-
1
-
-
0003773649
-
-
World Wildlife Fund-US, Washington, DC
-
(1997)
A conservation assessment of the freshwater ecoregions of North America (draft report)
-
-
Abell, R.1
Olson, D.M.2
Dinerstein, E.3
Walters, S.4
Hurley, P.5
Hedao, P.6
Loucks, C.7
Wettengel, W.W.8
-
3
-
-
0343349722
-
Land resource regions and major land resource areas of the United States
-
Map (scale 1:10,000,000). US Government Printing Office, Washington, DC 82 pp
-
(1965)
Agriculture Handbook 296
-
-
Austin, M.E.1
-
15
-
-
0000549732
-
National hierarchical framework of ecological units
-
M. S. Boyce, and A. Haney (eds.), Ecosystem management: Applications for sustainable forest and wildlife resources. Yale University Press, New Haven, Connecticut
-
(1997)
, pp. 181-200
-
-
Cleland, D.T.1
Avers, P.E.2
McNab, W.H.3
Jensen, M.E.4
Bailey, R.G.5
King, T.6
Russell, W.E.7
-
20
-
-
0003755335
-
-
Report and map (scale 1:7,500,000). Agriculture and Agri-Food Canada, Centre for Land and Biological Resources Research and Environment Canada, State of the Environment Directorate, Ottowa/Hull, Canada, 125 pp
-
(1995)
A national ecological framework for Canada
-
-
-
22
-
-
33847084790
-
Determination of agroecozones in the continental United States
-
Northern Plains Area. USDA, Ft. Collins, Colorado
-
(1996)
Agricultural Research Service Agroecozone Report
-
-
Follett, R.F.1
Arnold, J.2
Brodahl, M.3
Cipra, J.4
Doraiswamy, P.5
Elliot, T.6
Farrell, D.7
Flitcroft, I.8
Killian, K.9
Paustian, K.10
Srinivasan, R.11
Waltman, S.W.12
-
26
-
-
0004040155
-
Agroecology: Ecological processes in sustainable agriculture
-
Ann Arbor Press, Chelsea, Michigan, 337 pp
-
(1998)
-
-
Gliessman, S.R.1
-
28
-
-
33847084765
-
-
The Nature Conservancy, Arlington, Virginia, 126 pp
-
(1998)
International classification of ecological communities: Terrestrial vegetation of the United States, Vol. 1: The national vegetation classification system: Development, status, and applications
, vol.1
-
-
Grossman, D.H.1
Faber-Langendoen, D.2
Weakley, A.S.3
Anderson, M.4
Bourgeron, P.5
Crawford, R.6
Goodin, K.7
Landaal, S.8
Metzler, K.9
Patterson, K.10
Pyne, M.11
Ried, M.12
Sneddon, L.13
-
35
-
-
0001918677
-
Development of regionally based biological criteria in Texas
-
W. S. Davis and T, P. Simon (eds.), Biological assessment and criteria: Tools for water resource planning and decision making. Lewis Publishers, Boca Raton, Florida
-
(1995)
, pp. 145-152
-
-
Hornig, C.E.1
Bayer, C.W.2
Twidwell, S.R.3
Davis, J.R.4
Kleinsasser, R.J.5
Linam, G.W.6
Mayes, K.B.7
-
37
-
-
0002163784
-
Defining biological status by comparing with reference conditions
-
W. S. Davis and T. P. Simon. (eds.), Biological assessment and criteria: Tools for water resource planning and decision making. Lewis Publishers. Boca Raton, Florida
-
(1995)
, pp. 31-47
-
-
Hughes, R.M.1
-
39
-
-
0002663515
-
The relationship of aquatic ecoregions, river basins, and physiographic provinces to the ichthyogeographic regions of Oregon
-
(1987)
Copeia
, vol.2
, pp. 423-432
-
-
Hughes, R.M.1
Rexstad, E.2
Bond, C.E.3
-
44
-
-
0003391529
-
Field guide to forest ecosystem classification for the clay belt, site region 3e
-
Ministry of Natural Resources, Ontario, Canada, 123 pp
-
(1983)
-
-
Jones, R.K.1
-
47
-
-
0003961627
-
-
US Department of Agriculture, Forest Service, Technical Publication R8-TP 21. Map, scale 1:3,500,000
-
(1995)
Ecological units of the eastern United States - First approximation
-
-
Keys J.E., Jr.1
Carpenter, C.A.2
Hooks, S.L.3
Koeneg, F.G.4
McNab, W.H.5
Russell, W.E.6
Smith, M.L.7
-
53
-
-
