探索南非医疗诊所花园生态系统服务的价值

IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Urban Ecosystems Pub Date : 2024-02-28 DOI:10.1007/s11252-024-01529-x
N. Gwedla, M. Muller, S. S. Cilliers, C. Niesing, P. Bester, M.J. Du Toit
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引用次数: 0

摘要

生态系统服务 (ES) 估值对于推进生物多样性目标和投资建立绿色基础设施 (GI) 非常重要。人们对健康诊所花园 (HCG) 提供生态系统服务的潜力及其潜在价值知之甚少。本研究旨在确定南非两个地区城市中 32 个健康诊所花园的植物和鸟类物种组成及其提供的环境服务的潜在价值。HCG 面积从 513.0 平方米到 13531.0 平方米不等,每个 HCG 至少有一个微型花园。在所有 HCG 中观察到的 312 种植物中,60% 是外来物种。与中型(32 ± 3.7)和大型(49 ± 5.2)相比,小型 HCG 每个花园有 31 ± 3.6 种不同的植物物种。所观察到的物种的供养环境因子非常突出,其中 17.4 ± 1.16 个物种可用于一般福利,13.66 ± 1.08 个物种可作为潜在的食用植物,11.91 ± 0.93 个物种可作为潜在的原材料。据估计,HCG 中树木的固碳量高达 163481.87 千克,树木覆盖面积高达 9620.80 平方米。约 1390.70 ± 427.50 平方米的 HCG 空间有可能为植物和鸟类提供栖息地,在所有 HCG 中观察到 11 种鸟类。在 18 个 HCG 中发现的 63 个鸟巢据信属于家雀。HCG 与家庭花园等其他类型的花园相似,其丰富的植物生物多样性使其成为理想的生态系统,即使是最弱势的社会成员也能从中受益。它们为全球南部的农村、城市和城市周边地区的贫困人口提供了一个合适的平台,在夏季种植和利用植物物种作为初级保健和食品安全问题的补充,从而提升知识水平。
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Exploring the value of ecosystem services at health clinic gardens in a South African context

Ecosystem services (ESs) valuation is important for advancing biodiversity objectives and investing in green infrastructure (GI) establishment. Little is known about the potential of health clinic gardens (HCGs) to provide ESs and their potential values. This study sought to determine the plant and bird species composition and potential value of ESs provided by 32 HCGs in two South African district municipalities. HCG sizes range from 513.0m2 to 13531.0m2 and each had at least one micro-garden. Among the 312 plant species observed across all HCGs, 60% were exotic. The small HCGs had 31 ± 3.6 different plant species per garden, compared to the medium-sized (32 ± 3.7) and large ones (49 ± 5.2). Provisioning ESs from the observed species were prominent with 17.4 ± 1.16 species potentially used for general well-being, 13.66 ± 1.08 as potential food plants, and 11.91 ± 0.93 potentially raw materials. Trees in HCGs were estimated to sequester up to 163481.87 kg of carbon from trees covering an area of up to 9620.80m2. Approximately 1390.70 ± 427.50m2 of HCG space had the potential to provide a habitat for plants and birds, and 11 bird species were observed across all HCGs. Sixty-three bird nests encountered in 18 HCGs are believed to belong to the Passer domesticus. HCGs resemble other types of gardens like home and domestic gardens, and their rich plant biodiversity positions them as ideal ecosystems to benefit even the most vulnerable members of society. They provide an opportune platform for knowledge upscaling in the cultivation and use of plant species as a supplement of primary healthcare and food security issues in the summer months to the rural, urban, and peri-urban poor in the Global South.

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来源期刊
Urban Ecosystems
Urban Ecosystems BIODIVERSITY CONSERVATION-ECOLOGY
CiteScore
5.70
自引率
6.90%
发文量
113
期刊介绍: Urban Ecosystems is an international journal devoted to scientific investigations of urban environments and the relationships between socioeconomic and ecological structures and processes in urban environments. The scope of the journal is broad, including interactions between urban ecosystems and associated suburban and rural environments. Contributions may span a range of specific subject areas as they may apply to urban environments: biodiversity, biogeochemistry, conservation biology, wildlife and fisheries management, ecosystem ecology, ecosystem services, environmental chemistry, hydrology, landscape architecture, meteorology and climate, policy, population biology, social and human ecology, soil science, and urban planning.
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