People and Nature

Journal: People and Nature

Publisher

Wiley

ISSN

2575-8314

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Publications 1 - 8 of 8

Urban ecosystems: A new frontier for payments for ecosystem services
Richards, Daniel R.; Thompson, Benjamin S. (2019)
People and Nature
1. Urban ecosystems provide many benefits to people, including regulation of environmental conditions, recreational opportunities, and positive health impacts. However, many urban ecosystems are under pressure from increasing urbanisation, because the economic benefits they provide are rarely captured by the people who own and manage them. Such ecosystems are seldom economically competitive compared to more profitable residential, commercial, and industrial land uses. 2. To develop more sustainable cities, we require new approaches for encouraging and enabling interventions that maintain, improve and create urban ecosystems. Payments for ecosystem services (PES) schemes are increasingly used to incentivise conservation and changes in environmental management in rural settings, but this approach has rarely been considered in cities. Here, we explain how payments for urban ecosystem services (PUES) could help protect, restore, and manage urban ecosystems. 3. To implement PUES, we must understand the differences between various public and private actors who could potentially provide or benefit from urban ecosystem services. For example, utilities companies could pay for reduced water treatment costs via deculverting streams, homeowners could pay for improved stormwater management via increasing permeable surface area, and business proprietors could pay for street tree installation and maintenance to provide shade and reduce air conditioning costs. 4. Urban densities, land values, and land tenure will impact the types of PUES projects that are most likely to be viable. To be successful, PUES will require an improved understanding of urban ecosystem service science—particularly how service provision changes under different land management practices. 5. Nevertheless, because of the high densities, co‐location, and wide variety of stakeholders that live in cities, there is potential for PUES to become an innovative funding source to support future urban ecosystem management.
Food for thought: The underutilized potential of tropical tree‐sourced foods for 21st century sustainable food systems
Jansen, Merel; Guariguata, Manuel R.; Raneri, Jessica, E.; et al. (2020)
People and Nature
1. The global food system is causing large-scale environmental degradation and is a major contributor to climate change. Its low diversity and failure to produce enough fruits and vegetables is contributing to a global health crisis. 2. The extraordinary diversity of tropical tree species is increasingly recognized to be vital to planetary health and especially important for supporting climate change mitigation. However, they are poorly integrated into food systems. Tropical tree diversity offers the potential for sustainable production of many foods, providing livelihood benefits and multiple ecosystem services including improved human nutrition. 3. First, we present an overview of these environmental, nutritional and livelihood benefits and show that tree-sourced foods provide important contributions to critical fruit and micronutrient (vitamin A and C) intake in rural populations based on data from sites in seven countries. 4. Then, we discuss several risks and limitations that must be taken into account when scaling-up tropical tree-based food production, including the importance of production system diversity and risks associated with supply to the global markets. 5. We conclude by discussing several interventions addressing technical, financial, political and consumer behaviour barriers, with potential to increase the consumption and production of tropical tree-sourced foods, to catalyse a transition towards more sustainable global food systems.
The role of nature's contributions to people in sustaining international trade of agricultural products
Marques, Alexandra; Bonn, Aletta; Castro, Antonio J.; et al. (2024)
People and Nature
1. Nature's contributions to people (NCP) are essential for the production and trade of agricultural, forestry and fishery commodities. Often, there is a spatial disconnect between consumers and the natural systems where the commodities are produced. Traded agricultural products are therefore dependent on nature and NCP in their region of origin. 2. The dependencies of agricultural products on NCP are, however, insufficiently recognised by consumers and are rarely considered in global environmental governance and trade policies along value chains. 3. Here, we synthesise studies highlighting dependencies of agricultural products on NCP in their origin locations to identify opportunities and challenges in quantifying their contribution in sustaining trade flows. 4. We suggest three methodological steps for quantifying NCP dependencies in international agricultural trade: spatial mapping of NCP supply and demand, linking NCP to agricultural trade flows, and tracing trade flows. Each methodological step requires further development and harmonisation to enable a complete accounting of how international agricultural trade depends on NCP. 5. Given the lack of knowledge and data on how NCP support agricultural trade, social and environmental trade-offs of natural resource management are currently hard to quantify. Quantifying the role of NCP dependencies of traded agricultural products can support their sustainable management, contribute to supply chain accountability and serve as input to sustainable natural resource governance and foster responsibility and equity in supply chains.
