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Ecosystem management
Gestion
590
Écosystèmes
572
Management
342
Biodiversity conservation
222
Ecology
194
Conservation of natural resources
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[Broomall, Pa.?] : U.S. Dept. of Agriculture, Forest Service, Northeastern Area, 1994
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Government Document
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5
Portland, OR : [Washington, D.C.?] : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station ; U.S. Dept. of the Interior, Bureau of Land Management, Station Misc., 1999
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Government Document
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6
London : Academic Press, 2013
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图书
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由 Laevastu, Taivo
Cambridge, MA : Fishing News Books, 1995
Cambridge, MA : Fishing News Books, 1995
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图书
9
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由 Samuelsson, Johan
Uppsala, Sweden : Swedish Threatened Species Unit, 1994
Uppsala, Sweden : Swedish Threatened Species Unit, 1994
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11
12
[S.l.] : UNIVERSIDAD DEL EXTERNADO, 2023
1ST ED.
1ST ED.
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图书
13
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杂志
14
Washington, DC : American Chemical Society, 2008
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图书
15
由 Cleaves, David A., 1948-
Asheville, NC : U.S. Dept. of Agriculture, Forest Service, Southern Research Station, 2000
Asheville, NC : U.S. Dept. of Agriculture, Forest Service, Southern Research Station, 2000
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Government Document
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16
17
由 Jenni, Karen E.
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2021
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2021
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18
Washington : U.S. G.P.O., 2012
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Government Document
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19
[Walla Walla, WA ;] [Boise, ID] : U.S. Dept. of Agriculture, Forest Service : U.S. Dept. of the Interior, Bureau of Land Management, 2000
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20
由 Joseph, S. T.
Ann Arbor, Mich. : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Great Lakes Environmental Research Laboratory, 2009
Ann Arbor, Mich. : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Great Lakes Environmental Research Laboratory, 2009
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Government Document
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