Dissertation/ Thesis
Perfilhamento como estratégia ecológica de espécies arbóreas: representatividade, padrões evolutivos e impacto na coleta de dados em florestas tropicais ; Resprouting as an ecological strategy by tree species: representativity, evolutionary patterns and impact on data collection in tropical forests
| العنوان: | Perfilhamento como estratégia ecológica de espécies arbóreas: representatividade, padrões evolutivos e impacto na coleta de dados em florestas tropicais ; Resprouting as an ecological strategy by tree species: representativity, evolutionary patterns and impact on data collection in tropical forests |
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| المؤلفون: | Souza, Cléber Rodrigo de |
| المساهمون: | Santos, Rubens Manoel dos, Brandão, Renata Dias Françoso, Morel, Jean Daniel, Rezende, Vanessa Leite, Souza, Fernanda Coelho de |
| بيانات النشر: | Universidade Federal de Lavras Programa de Pós-Graduação em Engenharia Florestal UFLA brasil Departamento de Ciências Florestais |
| سنة النشر: | 2021 |
| المجموعة: | Repositório Institucional da Universidade Federal de Lavras (RIUFLA) |
| مصطلحات موضوعية: | Florestas tropicais sazonalmente secas, Florestas tropicais ombrófilas, Florestas tropicais semideciduais, Nicho de persistência, Sinal filogenético, Tamanho mínimo de inclusão, Método de inclusão, Ecologia florestal, Perfilhamento, Seasonally dry tropical forests, Tropical rainforests, Semideciduous tropical forests, Persistence niche, Phylogenetic sign, Minimum inclusion size, Inclusion method, Forest ecology, Resprouting, Recursos Florestais e Engenharia Florestal |
| الوصف: | Resprouting, which consists of the emission of stems by trees after disturbances, is one of the most common ecological strategies in tree communities. Through resprouting, the individual increases its chances of survival by improving the resources obtaining as he has already established hydraulic and root systems. Thus, resprouting is understood as a regeneration strategy that opposes regeneration from seeds and seedlings. Although resprouting is widely present in tropical forests, little is known about its representativeness, ecological patterns, which are the main determining factors and how this strategy can influence the sampling of tree communities. Here these issues were explored in two papers. The first one explores the patterns of ecological representativeness of resprouting in dry tropical forests, also evaluating which are its main determinants (taxonomic identity vs. environment) and whether there is a phylogenetic structuring in its expression in genera (phylogenetic sign). We used two resprouting variables: the frequency, which consists of the relationship between the number of resprouted trees and the total number of individuals; and the average number of stems per tree. Our results indicate that species with low and medium resprouting frequency are the most representative species in these forests, in which it can be adopted or not as a strategy of persistence in the community due to the local restriction. We also found that resprouting variables are mainly determined by taxonomic identity, so that resprouting varies within a limit determined by the species' patterns. Finally, we did not find a phylogenetic sign for the two variables, which suggests that the phylogenetic structuring of these characteristics is mainly associated with processes of evolutionary convergence between distant lineages and evolutionary divergence between close lineages. In the second, we evaluate how methodological choices (minimum size of inclusion and method of inclusion) impact the sampling of four vegetational ... |
| نوع الوثيقة: | thesis |
| وصف الملف: | application/pdf |
| اللغة: | Portuguese |
| Relation: | SOUZA, C. R. de. Perfilhamento como estratégia ecológica de espécies arbóreas: representatividade, padrões evolutivos e impacto na coleta de dados em florestas tropicais. 2021. 97 p. Tese (Doutorado em Engenharia Florestal) – Universidade Federal de Lavras, Lavras, 2021.; http://repositorio.ufla.br/jspui/handle/1/46243 |
| الاتاحة: | http://repositorio.ufla.br/jspui/handle/1/46243 |
| Rights: | acesso aberto |
| رقم الانضمام: | edsbas.7B9CAECB |
| قاعدة البيانات: | BASE |
| الوصف غير متاح. |