Libros de Biología, página 82 de 609

La obra es una invitación para conocer el entorno extremeño de Navalvillar desde su botánica

Despite their potentially adverse effects on nontarget species and the environment, insecticides remain a necessity in crop protection as well as in the reduction of insect-borne diseases. The Toxicology and Biochemistry of Insecticides provides essential insecticide knowledge required for the effective management of insect pests. Continuing as the sole book in more than two decades to address this multifaceted field, the Second Edition of this highly praised review on insecticide toxicology has been greatly expanded and updated to present the most current information on:Systemic classification of insecticidesHow insecticides function at the molecular level and newly discovered modes of actionInsecticide resistance, molecular mechanisms, fitness costs, reversion, and management of resistanceVarious bioassay methods including the interpretation of probit analysisMolecular mechanisms of insecticide selectivityMajor biochemical mechanisms involved in the transformation of insecticidesFate of insecticides in the environment and the sublethal effects of insecticides on wildlifeNewly developed insecticides, including the addition of more microbial insecticides in keeping with current integrated pest management (IPM) approachesIncorporating extensive reference lists for further reading, The Toxicology and Biochemistry of Insecticides, Second Edition is an ideal textbook for students of entomology, plant medicine, insecticide toxicology, and related agricultural disciplines. It is also a valuable resource for those involved in insecticide research, environmental toxicology, and crop protection.

La capacidad de movimiento ha intrigado desde siempre al ser humano, ya sea en referencia a sí mismo a otros animales. Y de los tres grandes tipos de locomoción que normalmente se distinguen (terrestre, acuatica y aerea), el vuelo ha sido, sin lugar a dudas, el mas intrigante. El estudio de la locomocion ha tenido un desarrollo en las ultimas decadas especialmente impactante gracias a las nuevas metodologias electronicas de estudio del movimiento, aunque tambien han contribuido a ello los avances en fisiologia muscular y en el conocimiento de los materiales biologicos. A lo largo de estas paginas veremos las diferentes adaptaciones que han permitido a los animales, en especial a los vertebrados, poder moverse sobre el suelo, en el aire y en el agua. A pesar de las diferencias entre los tres grandes tipos de locomocion, la problematica es parecida: moverse implica un sistema motor que genere fuerza y energia. A partir de ahi el proceso adaptativo, regido por la seleccion natural, tendera a optimizar las soluciones.

"Con más de 350 dinosaurios y animales prehistóricos, esta enciclopedia abarca desde el período Pérmico hasta el Cuaternario. Cada entrada explica la anatomía, tamaño, hábitat, dieta, patrones de cr

Genomes 4 has been completely revised and updated. It is a thoroughly modern textbook about genomes and how they are investigated. As with Genomes 3, techniques come first, then genome anatomies, followed by genome function, and finally genome evolution. The genomes of all types of organism are covered: viruses, bacteria, fungi, plants, and animals including humans and other hominids. Genome sequencing and assembly methods have been thoroughly revised including a survey of four genome projects: human, Neanderthal, giant panda, and barley. Coverage of genome annotation emphasizes genome-wide RNA mapping, with CRISPR-Cas 9 and GWAS methods of determining gene function covered. The knowledge gained from these techniques forms the basis of the three chapters that describe the three main types of genomes: eukaryotic, prokaryotic (including eukaryotic organelles), and viral (including mobile genetic elements). Coverage of genome expression and replication is truly genomic, concentrating on the genome-wide implications of DNA packaging, epigenome modifications, DNA-binding proteins, non-coding RNAs, regulatory genome sequences, and protein-protein interactions. Also included are applications of transcriptome analysis, metabolomics, and systems biology. The final chapter is on genome evolution, focusing on the evolution of the epigenome, using genomics to study human evolution, and using population genomics to advance plant breeding. Established methods of molecular biology are included if they are still relevant today and there is always an explanation as to why the method is still important. Each chapter has a set of short-answer questions, in-depth problems, and annotated further reading. There is also an extensive glossary. Genomes 4 is the ideal text for upper level courses focused on genomes and genomics.

The Evolution of Molecular Biology: The Search for the Secrets of Life provides the historical knowledge behind techniques founded in molecular biology, also presenting an appreciation of how, and by whom, these discoveries were made. It deals with the evolution of intellectual concepts in the context of active research in an approachable language that accommodates readers from a variety of backgrounds. Each chapter contains a prologue and epilogue to create continuity and provide a complete framework of molecular biology. This foundational work also functions as a historical and conceptual supplement to many related courses in biochemistry, biology, chemistry, genetics and history of science. In addition, the book demonstrates how the roots of discovery and advances-and an individual's own research-have grown out of the history of the field, presenting a more complete understanding and context for scientific discovery.

La biodiversité des invertébrés d’eau douce, qui comprennent notamment des insectes, des crustacés et des mollusques, est très élevée dans les eaux courantes ou stagnantes. Très sensibles aux perturb

Mammals inhabit nearly every continent and every sea. They have adapted to life underground, in the frozen Arctic, the hottest deserts, and every habitat in-between. In Mammalogy Techniques Lab Manualthe only field manual devoted to training the next generation of mammalogistsbiologist and educator James M. Ryan details the modern research techniques todays professionals use to study mammals wherever they are found.Ideal for any mammalogy or wildlife biology course, this clear and practical guide aids students by getting them outside to study mammals in their natural environments. Twenty comprehensive chapters cover skull and tooth identification, radio and satellite GPS tracking, phylogeny construction, mark and recapture techniques, camera trapping, museum specimen preparation, optimal foraging, and DNA extraction, among other topics. Each chapter includes several exercises with step-by-step instructions for students to collect and analyze their own data, along with background information, downloadable sample data sets (to use when it is not practical to be out in the field), and detailed descriptions of useful open-source software tools.This pragmatic resource provides students with real-world experience practicing the complex techniques used by modern wildlife biologists. With more than 60 applied exercises to choose from in this unique manual, students will quickly acquire the scientific skills essential for a career working with mammals.