Isopod Box Simple

Isopod Box Simple preview image

1 collaborator

Default-person ERIK SCULLY (Author)

Tags

animal behavior 

Tagged by ERIK SCULLY about 2 years ago

biology 

Tagged by ERIK SCULLY about 2 years ago

habitat preference9 

Tagged by ERIK SCULLY about 2 years ago

habitat preferenceP 

Tagged by ERIK SCULLY about 2 years ago

habitat preferenceb 

Tagged by ERIK SCULLY about 2 years ago

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Click to Run Model

globals
[
  sand
  soil
  sand-bark
  soil-bark
  preferred
]

to setup
  clear-all
  ;; set colors for substrate and shelter and set sections based on user choices
  ;; set colors for the substrate options
  set sand brown
  set soil gray
  set sand-bark brown + 2
  set soil-bark brown + 3

  ;; next two lines set up section 1 for either sand or soil for section 1
  if section-1 = "sand" [ ask patches with [pxcor >= 0 and pycor >= 31] [ set pcolor sand ]]
  if section-1 = "soil" [ ask patches with [pxcor >= 0 and pycor >= 31] [ set pcolor soil ]]
  ;; next lines set up section-1 for sand + bark
  if section-1 = "sand-bark" [ ask patches with [pxcor >= 0 and pycor >= 31] [ set pcolor sand ]]
  if section-1 = "sand-bark" [ ask patches with [ pxcor >= 11 and pxcor <= 20  and pycor >= 33 and pycor <= 38  ][set pcolor sand-bark]]
  ;; next lines set up section-1 for the soil + bark choice
  if section-1 = "soil-bark" [ ask patches with [pxcor >= 0 and pycor >= 31] [ set pcolor soil ]]
  if section-1 = "soil-bark" [ ask patches with [ pxcor >= 11 and pxcor <= 20  and pycor >= 33 and pycor <= 38  ][set pcolor soil-bark]]

  ;; the next lines set up the sand or soil choices for section 2
  if section-2 = "sand" [ask patches with [pxcor >= 0 and pycor >= 21 and pycor <= 30 ] [ set pcolor sand ]]
  if section-2 = "soil" [ask patches with [pxcor >= 0 and pycor >= 21 and pycor <= 30 ] [ set pcolor soil ]]
  ;; set sand-bark choices for section 2
  if section-2 = "sand-bark" [ask patches with [pxcor >= 0 and pycor >= 21 and pycor <= 30 ] [ set pcolor sand ]]
  if section-2 = "sand-bark" [ ask patches with [ pxcor >= 11 and pxcor <= 20  and pycor >= 23 and pycor <= 28  ][set pcolor sand-bark]]
  ;; set soil-bark choice for section 2
  if section-2 = "soil-bark" [ask patches with [pxcor >= 0 and pycor >= 21 and pycor <= 30 ] [ set pcolor soil ]]
  if section-2 = "soil-bark" [ ask patches with [ pxcor >= 11 and pxcor <= 20  and pycor >= 23 and pycor <= 28  ][set pcolor soil-bark]]

  ;; set conditions for section 3
  if section-3 = "sand" [ask patches with [pxcor >= 0 and pycor >= 11 and pycor <= 20 ] [ set pcolor sand ]]
  if section-3 = "soil" [ask patches with [pxcor >= 0 and pycor >= 11 and pycor <= 20 ] [ set pcolor soil ]]
  ;; set sand-bark choices for section 3
  if section-3 = "sand-bark" [ask patches with [pxcor >= 0 and pycor >= 11 and pycor <= 20 ] [ set pcolor sand ]]
  if section-3 = "sand-bark" [ ask patches with [ pxcor >= 11 and pxcor <= 20  and pycor >= 13 and pycor <= 18  ][set pcolor sand-bark]]
  ;; set soil-bark choice for section 3
  if section-3 = "soil-bark" [ask patches with [pxcor >= 0 and pycor >= 11 and pycor <= 20 ] [ set pcolor soil ]]
  if section-3 = "soil-bark" [ ask patches with [ pxcor >= 11 and pxcor <= 20  and pycor >= 13 and pycor <= 18  ][set pcolor soil-bark]]

  ;; set conditions for section 4
  if section-4 = "sand" [ask patches with [pxcor >= 0 and pycor >= 0 and pycor <= 10] [ set pcolor sand ]]
  if section-4 = "soil" [ask patches with [pxcor >= 0 and pycor >= 0 and pycor <= 10] [ set pcolor soil ]]
  ;; set sand-bark choices for section 4
  if section-4 = "sand-bark" [ask patches with [pxcor >= 0 and  pycor <= 10] [ set pcolor sand ]]
  if section-4 = "sand-bark" [ask patches with [ pxcor >= 11 and pxcor <= 20 and pycor >= 3 and pycor <= 8  ][set pcolor sand-bark]]
  ;; set soil-bark choice for section 3
  if section-4 = "soil-bark" [ask patches with [pxcor >= 0 and pycor <= 10] [ set pcolor soil ]]
  if section-4 = "soil-bark" [ ask patches with [ pxcor >= 11 and pxcor <= 20  and pycor >= 3 and pycor <= 8  ][set pcolor soil-bark]]

;; set preference (preferred) based on user choices
  if prefer = "sand" [ set preferred sand ]
  if prefer = "soil" [ set preferred soil ]
  if prefer = "sand+bark" [ set preferred sand-bark ]
  if prefer = "soil+bark" [ set preferred soil-bark ]

;; generate isopods
 crt isopods [
    setxy random-xcor random-ycor
    set shape "bug"
  ]
      reset-ticks
end 

to go
  ;; determine probability of isopod movement based on movement probability
  if  random-float 1 <= movement-probability [ask turtles with [ [pcolor] of patch-here != preferred ] [ move ]]
  ;; stop simulation if all isopods have reached their preferred substrate
  if not any? turtles with [[ pcolor ] of patch-here != preferred ] [ stop ]
  tick
end 

;; basic isopod movement.  movement is random and they change heading if they encounter a wall

to move
;; changw heading if you run into a wall
  if pxcor = max-pxcor
    [ set heading (  - heading) ]
  if pxcor = min-pxcor
  [ set heading ( - heading ) ]
  if pycor = max-pycor
    [ set heading ( 180 - heading) ]
  if pycor = min-pycor
  [set heading ( 180 - heading ) ]

;; move randomly
  rt random 5
  lt random 5
  fd 5
end 

There is only one version of this model, created about 2 years ago by ERIK SCULLY.

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