Lamb and Wool Provisioning Ecosystem Services in Southern Patagonia

Peri, Pablo Luís; Rosas, Yamina Micaela; Rivera, Emilio Hernan; Pastur, Guillermo Martínez

doi:10.3390/su13158544

Cited by 3 publications

(14 citation statements)

References 31 publications

(47 reference statements)

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“…The mean stocking rate varied significantly from 0.17 PSUE/ha in the Central Plateau ecological area to 0.80 PSUE/ha in the Andean Region (Table 1). Animal yield was higher in the Humid Magellanic Steppe (0.52 g lamb/m 2 /year and 0.16 g greasy wool/m 2 /year) compared with other ecological areas (Table 1), depending on climatic, topographic, and vegetation conditions from sheep farms across Santa Cruz [24]. Mean NPP showed the highest value (294.0 g C/m 2 /year) in the Humid Magellanic Steppe and the lowest value (111.7 g C/m 2 /year) occurred in the Central Plateau's ecological area (Table 1).…”

Section: Resultsmentioning

confidence: 99%

“…We followed the HANPP concept as defined by Haberl et al [13] and Krausmann et [24]); (E) net primary productivity (g C/m 2 /year); high net primary productivity = green, and low net primary productivity = red [32]. Black areas represent NDVI < 0.05, elevation > 1200 m.a.s.l., Nothofagus pumilio, mixed evergreen forests, and natural protected networking areas where there are no livestock.…”

Section: Hanpp and The Relationship Between Plant Biodiversity And Ne...mentioning

confidence: 99%

“…The HANPP was obtained by dividing the sum of biomass used in livestock products (lamb and wool) by NPP. The biomass used in livestock products was derived by multiplying the animal yield of each product (g lamb/m 2 /year or g greasy wool/m 2 /year) [24] by the carbon used during the production of a given product (g C/g lamb or g C/g greasy wool) derived from carbon footprint data [31]. The mean net primary production (NPP) (period 2000-2015) (g C/m 2 /year) was obtained from the MODIS Net Primary Productivity MOD17A3H V6 product [33] (see Table A1 for more details about the data source).…”

Section: Hanpp and The Relationship Between Plant Biodiversity And Ne...mentioning

confidence: 99%

“…The main trade in the Santa Cruz province of Southern Patagonia is extensive sheep production, mostly Merino and Corriedale breeds reared for meat and wool. Production is based on natural grasslands where reproductive efficiency and animal performance is strongly dependent on environmental and management factors [21][22][23][24]. However, in Patagonia, there are more than 73.5 million ha with different degrees of desertification [25] due to a combination of extreme climate conditions and overgrazing in dry steppe areas.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, regarding the long-term local economy, rangeland management should be based on maintaining biodiversity and regulating and supporting ES [6,[27][28][29]. Previous research by Peri et al [24] examined spatially explicit livestock provisioning ES assessments in Patagonia that were used to support decision-making. In this study, we evaluated the importance of HANPP related to livestock production that provides food, wool, income, and employment in areas such as Patagonia.…”

Section: Introductionmentioning

confidence: 99%

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Human Appropriation of Net Primary Production Related to Livestock Provisioning Ecosystem Services in Southern Patagonia

2022

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Human appropriation of net primary productivity (HANPP) integrates ecological and socioeconomic perspectives on land use by quantifying the amount of net primary production (NPP) appropriated by society through biomass harvest from the ecosystem. The main objective of this study was to determine the spatial patterns of HANPP related to lamb and wool production from sheep farms across the province of Santa Cruz. The HANPP was obtained by dividing the sum of the biomass used in livestock products (lamb and wool) by the NPP. In addition, we examined the spatial relationship between HANPP and potential plant biodiversity and net carbon balance at the farm level under livestock land use across our study region. At the regional level, livestock production accounted for an average of 11.35% of appropriated NPP, and HANPP ranged from 0.75 to 50%. The map of HANPP across Santa Cruz showed low values in the vegetation transition (ecotone) between Nothofagus antarctica forests and grasslands in the west, in the south, and in wetlands where the most productive rangelands dominate. High values were observed in the northwest and central areas of the province. There were differences in HANPP across vegetation types with mean values that varied from 3.93% in grasslands on the Humid Magellanic Steppe to 12.33% in the Central Plateau. Simple linear regression analysis for HANPP evaluated in Southern Patagonia showed a negative linear relationship (p < 0.05) with vascular plant biodiversity and net carbon balance at the farm level. The method used to map HANPP related to livestock provisioning ecosystem services (ES) in the present study (lamb and wool), may be integrated into decision support systems. In this context, low HANPP values (<9%) promote sustainability-oriented economies within the region. Furthermore, keeping plant biodiversity and net carbon balance at the farm level could bring Patagonian export commodities recognition in international markets.

