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   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
    Multiple uses of tropical mosaic landscapes    
    Research highlights benefits of wild plants in fallow land and other   
   ecosystems in Madagascar    
      
     Date:   
         July 14, 2023   
     Source:   
         University of Go"ttingen   
     Summary:   
         Many landscapes in the tropics consist of a mosaic of different   
         types of land use. How people make use of these different   
         ecosystems, with their particular plant communities, was unclear   
         until now. Researchers, many of them from Madagascar, have now   
         investigated this. When considering biodiversity, forests often get   
         the most attention. But this research shows that rural households   
         use a wide range of plant species and services provided by many   
         nearby ecosystem types.   
      
      
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   FULL STORY   
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   Many landscapes in the tropics consist of a mosaic of different types of   
   land use. How people make use of these different ecosystems, with their   
   particular plant communities, was unclear until now. Researchers, many of   
   them from Madagascar, have now investigated this in an interdisciplinary   
   Malagasy research project at the University of Go"ttingen. When   
   considering biodiversity, forests often get the most attention. But this   
   research shows that rural households use a wide range of plant species   
   and services provided by many nearby ecosystem types. 285 plant species,   
   almost half of which are found only in Madagascar, are used for food,   
   fodder for livestock, medicine, construction and weaving. Of all the   
   diverse types of land, surprisingly, fallow land is especially important   
   for people. The researchers conclude that there must be a balance between   
   the needs of society and the conservation of species-rich landscapes. The   
   results were published in the journalAmbio.   
      
   The research team interviewed 320 households about their use and the   
   benefits of the main types of land. These include virgin forests,   
   fragments of forest, vanilla agroforestry systems, woody fallow land,   
   herbaceous fallow land and rice fields. The interviews show that virgin   
   forests and forest fragments are important for water regulation, for   
   example. Fallow land and vanilla agroforestry systems provide food,   
   medicine and fodder. People collect the most plants from woody fallow   
   areas, which are then used for firewood and charcoal, for instance. In   
   contrast, they use plants from forest fragments for building and   
   weaving. Fallow land -- contrary to the widespread belief that it is   
   of little value -- makes a major contribution to rural households in   
   Madagascar in terms of health, food and energy supply, as well as animal   
   feed and as a source of building materials.   
      
   The results have important findings for nature conservation: "It is   
   important not just to consider the conservation of the impressive   
   diversity of species on Madagascar, but also the benefits of this   
   species richness for the local population," says first author Dr Estelle   
   Raveloaritiana, whose PhD research was part of this project. Dr Annemarie   
   Wurz, now a postdoctoral researcher at the University of Marburg, and   
   Professor Teja Tscharntke, at Go"ttingen University's Agroecology Group,   
   add: "Nature conservation should take into account the interests of the   
   local population, at the same time as biodiversity-friendly, diverse   
   land management, when designing conservation and development strategies."   
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   Story Source: Materials provided by University_of_Go"ttingen. Note:   
   Content may be edited for style and length.   
      
      
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   Journal Reference:   
      1. Estelle Raveloaritiana, Annemarie Wurz, Kristina Osen, Marie Rolande   
         Soazafy, Ingo Grass, Dominic Andreas Martin, Claudine Bemamy,   
         Hery Lisy Tiana Ranarijaona, Cortni Borgerson, Holger Kreft, Dirk   
         Ho"lscher, Bakolimalala Rakouth, Teja Tscharntke. Complementary   
         ecosystem services from multiple land uses highlight the   
         importance of tropical mosaic landscapes. Ambio, 2023; DOI:   
         10.1007/s13280-023-01888-3   
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   Link to news story:   
   https://www.sciencedaily.com/releases/2023/07/230714131126.htm   
      
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