Atlas Grid Size

To: <>
Subject: Atlas Grid Size
Date: Mon, 06 Apr 98 10:33:15 +1000
     Hello everyone
     Stephen said in an earlier message
     "The issue of grid block size will no doubt be discussed thoroughly at 
     the workshop. 
     Personally, I favour 2.0-minute grids for the reason that you outline 
     above. However, there are some scientists in Canberra who are 
     suggesting much smaller grid blocks in some areas. One suggestion that 
     I heard last week is that some regions be divided into 100 X 100 m 
     grid blocks, particularly in some forest regions to help with RFAs, 
     etc. Although I can see some value in doing this, I think it is 
     unrealistic to expect atlassers to collect data on such a fine scale, 
     and so I will be arguing against doing this, unless I can be convinced 
     it is possible."
     I would agree that the grid block size will be discussed thoroughly at 
     the workshop.
     Just to let everyone know that Canberra Ornithologists Group has been 
     collecting data on its area of interest of the ACT and surrounding 
     region based on a grid size of 2.5 minutes.  This includes data for 
     the ACT Bird Atlas published some years ago.  I understand the 
     Cumberland Bird Observers Club is doing the same thing.  The issue of 
     grid size makes a lot of difference to regional organisations such as 
     these in coming to an arrangement of how regionally co-ordinated 
     atlassing meshes in with the national plan.
     I also understand that there would be strong arguments for using a 
     much larger grid size in much of Australia.
     The concept of a 100m by 100 metre grid blocks for even some areas in 
     a continent the size of Australia needs some careful thought, for a 
     moment at least.
     Paul Fennell
     Canberra Ornithologists Group

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