本文概述了涉及水权基础、河道内水权以及《濒危物种法》相关冲突的法律和公共政策问题。还列举了涉及公共信托原则的具体法律案例。

This paper is an outline of legal and public policy issues involving water rights fundamentals, instream water rights, and conflicts concerning the Endangered Species Act. Specific law cases involving the Public Trust Doctrine are also cited.