Changes of Phylogenetic and Taxonomic Diversity of Odonata (Insecta) in Response to Land Use in Amazonia
Changes in natural habitats for human use can alter the distribution of biodiversity, favoring species that are more tolerant to environmental disturbance. Usually, these species comprise clades of habitat generalists, which have biological mechanisms to colonize environments with different environm...
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| Format: | Article |
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MDPI AG
2021-08-01
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| Series: | Forests |
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| Online Access: | https://www.mdpi.com/1999-4907/12/8/1061 |
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| author | Fernando Geraldo de Carvalho Leandro Duarte Gabriel Nakamura Guilherme Dubal dos Santos Seger Leandro Juen |
| author_facet | Fernando Geraldo de Carvalho Leandro Duarte Gabriel Nakamura Guilherme Dubal dos Santos Seger Leandro Juen |
| author_sort | Fernando Geraldo de Carvalho |
| collection | DOAJ |
| description | Changes in natural habitats for human use can alter the distribution of biodiversity, favoring species that are more tolerant to environmental disturbance. Usually, these species comprise clades of habitat generalists, which have biological mechanisms to colonize environments with different environmental conditions. However, such effects are still poorly understood for most biological groups, such as the Amazon odonates. Therefore, this study aims to evaluate the effects of land use along an environmental gradient on the phylogenetic and taxonomic diversity of Odonata in the Amazon. We tested the following hypotheses: In deforested areas (e.g., pasture for cattle, palm plantation, and logging), the Odonata community will be more taxonomically and phylogenetically impoverished than in forested areas. We assume that the modification of the natural habitat causes loss of specialist forest species and favors specialist species of open areas and/or habitat generalists. Data sampling was performed in 195 streams under different land-use types: livestock areas, palm monoculture, timber exploitation, and forest areas taken as reference sites. Our results showed that anthropogenic impacts affected the phylogenetic diversity of odonates and the increase in shrub vegetation was related to the increase in the phylogenetic diversity of communities. On the other hand, shrub vegetation is indicative of disturbed areas, where secondary vegetation predominates, with less canopy cover due to the absence or discontinuity of the native tree cover in these habitats. Nonetheless, species richness and abundance were not related to the effects of anthropogenic land use. Finally, our results suggest that the phylogenetic diversity of Amazonian odonates is related to riparian vegetation structure. |
| first_indexed | 2024-03-10T08:47:56Z |
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| id | doaj.art-996e4de181464ea2bdd8b90679025e8f |
| institution | Directory Open Access Journal |
| issn | 1999-4907 |
| language | English |
| last_indexed | 2024-03-10T08:47:56Z |
| publishDate | 2021-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Forests |
| spelling | doaj.art-996e4de181464ea2bdd8b90679025e8f2023-11-22T07:42:58ZengMDPI AGForests1999-49072021-08-01128106110.3390/f12081061Changes of Phylogenetic and Taxonomic Diversity of Odonata (Insecta) in Response to Land Use in AmazoniaFernando Geraldo de Carvalho0Leandro Duarte1Gabriel Nakamura2Guilherme Dubal dos Santos Seger3Leandro Juen4Programa de Pós-graduação em Ecologia, Universidade Federal do Pará-UFPA, Rua Augusto Correia, No Bairro Guamá, Belém 66075-110, BrazilLaboratório de Ecologia Filogenética e Funcional, Departamento de Ecologia, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9500, Porto Alegre 91501-970, BrazilLaboratório de Ecologia Filogenética e Funcional, Departamento de Ecologia, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9500, Porto Alegre 91501-970, BrazilLaboratório de Ecologia e Sistemática de Plantas, Centro de Estudos Costeiros, Limnológicos e Marinhos (CECLIMAR), Departamento Interdisciplinar, Universidade Federal do Rio Grande do Sul, Av. Tramandaí 976, Imbé 95625-000, BrazilPrograma de Pós-graduação em Ecologia, Universidade Federal do Pará-UFPA, Rua Augusto Correia, No Bairro Guamá, Belém 66075-110, BrazilChanges in natural habitats for human use can alter the distribution of biodiversity, favoring species that are more tolerant to environmental disturbance. Usually, these species comprise clades of habitat generalists, which have biological mechanisms to colonize environments with different environmental conditions. However, such effects are still poorly understood for most biological groups, such as the Amazon odonates. Therefore, this study aims to evaluate the effects of land use along an environmental gradient on the phylogenetic and taxonomic diversity of Odonata in the Amazon. We tested the following hypotheses: In deforested areas (e.g., pasture for cattle, palm plantation, and logging), the Odonata community will be more taxonomically and phylogenetically impoverished than in forested areas. We assume that the modification of the natural habitat causes loss of specialist forest species and favors specialist species of open areas and/or habitat generalists. Data sampling was performed in 195 streams under different land-use types: livestock areas, palm monoculture, timber exploitation, and forest areas taken as reference sites. Our results showed that anthropogenic impacts affected the phylogenetic diversity of odonates and the increase in shrub vegetation was related to the increase in the phylogenetic diversity of communities. On the other hand, shrub vegetation is indicative of disturbed areas, where secondary vegetation predominates, with less canopy cover due to the absence or discontinuity of the native tree cover in these habitats. Nonetheless, species richness and abundance were not related to the effects of anthropogenic land use. Finally, our results suggest that the phylogenetic diversity of Amazonian odonates is related to riparian vegetation structure.https://www.mdpi.com/1999-4907/12/8/1061Amazonian streamsBrazilian Amazonian Forestloss of natural habitatlandscape structurephylogenetic structure |
| spellingShingle | Fernando Geraldo de Carvalho Leandro Duarte Gabriel Nakamura Guilherme Dubal dos Santos Seger Leandro Juen Changes of Phylogenetic and Taxonomic Diversity of Odonata (Insecta) in Response to Land Use in Amazonia Forests Amazonian streams Brazilian Amazonian Forest loss of natural habitat landscape structure phylogenetic structure |
| title | Changes of Phylogenetic and Taxonomic Diversity of Odonata (Insecta) in Response to Land Use in Amazonia |
| title_full | Changes of Phylogenetic and Taxonomic Diversity of Odonata (Insecta) in Response to Land Use in Amazonia |
| title_fullStr | Changes of Phylogenetic and Taxonomic Diversity of Odonata (Insecta) in Response to Land Use in Amazonia |
| title_full_unstemmed | Changes of Phylogenetic and Taxonomic Diversity of Odonata (Insecta) in Response to Land Use in Amazonia |
| title_short | Changes of Phylogenetic and Taxonomic Diversity of Odonata (Insecta) in Response to Land Use in Amazonia |
| title_sort | changes of phylogenetic and taxonomic diversity of odonata insecta in response to land use in amazonia |
| topic | Amazonian streams Brazilian Amazonian Forest loss of natural habitat landscape structure phylogenetic structure |
| url | https://www.mdpi.com/1999-4907/12/8/1061 |
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