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Effects of Grazing on Nesting by Upland Sandpipers in Southcentral North Dakota

Appendix


Appendix.  Average grazing periods, stocking densities (head of livestock per ha, hd/ha), grazing rates (animal unit months per ha, AUM/ha), and grazing and non-grazing (rest) schedules for each treatment, North Dakota, 1981-87.
  Treatment Control
Spring
grazing
Autumn
grazing
Autumn-and-spring
grazing
Season-long
grazing
Grazing period Early May-mid Jun Early Sep-mid Oct Early Sep-mid Oct (F)
Early May-mid Jun (S)
Mid Jun-late Sep none
Stocking density
   (hd/ha)
3.7 3.11 A:0.97
S:2.8
1.0  
Grazing rate
   (AUM/ha)
3.1 3.2 A:1.28
S:2.85
2.45  
 
Grazing schedulea
1981 Rest Autumn graze Autumn graze Rest Rest
1982 Spring graze Rest Spring graze Graze Rest
1983 Rest Rest Rest Graze Rest
1984 Rest Autumn graze Rest Graze Rest
1985 Spring graze Rest Autumn graze Graze Rest
1986 Rest Rest Spring graze Rest Rest
1987 Rest Rest Rest Rest Rest
a Each of 3 Waterfowl Production Areas received the same grazing schedule.


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