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Tuco-Tucos
This book examines the biology of tuco-tucos (Ctenomys) from an evolutionary perspective. Historically, these subterranean rodents have long attracted the attention of scientists due to its remarkable chromosomes variability and rapid diversification. A wealth of knowledge on physiology, ecology, genetics, morphology, paleontology, and taxonomy has been documented in the last 70 years through numerous single publications. In this volume, expert investigators review and frame these essays with the breadth of current understanding. The collection of chapters are presented into the major topics: i) Evolution of Ctenomys, ii) Geographic Patterns, iii) Organismal Biology, and iv) Environmental Relationships. Given its scope, the book will be of interest to both students and researchers and may stimulate further research with this exciting model on a wide range of evolutionary topics.
Mechanisms Driving Karyotype Evolution and Genomic Architecture
Understanding of the origin of species and their adaptability to new environments is one of the main questions in biology. This is fueled by the ongoing debate on species concepts and facilitated by the availability of an unprecedented large number of genomic resources. Genomes are organized into chromosomes, where significant variations in number and morphology are observed among species due to large-scale structural variants such as inversions, translocations, fusions, and fissions. This genomic reshuffling provides, in the long term, new chromosomal forms on which natural selection can act upon, contributing to the origin of biodiversity. This book contains mainly articles, reviews, and an opinion piece that explore numerous aspects of genome plasticity among taxa that will help in understanding the dynamics of genome composition, the evolutionary relationships between species and, in the long run, speciation.
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Mamíferos do Rio Grande do Sul
O estado do Rio Grande do Sul se localiza em uma região biogeográfica que abarca a divisa entre dois grandes biomas da América do Sul: a Floresta Atlântica e o Pampa. Este fato denota a importância dos estudos realizados, que agregam conhecimentos importantes sobre os mamíferos silvestres, nas diversas localidades do estado. O livro Os mamíferos do Rio Grande do Sul reúne e condensa esse conhecimento sobre os mamíferos, fundamentado nas pesquisas científicas de seus vários autores, cada um em sua especialidade. O livro traz informações que, em seu conjunto e formato, é inédito no Brasil. Todas as ordens de mamíferos são tratadas no livro, inclusive as marinhas, tornando-se um livro referência para estudos mais aprofundados ou para se diagnosticar lacunas de conhecimentos ainda a se preencher.
Mamíferos do Brasil
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