Breakdown of green and senescent leaves in Amazonian streams: a case study
Allochthonous organic matter in low-order streams is, in general, mainly composed of senescent leaves. However, in tropical streams green leaves can represent an important source of energy. The present study evaluated the decomposition of green and senescent leaves in Amazonian streams using leaves...
| Autor principal: | Alves, Marcelo |
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| Outros Autores: | Martins, Renato Tavares, Couceiro, Sheyla R.M. |
| Grau: | Artigo |
| Idioma: | English |
| Publicado em: |
Limnology
2020
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| Assuntos: | |
| Acesso em linha: |
https://repositorio.inpa.gov.br/handle/1/23287 |
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oai:repositorio:1-23287 |
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dspace |
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oai:repositorio:1-23287 Breakdown of green and senescent leaves in Amazonian streams: a case study Alves, Marcelo Martins, Renato Tavares Couceiro, Sheyla R.M. Leaf decomposition Organic Matter Riparian Forest Secondary compounds Structural compounds en Allochthonous organic matter in low-order streams is, in general, mainly composed of senescent leaves. However, in tropical streams green leaves can represent an important source of energy. The present study evaluated the decomposition of green and senescent leaves in Amazonian streams using leaves of three plant species: Inga stipularis D.C. 1876, Tococa guianensis Aubl. 1775 and Vochysia ferruginea Mart. 1826. The leaves were incubated for 120 days in four streams in the municipality of Santarém in western Pará State, Brazil. Senescent leaves were collected using nylon nets suspended 1 m above the ground, while green leaves were collected manually, directly from the trees. Green leaves exhibited better nutritional status: higher values for nitrogen and phosphate and lower values for carbon. Toughness and percentages of tannin and lignin of the green and senescent leaves varied among the studied species. Mass loss of green leaves was ~ 3.5 times higher than that of senescent leaves after 120 days. Higher values of phosphate and nitrogen and lower values of carbon, tannin, and lignin in green leaves were fundamental in explaining the difference in decomposition between green and senescent leaves. These differences reinforce the importance of understanding the role of green leaves in aquatic environments. © 2020, The Japanese Society of Limnology. 2020-07-03T21:58:32Z 2020-07-03T21:58:32Z 2020 Artigo https://repositorio.inpa.gov.br/handle/1/23287 10.1007/s10201-020-00626-y en Restrito Limnology |
| institution |
Instituto Nacional de Pesquisas da Amazônia - Repositório Institucional |
| collection |
INPA-RI |
| language |
English |
| topic |
Leaf decomposition Organic Matter Riparian Forest Secondary compounds Structural compounds en |
| spellingShingle |
Leaf decomposition Organic Matter Riparian Forest Secondary compounds Structural compounds en Alves, Marcelo Breakdown of green and senescent leaves in Amazonian streams: a case study |
| topic_facet |
Leaf decomposition Organic Matter Riparian Forest Secondary compounds Structural compounds en |
| description |
Allochthonous organic matter in low-order streams is, in general, mainly composed of senescent leaves. However, in tropical streams green leaves can represent an important source of energy. The present study evaluated the decomposition of green and senescent leaves in Amazonian streams using leaves of three plant species: Inga stipularis D.C. 1876, Tococa guianensis Aubl. 1775 and Vochysia ferruginea Mart. 1826. The leaves were incubated for 120 days in four streams in the municipality of Santarém in western Pará State, Brazil. Senescent leaves were collected using nylon nets suspended 1 m above the ground, while green leaves were collected manually, directly from the trees. Green leaves exhibited better nutritional status: higher values for nitrogen and phosphate and lower values for carbon. Toughness and percentages of tannin and lignin of the green and senescent leaves varied among the studied species. Mass loss of green leaves was ~ 3.5 times higher than that of senescent leaves after 120 days. Higher values of phosphate and nitrogen and lower values of carbon, tannin, and lignin in green leaves were fundamental in explaining the difference in decomposition between green and senescent leaves. These differences reinforce the importance of understanding the role of green leaves in aquatic environments. © 2020, The Japanese Society of Limnology. |
| format |
Artigo |
| author |
Alves, Marcelo |
| author2 |
Martins, Renato Tavares Couceiro, Sheyla R.M. |
| author2Str |
Martins, Renato Tavares Couceiro, Sheyla R.M. |
| title |
Breakdown of green and senescent leaves in Amazonian streams: a case study |
| title_short |
Breakdown of green and senescent leaves in Amazonian streams: a case study |
| title_full |
Breakdown of green and senescent leaves in Amazonian streams: a case study |
| title_fullStr |
Breakdown of green and senescent leaves in Amazonian streams: a case study |
| title_full_unstemmed |
Breakdown of green and senescent leaves in Amazonian streams: a case study |
| title_sort |
breakdown of green and senescent leaves in amazonian streams: a case study |
| publisher |
Limnology |
| publishDate |
2020 |
| url |
https://repositorio.inpa.gov.br/handle/1/23287 |
| _version_ |
1787143420636037120 |
| score |
11.755432 |