How previous experiences shape actors' current perspectives in integrated natural resource management
Gaus, Raphael; Ejderyan, Olivier; Grêt-Regamey, Adrienne; et al. (2023)
People and Nature
1. Previous experiences play a multifaceted role in shaping current perspectives in integrated natural resource management. We used qualitative interviews and a quantitative survey to study the similarities and differences in terms of the links between the diverse actors' previous experiences and their current perspectives on the various issues to be resolved in a real-world integrated watershed management project. 2. We found that the quantity and quality of experiences in past projects including water management, participation and politics are dissimilarly linked to the information, mental models and beliefs of perspectives regarding present issues. More experienced actors generally have broader perspectives than less experienced actors. Less experienced actors are particularly curious about approaches to water management. 3. Actors with more experience in water management are more focused on ecological issues due to positive experience. Actors with more experience in participation are more sceptical about constructive solutions due to negative experience. Actors with more experience in politics emphasise the importance of agriculture and learning processes due to positive or negative experience. Actors with more negative experience in water management, participation and politics can nevertheless be motivated for participatory processes and integrated natural resource management. 4. We conclude that previous experiences are critical factors that should be considered when designing participatory processes in integrated natural resource management. It could be valuable to include mixed compositions of actors with different types of previous experiences and different aspects of current perspectives to benefit from their complementary strengths.
Pathways for biodiversity enhancement in German agricultural landscapes
Sponagel, Christian; Thompson, Amibeth; Paetow, Hubertus; et al. (2025)
People and Nature
Conserving biodiversity, especially in agricultural landscapes, is a major societal challenge. Broad scientific evidence exists on the impacts of single drivers on biodiversity, such as the intensification of agriculture. However, halting biodiversity decline requires a systemic understanding of the interactions between multiple drivers, which has hardly been achieved so far. Selecting Germany as a case study, the goal of our analysis is (i) to understand how various socio-economic drivers of biodiversity in agricultural landscapes interact at the national scale, (ii) to identify plausible pathways that most likely will lead to an improvement of biodiversity in agricultural landscapes and (iii) to discuss guiding principles for policy-making based on the pathways. We applied the expert-based Cross-Impact-Balance (CIB) methodology to the German agri-food system (target year 2030). Seven descriptors that represent the most relevant socio-economic drivers of biodiversity (here, we focus on species richness) in agricultural landscapes in Germany were defined. In three workshops with different groups of experts, we assessed all the interactions and impacts between these descriptors. From the workshops, seven overlapping scenarios were identified and aggregated into four main future pathways for enhancing biodiversity in agricultural landscapes. These pathways are: (1) ‘Innovation and stricter legislation’, (2) ‘Major change in protein production and CAP shift’, (3) ‘Major change in protein production and national legislation’ and (4) ‘Major social changes compensate for a lack of innovation in food production’. Socio-economic drivers interact to varying degrees. Societal values have a strong active influence on the system, e. g. agricultural policy, whereas the orientation and objectives of agriculture, e. g. focus on public goods, are rather passively determined. Conserving biodiversity thus depends upon the evolution of societal values, European and national nature conservation and agricultural policies, innovations in plant and protein production as well as on global commodity markets. A key message for policymakers is that there are generally different, complementary options for achieving the objective of improving biodiversity. This is important when specific drivers such as the CAP cannot be steered in a particular desired direction.
Micronutrient levels of global tropical reef fish communities differ from fisheries capture
Waldock, Conor; Maire, Eva; Albouy, Camille; et al. (2025)
People and Nature
