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Welcome to the Maxent Google Groups forum. We post and answer questions about species distribution / niche modeling, particularly troubleshooting and best practices for Maxent, workflows in R and ArcGIS, and ecology in general.

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Nov 22

Ecology and Conservation Modeling in ArcGIS

Hi folks, I haven't watched this yet but I wonder if anyone has experience using this workflow or

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Ecology and Conservation Modeling in ArcGIS

Hi folks, I haven't watched this yet but I wonder if anyone has experience using this workflow or

Nov 22

Simon Tarr, … Lays4

Nov 3

Jackknife on variables/environmental predictors

Hey, simon. Did you ever find out a way to jackknife the variables using enmeval? I am going through

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Jackknife on variables/environmental predictors

Hey, simon. Did you ever find out a way to jackknife the variables using enmeval? I am going through

Nov 3

faramarz bozorgomid

Oct 22

Request for Aligned RCP Scenario Data for BCC-CSM2-MR Model (2030 & 2050)

Dear all, I am currently working on modeling with RCP scenarios using the BCC-CSM2-MR model at a 30-

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Request for Aligned RCP Scenario Data for BCC-CSM2-MR Model (2030 & 2050)

Dear all, I am currently working on modeling with RCP scenarios using the BCC-CSM2-MR model at a 30-

Oct 22

Manuel Spínola, … Милош Поповић7

Oct 7

Maxent on areal data (polygons)

Thank you very much Milos. Manuel El sáb, 5 oct 2024 a las 1:26, Милош Поповић (<gpo...@gmail.com

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Maxent on areal data (polygons)

Thank you very much Milos. Manuel El sáb, 5 oct 2024 a las 1:26, Милош Поповић (<gpo...@gmail.com

Oct 7

mgde...@gmail.com, … Pablo García Díaz18

Oct 7

Can BioClim variables be used for a SDM on a small area? Any alternatives?

Hi Pablo, no. I haven't used R much to be honest. It's difficult for old dogs to learn new

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Can BioClim variables be used for a SDM on a small area? Any alternatives?

Hi Pablo, no. I haven't used R much to be honest. It's difficult for old dogs to learn new

Oct 7

Thanh Trang Pham, … Andrés González10

Sep 29

AUC lower than 0.7

Dear all, Here is my result. > predictions <- runif(10000, min = 0, max = 1) > presence <

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AUC lower than 0.7

Dear all, Here is my result. > predictions <- runif(10000, min = 0, max = 1) > presence <

Sep 29

makani...@gmail.com

Sep 12

older environmental data

I have occurrence data with a wide range of dates and looking to make some SDMs to better understand

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older environmental data

I have occurrence data with a wide range of dates and looking to make some SDMs to better understand

Sep 12

Kerim ÇİÇEK, Bede-Fazekas Ákos3

Sep 9

Problem in the paleo-climate dataset

Dear Ákos, Thank you for your prompt reply and recommendation. Have a great week!, Kerim 9.09.2024 11

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Problem in the paleo-climate dataset

Dear Ákos, Thank you for your prompt reply and recommendation. Have a great week!, Kerim 9.09.2024 11

Sep 9

Samuel Schmid, Jamie M. Kass3

Aug 19

Error: memory exhausted (limit reached?) - ENMeval v.2.0.4

Update: options(java.parameters = "-Xmx30g") solved this issue. On Tuesday, February 6,

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Error: memory exhausted (limit reached?) - ENMeval v.2.0.4

Update: options(java.parameters = "-Xmx30g") solved this issue. On Tuesday, February 6,

Aug 19

Aug 19

allocating GPU processing for dismo and ENMeval

Greetings everyone, When generating ENMs with maxent, ENMeval and dismo are my preferred packages. I

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allocating GPU processing for dismo and ENMeval

Greetings everyone, When generating ENMs with maxent, ENMeval and dismo are my preferred packages. I

Aug 19

Jun 26

Cross validation done in whole dataset in maxent?

Hi All, Can anyone please clarify my questions that I posted earlier. Need some clarification

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Cross validation done in whole dataset in maxent?

Hi All, Can anyone please clarify my questions that I posted earlier. Need some clarification

Jun 26

Gebreyohannes Zenebe

Jun 25

Greetings Maxent group, I'm attempting to use the ClimDatDownloadR package in R software to

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Greetings Maxent group, I'm attempting to use the ClimDatDownloadR package in R software to

Jun 25

alq...@gmail.com, … Bede-Fazekas Ákos3

Jun 21

sources for marine data

Hello, one more: 9. Bio-oracle: https://bio-oracle.org/ Have a nice week, Ákos _______________ Ákos

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sources for marine data

Hello, one more: 9. Bio-oracle: https://bio-oracle.org/ Have a nice week, Ákos _______________ Ákos

Jun 21

alq...@gmail.com

Jun 16

help with marine data

Dear List I have a question to the marine modelers. Where can I get global free data for marine

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help with marine data

Dear List I have a question to the marine modelers. Where can I get global free data for marine

