[Marxan] negative values as costs in MARXAN with Zones

Schroter, Matthias matthias.schroter at wur.nl
Sat Dec 7 01:18:57 EST 2013

Dear MARXAN users,

I just started to use MARXAN with Zones 2.01 and wondered if anyone has gathered experience on the following:

How does MARXAN react if cost values assigned to planning units are negative? I have a problem to solve where conservation of some PU's would not cost money but actually save money, i.e. delivers benefits (or negative costs). When setting a cost threshold and this beneficial areas are included, the cost threshold should thus be increased (or balance of some real costs made).

Thanks a lot in advance!
Best, Matthias

Matthias Schröter
Ph.D. candidate
Wageningen University, Environmental Systems Analysis Group

guest researcher at Norwegian Institute for Nature Research (NINA)
(August to November 2013)

P.O. Box 47, 6700 AA Wageningen, The Netherlands
Telephone: +31 (0) 317 - 48 57 30, Fax: +31 (0) 317 - 41 90 00
matthias.schroter at wur.nl<mailto:matthias.schroter at wur.nl>  -  http://www.esa.wur.nl<http://www.esa.wur.nl/>

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