Ccessibility of this big field of conservation biology.Aija Kukkala and Atte Moilanenwere retrieved within the limits of your library access permissions from the University of Helsinki. We have been able to access around 90 of the 1834 publications discovered by this targeted search, providing us having a database of 1659 PDFs, covering years from 1980 to June, 2011. These publications consisted mainly of key study papers, but in addition of evaluations, opinion pieces, and, to a lesser extent, book chapters and conference papers. Upon inspection, it was found that all except one particular of these studies have been relevant to spatial conservation within the broad sense, demonstrating a fantastic specificity from the search phrase. The targeted search was used as a beginning point for our investigation. A complete text search was applied utilizing the Adobe Acrobat X and PowerGREP tools (Powergrep, 2011), and every single mention with the core terms inside these 1659 PDFs was investigated. As a result, we are able to be confident that a pretty broad literature base was covered completely. Literature chains had been followed outdoors the fundamental set when appropriate. Older articles and books not accessible in electronic text form have been investigated manually. Known prior summaries into SCP or spatial conservation prioritisation were also integrated as beginning points (Margules Pressey, 2000; Justus Sarkar, 2002; Sarkar et al., 2006; Margules Sarkar, 2007; Moilanen, 2008; Moilanen, Wilson Possingham, 2009d; Linke et al., 2011). We investigated each and every term by reviewing its historical heritage, when the term was very first described, how it has been defined and discussed, and how definitions and usage have changed through time. This review includes verbatim quotes from original important publications to avoid blunders in interpretation concerning the original definition. We’ve divided our timeline into 3 phases: (i) the historical period; (ii) the classical period; and (iii) the period of expansion. By the historical period we imply the period from the 1950s towards the end of the 1980s when the tips underlying SCP ideas were forming however the present ideas had not however been explicitly named and defined. By our definition, the classical period (1990s) was when most SCP concepts became firmly named and their early definitions had been discussed. The period from 2000 for the present is described as a period of expansion, reflecting consolidation in the field, a quickly growing publication count, and also a tendency of strategies to come to be far more inclusive of new evaluation options. This period starts from the influential function of Margules Pressey (2000), who formulated an early operational model of SCP, effectively bringing wide recognition for the field.II. Solutions We selected 12 major SCP terms to focus on: adequacy, comprehensiveness, representativeness, representation, complementarity, threat, IMR-1A vulnerability, effectiveness, efficiency, irreplaceability, flexibility, and replacement expense. These are PubMed ID:http://www.ncbi.nlm.nih.gov/pubmed/21337810 all ideas that show prominently in the literature on SCP and spatial prioritisation, but which may have variable definitions. We started our overview by collating complete literature about SCP, spatial conservation prioritisation, spatial optimisation, along with other subjects connected to spatial allocation of conservation work. We searched for citations from Thomson Reuters’ Internet of Science by utilizing the search: subject = [`reserve network’ OR (`reserve design’ AND conservation) OR `reserve selection’ OR `site choice algorithm’ OR ((.