Social-ecological Sustainability Research Articles

Moving toward a decolonial and intersectional notion of justice for socio-ecological problems: the urban agroecology of the Buckets Revolution

ABSTRACT This article analyses the Buckets Revolution, an urban agroecological movement in a Brazilian favela that emerged to address waste management issues. We aim to explore the movement’s achievements in promoting socio—cological justice in a vulnerable community of the Global South through agroecology, investigating: i) what socio-ecological problems and intersected demands for justice boosted the emergence of the Buckets Revolution? and ii) what demands for justice the BR has been dealing with to overcome the socio-ecological injustices borne by the Chico Mendes community? We apply the socio-ecological justice model as our theoretical framework, with a decolonial and feminist intersectional approach to embrace the complexity of the case study. The research methods focus on embracing the local reality and the community views, encompassing bibliographical research, a focus group, and semi-structured interviews. The findings reveal that this agroecological movement has effectively addressed organic waste management, food insecurity, and other socio-ecological issues, contributing to socio-ecological justice in the Chico Mendes community. The study emphasizes the importance of considering the a) interconnections of social and ecological problems, b) intersected dimensions of justice, and c) needs and views of the community when developing environmental urban policies to achieve social justice and ecological sustainability.

An evaluative study of economic security from the perspective of land resource assets

Food availability, economical and social stability, ecological sustainability, and sustainable urban and rural growth are all aspects of China's land resource economic security (LRES). This study constructs indicators which utilize panel statistics of 31 Chinese provinces from 2004 to 2019 to properly evaluate the extent of China's LRES, considering quantitative, qualitative, structural, price, and efficiency security. Hence, it analyzes the factors that affect LRES using static panel data. The study finds that, first, the level of LRES in China has fluctuated widely, with an upward trend over the past three years. Second, it varies across regions, with the highest level occurring in the central regions. Third, an inverse "U" relationship is observed between the level of economic development and land resource security. The level of LRES is negatively impacted by population On the other hand, the level of human capital, the scale of fixed asset investment, the improvement in pollution control, and the rationalization of the manufacturing system all increase LRES.Hence, over time, the economic security of land is expected to improve.

Exploring transformative processes at the intersections of land, water and livelihoods: a case study from the Tsitsa Project, South Africa

ABSTRACT The Tsitsa River catchment is a complex social-ecological system (cSES) in a rural area of the Eastern Cape Province of South Africa and the site of the Tsitsa Project (TP); a multi-stakeholder, transdisciplinary landscape restoration project aiming to improve sustainable livelihoods and ecological infrastructure. We investigated transformation mechanisms in a framing of multidimensional linkages, including the recognition of differentiated scales and levels. Linkages were analysed through the development of two vignettes: 1) a citizen technician employed to monitor sediment loads in rivers to inform landscape restoration activities (local scale); and 2) a senior government official responsible for (regional scale) operational and on-the-ground restoration initiatives. Vignette data were generated during a workshop, from TP researcher reflexivity, and interviews with the TP Catchment Coordinator and vignette subjects. Data were analysed and presented: i) as a heuristic diagram, ii) through a narrative, and iii) as a matrix table. Each analysis incorporated a different conceptualisation of scale in relation to four social processes related to transformative change: learning, agency, power and structure. Transformation is demonstrated and leverage points and areas of intractability for promoting and constraining future transformation towards social-ecological sustainability, were identified respectively. Further, we suggest that an understanding of transformative processes was enriched and nuanced by combining a triad of complementary analytical exercises. These allowed a focus on unique stories and contexts, but also the identification of generalisable patterns and mechanisms.

