Questions tagged [habitat-modeling]

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4
votes
0answers
35 views

Quantifying similarity between two independent areas?

I'm assessing areas for suitability for species relocations, so essentially I'm looking to quantify how similar a possible relocation site is to a source site in several metrics. The species may ...
0
votes
1answer
26 views

Why do moving window neighborhood analysis when building habitat model using ArcGIS Desktop?

I am currently developing a habitat model within ArcGIS Desktop for coyotes as a final project. One of the papers I read for my research did something similar, but they used a moving neighborhood ...
1
vote
0answers
53 views

BIOMOD2: error message: Error in .local(sp, env, …) : object 'mask.tmp' not found

I am trying to model a plant species (composed by 298 occurrences) with BIOMOD2 using the consensus landcover as explanatory variables. However, R shows me an error message during the formatting of ...
0
votes
0answers
11 views

Resampling categorical habitat variables to larger size in ArcGIS

I want to resample by land use variables (wetlands, waterbodies, roads, tilled areas, beach habitat) to 200m cell size from 15m cell size. However when I resample, the cells are not consistent across ...
1
vote
2answers
28 views

SDM: Dealing with coarse environmental data

I wish to determine the most important environmental covariates controlling a species distribution. I have a large collection of species presence data for a small survey area (e.g., 600 presence ...
0
votes
1answer
124 views

Join CSV data to a raster file in QGIS

I am trying to join three data files to a raster grid: I have environmental data in the centre of each grid cell (delimited text layer), Sightings (delimited text layer), effort points (delimited ...
1
vote
0answers
34 views

Modelling habitat heterogeneity in space: R function

I'm working on spatial landscape simulations and I would like to simulate a landscape where habitat quality varies in space. I did already some simulations assuming a landscape with higher habitat ...
0
votes
1answer
163 views

Running MaxEnt modelling in “dismo” using “loop” and storing the results in seperate objects and folders [closed]

I am doing a MaxEnt modelling using "dismo". I am using a loop to give multiple runs. I wanted to save results from individual runs in separate objects and at the same time the results from individual ...
2
votes
1answer
118 views

Calculating habitat openness from digital elevation models (DEM)?

I have digital elevation models (DEM) of an area and want to calculate habitat openness. Can anyone help calculating habitat openness from a digital elevation models (DEM)? I tried the Package '...
1
vote
0answers
243 views

Downscaling 1km data to 250m with points

I am doing some species distribution modeling with MODIS 250m data, and would like to downscale 30 arc-second (1km) bioclim data to 250m so that I can use them in my models. My idea is this: Rather ...
0
votes
1answer
557 views

Export KML from google earth engine

I'm using google earth engine to do some simple habitat classification and now want to export the result as a KML or KMZ. When I run this code it is layer 2 that I want to export - the habitat ...
1
vote
0answers
38 views

Seasonal changes in habitat use from radio tracking data - how to analyse?

I've been given some data to analyse on deer movements. I have data for the movements of 10 deer over a year period. There are 35 GPS locations per dear for each season (4 seasons). I would like to ...
2
votes
0answers
171 views

Calculate percentage coverage datapoints

I have about 8000 datapoints of giraffe observations and would like to calculate the surface of the area they spend 90% of their time in. Anyone who can help me with solving this question? I use ...
1
vote
0answers
36 views

Resampling raster based on more than 16 nearest cells?

I have a habitat suitability map, with cells of 30x30, each with a score of relative suitability for fox. The problem is that, with 30x30 cells, the grain is too fine for getting a broad sense of what ...
2
votes
1answer
538 views

MCP Home range analysis alternative to Animove in QGIS

Can some recommend to me a plugin for doing a MCP/Kernal density and grid cell analysis for home range analysis, one that is not Animove, because I have problems with setting Animove up, which is ...
1
vote
0answers
25 views

Filtering a polygon by area with multiple iterations?

I am currently working on a habitat conservation map in ArcGIS 10.3. I want to filter out smaller areas from my polygon layer, but as I'm not sure what the appropriate habitat patch size is for this, ...
3
votes
0answers
394 views

Mapping habitat suitability using ArcGIS for Desktop? [closed]

I have been having somewhat of an issue recently with one of my projections. I am currently trying to map out the preferable habitat for a species in Arcgis. To do this, I performed a GLMM in R and ...
1
vote
0answers
124 views

Defining regions with certain size using polygon layer as input in ArcGIS for Desktop? [closed]

I'm working with ArcGIS 10.3 and have a project where I'm trying to define how may breeding habitats of a species that can fit into a specified area. I have a polygon layer with suitable habitat in ...
1
vote
1answer
1k views

Styles for Vector layers on QGIS [closed]

I'm trying to do some habitat suitability modelling on QGIS. I've downloaded several vector maps from Ordinance Survey (OS). So far I've found a Cartographic stylesheet for "OS VectorMap Local". This ...
1
vote
1answer
176 views

Convert an object of class MCHu into a ShapeFile or to SpatialPolygonsDataFrame

I was creating Local Convex Hull Home Ranges in R with the adehabitat package and am unable to figure out how to convert them into Shape files to use in ArcMap. The methods I've tried seem to require ...
1
vote
0answers
92 views

Should i use cell registered or grid registered bathymetric data in QGIS?

I am planning on calculating habitat volume over great ocean distances and have the choice to use either Grid or cell registered data, downloadable from this link. http://ngdc.noaa.gov/mgg/global/...
6
votes
3answers
2k views

Cutting out depth information in raster. Calculating volume in Qgis

I am trying to calculate habitat volume for around 30 fish stocks in Qgis. I have habitat areas (shape files) and Bathymetric information (.tif file). I believe I can calculate the entire volume of ...