The exceptional diversity of shallow-water marine fishes contributes to the nutrition of millions of people worldwide through coastal wild-capture fisheries, with different species having diverse nutritional profiles. Fishes in ecosystems are reservoirs of micronutrients with benefits to human health. Yet, the amount of micronutrients contained in fish species on coral reefs and in shallow tropical waters is challenging to estimate, and the micronutrients caught by fisheries remain uncertain. To assess whether micronutrient deficiencies could be addressed through specific fisheries management actions, we first require a quantification of the potentially available micronutrients contained in biodiverse reef fish assemblages. Here, we therefore undertake a broad heuristic assessment of available micronutrients on tropical reefs using ensemble species distribution modelling and identify potential mismatches with micronutrients derived from summarising coastal fisheries landings data. We find a mismatch between modelled estimates of micronutrients available in the ecosystem on the one hand and the micronutrients in small-scale fisheries landings data. Fisheries had lower micronutrients than expected from fishes in the modelled assemblage. Further, fisheries were selective for vitamin A, thus resulting in a trade-off with other micronutrients. Our results remained unchanged after accounting for the under-sampling of fish communities and under-reporting of small-scale fisheries catches—two major sources of uncertainty. This reported mismatch indicates that current estimates of fished micronutrients are not adequate to fully assess micronutrient inventories. However, small-scale fisheries in some countries were already selective towards micronutrient mass, indicating policies that target improved access, distribution and consumption of fish could leverage this existing high micronutrient mass. Enhanced taxonomic resolution of catches and biodiversity inventories using localised species consumption surveys could improve understanding of nature-people linkages. Improving fisheries reporting and monitoring of reef fish assemblages will advance the understanding of micronutrient mismatches, which overall indicate a weak uptake of nutritional goals in fisheries practices. The decoupling between micronutrients in ecosystems and in fisheries catches indicates that social, economic, and biodiversity management goals are not shaped around nutritional targets—but this is key to achieve a sustainable and healthy planet for both people and nature.
Horizontal portability: A proposal for representing place-based relational values in research and policy
Himes, Austin; Muraca, Barbara; Allen, Karen; et al. (2025)
People and Nature
1. Relational values feature prominently in recent international efforts to protect global biodiversity. In this article, we provide a conceptual approach for researchers, facilitators and policy-makers to adequately represent place-based relational values in assessments of nature's value that inform practice and policy. 2. We suggest employing horizontal portability as an alternative and complement to the dominant mode of assessing nature's value via vertical subsumption. Vertical subsumption is a process through which particular values are generalised into overarching categories to conform to more general value concepts and thereby stripped of their place-specific meanings. In contrast, horizontal portability is introduced here as a conceptual approach that maintains the contextual rootedness of place-based local expressions of value while also communicating them across places, knowledge systems, and communities. The movement (i.e. 'porting') is 'horizontal' because it allows relational values rooted in a particular biocultural context to speak to different contexts on equal terms. 3. We discuss how research on the value of nature and people -nature relationships can support horizontal portability. 4. Finally, we provide recommendations for the application of horizontal portability that promotes more plurality and greater inclusion of place-based relational values in research, policy and action.
How to make socio‐environmental modelling more useful to support policy and management?
Will, Meike; Dressler, Gunnar; Kreuer, David; et al. (2021)
People and Nature
Abstract Dynamic process‐based modelling is often proposed as a powerful tool to understand complex socio‐environmental problems and to provide sustainable solutions as it allows disentangling cause and effect of human behaviour and environmental dynamics. However, the impact of such models in decision‐making and to support policy‐making has so far been very limited. In this paper, we want to take a critical look at the reasons behind this situation and propose steps that need to be taken to change it. We investigate a number of good practice examples from fields where models have influenced policy‐making and management to identify the main aspects that promote or impede the application of these models. Specifically, we compare examples that differ in their extent to how explicitly they represent human behaviour as part of the model, ranging from purely environmental systems (including models for river management, honeybee colonies and animal diseases), where modelling techniques have long been established, to coupled socio‐environmental systems (including models for land use, fishery management and sustainable water use). We use these examples to synthesise four key factors for successful modelling for policy and management support in socio‐environmental systems. They cover (a) the specific requirements caused by modelling the human dimension, (b) the importance of data availability and accessibility, (c) essential elements of the partnership between modellers and decision‐makers and (d) insights related to characteristics of the decision process. For each of these aspects, we give recommendations specifically to modellers, decision‐makers or both to make the use of models for practice more effective. We argue that if all parties involved in the modelling and decision‐making process take into account these suggestions during their collaboration, the full potential that socio‐environmental modelling bears can increasingly unfold. A free Plain Language Summary can be found within the Supporting Information of this article.

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