From Geodiversity to Geofunctionality: Quantifying Geodiversity-Based Ecosystem Services for Landscape Planning in French Guiana

IF 2.3 2区 地球科学 Q2 GEOSCIENCES, MULTIDISCIPLINARY
Ottone Scammacca, François Bétard, David Montagne, Lucas Rivera, Célia Biancat, Geoffrey Aertgeerts, Arnauld Heuret
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Abstract

Geodiversity assessment gained a prominent interest in the geoscientific community and beyond. However, it is not always sufficient for land planning or geoconservation. It is then pivotal to account for the contribution of functional geodiversity (i.e., geofunctionality), for instance declining the ecosystem services (ES) cascade model. However, by our knowledge, geodiversity-based ES (GES) have been rarely quantified. This paper aims to adapt existing ES-related approaches to quantify and map GES in French Guiana, a French Overseas territory located in the Amazon, where ongoing land use changes might affect ES supply. Seven GES were spatially assessed through an indicator-based approach accounting for both offered and used GES and merged into multiservice maps. Multiservice maps were then combined with a hemeroby index to highlight geofunctionality hotspots. Difference maps were finally used to compare geodiversity and geofunctionality patterns. The ES framework seems an effective way to quantitatively assess geofunctionality. Geodiversity and geofunctionality do not follow the same spatial patterns: very geodiverse areas can be poorly functional and vice-versa. Therefore, geodiversity and geofunctionality need to be both considered when it comes to landscape planning. This might be enhanced through hotspot mapping to highlight priority areas for planners. This study also focuses on the role of human inputs in GES supply and raises questions about the selection of proper indicators that should fit each step from the ES supply to management. High-quality datasets must be available and their occasional absence is a central matter of land planning that must be addressed before every decision-making process.

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从地质多样性到地质功能性:量化基于地质多样性的生态系统服务,促进法属圭亚那的景观规划
地质多样性评估在地质科学界内外引起了广泛关注。然而,对于土地规划或地质保护来说,这并不总是足够的。因此,考虑功能性地质多样性(即地质功能性)的贡献至关重要,例如,生态系统服务(ES)级联模型的下降。然而,据我们所知,基于地质多样性的生态系统服务(GES)很少被量化。本文旨在对现有的生态系统服务相关方法进行调整,以量化和绘制法属圭亚那的生态系统服务地图,法属圭亚那是位于亚马逊地区的法属海外领地,该地区土地利用的持续变化可能会影响生态系统服务的供应。本文采用基于指标的方法对七种全球生态系统服务进行了空间评估,同时考虑到提供和使用的全球生态系统服务,并将其合并到多服务地图中。然后将多服务地图与hemeroby指数相结合,以突出地理功能热点。最后使用差异地图来比较地理多样性和地理功能模式。ES 框架似乎是定量评估地质功能的有效方法。地质多样性和地质功能并不遵循相同的空间模式:地质多样性非常丰富的地区可能功能较差,反之亦然。因此,在进行景观规划时,需要同时考虑地质多样性和地质功能性。这可以通过绘制热点地图来加强,以突出规划者的优先区域。本研究还关注了人类投入在全球环境服务供应中的作用,并提出了如何选择适当指标的问题,这些指标应适合从环境服务供应到管理的每一个步骤。必须提供高质量的数据集,而数据集的偶尔缺失是土地规划的核心问题,必须在每个决策过程之前加以解决。
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来源期刊
Geoheritage
Geoheritage GEOSCIENCES, MULTIDISCIPLINARY-
CiteScore
5.10
自引率
34.50%
发文量
107
期刊介绍: The Geoheritage journal is an international journal dedicated to discussing all aspects of our global geoheritage, both in situ and portable. The journal will invite all contributions on the conservation of sites and materials - use, protection and practical heritage management - as well as its interpretation through education, training and tourism. The journal wishes to cover all aspects of geoheritage and its protection. Key topics are: - Identification, characterisation, quantification and management of geoheritage; - Geodiversity and geosites; - On-site science, geological and geomorphological research: - Global scientific heritage - key scientific geosites, GSSPs, stratotype conservation and management; - Scientific research and education, and the promotion of the geosciences thereby; - Conventions, statute and legal instruments, national and international; - Integration of biodiversity and geodiversity in nature conservation and land-use policies; - Geological heritage and Environmental Impact Assessment studies; - Geological heritage, sustainable development, community action, practical initiatives and tourism; - Geoparks: creation, management and outputs; - Conservation in the natural world, Man-made and natural impacts, climate change; - Geotourism definitions, methodologies, and case studies; - International mechanisms for conservation and popularisation - World Heritage Sites, National Parks etc.; - Materials, data and people important in the history of science, museums, collections and all portable geoheritage; - Education and training of geoheritage specialists; - Pedagogical use of geological heritage - publications, teaching media, trails, centres, on-site museums; - Linking the United Nations Decade of Education for Sustainable Development (2005- 2014) with geoconservation.
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