FEASIBILITY ANALYSIS OF URBAN SMALLHOLDER RICE FARMING IN BANGAKALA VILLAGE, MANGGALA DISTRICT, MAKASSAR CITY

Every business that carried out is expected to be sustainable. Businesses in the agricultural sector can continue if they can provide benefits to the management. The sustainability of a business in the agricultural sector can be seen in social economics and ecological sustainability. Economic sustainability can be seen in terms of economic feasibility, for example, being able to generate profit or income. While social sustainability is indicated by the existence of cooperation and the ability to minimize completeness among stakeholders, especially among fellow farming actors, while an Ecological sustainability farming business occurs when there is an effort among farming actors to conserve land and apply organic farming. This study aims to determine the feasibility of urban rice farming in Bangkala Village, Manggala District, Makassar City. Respondentd were chosen purposively sampling technique. While the data was analyzed by using B/C ratio. The results of the analysis of the B/C ratio obtained were 0.72, meaning that rice farming for urban farmers in the Bangkala sub-district, Manggala District, from an economic point of view, was no longer feasible or not longer profitable. Therefore farmers have to look for other sources of income such as becoming construction workers, sellers, or starting a business, so the government needs to intervene to provide training to build the skills needed by farmers.

Digital tools and social-ecological sustainability. Going beyond mainstream ways of understanding the roles of tools in contemporary eduscapes

All education in Sweden, or the Swedish eduscape, is permeated by discourses of compensation and inclusion, conceptualized in this study as a one-school-for-all ethos or perspective. This ethos contributes to a social-ecological framing, wherein the intentions are a society where everyone can participate as active members. This study scrutinizes the governmental strategy of 2017 to digitalize the Swedish educational system based on a one-school-for-all perspective. The study is framed by SWaSP (Second Wave of Southern Perspective) theoretical ideas, with a special focus on positionings, languaging, timespaces, and epistemological-methodological dimensions, including ethics based on the entangled tenets of sociocultural, integrationist, and southern perspectives. Furthermore, this study is anchored in three research projects and one societal developmental project. Materials - e.g., video recordings, audio recordings, photos, artifacts, fieldnotes – from these projects have been generated through (n)ethnographic methods from different institutions in the Swedish educational landscape i.e., eduscape. These span across compulsory schools to Swedish for Immigrants (SFI), within Municipal Adult Education. Three themes have emerged in the multi-scalar data analysis from across settings: (i) intended inclusion, (ii) unintended exclusion, and (iii) intended exclusion. The first theme highlights how digital tools (DTs) create inclusion for students with special needs, or those who are new to the named-language Swedish, in the classroom community, thus contributing to social-ecological sustainability. The second theme illustrates how DTs intended for inclusion in classroom practices morph into tools of exclusion for individuals in mainstream classrooms. The third theme highlights how students in the Swedish eduscape are intentionally excluded from mainstream classrooms. We argue that a social-ecological sustainable stance troubles the division of eduscapes into “mainstream” and “other” settings in contemporary societies, calling for the inclusion of all students irrespective of their positionalities. Our findings highlight that multimodal use of DTs potentially can facilitate inclusion, by providing tools where individual students can participate in and contribute to teaching and learning—what we frame as a third position of classroom organization.

Cars, capitalism and ecological crises: understanding systemic barriers to a sustainability transition in the German car industry

ABSTRACT In the face of climate and ecological crises, it is vital that car use be reduced, while simultaneously shifting towards different powertrains and reducing the size, weight and energy demand of vehicles. This poses a challenge to the global car industry, as its business model historically centres on selling more and larger cars. In this context, the purpose of this paper is to examine the social-ecological limits of industrial restructuring in Germany. A narrative literature review through the lens of Marxian political economy sheds light on intertwined system-immanent barriers to achieving social and ecological sustainability at the sectoral level. Consequently, powertrain electrification is structured by technological dynamism, which fuels appropriation in the quest for metals and rare earths, with significant social and ecological disadvantages. This generates an impasse for the industry’s transition strategies. Understanding how capitalist tendencies generate interlaced and mutually re-enforcing barriers to achieving social-ecological sustainability is key to understanding why industrial transitions are insufficient from a social-ecological perspective.

