The effect of forest fragmentation on the soil seed bank of Central Amazonia
Deforestation of tropical forests has contributed to the formation of fragmented landscapes, surrounded mainly by a matrix of secondary forests, pastures and agriculture. In this study we evaluated the fragment-area effects on the density, diversity and composition of the soil seed bank. Fragments o...
| Autor principal: | Sousa, Thaiane R. |
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| Outros Autores: | Costa, Flávia Regina Capellotto, Bentos, Tony Vizcarra, Filho, Niwton Leal, Mesquita, Rita de Cássia Guimarães, Ribeiro, Igor Oliveira |
| Grau: | Artigo |
| Idioma: | English |
| Publicado em: |
Forest Ecology and Management
2020
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| Assuntos: | |
| Acesso em linha: |
https://repositorio.inpa.gov.br/handle/1/17105 |
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oai:repositorio:1-17105 |
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dspace |
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oai:repositorio:1-17105 The effect of forest fragmentation on the soil seed bank of Central Amazonia Sousa, Thaiane R. Costa, Flávia Regina Capellotto Bentos, Tony Vizcarra Filho, Niwton Leal Mesquita, Rita de Cássia Guimarães Ribeiro, Igor Oliveira Agriculture Deforestation Reforestation Soils Anthropic Disturbances Disturbance Gradients Floristic Compositions Forest Fragmentations Forest Fragments Natural Regeneration Non-metric Multidimensional Scaling Seed Bank Forestry Angiosperm Anthropogenic Effect Deforestation Diversity Index Environmental Indicator Floristics Habitat Fragmentation Regeneration Seed Bank Seedling Emergence Soil Ecosystem Species Diversity Tropical Forest Chemical Composition Deforestation Reforestation Amazonia Melastomataceae Deforestation of tropical forests has contributed to the formation of fragmented landscapes, surrounded mainly by a matrix of secondary forests, pastures and agriculture. In this study we evaluated the fragment-area effects on the density, diversity and composition of the soil seed bank. Fragments of primary forest of different sizes (1, 10 and 100 ha) and continuous primary forests were sampled in a region of terra firme forest in Central Amazonia. We collected 180 soil samples (45 samples per treatment), and monitored seedling emergence from the soil seed bank in a greenhouse for seven months. Density of emerged seedlings, floristic composition, richness and diversity of species were compared among treatments with Kruskal-Wallis non-parametric test, Mann-Whitney test, Fisher's Alpha diversity index and Non-metric multidimensional scaling (NMDS). Seedling density was inversely proportional to the size of the fragment, being higher in fragments of 1 ha, 10 ha, and lower in the primary forest and fragments of 100 ha. Diversity was higher in the fragments when compared to the primary forests. Melastomataceae was the most abundant family in all treatments. Species composition changed along the disturbance gradient, and is dominated, in the smaller fragments by species that are indicators of degraded environments. Results suggested that the area of the forest fragments affects the size and composition of the soil seed bank, and can significantly influence the potential resilience and regeneration of these sites in the event of natural or anthropic disturbance. © 2017 Elsevier B.V. 2020-06-15T21:38:54Z 2020-06-15T21:38:54Z 2017 Artigo https://repositorio.inpa.gov.br/handle/1/17105 10.1016/j.foreco.2017.03.020 en Volume 393, Pags. 105-112 Restrito Forest Ecology and Management |
| institution |
Instituto Nacional de Pesquisas da Amazônia - Repositório Institucional |
| collection |
INPA-RI |
| language |
English |
| topic |
Agriculture Deforestation Reforestation Soils Anthropic Disturbances Disturbance Gradients Floristic Compositions Forest Fragmentations Forest Fragments Natural Regeneration Non-metric Multidimensional Scaling Seed Bank Forestry Angiosperm Anthropogenic Effect Deforestation Diversity Index Environmental Indicator Floristics Habitat Fragmentation Regeneration Seed Bank Seedling Emergence Soil Ecosystem Species Diversity Tropical Forest Chemical Composition Deforestation Reforestation Amazonia Melastomataceae |