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Section: Resultsmentioning

confidence: 99%

Section: Hanpp and The Relationship Between Plant Biodiversity And Ne...mentioning

confidence: 99%

Section: Hanpp and The Relationship Between Plant Biodiversity And Ne...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Human Appropriation of Net Primary Production Related to Livestock Provisioning Ecosystem Services in Southern Patagonia

2022

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Value of Biodiversity on Patagonian Rangeland: Estimation via a Hedonic Price Index

Duarte-Guardia,

Peri,

Martinez-Pastur

et al. 2024

Rangeland Ecology & Management

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Vegetation Type Mapping in Southern Patagonia and Its Relationship with Ecosystem Services, Soil Carbon Stock, and Biodiversity

Peri,

Gaitán,

Díaz

et al. 2024

Sustainability

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Vegetation Type (VT) mapping using Optical Earth observation data is essential for the management and conservation of natural resources, as well as for the evaluation of the supply of provisioning ecosystem services (ESs), the maintenance of ecosystem functions, and the conservation of biodiversity in anthropized environments. The main objective of the present work was to determine the spatial patterns of VTs related to climatic, topographic, and spectral variables across Santa Cruz province (Southern Patagonia, Argentina) in order to improve our understanding of land use cover at the regional scale. Also, we examined the spatial relationship between VTs and potential biodiversity (PB), ESs, and soil organic content (SOC) across our study region. We sampled 59,285 sites sorted into 19 major categories of land cover with a reliable discrimination level from field measurements. We selected 31 potential predictive environmental dataset covariates, which represent key factors for the spatial distribution of land cover such as climate (four), topography (three), and spectral (24) factors. All covariate maps were generated or uploaded to the Google Earth Engine cloud-based computing platform for subsequent modeling. A total of 270,292 sampling points were used for validation of the obtained classification map. The main land cover area estimates extracted from the map at the regional level identified about 142,085 km2 of grasslands (representing 58.1% of the total area), 38,355 km2 of Mata Negra Matorral thicket (15.7%), and about 25,189 km2 of bare soil (10.3%). From validation, the Overall Accuracy and the Kappa coefficient values for the classification map were 90.40% and 0.87, respectively. Pure and mixed forests presented the maximum SOC (11.3–11.8 kg m−2), followed by peatlands (10.6 kg m−2) and deciduous Nothofagus forests (10.5 kg m−2). The potential biodiversity was higher in some shrublands (64.1% in Mata Verde shrublands and 63.7% in mixed shrublands) and was comparable to those values found for open deciduous forests (Nothofagus antarctica forest with 60.4%). The provision of ESs presented maximum values at pure evergreen forests (56.7%) and minimum values at some shrubland types (Mata Negra Matorral thicket and mixed shrubland) and steppe grasslands (29.7–30.9%). This study has provided an accurate land cover and VT map that provides crucial information for ecological studies, biodiversity conservation, vegetation management and restoration, and regional strategic decision-making.

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Lamb and Wool Provisioning Ecosystem Services in Southern Patagonia

Cited by 3 publications

References 31 publications

Human Appropriation of Net Primary Production Related to Livestock Provisioning Ecosystem Services in Southern Patagonia

Human Appropriation of Net Primary Production Related to Livestock Provisioning Ecosystem Services in Southern Patagonia

Value of Biodiversity on Patagonian Rangeland: Estimation via a Hedonic Price Index

Vegetation Type Mapping in Southern Patagonia and Its Relationship with Ecosystem Services, Soil Carbon Stock, and Biodiversity

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