Selection of Water-Saving Plants and Annual Water Consumption Estimation for Garden Green Spaces in Beijing

Currently, the number of urban garden green spaces (GGSs) being constructed in Beijing is increasing, and their high water resource demands contradict the severe water shortage situation in Beijing that is restricting urban construction and economic development. This has created an urgent need to bu...

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Autores principales:	Qun Yin, Xiaodeng Shi, Shuangjiang Xiong, Yi Qu, Yang Zhou, Jinglan Liu, Zhongkui Jia, Luyi Ma
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	water consumption herb shrub tree urban water-savings Plant ecology QK900-989
Acceso en línea:	https://doaj.org/article/45167d9012014cbd80739c44349bd3fe
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spelling	oai:doaj.org-article:45167d9012014cbd80739c44349bd3fe2021-11-25T17:38:56ZSelection of Water-Saving Plants and Annual Water Consumption Estimation for Garden Green Spaces in Beijing10.3390/f121115721999-4907https://doaj.org/article/45167d9012014cbd80739c44349bd3fe2021-11-01T00:00:00Zhttps://www.mdpi.com/1999-4907/12/11/1572https://doaj.org/toc/1999-4907Currently, the number of urban garden green spaces (GGSs) being constructed in Beijing is increasing, and their high water resource demands contradict the severe water shortage situation in Beijing that is restricting urban construction and economic development. This has created an urgent need to build water-saving GGSs. This study analyzed and compared the daily/annual water consumption of 79 common plants in Beijing, and low-water-consumption (LWC) trees, shrubs and herbs were selected; additionally, the total annual water consumption (TAWC) of all plants in the built-up areas of all 16 districts in Beijing was calculated according to the result of the eighth general survey of landscaping resources in Beijing. The results are as follows: (1) fifteen LWC tree species were selected from among 25 species, and the average daily water consumption (DWC) was <1.09 kg·m<sup>−2</sup>; (2) nineteen LWC shrubs were selected from among 35 shrubs, and the average DWC was <1.17 kg·m<sup>−2</sup>; (3) eleven LWC herbs were selected from among 19 herbs, and the AWC was <460.3 kg·m<sup>−2</sup>; (4) the TAWC of all trees, shrubs and herb plants in the Beijing GGSs was 1.104 × 10<sup>9</sup>, 0.139 × 10<sup>9</sup>, and 0.16 × 10<sup>9</sup> m<sup>3</sup>, respectively. Based on the above results, it was estimated that the TAWC of all plants in the built-up areas of all 16 districts in Beijing is approximately 1.403 × 10<sup>9</sup> m<sup>3</sup>. These findings provide a better understanding of the water consumption of GGS plants in cities in semiarid and semihumid climates and can be used to help select LWC greening plants that can reduce water consumption when expanding green areas in cities.Qun YinXiaodeng ShiShuangjiang XiongYi QuYang ZhouJinglan LiuZhongkui JiaLuyi MaMDPI AGarticlewater consumptionherbshrubtreeurbanwater-savingsPlant ecologyQK900-989ENForests, Vol 12, Iss 1572, p 1572 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	water consumption herb shrub tree urban water-savings Plant ecology QK900-989
spellingShingle	water consumption herb shrub tree urban water-savings Plant ecology QK900-989 Qun Yin Xiaodeng Shi Shuangjiang Xiong Yi Qu Yang Zhou Jinglan Liu Zhongkui Jia Luyi Ma Selection of Water-Saving Plants and Annual Water Consumption Estimation for Garden Green Spaces in Beijing
description	Currently, the number of urban garden green spaces (GGSs) being constructed in Beijing is increasing, and their high water resource demands contradict the severe water shortage situation in Beijing that is restricting urban construction and economic development. This has created an urgent need to build water-saving GGSs. This study analyzed and compared the daily/annual water consumption of 79 common plants in Beijing, and low-water-consumption (LWC) trees, shrubs and herbs were selected; additionally, the total annual water consumption (TAWC) of all plants in the built-up areas of all 16 districts in Beijing was calculated according to the result of the eighth general survey of landscaping resources in Beijing. The results are as follows: (1) fifteen LWC tree species were selected from among 25 species, and the average daily water consumption (DWC) was <1.09 kg·m<sup>−2</sup>; (2) nineteen LWC shrubs were selected from among 35 shrubs, and the average DWC was <1.17 kg·m<sup>−2</sup>; (3) eleven LWC herbs were selected from among 19 herbs, and the AWC was <460.3 kg·m<sup>−2</sup>; (4) the TAWC of all trees, shrubs and herb plants in the Beijing GGSs was 1.104 × 10<sup>9</sup>, 0.139 × 10<sup>9</sup>, and 0.16 × 10<sup>9</sup> m<sup>3</sup>, respectively. Based on the above results, it was estimated that the TAWC of all plants in the built-up areas of all 16 districts in Beijing is approximately 1.403 × 10<sup>9</sup> m<sup>3</sup>. These findings provide a better understanding of the water consumption of GGS plants in cities in semiarid and semihumid climates and can be used to help select LWC greening plants that can reduce water consumption when expanding green areas in cities.
format	article
author	Qun Yin Xiaodeng Shi Shuangjiang Xiong Yi Qu Yang Zhou Jinglan Liu Zhongkui Jia Luyi Ma
author_facet	Qun Yin Xiaodeng Shi Shuangjiang Xiong Yi Qu Yang Zhou Jinglan Liu Zhongkui Jia Luyi Ma
author_sort	Qun Yin
title	Selection of Water-Saving Plants and Annual Water Consumption Estimation for Garden Green Spaces in Beijing
title_short	Selection of Water-Saving Plants and Annual Water Consumption Estimation for Garden Green Spaces in Beijing
title_full	Selection of Water-Saving Plants and Annual Water Consumption Estimation for Garden Green Spaces in Beijing
title_fullStr	Selection of Water-Saving Plants and Annual Water Consumption Estimation for Garden Green Spaces in Beijing
title_full_unstemmed	Selection of Water-Saving Plants and Annual Water Consumption Estimation for Garden Green Spaces in Beijing
title_sort	selection of water-saving plants and annual water consumption estimation for garden green spaces in beijing
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/45167d9012014cbd80739c44349bd3fe
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Selection of Water-Saving Plants and Annual Water Consumption Estimation for Garden Green Spaces in Beijing

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