Please use this identifier to cite or link to this item: http://hdl.handle.net/1843/36049
Type: Dissertação
Title: Uma hipótese integradora da especialização ecológica
Authors: Gabriel Moreira Félix Ferreira
First Advisor: Marco Aurélio Ribeiro de Mello
Abstract: For a given species exploiting a range of resources, what is the best strategy: generalism or specialization? This is an old debate in the literature, which has remained unsolved for decades. Recently, we proposed a parsimonious hypothesis, “The integrative hypothesis of ecological specialization” (IHES), which helps solve this dilemma. Here we provide empirical support for this hypothesis and show how it can solve also another debate: nestedness vs. modularity in ecological networks. Using an extensive host-parasite database, we confirmed three major predictions of the IHES: (i) niche homogenization at small scales, (ii) a combined topology in interaction networks, and (iii) scale-dependence of trade-offs and resource breadth processes. By reconciling traditional hypotheses and connecting previously disjointed debates in parasitology and ecology, our hypothesis represents a significant step towards ecological synthesis. Moreover, the IHES is based on three elementary assumptions that also could be true in non-ecological complex systems.
Subject: Ecologia
Ciência
Especialização
language: eng
metadata.dc.publisher.country: Brasil
Publisher: Universidade Federal de Minas Gerais
Publisher Initials: UFMG
metadata.dc.publisher.department: ICB - INSTITUTO DE CIÊNCIAS BIOLOGICAS
metadata.dc.publisher.program: Programa de Pós-Graduação em Ecologia, Conservacao e Manejo da Vida Silvestre
Rights: Acesso Aberto
metadata.dc.rights.uri: http://creativecommons.org/licenses/by-nc-nd/3.0/pt/
URI: http://hdl.handle.net/1843/36049
Issue Date: 20-Feb-2017
Appears in Collections:Dissertações de Mestrado

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