Introducción a la Limnología

Presented as a catalogue, the authors provide complete and true information about endangered Mexican Freshwater fishes. A physical and ethological description, the reason of its involvement in the book, preservation state, natural history and ecology, as well as a map with its geographical location in Mexico, and a picture of the specie is provided for each fish. This book is a start point for the knowledge and preservation of the richness of this biological group.

Behind the appearance of an innovative vaccine there is a history of determination and struggle, of breaking established models, and of overcoming the mistrust that generates a new theory. In this book we are going to learn about those stories, the stories of great scientists who fought to prove new theories and are now behind vaccines that save or will save millions of lives. We will experience with them the moment when they discovered that they had defeated a virus. We will travel inside the infectious agents to learn about their ability to gain ground in humans, the biological tools they...

Description et distribution géographique des familles suivantes : Cyperaceae, Sparganiaceae, Typhaceae, Musaceae, Cannaceae, Palmae, Araceae, Lemnaceae, Pontederiaceae.

"In Spanish text, infographics, fun facts, and up-close photos help readers explore the creepy, crawly lives of tarantulas and their important role in the world"--