How Landscape Changes Affect Microclimate, Insects, and Plant Health Over Time

Jenn Hoskins
30th July, 2024

How Landscape Changes Affect Microclimate, Insects, and Plant Health Over Time

This study's experimental design used standardized 1 m²-gardens, equipped with sensors and traps for flying (1) and soil-dwelling (2) arthropods (above), which were distributed across the Merode (M) and BEL-Landscape (B) observatories (below) to consistently assess landscape-scale effects on local agroecosystem functioning.

Image adapted from: Gerits et al. / CC BY (Source)

Key Findings

  • The study, conducted in peri-urban areas of Flanders, Belgium, found that landscape composition significantly affects agrobiodiversity and ecosystem services
  • Measures to enhance agrobiodiversity are more effective when considering the entire landscape rather than individual land parcels
  • The effectiveness of these measures can vary significantly based on weather conditions, highlighting the impact of climate change on agricultural practices and biodiversity
Understanding the functional consequences of biodiversity loss is a major goal of ecology. A recent study conducted by researchers at Ghent University explores the importance of a landscape-level approach to reinforce agrobiodiversity in peri-urban areas[1]. The study examines how land use composition and indicators of ecosystem services are influenced by weather conditions and vary across different regions. Agrobiodiversity, which refers to the variety and variability of plants, animals, and microorganisms used directly or indirectly for food and agriculture, has seen a significant decline over recent decades. This loss impacts ecosystem services, which are the benefits humans obtain from ecosystems, such as pollination, pest control, and nutrient cycling. The study by Ghent University highlights the necessity of considering the entire landscape rather than focusing solely on individual parcels of land to effectively reinforce agrobiodiversity. The researchers used a social-ecological framework to understand how different land users interact with agrobiodiversity at both the parcel and landscape levels. This approach is crucial because it acknowledges the interconnectedness of different land uses and their combined impact on ecosystem services. By examining the relationships between land use composition and ecosystem service indicators under varying weather conditions, the study provides a comprehensive view of how agrobiodiversity can be supported in peri-urban areas. One of the key findings of the study is that the effectiveness of measures to enhance agrobiodiversity can depend significantly on weather conditions. This insight is particularly relevant in the context of climate change, which is expected to alter weather patterns and consequently affect agricultural practices and biodiversity. The study also found that the relationships between land use composition and ecosystem services differ between regions, suggesting that localized strategies are necessary to address the unique challenges and opportunities in each area. This research builds on earlier studies that have demonstrated the importance of biodiversity for ecosystem functioning. For instance, a study on pollinator diversity showed that a diverse pollinator community enhances pollination services, which are crucial for the reproductive success of plants like Raphanus sativus[2]. The presence of social bees, which have higher visitation rates, was found to be particularly beneficial. This finding underscores the value of maintaining diverse pollinator communities to support agricultural productivity and biodiversity. Another relevant study highlighted the role of forests in moderating microclimates, which can mitigate the impacts of macroclimate warming[3]. Forests act as thermal insulators, cooling the understory during hot weather and warming it during cold weather. This ability to buffer temperature extremes can help preserve biodiversity and maintain ecosystem functions, which is essential for sustaining agrobiodiversity in forested and peri-urban landscapes. The Ghent University study also aligns with research on functional agrobiodiversity (FAB) gardens, which serve as interactive tools to gather data on ecosystem services and engage land users in biodiversity conservation[4]. These gardens provide valuable insights into the motivations and interests of different land users, fostering knowledge exchange and increasing their willingness to invest in agrobiodiversity. By incorporating the FAB-garden concept, the study emphasizes the importance of participatory approaches in reinforcing agrobiodiversity. In summary, the Ghent University study highlights the need for a landscape-level perspective to effectively reinforce agrobiodiversity in peri-urban areas. By considering the interactions between different land uses and the influence of weather conditions, the research provides a more holistic understanding of how to support ecosystem services and biodiversity. This approach, combined with insights from previous studies on pollinator diversity, forest microclimates, and FAB gardens, offers a comprehensive strategy for enhancing agrobiodiversity and ensuring the sustainability of agricultural landscapes.

EnvironmentEcologyPlant Science

References

Main Study

1) Consistency of landscape compositional effects on microclimate, arthropods and plant performance across different years and regions

Published 29th July, 2024

https://doi.org/10.1007/s10980-024-01939-4

Related Studies

2) Diverse pollinator communities enhance plant reproductive success.

https://doi.org/10.1098/rspb.2012.1621

3) Global buffering of temperatures under forest canopies.

https://doi.org/10.1038/s41559-019-0842-1

4) A social-ecological framework and toolbox to help strengthening functional agrobiodiversity-supported ecosystem services at the landscape scale.

https://doi.org/10.1007/s13280-020-01382-0


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