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Pielou describes the natural history of fresh water--a vital ingredient of the natural world--exploring its sources and destinations, how it moves over and under the earth, and how it ends up in the atmosphere. 81 line drawings.
The fascinating story of how a harsh terrain that resembled modern Antarctica has been transformed gradually into the forests, grasslands, and wetlands we know today.
This book is a practical, portable guide to all of the Arctic's natural history—sky, atmosphere, terrain, ice, the sea, plants, birds, mammals, fish, and insects—for those who will experience the Arctic firsthand and for armchair travelers who would just as soon read about its splendors and surprises. It is packed with answers to naturalists' questions and with questions—some of them answered—that naturalists may not even have thought of.
Perfect for reminders, calendar notes, homework notes, name tags, and much more! Each pad features 50 acid-free, lignin-free sheets and measures approx. 6" x 7.5". Available in a variety of prints, notepads are an essential addition to any teacher's desk!
A detailed introduction to the methods used by ecologists--classification and ordination--to clarify and interpret large, unwieldy masses of multivariate field data. Permits ecologists to understand, not just mechanically use, pre-packaged programs for multivariate analysis. Demonstrates these techniques using artificial data simple enough for every analytical step to be understood.
Indices of diversity and evenness; Species abundance distribuition; Teting hypotheses about species abundances; Divesity and spatial pattern; Diversity on environmental gradients; Determinats of diversity: Local factors.
Examines the evolution of life on a constantly changing planet and the results of that process. Explores new insights from plate tectonics; from deep ocean life investigations; from island biogeography; from growing knowledge about past geography, climates and ecology; and from development in evolutionary theory will interest `outdoor' biologists of all kinds, ecologists, students of evolution, oceanographers, paleontologists, and geographers. With numerous maps and diagrams and a bibliography of over 300 references.
Population dynamics; Spatial patterns in one-species populations; Spatial relations of two or more species; Many-species populations.
The northern coniferous forests are the most extensive in the world, covering large tracts across the boreal regions of North America, Europe, and Asia. This updated edition (1st ed., CH, Dec'88, 26-2133) provides an overview of these forests from the perspective of North America. Pielou (The Energy of Nature, CH, Oct'01, 39-0997; Fresh Water, CH, Mar'99, 36-3926) discusses the types of trees present, the interactions of trees with other organisms, and the fate of forests in a changing environment. The book is aimed at general readers, who might include interested amateurs or students in an introductory forestry course. It introduces tree taxonomy and identification along with commentary on ...