A recent nationwide USEPA study found that 56% of the stream segments with water resource degradation had a reduced fishery potential because of chemical problems however, 50% were impaired by degradation in physical habitat ...

With the exception of Chapter 2, which provides a vivid overview of the Illinois landscape, the remaining chapters are organized under two general themes. The first theme centers on change that has occurred since INHS’ ...

This book is intended to provide an up-to-date list of known crayfish species from the state of Kentucky. Distribution maps, illustrations, photos, and a key are provided to assist those interested in identifying Kentucky ...

This directory provides a centralized list of the systematists, ecologists, and field biologists who live or conduct research in Illinois. While a number of professional societies have membership lists, there has been no ...

Since its establishment in 1894, the Havana research site of the Illinois Natural History Survey has been identified by a confusing array of names. It is fitting, therefore, that at the dedication of the expanded and ...

Appendix A: County index for sampled atlas blocks ; Appendix B: Summary of atlas data by block ; Appendic C: Summary of atlas data by county ; Appendix D: Summary of atlas data by species ; Appendix E: Summary of breeding ...

This guidebook has been written primarily for wetland managers in Illinois, and therefore is somewhat technical in nature. Users who will benefit most from this guide are those who have a background in botany, biology, ...

Encourages students to explore a biologicla problem and its impact on society and the environment.