Description:Excerpt from Bottom Trawl Explorations in Green Bay of Lake Michigan, 1963-65 Figure 2.-availability of alewives to bottom trawls in Green Bay by depth and month April December. Figures illustrate the catch rate of alewives at 5-fathom depth intervals. Alewives were lacking in all drags in April, and catches were light in May. By June, ale wives were spawning, and the catch rate was highest at 5 fathoms and declined sharply below 15 fathoms. The best catch rate in July was obtained at 10 fathoms. During August, fish could be taken at all depths, but the largest concentrations were at 15 fathoms. In October and November, alewives were scattered at all depths, and large concentrations on the bottom were difficult to find. During December, most alewives were in the deeper waters of the bay few were found in shallower depths. Alewives apparently move out of Green Bay into deep water in Lake Michigan in January and do not return until May. Commercially significant catche s (500 pounds or more per half hour) were made on every cruise from June through December. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Bottom Trawl Explorations in Green Bay of Lake Michigan, 1963-65 (Classic Reprint). To get started finding Bottom Trawl Explorations in Green Bay of Lake Michigan, 1963-65 (Classic Reprint), you are right to find our website which has a comprehensive collection of manuals listed. Our library is the biggest of these that have literally hundreds of thousands of different products represented.
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Bottom Trawl Explorations in Green Bay of Lake Michigan, 1963-65 (Classic Reprint)
Description: Excerpt from Bottom Trawl Explorations in Green Bay of Lake Michigan, 1963-65 Figure 2.-availability of alewives to bottom trawls in Green Bay by depth and month April December. Figures illustrate the catch rate of alewives at 5-fathom depth intervals. Alewives were lacking in all drags in April, and catches were light in May. By June, ale wives were spawning, and the catch rate was highest at 5 fathoms and declined sharply below 15 fathoms. The best catch rate in July was obtained at 10 fathoms. During August, fish could be taken at all depths, but the largest concentrations were at 15 fathoms. In October and November, alewives were scattered at all depths, and large concentrations on the bottom were difficult to find. During December, most alewives were in the deeper waters of the bay few were found in shallower depths. Alewives apparently move out of Green Bay into deep water in Lake Michigan in January and do not return until May. Commercially significant catche s (500 pounds or more per half hour) were made on every cruise from June through December. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Bottom Trawl Explorations in Green Bay of Lake Michigan, 1963-65 (Classic Reprint). To get started finding Bottom Trawl Explorations in Green Bay of Lake Michigan, 1963-65 (Classic Reprint), you are right to find our website which has a comprehensive collection of manuals listed. Our library is the biggest of these that have literally hundreds of thousands of different products represented.