Approaches to causal chain development
A causal chain should be developed for each priority transboundary problem with its associated environmental impacts and socio-economic consequences. A number of different approaches to CCA have been developed, some more successfully than others. These include:
|
CCA Type |
TDA |
Year |
|
Black Sea Mediterranean Sea Benguela Current LME Bermejo River San Juan River Basin Guinea Current LME Yellow Sea LME |
1996 1997 1999 2000 2000 2005 2007 2010 2011 |
|
|
Bermejo River San Juan River Basin Gulf of Honduras Gulf of Mexico LME Guarani Aquifer |
2000 2000 2003 2005 2005 2006 2006 2007 2007 2007 2007 2008 |
|
|
Text only |
South China Sea Lake Peipsi/Chudskoe Lake Shkoder Iullemeden aquifer |
2000 2005 2006 2007 |
The process of undertaking CCA is not prescriptive – the examples in the table above show that. However, for the purpose of this Manual, a stepwise process used by a number of projects, including: the Black Sea; Kura-Aras River Basin; Dnipro River Basin; Orange-Sengu River Basin; and the Nubian Aquifer is presented in the next section.