Acoustic recording complements camera traps for monitoring sensitive penguin populations

In the face of global biodiversity loss that threatens social–ecological sustainability, we must improve our knowledge of species' behaviours, life histories and populations. Enhanced understanding is especially critical for taxa like seabirds that live in remote habitats where monitoring is logistically challenging, and technology‐based approaches could lead to major advances. Considering conservation threats and breeding behaviours, penguins represent a promising taxon for further exploration of monitoring methods. Only five of 18 penguin species are currently considered species of Least Concern by the IUCN, and the sensitivity of penguins to ecological disturbances makes them important indicators of ecosystem dynamics. Penguins regularly congregate in dense breeding colonies and are visually and aurally conspicuous animals, making them relatively easy to monitor in some respects. In situ observations and visual remote sensing monitoring methods (i.e. camera traps, uncrewed aerial vehicles and satellite imagery) currently provide highly valuable information on penguin behaviour and population dynamics, but these methods have a number of shortcomings. Several rely on human presence in remote areas, some require clean lines of sight with no visual obstructions, and some offer limited spatial and temporal resolution. In this study we explore the use of passive acoustic monitoring (PAM) as a complementary remote sensing method to monitor penguin behaviour and populations at high spatial and temporal resolution without visual constraints or the need for continuous human presence. We conducted observations of vocalization rates and placed automated acoustic recorders in colonies of Magellanic Penguins Spheniscus magellanicus and Southern Rockhopper Penguins Eudyptes chrysocome in conjunction with camera traps. We found positive relationships between acoustic activity and counts of Magellanic Penguins in camera trap photos. We also identified clear diel patterns of acoustic activity that differed between breeding stages, and we found positive correlations between acoustic activity and estimates of colony density for various times of day and radii around recorders. While much work remains to improve this method and refine interpretation, PAM holds great promise as a complementary tool for monitoring the relative abundance and behavioural dynamics of penguins and other colonial animals, particularly those that burrow or nest in dense vegetation that impairs visual monitoring techniques.

Optimization of Chemical Environmental Protection and Energy Sustainable Development

Chemical products are increasingly being used in all aspects of human life as science and technology advance. However, there are some drawbacks to chemical technology. For example, many chemical production will use large amounts of coal and petroleum, causing not only an energy shortage but also irreversible pollution to the environment. As a result, researchers' attention has gradually shifted to chemical environmental protection, energy sustainable development, and other disciplines subdivided from the chemical specialty. The research methods of literature review and information retrieval are used in this paper to investigate the application and development of chemical environmental protection technology in industrial production on the one hand, and more favorable methods for energy conservation on the other. This paper proposes targeted optimization measures for chemical environmental protection and sustainable energy development by analyzing existing problems in the chemical industry. People have the innovative ability to combine the benefits of the two and break free from the past recognition and reliance on traditional energy, which will play a critical role in promoting the development of social economy, ecological sustainability, energy utilization, and other fields.

Expanding current definitions of environmental stewardship through organizational mission statement analysis.

In recent years, environmental stewardship has been emphasized as one solution to social-ecological sustainability concerns, especially at the local scale. The Stewardship Mapping and Assessment Project (STEW-MAP) is a national research program developed by the USDA Forest Service that has been implemented at numerous locations in the United States and internationally. This study compared the mission statements of environmental stewardship groups in the Los Angeles River Watershed to previously proposed definitions and frameworks of organizational environmental stewardship to see how well they were reflected. A thematic analysis of the mission statements was also carried out to identify locally important themes and priorities. Results show that, although often consistent, the mission statements do not always reflect existing concepts around environmental stewardship. Additionally, environmental stewardship is not always explicit in the mission statements of organizations that are known to conduct these activities. We suggest that non-traditional groups that engage in stewardship work (i.e., research institutions) as well as groups focused on social issues are overlooked actors in sustainable city goals. A more comprehensive definition of environmental stewardship may be needed to bridge the gap between research and practice.

