Environmental Engineering Reference
In-Depth Information
800
CE
BH
EBA
700
MC
CPD
G200
600
HBWA
FF
LW
500
400
300
200
100
0
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
Year
Note: Codes as in Figure 2.1. Growth measured by number of citations (in parentheses)
of the primary (most cited) reference for each global conservation prioritization recorded
in the Web of Science (accessed 23 December 2009, searching comprehensively using 'Cited
Reference Search').
Figure 2.2
Growth of attention to global biodiversity conservation
prioritization
al., 2000). Although attempts have been made to summarize conservation
planning strategies by scale (Redford et al., 2003), no one has considered
them within the framework of conservation planning generally (Margules
and Pressey, 2000). We review the published concepts and methods behind
global biodiversity conservation prioritization, assess the remaining chal-
lenges and highlight how this synthesis can already inform allocation of
globally l exible resources.
Global prioritization in context
A framework of 'irreplaceability' relative to 'vulnerability' is central to
conservation planning theory (Margules and Pressey, 2000). Conservation
of all components within such a framework - 'representation' of
biodiversity - is not antagonistic to prioritization, as some have argued
(Schmidt, 1996). Rather, the latter is a subset of the former; representa-
tion identii es everything that biodiversity conservation aims to preserve,
whereas prioritization identii es what it aims to preserve i rst (Ginsberg,
1999). Importantly, in the conservation context, prioritization is quite
distinct from, and should not be confused with, triage. Prioritization
 
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