[R-sig-Geo] Landscape connectivity in R

[Manuel Spínola]

Thank you all.

Grainscape is great, but I think, is not being updated, so I don't know
what is going to happen with the package in the future, so I was looking
for new alternatives.

Manuel



2016-12-13 14:56 GMT-06:00 Chris Reudenbach <reudenbach at uni-marburg.de>:

> Hi Manuel,
>
> Probably you know  better than me that there are tons of papers dealing
> with this question out there. Unfortunately up to my mind your question
> focus a more a conceptual  (as described e.g. by Rudnick et al 2012
> Meiklejohn et al. 2012 or Kindlmann & Burel 2008) than a technical
> problem.  You can easily calculate this suggested metrics and measures
> with some R packages e.g. as the suggested ones. But as far as I got it you
> are looking for R-tools that magically ;-) connect these metrics/locations.
> Technically this is done by network analysis on graphs or cost analysis  on
> raster data.  If you want to do derive corridors the raster concept seems
> to be advantageous  because it provides zones or something like real areas
> (corridors).
>
> If you want to to it on a data set that is bigger than about 700*700
> pixels  and you do not want to rely on grainscape you should risk a glimpse
> on fully developed GIS Software packages like GRASS GIS. It provides
> powerful support for all kind of cost analysis . Your corridor problem is a
> a typical least cost path problem that needs a solid parametrization of the
> friction datasets and and landscape patterns as derived from the typical
> metrics. After this you can define your corridor analysis. If you are
> interested in an applied example you may have a look at github (
> https://github.com/gisma/robubu)  where you find  (among other stuff)  a
> simple example of an R-driven implemetation of a GRASS cost analysis to
> estimate the movement patterns and connectivity corridors of running beetle
> occurrences in high asia.
>
> cheers Chris
>
>
>
>
> On 13.12.2016 21:00, Jérome Mathieu wrote:
>
>> Hi Manuel,
>>
>> Perhaps the package "gdistance" can do what you're looking for.
>>
>> Jerome
>>
>> 2016-12-13 20:43 GMT+01:00 Manuel Spínola <mspinola10 at gmail.com>:
>>
>> Thank you very much Forrest.
>>>
>>> I am looking for something different related to landscape connectivity
>>> (corredor design).  Your suggestion is more for landscape metrics for
>>> what
>>> I usually use the land.metrics function from the SpatialEco package for
>>> that.
>>>
>>> Best,
>>>
>>> Manuel
>>>
>>> 2016-12-13 13:31 GMT-06:00 Forrest Stevens <r-sig-geo at forreststevens.com
>>> >:
>>>
>>> Check out sdmtools if fragstats like patch/class metrics are what you're
>>>> looking for: https://cran.r-project.org/web
>>>> /packages/SDMTools/index.html
>>>>
>>>> Sincerely,
>>>> Forrest
>>>>
>>>> On Tue, Dec 13, 2016 at 1:29 PM Manuel Spínola <mspinola10 at gmail.com>
>>>> wrote:
>>>>
>>>> Dear list members,
>>>>>
>>>>> Is there any R package, besides grainscape, to assess landscape
>>>>> connectivity?
>>>>>
>>>>> Best,
>>>>>
>>>>> Manuel
>>>>>
>>>>> --
>>>>> *Manuel Spínola, Ph.D.*
>>>>> Instituto Internacional en Conservación y Manejo de Vida Silvestre
>>>>> Universidad Nacional
>>>>> Apartado 1350-3000
>>>>> Heredia
>>>>> COSTA RICA
>>>>> mspinola at una.cr <mspinola at una.ac.cr>
>>>>> mspinola10 at gmail.com
>>>>> Teléfono: (506) 8706 - 4662
>>>>> Personal website: Lobito de río <https://sites.google.com/
>>>>> site/lobitoderio/>
>>>>> Institutional website: ICOMVIS <http://www.icomvis.una.ac.cr/>
>>>>>
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>>>>>
>>>>
>>>>
>>> --
>>> *Manuel Spínola, Ph.D.*
>>> Instituto Internacional en Conservación y Manejo de Vida Silvestre
>>> Universidad Nacional
>>> Apartado 1350-3000
>>> Heredia
>>> COSTA RICA
>>> mspinola at una.cr <mspinola at una.ac.cr>
>>> mspinola10 at gmail.com
>>> Teléfono: (506) 8706 - 4662
>>> Personal website: Lobito de río <https://sites.google.com/
>>> site/lobitoderio/>
>>> Institutional website: ICOMVIS <http://www.icomvis.una.ac.cr/>
>>>
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>>>
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>>
>>
> --
> Dr Christoph Reudenbach, Philipps-University of Marburg, Faculty of
> Geography, GIS and Environmental Modeling, Deutschhausstr. 10, D-35032
> Marburg, fon: ++49.(0)6421.2824296, fax: ++49.(0)6421.2828950, web:
> gis-ma.org, giswerk.org, moc.environmentalinformatics-marburg.de
>
>
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>



-- 
*Manuel Spínola, Ph.D.*
Instituto Internacional en Conservación y Manejo de Vida Silvestre
Universidad Nacional
Apartado 1350-3000
Heredia
COSTA RICA
mspinola at una.cr <mspinola at una.ac.cr>
mspinola10 at gmail.com
Teléfono: (506) 8706 - 4662
Personal website: Lobito de río <https://sites.google.com/site/lobitoderio/>
Institutional website: ICOMVIS <http://www.icomvis.una.ac.cr/>

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