Just transition in the post-pandemic city

ABSTRACT This paper asks how the pandemic has affected climate governance, with a specific focus on just transition in cities. We respond to Westman and Castán Broto’s (2021) challenge that three assumptions are frequently reproduced in the urban climate governance literature and ask: (1) Are social justice and environmental sustainability separated? (2) Does a sectoral perspective on cities constrain conceptions of climate justice? and (3) Is there action rather than just plans? We address these questions by studying three cities in the South West of England (Bristol, Bath, and Exeter) that have expressed aspirations for rapid and just transition to net zero. There are promising signs of climate action, although the pandemic slowed it down somewhat. Climate justice is not sufficiently embedded in plans or actions. Commitment to just transition is present but partial and often unspecified. Social justice and ecological sustainability are too often treated as separate goals, more likely to come into conflict with each other, than addressed jointly. Too much climate work in cities takes place in silos around energy and transport but separate from other sectors. There is a notable failure to engage with civil society for a just transition. We conclude that for cities to truly implement a just transition, better engagement with grassroots actors from across sectors and parts of society is necessary. The development of tools which support cities to analyse the complex interplay of distributional, recognitional, participatory and restorative aspects of justice could be an important part of delivering this change.

Assessing social-ecological connectivity of agricultural landscapes in Spain: Resilience implications amid agricultural intensification trends and urbanization

CONTEXTAccelerated intensification/disintensification and urbanization are changing agricultural systems and propel the need for spatial approaches to understand sustainability-enhancing resilience. Landscapes are key to this understanding though little is known of the broad-scale, cross-landscape connectivity of social-ecological factors amid changing agricultural systems. OBJECTIVEThis study's goals are to identify broad-scale types of agricultural landscapes in Spain that are associated with intensification/disintensification and urbanization and then to use case studies to assess the types and extent of cross-landscape connectivity. It examines the social-ecological connectivity of environmental resources, resource users, and governance. The overarching purpose is to improve the understanding of social-ecological connectivity in strengthening the sustainability-enhancing resilience of agricultural landscapes amid global agri-food changes. METHODSTo pursue these goals, we conducted a structured literature review of publications to identify major types of agricultural landscapes in Spain that reflect intensification/disintensification and urbanization trends. Case studies of agricultural landscapes and connectivity were undertaken in the Madrid and Granada regions. These case studies used a structured interview with experienced professional experts in fields of social-ecological sustainability and agricultural landscapes in each region. Analyses including Latent Block Modelling were applied to interview results on types and extent of cross-landscape connectivity in both conventional and alternative agriculture. RESULTS and CONCLUSIONSThe structured literature review identified the predominance of three types of broad-scale agricultural landscapes in Spain: intensive, “traditional” rural, and peri-urban/urban. Analysis of case-study results revealed variation of the extent and structure of connectivity among clusters of landscape interactions and social-ecological factors. Landscape-level connectivity created both negative agricultural impacts (e.g., extensive water transfers and nutrient pollution in conventional agriculture) and positive impacts (e.g., knowledge system and seed exchanges in alternative agriculture). Interactions of alternative agricultural systems in peri-urban/urban and “traditional” rural landscapes have benefitted from cross-landscape connectivity amid accelerated agricultural change. SIGNIFICANCEResearch and policy on the landscape-level connectivity of agricultural systems are needed to strengthen sustainability-enhancing resilience of both conventional and alternative agriculture. This study's approach and results are a strategic complement to existing emphasis on within-landscape cycles of social-ecological factors in alternative agriculture. This study's insights are important in the transition phases of alternative agriculture and associated food systems amid changes due to agricultural intensification/disintensification and urbanization. Understanding selective cross-landscape connectivity is important for spatial approaches to strengthen the sustainability-enhancing resilience of agricultural systems.

Ecological ceiling and social floor: public support for eco-social policies in Sweden

In this article, we investigate public support for eco-social policies combining goals of social justice and ecological sustainability. Eco-social policies contribute both to providing a social floor or redistributing resources to where they are needed and to respecting an ecological ceiling by keeping human activities within ecological limits. We discuss five such policies and highlight arguments for and against defining them as eco-social policies: a maximum income, a wealth tax, a basic income, a working time reduction and a meat tax. Asking what the social and individual determinants of supporting these policies are, we use 2020 data from a representative survey in Sweden containing information about how respondents evaluate the policies. We run regression analyses to estimate the effects on these evaluations and test for socio-economic, knowledge-based and value-based factors. Results show that (1) in Sweden a working time reduction is the most supported eco-social policy; (2) political left orientation increases support for all five eco-social policies; (3) socio-economic factors have effects on wealth tax, maximum income and working time reduction; and (4) knowledge-based factors are more associated with the meat tax. Thus, socio-economic and knowledge-based models have the most significance for policies that could be understood as being either social or environmental, while value-based models have significance across potentially perceived policy divides and hence to a greater extent explain support for policies targeting an ecological ceiling and a social floor.