Jun 16

Apr 15

Insight into Niche overlap using ECOSPAT

Dear Maxent Team, My question is not about Maxent however, I would post an insight into the niche

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Insight into Niche overlap using ECOSPAT

Dear Maxent Team, My question is not about Maxent however, I would post an insight into the niche

Apr 15

shawkat sohel, Beatriz3

Apr 13

WorldCLIM’s CMIP6 Future Climate models data download errors

Hi Beatriz, Thank you for the suggestions. I need to manage cloud space to run this since I don't

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WorldCLIM’s CMIP6 Future Climate models data download errors

Hi Beatriz, Thank you for the suggestions. I need to manage cloud space to run this since I don't

Apr 13

shawkat sohel, … Gebreyohannes Zenebe7

Apr 12

extracting 19 bioclim variables from single Tiff file of SSP scenerios

Hi All, Thank you so much for your prompt reply. I found a way to extract bioclim variables from

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extracting 19 bioclim variables from single Tiff file of SSP scenerios

Hi All, Thank you so much for your prompt reply. I found a way to extract bioclim variables from

Apr 12

Apr 4

Biomass distribution modeling using Maxent

HI All, Good day. Recently, I was going through a published paper https://link.springer.com/article/

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Biomass distribution modeling using Maxent

HI All, Good day. Recently, I was going through a published paper https://link.springer.com/article/

Apr 4

Rollyna Domingo, … Aditwi6

Mar 25

How to run Maxent on Macbook Air M1

Hello to everyone emailing me through this old email seeking for advise regarding using Maxent or

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How to run Maxent on Macbook Air M1

Hello to everyone emailing me through this old email seeking for advise regarding using Maxent or

Mar 25

Rebecca Stubbs, … Abid Ali14

Mar 20

calculating area of suitable habitat in R

Hi All, This is indeed an interesting topic! Well, I work with rasters and projected models for

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calculating area of suitable habitat in R

Hi All, This is indeed an interesting topic! Well, I work with rasters and projected models for

Mar 20

gafna jeff, bipana sadadev2

Mar 18

Offering help on species modelling using maxent

Please check your mail. Regards, Bipana Maiya Sadadev NRES Grad Student University of Northern

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Offering help on species modelling using maxent

Please check your mail. Regards, Bipana Maiya Sadadev NRES Grad Student University of Northern

Mar 18

yaggy...@gmail.com, … Pritam Chhetri7

Mar 7

extracting all bioclimatic variables from the one .tiff file

Hello! The raster file that gets downloaded is a multiband raster. You have to extract the 19 bioclim

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extracting all bioclimatic variables from the one .tiff file

Hello! The raster file that gets downloaded is a multiband raster. You have to extract the 19 bioclim

Mar 7

Mar 6

Modeling over Null values

Let me explain the problem in more details: I prepare my variable data by masking in ArcMap, and then

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Modeling over Null values

Let me explain the problem in more details: I prepare my variable data by masking in ArcMap, and then

Mar 6

bipana sadadev, … Beatriz6

Feb 10

Future projection

I'm having the same issue projecting future scenarios when I place the future variable folders in

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Future projection

I'm having the same issue projecting future scenarios when I place the future variable folders in

Feb 10

Surajit Hazra, … bipana sadadev9

Feb 8

How to Project future Climate data on Maxent in New version of worldclim

Hi Pritam, Thank you so much for the response. I projected for the future as you said however I am

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How to Project future Climate data on Maxent in New version of worldclim

Hi Pritam, Thank you so much for the response. I projected for the future as you said however I am

Feb 8

Abid Ali, Jamie M. Kass2

Feb 6

Insight into ENMeval Package for Maxent

This is my vignette for ENMeval 2.0. This ENMeval 2.0 vignette will be updated when new versions are

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Insight into ENMeval Package for Maxent

This is my vignette for ENMeval 2.0. This ENMeval 2.0 vignette will be updated when new versions are

Feb 6

Madeleine Noll, Jamie M. Kass2

Feb 6

Predictions in ENMeval

Madeleine, Based on the way ENMeval is structured, it does not return predictions from folds. This is

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Predictions in ENMeval

Madeleine, Based on the way ENMeval is structured, it does not return predictions from folds. This is

Feb 6

Bram Breure, … Marieke van der Meijden5

Feb 6

in case others look up this question like I had, what worked for me was to open the control panel

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in case others look up this question like I had, what worked for me was to open the control panel

Feb 6

Feb 6

Hi everyone, I created a bias file under the assumption that there is a survey bias towards urban

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Hi everyone, I created a bias file under the assumption that there is a survey bias towards urban

Feb 6

Feb 6

Issue with application taking extremely long times

Hello, I'm using the MaxEnt Java applet with some filtered data and the 19 worldclim variables. I

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Issue with application taking extremely long times

Hello, I'm using the MaxEnt Java applet with some filtered data and the 19 worldclim variables. I

Feb 6

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