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Sentinel Landscapes

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by

Tor Vagen

on 14 June 2018

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Transcript of Sentinel Landscapes

Landscape based approaches for studies of ecosystem health at multiple spatial scales
What is a landscape?
physical elements of landforms
water bodies
living elements of land cover
transitory
elements
human elements
Landscape approaches need to capture some or all of these elements...
It's all about perspective and scale!
It's all about perspective and scale!
What's your perspective?
What scale(s) are you working at?
Zonneveld et al., 1990
Landscape complexes described as "ecochores"
Different sub-dimensions --> scales
In landscape ecology...
Large scale
Medium scale
Small scale
Micro scale
BIG PICTURE
Different scale
Different perspective
Different scale
Different perspective
A landscape approach needs to incorporate multiple scales and perspectives
Can be thematically "narrow"
Systematic field sampling protocols
Consistent lab methods
Large spatial databases
Soil samples
collected at fixed depth
The Land Degradation
Surveillance Framework (LDSF)
The Sentinel Landscapes
Global Network of Landscapes
Consistent methods
Comparative studies of
Landscape changes / transitions
Drivers of these changes
Global Forest Cover (2011)
The BIG PICTURE
Land Cover Change
2001 - 2011
Deforestation in the Amazon
Vågen et al. (in prep)
LARGE SCALE
FINER SCALE
How do biophysical conditions and constraints influence human decision making and ultimately development?
Case study: CCAFS villages in Africa.
SL LDSF sites - predicted ecosystem health indicators based on MODIS (preliminary results).
SL sites - part of larger network of LDSF sites
SL sites - part of larger network of LDSF sites
LDSF
baseline data
Soil data
Infiltration
capacity
Remote
sensing data
Other
covariates
Analytical
platform
Biodiversity
Outputs
Outputs
Social / socio-economic data
Tor-G. Vågen, World Agroforestry Centre (ICRAF)
Full transcript