Dynamic Analysis in Surface Water Area and Its Driving Factors in Northeast China from 1988 to 2020

The spatiotemporal changes in surface water area (SWA) in the basins of Northeast China have far-reaching impacts on their economic, agricultural, and social development and ecological sustainability. However, the long-term variation characteristics of water bodies in the Northeast basin and its main driving factors are still unclear. Based on the global surface water dataset, combined with the Meteorological and Vegetation Normalized Index (NDVI) datasets, this study used linear regression and correlation analysis to investigate the temporal and spatial variation characteristics of surface water in Northeast China and its driving factors from 1988 to 2020. The results show that (1) the seasonal surface water area (SSWA) and permanent surface water area (PSWA) in Northeast China increased at the rates of 58.408 km2/ year and 169.897 km2/ year, respectively, from 1988 to 2020. Taking 2000 as the node, PSWA and SSWA showed a trend of first decreasing and then increasing. (2) Changes in surface water types in each basin have significant space–time differences, and the transition between water bodies is dominated by the addition and reduction of seasonal water bodies. PSWA decreased significantly in western basins such as the Ulagai River Basin, the Otindag Desert, and the Liao River Basin, but increased significantly in the Songhua River Basin. (3) The driving forces of surface water change in different basins are different. Temperature and NDVI play a leading role in the change of SWA in the western arid region; permafrost degradation under the condition of air temperature rise is an indispensable factor affecting SWA change in the Argun River Basin; the eastern basin with a larger surface water area responded more strongly to changes in precipitation and evapotranspiration. Land-use conversion and water conservancy project construction were the main reasons for the increase of SWA in the Songhua River Basin under reduced precipitation. This research provides a reference for the in-depth study of the characteristics of surface water resources in Northeast China and has important practical significance for the scientific management of water resources in the basin.

Single Amino Acid Substitution the DNA Repairing Gene Radiation-Sensitive 4 Contributes to Ultraviolet Tolerance of a Plant Pathogen.

To successfully survive and reproduce, all species constantly modify the structure and expression of their genomes to cope with changing environmental conditions including ultraviolet (UV) radiation. Thus, knowledge of species adaptation to environmental changes is a central theme of evolutionary studies which could have important implication for disease management and social-ecological sustainability in the future but is generally insufficient. Here, we investigated the evolution of UV adaptation in organisms by population genetic analysis of sequence structure, physiochemistry, transcription, and fitness variation in the radiation-sensitive 4 (RAD4) gene of the Irish potato famine pathogen Phytophthora infestans sampled from various altitudes. We found that RAD4 is a key gene determining the resistance of the pathogen to UV stress as indicated by strong phenotype-genotype-geography associations and upregulated transcription after UV exposure. We also found conserved evolution in the RAD4 gene. Only five nucleotide haplotypes corresponding to three protein isoforms generated by point mutations were detected in the 140 sequences analyzed and the mutations were constrained to the N-terminal domain of the protein. Physiochemical changes associated with non-synonymous mutations generate severe fitness penalty to mutants, which are purged out by natural selection, leading to the conserved evolution observed in the gene.

