Vegetation and Grazing Patterns in Andean Environments: A Comparison of Pastoral Systems in Punas and Páramos

Molinillo, Marcelo; Monasterio, Maximina

doi:10.1201/9781420002874-10

Cited by 11 publications

(3 citation statements)

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“…Though this ecosystem change is a case of ecological succession, there are also likely to be multiple successional paths (Glenn-Lewin and van der Maarel 1992) that constitute Pilpichaca's landscape dynamism. The dynamics of the wetlands and the hypothesized successional trajectories gleaned from the satellite imagery are consistent with Molinillo and Monasterio's (2006) study, which argued that aside from areas of puna, the remainder of their high Andean study area showed "transitional forms between dry flatlands and wetlands" (Molinillo and Monasterio 2006:142).…”

Section: Biophysical Changesupporting

confidence: 69%

Change and Continuity in a Pastoralist Community in the High Peruvian Andes

2008

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Section: Biophysical Changesupporting

confidence: 69%

Change and Continuity in a Pastoralist Community in the High Peruvian Andes

2008

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“…Bofedales are rich in plant species compared to the surrounding vegetation. Small herbs, sedges, and grasses dominate the vegetation cover, which forms thick cushions crosscut with streams (Alzé rreca et al 2007; Molinillo and Monasterios 2007).…”

Section: Study Location and Backgroundmentioning

confidence: 99%

Local Management of Andean Wetlands in Sajama National Park, Bolivia

Villarroel

Mollinedo

Domic

et al. 2014

Mountain Research and Development

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“…It is also important in terms of testing the generality of assumptions based on existing research in recreation ecology, including the impacts of different types of trampling on vegetation. The Andean flora evolved in the absence of large hard-hoofed animals, such as horses and bovids, and may, therefore, be more vulnerable to intensive trampling by these types of animals compared with native grazing mammals, such as the camelids Lama guanicoe and Vicugna vicugna (Molinillo and Monasterio 2006;Villalobos and Zalba 2010). Currently there appear to be only five recreational ecology scientific papers from the whole of the Andes, all of which assessed trail impacts and none of which compared impacts between hikers and pack animals, either on or off trails (Hoffman and Alliende 1982;Marion and Linville 2000;Farrell and Marion 2002;Byers 2009;Barros et al 2013).…”

Section: Introductionmentioning

confidence: 99%

Impacts of experimental trampling by hikers and pack animals on a high-altitude alpine sedge meadow in the Andes

Barros

Pickering

2014

Plant Ecology & Diversity

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Background: Damage to alpine plant communities is likely to occur when hikers and pack animals trample vegetation. Currently, there is limited research that quantifies and compares impacts from these activities. Aims: A manipulative experimental protocol was used to assess damage to alpine meadows by pack animals and hikers in the Aconcagua Provincial Park, Andes, Argentina. Methods: Vegetation height, overall cover, cover of dominant species and species richness were measured immediately after, and 2 weeks after different numbers of passes (0, 25, 100 and 300) by hikers or pack animals in an experiment, using a randomised block design. Results: Pack animals had two to three times the impact of hiking on the meadows, with greater reductions in plant height, the cover of one of the dominant sedges and declines in overall vegetation cover after 300 passes. Impacts of pack animals were also apparent at lower levels of use than for hikers. These differences occurred despite the meadow community having relatively high resistance to trampling due to the traits of one of the dominant sedges (Carex gayana). Conclusions: Pack animals caused more damage than hikers to the alpine meadow, but the scale of the difference in shortterm impacts depends on the characteristics of the plant community, the amount of use and the vegetation parameters measured. Use of the meadows by hikers and pack animals should be minimised as these meadows are scarce, and have high conservation values.

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Vegetation and Grazing Patterns in Andean Environments: A Comparison of Pastoral Systems in Punas and Páramos

Cited by 11 publications

References 0 publications

Change and Continuity in a Pastoralist Community in the High Peruvian Andes

Change and Continuity in a Pastoralist Community in the High Peruvian Andes

Local Management of Andean Wetlands in Sajama National Park, Bolivia

Impacts of experimental trampling by hikers and pack animals on a high-altitude alpine sedge meadow in the Andes

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