Natural and Human Interactions: Deforestation Flashcards
Middleton (2008)
Usually natural and human take place together
USA Dust Bowl 1930s
- Desertification over farming, grazing and lack of precipitation
- grazing removed biomass, soil not replenished
Middleton (2008)
deforestation is high, clarity needed on defining forest land
Future of forests depends on abilities to work together
Requirement of investment
Grainger (1993)
governments must invest in sustainable management of forests an create networks of protection ideas
Tollefsen (2013)
Deforestation, brazil have been reduces by 83% since 2004
Adams (1998)
Climate is most powerful determinant of agricultural productivity
Human adaptions will determine the future of farming
affects are not uniform, specific for areas
expected overall balance for coming decades
Rosenthal (2003)
lack of technology to adapt with changes means poorest areas hit hardest
reduction in yields resulting in rising poverty
increasing climate stresses
Chapman (2008)
human threats to soils and soil processes:
-erosion -contamination -acidification -compaction -loss of organic matter -salinisation -loss of biodiversity
soil erosion is detachment of soil matter
FAO (2008)
land degradation reduction of the ability of the land to provide ecosystem goods and ensure its function over a period of time for the beneficiaries of these
IPCC (2010)
Deforestation accounts fro ca 20% of greenhouse gas emissions to this day
ESCC Earth System Science Centre (2011)
decreasing transpiration and lengthening dry season
World Bank (2003)
Climate change will affect land and water condition ultimately affecting agriculture
World Food Summit (2010)
climate change poses massive risk to food security
small scale farmers will suffer greatest
low latitudes will suffer 5-10% if 1C increase
Grace (2008)
Vegetation is reliable on climate
Humans must respond accordingly)