Coupling human and natural systems for sustainability: experience from China's Loess Plateau

Abstract. Addressing the sustainability challenges that humanity is facing in the Anthropocene requires the coupling of human and natural systems, rather than their separate treatment. To help understand the dynamics of a coupled human and natural system (CHANS) and support the design of policies and measures that promote sustainability, we propose a conceptual cascade framework of “pattern–process–service–sustainability”, which is characterized by coupling landscape patterns and ecological processes, linking ecological processes to ecosystem services, and promoting social–ecological sustainability. The use of this framework is illustrated by a review of CHANS research experience in China's Loess Plateau (LP), a well-known region for its historically severe soil erosion and successful ecological restoration achieved in recent decades. Ecological restoration in the LP has greatly increased its vegetation coverage and controlled its soil erosion. However, some accompanied issues, like soil drying in some areas due to the introduction of exotic plant species and the mismanagement of planted vegetation and water use conflicts between vegetation and humans caused by the trade-off between carbon sequestration and water supply, have started to threaten the long-term sustainability of the LP. Based on a comprehensive understanding of CHANS dynamics, the social–ecological sustainability of the LP can be improved through enhancing water and food security, implementing basin-wide governance, maintaining ecological restoration achievements, and promoting rural livelihood transition. The research experience accumulated on the LP offers examples of the application of the pattern–process–service–sustainability framework. Future research using this framework should especially focus on the integrated research of multiple processes; the cascades of ecosystem structure, function, services, and human well-being; the feedback mechanisms of human and natural systems; and the data and models for sustainability.

Exploring adaptive approaches for social-ecological sustainability in the Belt and Road countries: From the perspective of ecological resource flow

The countries along the Belt and Road (B&R) are characterized by fragile ecosystems and underdevelopment economy. International trade usually transferred the eco-environmental negative impacts to developing countries. How to avoid the conflict between economic development and eco-environmental protection is the primary concern of building the Green Silk Road. To discover the adaptive strategies for ensuring the sustainability of the social-ecosystem in countries along the B&R, this study analyzes the supply-consumption relationship of ecological resources by simulating the flow of net primary productivity between the ecosystem and the social system. The results show that: (1) The flow of ecological resources between agricultural and husbandry systems have effectively alleviated the local ecological pressure caused by animal husbandry in countries along the B&R. Animal husbandry in developed countries economize the local ecological resources by importing feed, while mitigating the grazing pressure by utilizing the local crop residues in underdeveloped agricultural countries. (2) International trade not only enables countries with insufficient ecological resources to meet their demands by importing ecological products and thus alleviate ecosystem pressure, but also promotes countries with sufficient ecological resources to transform their resource advantages into economic advantages by exporting without at the expense of ecological sustainability. (3) For underdeveloped countries, the dependence of economic development on ecological resources is at the expense of the living demands of residents, only if the economy could have leap-forward improvement the allocation of ecological resources within the social system would be inclined to living demands. These adaptive approaches not only provide the evidences of ecological-social sustainable development by promoting the reasonable flow and allocation of ecological resources, but also imply the necessary assistance for the underdeveloped countries to guarantee the basic human well-being in economic development.

A regional PECS node built from place-based social-ecological sustainability research in Latin America and the Caribbean

ABSTRACT Sustainability requires a combination of meaningful co-production of locally relevant solutions, synthesis of insights gained across regions, and increased cooperation between science, policy and practice. The Programme for Ecosystem Change and Society (PECS) has been coordinating Place-Based Social-Ecological Sustainability Research (PBSESR) across the globe and emphasizes the need for regional scientific nodes from diverse biocultural regions to inform sustainability science and action. In this paper, we assess the strengths of the PBSESR communities in Latin America and the Caribbean (LAC). We provide an overview of PBSESR literature associated with this region and highlight the achievements of two prominent regional networks: The Social-Ecological Systems and Sustainability Research Network from Mexico (SocioEcoS) and the South American Institute for Resilience and Sustainability Studies from Uruguay (SARAS Institute). Finally, we identify the potential in these nodes to constitute a regional PECS node in Latin America and discuss the capacity needed to ensure such function. The results of the literature review show that while still loosely interconnected across the region, networks play key roles in connecting otherwise cloistered teams and we illustrate how the SocioEcoS network (focusing on transdisciplinary co-production of knowledge towards sustainability) and the SARAS Institute (focusing on innovative approaches for looking at complex social-ecological problems, rooted in slow science and arts) operate as key connectors in the region. We conclude that these organizations combined can embody a Latin American node for PECS, and would thereby not only contribute to regional but also global capacities to advance the sustainability agenda.

