The Geographical Distribution of North Dakota Plants
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چکیده
منابع مشابه
Distribution of the Ribbon Leech in North Dakota
The distribution of the ribbon leech, NepMlopsis obscwra, was examined in the Central Lowland and Missouri Coteau regions of North Dakota. The leech was found in 12 of3S ponds sampled during a two-year period. Leeches were trapped with throated metal cans and burlap sacks baited with frozen fish parts. Leech ocamence was positively correlated with maximum depth, mean conductivity, and percent l...
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An accurate knowledge of the areas which, by virtue of their climatic conditions, are fitted for the cultivation of particular crops is of such obvious importance to agriculture that the IMvision of Ornithology and Mammalogy was early led to make a special study of the geographic distribution of the land animals and plants of liorth America; for the boundaries of areas inhabited by native speci...
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ژورنال
عنوان ژورنال: American Journal of Botany
سال: 1920
ISSN: 0002-9122
DOI: 10.2307/2435172