Small Food Web Examples

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Aquatic Food Webs

Author: Andrea Belgrano
language: en
Publisher: Oxford University Press
Release Date: 2005-04-07
This volume provides a current synthesis of theoretical and empirical food web research. Whether they are binary systems or weighted networks, food webs are of particular interest to ecologists in providing a macroscopic view of ecosystems. They describe interactions between species and their environment, and subsequent advances in the understanding of their structure, function, and dynamics are of vital importance to ecosystem management and conservation. Aquatic Food Webs provides a synthesis of the current issues in food web theory and its applications, covering issues of structure, function, scaling, complexity, and stability in the contexts of conservation, fisheries, and climate. Although the focus of this volume is upon aquatic food webs (where many of the recent advances have been made), any ecologist with an interest in food web theory and its applications will find the issues addressed in this book of value and use. This advanced textbook is suitable for graduate level students as well as professional researchers in community, ecosystem, and theoretical ecology, in aquatic ecology, and in conservation biology.
Science Formative Assessment, Volume 2

Deepen scientific understanding with formative assessment! Only by knowing what your students are thinking can you design learning opportunities that deepen content mastery and meet their individual needs. In this highly engaging resource, internationally respected expert Page Keeley shares 50 new techniques to pinpoint student understanding before, during, and after instruction. In addition to promoting best practices in the classroom, the techniques shared here support learning and link instruction to the Next Generation Science Standards. These flexible assessments can be used with any science curriculum, along with Practical strategies for using the techniques throughout the instruction cycle Considerations for implementation and suggestions for modification An explanation of how each technique promotes learning Examples of how the techniques can be used in different content areas An expert in the field of K-12 science education, Page Keeley is the former president of the National Science Teachers Association, a current Board Member of the National Science Education Leadership Association, and has seventeen best-selling books. "Science Formative Assessment, Volume 2 contains a wealth of tools that encourage students to engage in practices such as scientific argumentation and discourse. By emphasizing the alignment of the FACT with Science and Engineering Practices, Keeley provides multiple ways for teachers to monitor more than the disciplinary core ideas being taught." — Susan German, Science Teacher Hallsville R-IV School District, MO "Teachers everywhere are spending a lot of time and energy looking for ways to increase student achievement. Well, the answer is not a big secret, nor is it expensive. Fortunately, Page Keeley has an answer. Improved performance lies in using formative assessments as an integral aspect of a lesson. In this book, Keeley shows how 50 formative assessments can lead to greater student success in science." —Douglas Llewellyn, Professor St. John Fisher College, Rochester, NY Other Books from Corwin and Page Keeley: Keeley, Science Formative Assessment ISBN: 9781412941808 Keeley, Math Formative Assessment ISBN: 9781412968126 Keeley, Science Curriculum Topic Study ISBN: 9781412908924
Ecology and Evolution

"Many of the ideas in this volume appeared in an earlier version in The Galâapagos: JASON Curriculum, 1991 by the National Science Teachers Association."