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Published byErika Alberta Beasley Modified over 6 years ago
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Preliminary thoughts/discussion on synthesis of field work information
Unfortunately limited time for data collection and no time for group based analysis Some examples of how things might link together Not a proper analysis as so little time spent, few data collected etc.
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DPSIR
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1. State of soil, water & vegetation resources.
2. Identification of direct & indirect drivers and “chains of explanations” identified as causing the condition of/change in the state of soil, vegetation and water resources. Community & land-user information, secondary info 5. Identification of possible responses (SLM, policy or other) to reduce - impacts and/or promote + impacts. From the analysis Driving Forces Responses 3. Impacts of condition and changes in state of ecosystem services. Biophysical measurements, land-user information, secondary information Direct Pressures Impacts State 4. Explanation & discussion of how the impacts on Ecosystem Services affect livelihoods; explanation of how these differ for different groups of people Community & land-user information 1. State of soil, water & vegetation resources. Snap-shot of current state plus an indication of direction & magnitude of change – the dynamics (+, -). Biophysical measurements + land-user information + secondary info.
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What have we found out over the last two days?
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1. State Soil: low potential but can be used for crops if irrigated;
quite variable; historically degraded as vegetation lost but is it undergoing degradation now? Limited direct importance under current land-use With plans to grow vegetables etc. soil, its management and degradation will be more important
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1. State continued … Vegetation:
View that it is degraded and degrading. We didn’t collect compelling evidence on this in the available time. Land-users claim tree size is increasing and mixed opinions on whether goats etc. are damaging the vegetation. Important to look specifically for young trees
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1. State continued … Water:
Lack of water in the Mendoza (see next slide); water from San Juan river increasing in volume but biologically polluted with city effluent. Strong historical perspective railroad, charcoal, declining population
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Drivers & Pressures Possible responses
Inequitable water allocation policy. It Ignores downstream impacts, favours Relatively wealthy urban farmers Advocacy, improving Rights, equitable access to resources There has been a strong drought recently And all available water in the Mendoza river Is allocated to the city irrigation schemes Discuss water allocation Policy in Mza; are down-stream effects fully considered? Goat farming taken up as selling Manure is quite profitable and few other Options Explore alternatives, look at profitability of Alternatives …..irrigated Prod., off-farm … Overgrazing/overstocking of goats On common property land Encourage stock reductions Land degradation (vegetation)
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Livelihoods characteristics & impacts
Heterogeneity exists … important to understand for targeted support Vulnerability … what causes this? 10 year drought (recent recovery) unequal access rights to resources (water, forest) Pollution in river – import drinking water Rural-urban migration Etc.
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…. Livelihoods characteristics & impacts
Important policies (formal/informal) Water allocation, forest access & utilization Service provision Key capital assets… Natural: goats, sheep, grass, access to wet-lands (grazing, grass for cutting). Human: labour, knowledge, education Social: partnerships, groupings, cooperatives, family and cultural networks Financial: credit Physical: pumps, cars, road access to market etc.
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Impacts of land degradation (LD) and or sustainable land management (SLM) on ecosystem services ……..
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- - - + ? Ecosystem Services Indicator LD impact Production services
Livestock production Numbers of sheep and goats owned, sold, eaten - Wood and non- wood forest products Standing biomass, harvested timber and other products Freshwater Volume of/access to usable water - - Regulating services CO2 sequestration Increases/decreases in above ground biomass and below ground soil organic matter + Erosion regulation/soil protection Reduced severity and extent of erosion on productive lands Water infiltration and groundwater recharge Maintained depth to groundwater Reduced runoff and maintained water bodies- lakes, wetlands Maintained river flow Supporting services Habitat provision Area of suitable habitat for given species Cultural services Recreation and amenity Ecotourism/ recreational opportunities provided ?
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Drivers & Pressures Possible responses
Inequitable water allocation policy. It Ignores downstream impacts, favours Relatively wealthy urban farmers Advocacy, improving Rights, equitable access to resources There has been a strong drought recently And all available water in the Mendoza river Is allocated to the city irrigation schemes Discuss water allocation Policy in Mza; are down-stream effects fully considered? Goat farming taken up as selling Manure is quite profitable and few other Options Explore alternatives, look at profitability of Alternatives …..irrigated Prod., off-farm … Overgrazing/overstocking of goats On common property land Encourage stock reductions Land degradation (vegetation)
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Final thoughts The LADA-L tools cannot replace the more detailed biophysical monitoring programmes in Argentina but could complement them in a number of ways The broad perspective, focus on integration and understanding Drivers, Impacts & Responses could be useful here
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