0001441062
-
Correspondence between spatial patterns in fish assemblages in Ohio streams and aquatic ecoregions
-
(1986)
Environmental Management
, vol.10
, Issue.6
, pp. 815-828
-
-
Larsen, D.P.1
Omernik, J.M.2
Hughes, R.M.3
Rohm, C.M.4
Whitier, T.R.5
Kinney, A.J.6
Gallant, A.L.7
Dudley, D.R.8
-
56
-
-
0002908173
-
A protocol for satellite-based land cover classification in the upper Midwest
-
J. M. Scott and T. H. Tear (eds.), Gap analysis: A landscape approach to biodiversity planning. American Society for Photogrammetry and Remote Sensing, Bethesda, Maryland
-
(1996)
, pp. 103-118
-
-
Lillesand, T.M.1
-
58
-
-
0029531447
-
Seasonal land-cover regions of the United States
-
(1995)
Annals of the Association of American Geographers
, vol.5
, Issue.2
, pp. 339-355
-
-
Loveland, T.R.1
Merchant, J.W.2
Brown, J.F.3
Ohlen, D.O.4
Reed, B.C.5
Olsen, P.6
Hutchinson, J.7
-
59
-
-
0004310649
-
Interpreting the state soil geographic data base
-
M. F. Goodchild, L. T. Steyaert, B. O. Parks, C. Johnston, D. Maidment, M. Crane, and S. Glendinning (eds), Ft. Collins, Colorado, 486 pp
-
(1996)
GIS and environmental modeling: Progress and research issues. GIS World Books
, pp. 49-52
-
-
Lytle, D.J.1
Bliss, N.B.2
Waltman, S.W.3
-
60
-
-
0004351737
-
Soils of the United States - Part III
-
Atlas of American agriculture: Physical basis including land relief, climate, soils, and natural vegetation. US Department of Agriculture, US Government Printing Office, Washington, DC
-
(1935)
, pp. 2-98
-
-
Marbut, C.F.1
-
61
-
-
0004221663
-
Distribution of the great soils groups, US Department of Agriculture, Bureau of Chemistry and Soils 1:8,000,000 scale. Plate 2
-
Atlas of American agriculture: Physical basis including land relief, climate, soils, and natural vegetation. US Government Printing Office, Washington, DC
-
(1931)
-
-
Marbut, C.F.1
Marschner, F.J.2
-
75
-
-
0001891071
-
Ecoregions: A spatial framework for environmental management
-
W. S. Davis and T. P. Simon (eds.), Biological assessment and criteria: tools for water resource planning and decision making. Lewis Publishers. Boca Raton, Florida
-
(1995)
, pp. 49-62
-
-
Omernik, J.M.1
-
78
-
-
0002589741
-
Spatial scale and patterns of species-environment relationships in hardwood forests of the North Carolina piedmont
-
(1990)
Coenoses
, vol.5
, pp. 79-87
-
-
Palmer, M.W.1
-
82
-
-
0002192830
-
The common denominator in land classification in Canada: An ecological approach to mapping
-
(1980)
Forest Chronicle
, vol.56
, pp. 19-20
-
-
Rowe, J.S.1
-
91
-
-
3342955053
-
Land resource regions and major land resource areas of the United States
-
US Department of Agriculture, Soil Conservation Service. US Government Printing Office, Washington, DC, 156 pp. and map
-
(1984)
Agriculture Handbook 296
-
-
-
97
-
-
4243522366
-
-
Soil survey investigations report US Department of Agriculture, Natural Resources Conservation Service, National Soil Survey Center, Lincoln, Nebraska (in press)
-
(1999)
Soil ratings for plant growth
-
-
-
102
-
-
0004227215
-
Major forest types: The national atlas of the United States
-
Washington, DC
-
(1967)
US Geological Survey
-
-
-
112
-
-
0003785310
-
Major land resource areas of Uganda
-
US Department of Agriculture, Soil Management Support Services; Agency for International Development; World Soil Resources; and US Department of Agriculture, Soil Conservation Service, Washington, DC, 218 pp., 1:1,000,000-scale map
-
(1990)
Report to USAID/Kampula
-
-
Yost, D.1
Eswaran, H.2
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