Protected areas of biodiversity in South Africa

The results of the biodiversity Network having been run through C-Plan and Marxan by a consultant Grunt Benn. The biodiversity Network takes into account City vegitation types, protea atlas and crew dataand potential threats. National targets were used. The C-Plan and Marxan steps followed in short are as such : 1. Select all high and medium value sites with Irreplaceability =100 2.Run Minset algorithm with only high and medium sites( note one of the tie breaking rules in the minset assessed whether tied sites were located within one of the five corridors City Biodiversity experts mapped) 3. Return low value sites to list of available sites and then select all 100% Irreplaceable sites ( Note : in these three steps all available targets are met ) 4. Moved input data into Maxan, sets all types selected in step 1 and 2 as conserved ( in addition to the existing protected areas). Then run Marxan with a Boundary Length Mdifier selecting from remaining sites to meet outstanding targets. This step is similar to step 3, except for the inclusion of the BML. This step thus selected more sites than a simple C- Plan selection to meet the same outstanding target value. Sites were then characterised into the Critical Biodiversity Area catagories. Layer has been run through C- Plan and Marxan software to prioritise indeginouse vegitation ramnants based on various factors. Threaths to Biodiversity Network included. Alterations done to exclude known developed sites and add left out sites.