Effect of Defoliation Intensity on Regrowth of Tallgrass Prairie

Tate, Kenneth W.; Gillen, Robert L.; Mitchell, Ronald L.; Stevens, R.

doi:10.2307/4002838

Cited by 3 publications

(2 citation statements)

References 25 publications

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“…25 yr. Production responses of these grasses well might be different if plants are defoliated multiple times (Trlica et al 1977;Zhang and Romo 1994;Busso and Richards 1995). More intense and (or) more frequent defoliation might suppress production longer than that observed here because defoliation history plays important roles in determining ANPP (Mullahey et al 1991;Turner et al 1993;Tate et al 1994). Given that ANPP for northern wheatgrass in Years 1 and 2 was not statistically different from the nondefoliated controls on all landform elements after all months of defoliation suggests this grass can be grazed annually, provided there is one defoliation event per year.…”

Section: Discussionmentioning

confidence: 72%

Above-Ground Net Primary Production for Elymus lanceolatus and Hesperostipa curtiseta After a Single Defoliation Event

Pantel

Romo

Bai

2011

Rangeland Ecology & Management

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Above-ground net primary production (ANPP) of northern wheatgrass (Elymus lanceolatus [Scribn. & J. G. Sm.] Gould) and western porcupine grass (Hesperostipa curtiseta [Hitchc.] Barkworth) was determined after defoliation to a 7.5 cm stubble height on five landform elements in the Northern Mixed Prairie that had been ungrazed for. 25 yr. Landform elements included north aspect-concave slopes, north aspect-convex slopes, south aspect-concave slopes, south aspect-convex slopes, and level uplands. ANPP was determined for 2 yr after defoliating plots

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Section: Discussionmentioning

confidence: 72%

Above-Ground Net Primary Production for Elymus lanceolatus and Hesperostipa curtiseta After a Single Defoliation Event

Pantel

Romo

Bai

2011

Rangeland Ecology & Management

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“…Conversely, less intense and frequent defoliation may enable plains rough fescue to recuperate its production potential sooner. The ANPP responses observed after defoliation must also be viewed with the stipulation that the location where this research was conducted had not been grazed for 25 yr. Defoliation history (Mullahey et al 1991;Turner et al 1993;Tate et al 1994) may also modify responses in ANPP following defoliation. For example, heavily and repeatedly grazed range dominated by mountain rough fescue may require several years to recover (McLean and Tisdale 1972).…”

Section: Implications For Conserving Plainsmentioning

confidence: 99%

Above-ground net primary production of plains rough fescue [Festuca hallii (Vasey) Piper] after a single defoliation on five landform elements

2011

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Pantel, A., Romo, J. T. and Bai, Y. 2011. Above-ground net primary production of plains rough fescue [ Festuca hallii (Vasey) Piper] after a single defoliation on five landform elements. Can. J. Plant Sci. 91: 689–696. Above-ground net primary production (ANPP) was determined for plains rough fescue [Festuca hallii (Vasey) Piper] following a single defoliation to 7.5 cm stubble height on five landform elements in the Northern Mixed Prairie. The landform elements included north aspect-concave slopes, north aspect-convex slopes, south aspect-concave slopes, south aspect-convex slopes, and level uplands. Above-ground net primary production was determined for 2 yr after defoliating plants in May through November. Above-ground net primary production after defoliation was not dependent on landform elements in the first (P=0.23) and second years (P=0.22) after defoliation. In the first year after June through September defoliation, ANPP was reduced 29 to 41% (P <0.01), whereas May, October, or November defoliation had no significant effect on ANPP. Above-ground net primary production did not vary significantly (P=0.61) among months of defoliation in the second year after defoliation. Less ANPP in the first year after June through September defoliation indicates the need for ≥1 yr of deferred use to allow plants to regain their production potential. Unaffected ANPP after May, October, or November defoliation suggests plains rough fescue can be grazed annually. Recuperation of ANPP after defoliation depends on the month of the year in which plains rough fescue is defoliated, but not on landform elements in the Northern Mixed Prairie.

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Success of C4 Photosynthesis in the Field: Lessons from Communities Dominated by C4 Plants

Knapp¹,

Medina²

1999

C4 Plant Biology

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Effect of Defoliation Intensity on Regrowth of Tallgrass Prairie

Cited by 3 publications

References 25 publications

Above-Ground Net Primary Production for Elymus lanceolatus and Hesperostipa curtiseta After a Single Defoliation Event

Above-Ground Net Primary Production for Elymus lanceolatus and Hesperostipa curtiseta After a Single Defoliation Event

Above-ground net primary production of plains rough fescue [Festuca hallii (Vasey) Piper] after a single defoliation on five landform elements

Success of C4 Photosynthesis in the Field: Lessons from Communities Dominated by C4 Plants

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