The Increase of the Food Supply for Ducks in Northern Ontario
The Increase of the Food Supply for Ducks in Northern Ontario
G R Mickle
The book The Increase of the Food Supply for Ducks in Northern Ontario was written by author G R Mickle Here you can read free online of The Increase of the Food Supply for Ducks in Northern Ontario book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Increase of the Food Supply for Ducks in Northern Ontario a good or bad book?
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INCREASE OF THE FOOD SUPPLY No. 72 DETAILED DESCRIPTION OF PLANTS BY R. B. THOMSON. As mentioned above I visited Whitewater Lake, near Sudbury, in the latter part of September, 1912, to study . The plant food which the Northern lakes afford for ducks and collect specimens for illustration. With the exceptions noted under the figures, all the specimens shown are from Whitewater Lake. In considering plants as food material it must be recognized that at one season of the year one part of a plant m...ay contain a greater proportion of the food material than at another. For instance, a perennial withdraws its food material from the leaves in the autumn, and stores it in the stem or roots. Again, in the formation of the fruit much of the reserve of food finds its way into this region, the seed usually being packed with starch and other food materials. DESCRIPTION OF PLANTS. As a plant that is an important food for deep water ducks all through the season, first place must be given to the form so successfully introduced into White- water Lake, the so-called Wild Celery of duck hunters, illustrated in Fig.
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