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Distribution of Fishes in the Red River of the North Basin on Multivariate Environmental Gradients

The Species-environment Relationship


Table 7. Data used for correlations among species richness (S) and watershed are (A), stream length (L), and average annual discharge in cubic feet per second (cfs) of 26 streams in the Red River basin. Discharge data were from U.S. Geological Survey (USGS) gauging stations for various years.

Stream
S
A
L
Average Annual Discharge
(mi2)
(mi)
USGS
Years
(cfs)
Roseau River
44
1570
159
05112000
1917-91
273.0
Two Rivers
29
1112
108
05097500
05094000
1941-51
1929-91
197.31
Tamarac River
22
333
41
05091500
1945, 19542
66.9
Middle River
17
324
46
05087500
1945-91
38.1
Snake River
17
464
43
05088000
1945, 1953-562
35.9
Clearwater River
49
1370
180
05078500
1909-91
310.0
Red Lake River
62
4600
608
05079000
1901-91
1115.0
Sandhill River
36
484
69
05069000
1943-91
70.6
Wild Rice River, MN
52
1653
211
05064000
1944-91
259.0
Buffalo River
50
1189
150
05062000
1931-91
132.0
Pelican River
50
482
49
05040500
1910-12, 1943-80
79.4
Otter Tail River
69
1561
158
05046000
1931-91
319.0
Rabbit River
18
321
21
05051000
1942-51
36.0
Mustinka River
17
869
62
05049000
1920-24, 1933-36, 1939-1958
48.8
Bois de Sioux River
22
1150
34
05050000
1942-91
80.1
Wild Rice River, ND
23
2233
161
05053000
1932-93
73.7
Rush River
20
304
38
05060500
1946-93
9.4
Maple River
30
1146
155
05059700
1956-93
41.8
Sheyenne River
53
5690
329
05059500
1903-93
180.0
Elm River
22
510
61
05062200
1956-63, 1981
2.2
Goose River
27
1280
186
05066500
1931-93
70.9
Turtle River
27
613
61
05083000
1945-70
50.3
Forest River
32
1016
74
05085000
1944-93
47.1
Park River
34
1010
128
05090000
1931-93
55.2
Tongue River
16
479
33
05101000
1952-82
21.4
Pembina River
32
1870
73
05100000
1903-93
189.0

1 Average discharge for both gauging stations combined.
2 Average discharge for months April - July of each year only.

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