Welcome to the Distance project website

The Distance project provides software for the design and analysis of distance sampling surveys of wildlife populations. This software takes two forms: a Windows-based program and a suite of packages for the statistical programming language R.

Photos of a polar bear, grouse and lizard, taken by Tiago Marques (bear/lizard) and Steve Buckland (grouse)

News

Introductory workshop 09-20 October 2023

14 August 2023

Registration deadline approaching fast


New versions of Distance and mrds packages

03 August 2023

We are pleased to announce the release of new versions of our R packages Distance and mrds. The new release adds the ability to fit detection functions (CDS and MCDS) using the same optimizer used by Distance for Windows.


Design workshop registration open

02 August 2023

Registration is open for our online workshop on “Practical design and simulation to optimise distance sampling surveys”, to be taught from 28th - 31st August 2023.


Introductory workshop 10-21 July 2023

11 May 2023

Accepting widening participation scholarship applications now; General registration open 23 May 2023


Introductory workshop 20-31 March 2023

27 January 2023

Accepting widening participation scholarship applications now closed


Design and Simulation R packages

12 January 2023

We would like to make you aware that our design and simulation packages (dssd and dsims) are temporarily only available from our development repository on github. Please follow link for instructions on installing them.


New versions of R packages

16 November 2022

We are pleased to announce the imminent release of new versions of our R packages Distance and mrds. The information below will be particularly relevant to users of dht2. We recommend all users of these packages update to the newest versions.


Introductory workshop 09-20 January 2023

24 October 2022

Registration is now open; closing on 30 November 2022


Release of Distance 7.5

07 September 2022

We are pleased to announce the release of a new version of Distance for Windows, Distance 7.5. This version upgrades to use 64 bit R and also contains new versions of our R packages which are also now on CRAN.


Distance workshops autumn 2022

16 August 2022

Registration is now open for our autumn online training workshops, on camera trap distance sampling, methods for when animals are missed on the trackline, and design and simulation.


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