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Balancing Risks and Benefits: Stakeholder Perspective on Managing Non-Native Tree Species in the European Alpine Space

For centuries, non-native tree (NNT) species have been planted throughout Europe for ecosystem services including timber and urban greenery. Public interest in NNTs has recently increased due to their potential role in climate change adaptation as alternatives to vulnerable native forest tree species. However, opinions regarding the benefits and risks of European NNTs differ. Understanding stakeholder perceptions is crucial for guiding adaptive forest management, especially in sensitive ecosystems like the European Alpine Space. To assess awareness and perception, a structured questionnaire was administered to 456 respondents from six countries in the European Alpine Space. Most respondents were aware of the origin of native and NNT species in their area. NNTs and invasive-NNTs were primarily found in urban regions, with a perceived increase in their occurrence over the past 25 years. With some exceptions, such as Pseudotsuga menziesii (Mirb.) Franco, the most common NNTs were generally perceived as potentially invasive. The perception of the invasiveness of NNTs correlated with their perceived risks and benefits on ecosystem services. The respondents who were unconcerned about invasiveness believed NNTs had a positive impact on provisioning services like timber, while those concerned about invasiveness perceived their negative effects on regulating cultural ecosystem services such as native biodiversity and landscape aesthetics. Overall, most respondents were conservative, opposing the promotion of NNTs, even in biodiversity-poor areas. Most stakeholders also believe that NNT regulations should prioritize their sustainable use and management rather than focusing solely on an invasive-centric narrative.

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Climate change impact on Mediterranean viticultural regions and site-specific climate risk-reduction strategies

The global increase in extreme weather and climate events may dramatically impact agriculture, food safety, and socioeconomic dynamics. The Mediterranean basin is already exposed to extreme climatic events, severely challenging viticulture, a pivotal Mediterranean agro–industry. This study aims to understand better how climate is expected to evolve in six viticulturally important Mediterranean regions in Portugal, Italy, Turkey and Morocco, using a 4–member ensemble of climatic model projections under Representative Concentration Pathways (RCP) 4.5 and 8.5 for 2041–2070, and using the 1981–2010 period as a baseline. By comparing the main specific challenges these locations will face, we comparatively define the best strategies to reduce the impacts of climate change at the national and regional levels. Projections show increases in overall temperatures, up to + 3.6°C than the historical baseline, whilst precipitation projections indicate decreases that could reach 36% of the overall annual precipitation. Biological effective degree days, consecutive dry days, growing season length, tropical nights, or very heavy precipitation days, also show challenging prospects for viticulture in these countries. A screening of the adaptative strategies already undertaken in the studied countries suggests that growers are taking reactive rather than preventive strategies. Moreover, the discussion of the most suitable strategies in this study is region–specific, i.e., prioritised by the specific needs of each location. The conclusions drawn herein may support local growers, improving their decision–making based on the most adequate adaptive strategies to their conditions, thus optimising their sustainable production under changing climates.

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Property-level adaptation to pluvial flooding: An analysis of individual behaviour and risk communication material

Integrated risk management requires all stakeholders to work together proactively. Residents of floodplains can participate by implementing property-level adaptive measures. Risk communication materials can motivate those households to do so. Research on these materials is limited. Therefore, we systematically assessed freely available German risk communication materials in terms of their recommendations and how their content aligns with behavioural theories. We compare these results with data from surveyed households affected by urban flooding (N = 1,352) on their attitudes towards flood adaptation and the adaptation measures implemented.209 risk communication materials were reviewed. Adaptation options (mostly evasion or resistance strategies) were communicated in 93%, the hazard itself in 78%, the local hazard situation in 48%, and responsibilities in risk management in 54% of the risk communication materials. These aspects were rarely broken down for the reader by, for example, presenting the damage that can be expected or by presenting measures with the expected costs or their response efficacy. However, these details commonly increase the adaptive behaviour of residents according to commonly used behavioural theories.Survey data indicated that households feel able (82%) and responsible (41%) for implementing adaptive measures. However, many households indicated that measures are not effective (41%), too expensive (34%), and that there are not enough support programs (87%). We recommend that future risk communication materials focus more on communicating the efficacy and costs of adaptive measures and highlight funding opportunities. Our mixed method approach highlighted mismatches in information needed and provided.

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The biased narrative of vulnerable women: gender analysis of smallholder farmers’ contextual vulnerability to climate change in the Taita Hills, Kenya

Climate change is increasing challenges in the agricultural sector for smallholder farmers. A key element in successful formulation of adaptation strategies is the analysis of vulnerability to climate change. This study examines smallholder farmers’ contextual vulnerability to climate change through their perceived vulnerability and focuses on gendered narratives and power structures in the Taita Hills, Kenya. The key methods are semi-structured interviews (N = 28) and a critical discourse analysis. The collected data consists of two-headed household interviews, single-headed household interviews, and key informant interviews with different stakeholders from the agriculture sector. Results indicate that contextual vulnerability can form a baseline for understanding individuals’ possibilities to adapt to changing environmental and climatic conditions. Outcome vulnerability analysis, that treats vulnerability as an endpoint output following mitigation actions, offers highly relevant information, but it is not alone enough for understanding the challenges and possibilities of climate change adaptation. Women and men farmers’ coping and adaptation response strategies did not differ notably, which supports the criticism of the gendered nature of vulnerability discourse. Differences in strategies appeared to be more linked in intersectional aspects between farmers in single-headed and two-headed households. Furthermore, the vulnerable women narrative did not reflect women farmers’ agency and centrality in the agriculture sector. The discourse of climate change adaptation should be corrected towards addressing structural challenges that can place people in a vulnerable position within diverse contextual conditions and intersecting attributes.

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