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This map was prepared by IUCN as a contribution to the UNESCO MAB Programme. The main purpose of the work was to devise a satisfactory classification of the world's biotic areas for purposes of conservation. It is the fourth attempt in a series of revisions, updating the previous three works written by Dasmann. |
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This map was prepared by IUCN as a contribution to the UNESCO MAB Programme. The main purpose of the work was to devise a satisfactory classification of the world's biotic areas for purposes of conservation. It is the fourth attempt in a series of revisions, updating the previous three works written by Dasmann. |
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Udvardy, M. D. F. (1975). A classification of the biogeographical provinces of the world. IUCN Occasional Paper no. 18. Morges (Switzerland): IUCN & "World Biogeographical Provinces" (Map). The CoEvolution Quarterly, Sausalito, California. |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Udvardy's map of biogeographical provinces.</SPAN></P><P><SPAN>There are three versions of the dataset present. All are in geographic coordinates, WGS84.</SPAN><SPAN> </SPAN></P><P><SPAN STYLE="font-size:10pt">1. Udvardy_py - the dataset in its original scale</SPAN></P><P STYLE="font-size:16pt"><SPAN STYLE="font-weight:bold;font-size:10pt">2. Udvardy_dcw_py (this dataset) - the dataset after having been fitted to the much more detailed 1:1,000,000 scale ESRI Digital Chart of the World dataset</SPAN></P><P STYLE="font-size:16pt"><SPAN STYLE="font-size:10pt">3. Udvardy_py_buf - dataset 2) buffered to approximately 40 km. This dataset will allow the user to create a detailed dataset by using their own more detailed coastal polygon dataset to clip it.</SPAN></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>1) Adhere to terms and conditions of access, 2) acknowledge the source appropriately, 3) do not re-distribute part or all of data without contacting UNEP-WCMC</SPAN></P></DIV></DIV></DIV> |
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Udvardy's Biogeographical Provinces (fitted to DCW) |
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["Udvardy","Biogeographic","Biome","Realm","global","world"] |
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en-US |
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150000000 |
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