| spellingShingle |
Agriculture Deforestation Reforestation Soils Anthropic Disturbances Disturbance Gradients Floristic Compositions Forest Fragmentations Forest Fragments Natural Regeneration Non-metric Multidimensional Scaling Seed Bank Forestry Angiosperm Anthropogenic Effect Deforestation Diversity Index Environmental Indicator Floristics Habitat Fragmentation Regeneration Seed Bank Seedling Emergence Soil Ecosystem Species Diversity Tropical Forest Chemical Composition Deforestation Reforestation Amazonia Melastomataceae Sousa, Thaiane R. The effect of forest fragmentation on the soil seed bank of Central Amazonia |
| topic_facet |
Agriculture Deforestation Reforestation Soils Anthropic Disturbances Disturbance Gradients Floristic Compositions Forest Fragmentations Forest Fragments Natural Regeneration Non-metric Multidimensional Scaling Seed Bank Forestry Angiosperm Anthropogenic Effect Deforestation Diversity Index Environmental Indicator Floristics Habitat Fragmentation Regeneration Seed Bank Seedling Emergence Soil Ecosystem Species Diversity Tropical Forest Chemical Composition Deforestation Reforestation Amazonia Melastomataceae |
| description |
Deforestation of tropical forests has contributed to the formation of fragmented landscapes, surrounded mainly by a matrix of secondary forests, pastures and agriculture. In this study we evaluated the fragment-area effects on the density, diversity and composition of the soil seed bank. Fragments of primary forest of different sizes (1, 10 and 100 ha) and continuous primary forests were sampled in a region of terra firme forest in Central Amazonia. We collected 180 soil samples (45 samples per treatment), and monitored seedling emergence from the soil seed bank in a greenhouse for seven months. Density of emerged seedlings, floristic composition, richness and diversity of species were compared among treatments with Kruskal-Wallis non-parametric test, Mann-Whitney test, Fisher's Alpha diversity index and Non-metric multidimensional scaling (NMDS). Seedling density was inversely proportional to the size of the fragment, being higher in fragments of 1 ha, 10 ha, and lower in the primary forest and fragments of 100 ha. Diversity was higher in the fragments when compared to the primary forests. Melastomataceae was the most abundant family in all treatments. Species composition changed along the disturbance gradient, and is dominated, in the smaller fragments by species that are indicators of degraded environments. Results suggested that the area of the forest fragments affects the size and composition of the soil seed bank, and can significantly influence the potential resilience and regeneration of these sites in the event of natural or anthropic disturbance. © 2017 Elsevier B.V. |
| format |
Artigo |
| author |
Sousa, Thaiane R. |
| author2 |
Costa, Flávia Regina Capellotto Bentos, Tony Vizcarra Filho, Niwton Leal Mesquita, Rita de Cássia Guimarães Ribeiro, Igor Oliveira |
| author2Str |
Costa, Flávia Regina Capellotto Bentos, Tony Vizcarra Filho, Niwton Leal Mesquita, Rita de Cássia Guimarães Ribeiro, Igor Oliveira |
| title |
The effect of forest fragmentation on the soil seed bank of Central Amazonia |
| title_short |
The effect of forest fragmentation on the soil seed bank of Central Amazonia |
| title_full |
The effect of forest fragmentation on the soil seed bank of Central Amazonia |
| title_fullStr |
The effect of forest fragmentation on the soil seed bank of Central Amazonia |
| title_full_unstemmed |
The effect of forest fragmentation on the soil seed bank of Central Amazonia |
| title_sort |
effect of forest fragmentation on the soil seed bank of central amazonia |
| publisher |
Forest Ecology and Management |
| publishDate |
2020 |
| url |
https://repositorio.inpa.gov.br/handle/1/17105 |
| _version_ |
1787141482192306176 |
| score |
11.755432 |