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Jessie Tie Exclosure

1967

2004

Description:

Plate 833X. Jessie Tie Exclosure 1967 – 2004 The five acre Jessie Tie Exclosure was built in 1946 to determine if degraded sagebrush sites in the western part of the St. George Ranger District could be successfully reseeded. Part of the area inside the exclosure was root-plowed and broadcast seeded with crested wheatgrass, while part of the exclosure was left untreated as a control, and a third part was sprayed to kill sagebrush before being reseeded. Within a year or two a good stand of crested wheatgrass had been established on the treated part of the exclosure. By 1962, however, the grass stand had started to thin and high jackrabbit numbers were suspected, as the fenced plot excluded only livestock, not deer or small mammals. Thus, in early 1964, part of the existing exclosure was refenced with chicken wire to exclude rabbits - - this included both treated and untreated areas. Later that same year, the jackrabbit population crashed. The study site has since been abandoned and all fences removed by the Forest Service. Plate 833x is viewed west inside the exclosure. The 1967 photograph shows the difference between the untreated control on the left and the reseeded area on the right. Today, grasses have declined, as sagebrush has reinvaded the former exclosure. Pinyon and juniper have increased in the distance.

Photo Information:

U.S. Forest Service photograph (unnumbered) taken by James F. Rathbun on November 8, 1967; retake by Darrell McMahon on October 15, 2004 - - Photo No. DM-83-10. Original photographs, negatives, and narrative reports held in the range files on the St. George Ranger District, Dixie National Forest, St. George, UT.

Vegetative Community:

Pinyon, Juniper, Sagebrush, Dry Meadow

Location:

South West: Section 30, Range 19 West, Township 36 South; UTM 763522 E, 4168189 N; elevation 6,000 ft.

January 2018