An Ecological Survey of Isle Royale, Lake Superior
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In our eReader you can find the full English version of the book. Read An Ecological Survey of Isle Royale, Lake Superior Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book An Ecological Survey of Isle Royale, Lake Superior
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The first is Packard's "Forest Insects," and the second is Felt's "Insects Affecting Park and Woodland Trees." A few suggestions are added as to methods of ecological collecting which may aid similar surveys. When the time for a suiwey is limited some system of ecologic trapping will prove of great advantage. Thus for aquatic beetles traps, like those planned by Needham, may be very useful; and still others are needed for the ground fauna and those frequenting trees and shrubs. Sweeping and bea...ting as usually prac- ticed, while securing many species, certainly produce little ecological data. It may be suggested that systems of trapping may be devised which will contribute much valuable ecological information.
160 MICHIGAN SURVEY, 1908.
III. The Succession of Beetle Associations.
The subject of succession is a relatively new one in entomology. The only other paper treating of beetle succession known to the writer is that by Shelford ('07). Our points of view are very similar but have been independently conceived.
What to read after An Ecological Survey of Isle Royale, Lake Superior?
You can find similar books in the "Read Also" column, or choose other free books by Gleason, Henry A. (Henry Allan), 1882-1975 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The first is Packard's "Forest Insects," and the second is Felt's "Insects Affecting Park and Woodland Trees." A few suggestions are added as to methods of ecological collecting which may aid similar surveys. When the time for a suiwey is limited some system of ecologic trapping will prove of great advantage. Thus for aquatic beetles traps, like those planned by Needham, may be very useful; and still others are needed for the ground fauna and those frequenting trees and shrubs. Sweeping and bea...ting as usually prac- ticed, while securing many species, certainly produce little ecological data. It may be suggested that systems of trapping may be devised which will contribute much valuable ecological information.
160 MICHIGAN SURVEY, 1908.
III. The Succession of Beetle Associations.
The subject of succession is a relatively new one in entomology. The only other paper treating of beetle succession known to the writer is that by Shelford ('07). Our points of view are very similar but have been independently conceived.
What to read after An Ecological Survey of Isle Royale, Lake Superior?
You can find similar books in the "Read Also" column, or choose other free books by Gleason, Henry A. (Henry Allan), 1882-1975 to read onlineMoreLess
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