis of 10 urban forests in the city of Banda Aceh, Indonesia

Dharma

ZAKARIA

2022

Biodiversitas

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Abstract. Dharma W, Zakaria R. 2022. Vegetation analysis of 10 urban forests in the city of Banda Aceh, Indonesia. Biodiversitas 23: 4131-4137. The vegetation of urban forests is strongly influenced by the composition of trees planted in the forest area. In order to maintain its sustainability, complete vegetation data is needed as a basis for good urban forest management. The purpose of this study was to identify the species diversity of trees in 10 urban forests in the city of Banda Aceh. The study was conducted using the Cruising method with the count of all vegetation species found in urban forests in the city of Banda Aceh. Data analysis was done by the vegetation analysis method through the calculation of diversity index (H'), Relative Frequency (RF), Relative Density (RD), Relative Dominance (RB), and Importance Value Index (IVI). The results showed that the tree component of the area was composed of 50 tree species representing 2218 individuals. The highest IVI value was found in Samanea saman with an IVI value of 67.95, and the lowest was in Tamarindus indica species with an IVI value of 8.16. The diversity index in the observed urban forests was low, with the highest index in Tibang forest at only 0.37. In order to increase plant diversity in urban forests in the city of Banda Aceh, plant species enrichment is needed. It is expected to increase ecological functions in the surrounding environments.

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Section: Resultsmentioning

confidence: 99%

Vegetation analysis of 10 urban forests in the city of Banda Aceh, Indonesia

Dharma

ZAKARIA

2022

Biodiversitas

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“…To our knowledge, only a limited number of studies have been done in the Asian tropical monsoon climates focusing on plant species tolerant to air pollution as well as providing ambient cooling. Only one study related to APTI in the northern part of Thailand has been reported till date [30], while the cooling effects at the individual species level have been evaluated only for a limited number of species (with A. saman) in an urban park setting in Bangkok, Thailand [31].…”

Section: Introductionmentioning

confidence: 99%

Assessing the Cooling and Air Pollution Tolerance among Urban Tree Species in a Tropical Climate

Yarnvudhi

Leksungnoen

Andriyas

et al. 2022

Plants

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We present the results of classifying plants at species level that can tolerate air pollution, provide cooling, and simultaneously survive and thrive in urban environments. For this purpose, we estimated the air pollution tolerance index (APTI) and anticipated performance index (API) of several species growing in a park located in central Bangkok, Thailand. The cooling effect was quantified by calculating the reduction in soil and air temperatures. Melaleuca quinquenervia (Cav.) S.T. Blake, Albizia saman (Jacq.) Merr., Chukrasia tabularis A. Juss. had the highest API score and were able to substantially reduce the temperature and were in a group of highly recommended species which also included other species like A. saman, C. tabularis, Tabebuia rosea (Bertol.) Bertero ex A. DC., Dalbergia cochinchinensis Pierre etc. Species from both evergreen and deciduous habitat were able to provide ambient cooling but were vulnerable to air pollution and included Elaeocarpus grandifloras Sm. and Bauhinia purpurea L. However, there were other species which had a high air pollution tolerance but failed to provide adequate cooling, such as Hopea odorata Roxb. and Millingtonia hortensis L.f. The results would be of interest to urban greenspace landscapers in such climates while selecting suitable species that can provide multiple ecosystem services ranging from air pollution tolerance to temperature reduction without reducing plant vitality.

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Analysis of vegetation diversity at urban forest Balai Wilayah Sungai (BWS) II Medan

Arinah

Sutiawan

2021

IOP Conf. Ser.: Earth Environ. Sci.

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The urban forest is part of the public green open space (RTH) formed from tree vegetation that affects temperature and humidity and reduces wind speed to provide comfort for residents in the vicinity. One of the urban forests in Medan is the Balai Wilayah Sungai (BWS) II Medan. Therefore, vegetation density has an influence on temperature and which affects the quality of urban forests. This study aimed to identify the structure and composition of the BWS II Medan urban forest vegetation. The vegetation analysis method used in this study is a combination method between the path method and the plotline method. The vegetation data that has been obtained is then processed to obtain the Important Value Index (IVI) and the Plant Species Diversity Index (H’). The results showed that the woody plants found in the urban forest of BWS II Medan were 20 species with the composition of seedlings of four species (26 individuals), saplings of twelve species (49 individuals), poles of eleven species (39 individuals) and trees of ten species (141 individuals). The species that dominates at the tree level is Trembesi (Samanea saman), with an IVI value of 118.16%. Meanwhile, the dominant plant species at the seedling, sapling, and pole levels were Mahoni (Swietenia mahagoni), with IVI values of 78.67%, 55.73%, and 103.62, respectively. Therefore, the level of diversity in the BWS II Medan Urban Forest for saplings is classified as moderate, while seedlings, poles, and trees are classified as low.

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Efficiency of Ground Cover Types under Samanea saman on Reducing Outdoor Thermal Environment in Urban Parks of Bangkok, Thailand

Cited by 3 publications

References 6 publications

Vegetation analysis of 10 urban forests in the city of Banda Aceh, Indonesia

Vegetation analysis of 10 urban forests in the city of Banda Aceh, Indonesia

Assessing the Cooling and Air Pollution Tolerance among Urban Tree Species in a Tropical Climate

Analysis of vegetation diversity at urban forest Balai Wilayah Sungai (BWS) II Medan

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