التفاصيل البيبلوغرافية
| العنوان: |
Long-term vegetation responses to climate depend on the distinctive roles of rewilding and traditional grazing systems. |
| المؤلفون: |
Rincon-Madroñero, Marina, Sánchez-Zapata, Jose Antonio, Barber, Xavier, Barbosa, Jomar M. |
| المصدر: |
Landscape Ecology; Jan2024, Vol. 39 Issue 1, p1-14, 14p |
| مصطلحات موضوعية: |
WILDLIFE reintroduction, ECOLOGICAL heterogeneity, GRAZING, SUSTAINABILITY, ECOLOGICAL succession, REMOTE-sensing images |
| مصطلحات جغرافية: |
SPAIN |
| مستخلص: |
Context: The abandonment of traditional practices has transformed agro-pastoral systems, leading to a more frequent occurrence of passive rewilding of Mediterranean landscapes. Reconstructing ecosystem responses to climate under different grazing conditions (i.e., wild, and domestic ungulates) is important to understand the future of these ecosystems. Objectives: Here we study the different roles of domestic and wild herbivory in defining the climate-vegetation interaction. Specifically, we evaluated (1) the effect of climate on primary productivity at the landscape scale and (2) the long-term trends of vegetation biomass in response to passive rewilding or maintenance of traditional grazing systems. Methods: This study was carried out in South-eastern Spain. We used satellite images to generate NDVI time series that proxy primary productivity and vegetation biomass. We combined the NDVI and climate data from two key landscapes: one with wild ungulates and another predominantly with domestic ungulates. Results: We detected a secondary succession process in areas with only wild ungulates. In domestic herbivory areas, vegetation biomass remained constant throughout time (30 years). In domestic herbivory areas temperature and seasonal precipitation affected primary productivity. In areas with only wild herbivory, primary productivity was mainly driven by annual precipitation, and it was less dependent on seasonal precipitation. Conclusion: These results highlight the distinctive roles of herbivores in defining Mediterranean landscapes' adaptability to climate, through passive rewilding or traditional livestock use. Maintaining both ecosystems can enhance landscape heterogeneity and ecological sustainability in a context of climatic changes. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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