Human-nature connection and soundscape perception: Insights from Tierra del Fuego, Argentina

Human disconnection from nature is thought to have contributed to the environmental crises we currently face, and increasing connection with nature has been proposed as one way of promoting pro-environmental behavior, nature conservation, and social-ecological sustainability. Some efforts to increase connection with nature (“nature relatedness”) have centered on exploring the social-ecological importance of soundscapes, but there is a paucity of empirical evidence supporting the theoretical linkage between soundscape perception and nature relatedness. Using prerecorded and in situ soundscape prompts, we conducted a street intercept survey in Ushuaia, Tierra del Fuego, Argentina to assess: 1) the relative importance of senses in experiences of nature, 2) the relationship between nature relatedness and soundscape perception, 3) differences in soundscape perception between various soundscapes, and 4) possible sociodemographic influences on sense importance, nature relatedness, and soundscape perception. Participants reported that hearing was of secondary importance to vision in experiences of nature. We also found that nature relatedness was positively correlated with the valuation of soundscapes—particularly more natural ones—but not with the discernment of soundscapes or identification of where soundscapes were recorded. Valuation of more natural soundscapes was higher than valuation of more technophonically dominated soundscapes, while soundscape discernment and location identification were higher for soundscapes that were likely more familiar to listeners. Sociodemographic influences on these variables were minor, but women reported higher sense importance, and having a nature-based occupation was associated with higher nature relatedness and valuation of a soundscape from a penguin colony. Our study highlighted a number of potential research areas concerning soundscape perception, including differences between prerecorded and in situ soundscape prompts, defining various aspects of soundscape perception, and the relative influences of sound sources and quantitative acoustic parameters on soundscape perception. Further research is certainly needed to account for global diversity in cultures and soundscapes, but we found some promising empirical support for the use of natural-soundscape-focused educational programs in efforts to promote nature relatedness.

Comprehensive evaluation of environmental dimension reduction of multi-type islands: a sustainable development perspective.

In recent years, the sustainable development of islands has attracted increasing attention from countries all over the world. An important prerequisite for promoting sustainable development is to understand the foundation and sustainable development potential of islands. Constructing index systems and models is an important means of evaluating the sustainability of islands. This study used factor analysis (FA) to construct an indicator system and set weights. Thirty-eight indicators were set from both natural and social directions to evaluate the sustainable development of seven typical islands in China. The FA removed the 10 indicators that were too relevant, and the 28 effective indicators were reduced into 9 main factors for evaluation. The results showed that the evaluation results are in line with the actual development of the island, which verifies the applicability of the model to different types of islands. The study also found that the changing trends of island social sustainability, tourism sustainability, ecological sustainability, resource sustainability, and economic sustainability are consistent. The value of fully balanced islands is higher than that of unbalanced or undeveloped islands. Among the seven islands, social islands have the highest total value, and ecological islands have the lowest total value.

‘Our wetland is our mother, you cannot take her away from us’: Reconstructing the political space of reclaiming a coastal wetland in Sompeta, Andhra Pradesh, India

ABSTRACT The article is a case study of state-mediated wetland grabbing and dispossession and the people’s struggle to reclaim a coastal wetland at Sompeta in India. It examines the nature and mechanisms of dispossession as well as the resistance to wetland grabbing. The study shows that the apparatuses used by the state to capture the wetland, unleash a coercive process of land dispossession from above. It also uncovers a composite dispossessory politics, which is a convergence of the physical loss of wetland used as commons, loss of livelihoods and exclusion based on socio-cultural identities of gender, caste and class. Resistance from below counteracted both the coercive process and the dimensions of dispossession. We find that wetland commons is a geography of social embeddedness and ecological sustainability which has to be protected from commercial exploitation. Moreover, wetland conversion implies water scarcity and loss of social safety net for the disadvantaged communities dependent on the wetland. As long as the state continues to neglect this social reality, the rural communities will resist. To break the impasse, it is imperative to have ‘a dialogue’ among resource users with competing claims encompassing equity and sustainability.