Cattle Selection for Aspen and Meadow Vegetation: Implications for Restoration

Jones, Bobette E.; Lile, David F.; Tate, Kenneth W.

doi:10.2111/rem-d-10-00089.1

Cited by 17 publications

(8 citation statements)

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“…Within conifer-encroached aspen stands however, high soil moisture levels have the potential to be sustained if the site is successfully recolonized by aspen, because mature conifer forests use more water than mature aspen forests [ 8 , 104 ] and because, as a result of higher canopy interception by confers, conifer forests have lower snow water equivalent than deciduous forests [ 8 , 103 , 105 , 106 ]. Elevated soil moisture relative to conifer stands is one of the potential factors causing high diversity and productivity in the herbaceous understory of aspen stands [ 2 , 107 ].…”

Section: Resultsmentioning

confidence: 99%

Aquatic Ecosystem Response to Timber Harvesting for the Purpose of Restoring Aspen

2013

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The removal of conifers through commercial timber harvesting has been successful in restoring aspen, however many aspen stands are located near streams, and there are concerns about potential aquatic ecosystem impairment. We examined the effects of management-scale conifer removal from aspen stands located adjacent to streams on water quality, solar radiation, canopy cover, temperature, aquatic macroinvertebrates, and soil moisture. This 8-year study (2003–2010) involved two projects located in Lassen National Forest. The Pine-Bogard Project consisted of three treatments adjacent to Pine and Bogard Creeks: (i) Phase 1 in January 2004, (ii) Phase 2 in August 2005, and (iii) Phase 3 in January 2008. The Bailey Project consisted of one treatment adjacent to Bailey Creek in September 2006. Treatments involved whole tree removal using track-laying harvesters and rubber tire skidders. More than 80% of all samples analyzed for NO3-N, NH4-N, and PO4-P at Pine, Bogard, and Bailey Creeks were below the detection limit, with the exception of naturally elevated PO4-P in Bogard Creek. All nutrient concentrations (NO3-N, NH4-N, PO4-P, K, and SO4-S) showed little variation within streams and across years. Turbidity and TSS exhibited annual variation, but there was no significant increase in the difference between upstream and downstream turbidity and TSS levels. There was a significant decrease in stream canopy cover and increase in the potential fraction of solar radiation reaching the streams in response to the Pine-Bogard Phase 3 and Bailey treatments; however, there was no corresponding increase in stream temperatures. Macroinvertebrate metrics indicated healthy aquatic ecosystem conditions throughout the course of the study. Lastly, the removal of vegetation significantly increased soil moisture in treated stands relative to untreated stands. These results indicate that, with careful planning and implementation of site-specific best management practices, conifer removal to restore aspen stands can be conducted without degrading aquatic ecosystems.

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Section: Resultsmentioning

confidence: 99%

Aquatic Ecosystem Response to Timber Harvesting for the Purpose of Restoring Aspen

2013

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“…Apart from the differences in palatability between species (Kirby et al, 1994;Darabant et al, 2007), grazing preference also changes over time, together with changes in the availability of forage alternatives and the character of species (e.g. taste, forage value, proportion of leaves; Fitzgerald et al, 1986;Jones et al 2011).…”

Section: Discussionmentioning

confidence: 99%

“…(Fitzgerald et al, 1986) The combination of decreased meadow and aspen understory vegetation quantity and nutritional quality lead to increased utilization on aspen suckers, particularly mid-to lategrowing season. (Jones et al, 2011Fitzgerald et al, 1986;Jones et al, 2011;Smale et al, 2008 Grazer species, breed type, livestock age and level of forest adaptation (cattle may cause damage also by trampling and rubbing, while sheep mostly by grazing)…”

Section: A Future For Livestock Forest Grazing In Conservation and Simentioning

confidence: 99%

“…(Fitzgerald et al, 1986) A grazing regime following the end of the growing season appears to have little effect on tree growth, despite more damage occurring to trees at this time. McAdam 2008) Fitzgerald et al, 1986;Hester et al, 1996;Jones et al, 2011; External factors (e.g. fire, precipitation, slope, herder, distance from herd camp and water availability influence the intensity of grazing)…”

Section: A Future For Livestock Forest Grazing In Conservation and Simentioning

confidence: 99%

“…Annual variation in precipitation and biomass production must be accounted for in grazing strategies, with attention paid to low herbaceous vegetation production years. (Jones et al, 2011Pearson & Whitaker, 1974;Jones et al, 2011; Supporting information 6 No differences between grazed and non-grazed woods in long term as regards growth rate or total ring width…”

Section: A Future For Livestock Forest Grazing In Conservation and Simentioning

confidence: 99%

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Cattle Selection for Aspen and Meadow Vegetation: Implications for Restoration

Cited by 17 publications

References 50 publications

Aquatic Ecosystem Response to Timber Harvesting for the Purpose of Restoring Aspen

Aquatic Ecosystem Response to Timber Harvesting for the Purpose of Restoring Aspen

Beyond the obvious impact of domestic livestock grazing on temperate forest vegetation – A global review

A Century of Practice and Experiences of the Restoration of Land-Use Types and Ecosystems

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