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- Title
Monocultures negatively influence ecosystem services provided by roots, plant litter and soil C stocks in subtropical riparian zones.
- Authors
Teixeira, Cristhian dos Santos; Malysz, Marcelo; Savanciski, Samir; Gayger, Ana Luisa; Artusi, Ághata Comparin; Delevatti, Heliur Alves de Almeida; Decian, Vanderlei Secretti; Petry, Cláudia; Bayer, Cimélio; Sausen, Tanise Luisa
- Abstract
Anthropogenic disturbances associated with land use and land cover changes negatively influence soil organic C, reducing ecosystem functionality. These adverse effects may be even more pronounced in Brazilian subtropical riparian zones due to recent changes in environmental legislation that reduced the size of these protected areas in small scale farms. This study evaluated how different land uses in riparian zones influence ecosystem services related to soil, litter, and roots C and N stocks. The field experiment was carried out in a drainage area with four land uses and cover: forest fragment (FF), plantation forest (PF), pasture (PA), and agriculture (AG). Soil, root, and litter C and N stocks were analyzed. Monocultures (PF, PA, and AG) had lower soil C and N stocks than FF. The FF and PF did not differ in litter and root C content, but FF had higher N values. Differences in the quality of plant residues were associated with a lower soil C: N ratio in FF. The lowest soil C and N stocks were observed in AG sites, and the conversion from AG to PF and PA seems to increase soil C and N stocks. Our findings indicate that, even in small forest patches, the higher quality of organic residues drives soil C and N storage, highlighting the negative effects of vegetation replacement to monocultures in riparian zones. Hence, the maintenance of riparian forests is essential for providing ecosystem services related to soil C and N cycling.
- Subjects
RIPARIAN areas; PLANT litter; ECOSYSTEM services; PLANT-soil relationships; PLANT residues; WATERSHEDS
- Publication
Environment, Development & Sustainability, 2024, Vol 26, Issue 6, p14729
- ISSN
1387-585X
- Publication type
Article
- DOI
10.1007/s10668-023-03214-z