The analysis author's пpabok to the second edition of the textbook general hydrobiology the academician Sergey Alekseevich Zernov (to the 135-anniversary from birthday of the author)

In clause(article) the briefbiography of the outstanding scientist and a history of creation of his(its) basic work - the textbook General hydrobiology is given. The comparative analysis author's npaвок to 2-мy to the edition of the textbook is lead (carried out). The role of this book for students and scientific, practically or sea research sea and fresh-water reservoirs is shown. Work is devoted to the 135-anniversary from birthday of the author.