Agent-Based Model of Avian Movement and Functional Connectivity in Bogotá: Evaluating the 'Media Luna del Sur' Ecological Corridor (POT 2022–2035) (1.0.0)
This NetLogo model simulates the movement and foraging behavior of 20 bird species (classified as urban avoiders or utilizers) across a 20×20m grid landscape representing southern Bogotá, Colombia. Agents follow an optimal foraging strategy (90% of the time) or move randomly (10%), gaining energy from land-cover-dependent food sources and dying if energy falls below their basal metabolic rate. The model compares two landscape scenarios — current land cover (2016) and a proposed scenario incorporating the ‘Media Luna del Sur’ ecological corridor from Bogotá’s 2022–2035 Land Use Plan (POT) — to evaluate whether the proposed green infrastructure improves functional connectivity for avian biodiversity across the urban matrix. Outputs include cumulative patch visitation counts, exported as raster files, used to generate connectivity heatmaps.
Release Notes
How to run the model:
Download all files and ensure the two input raster files (current_scenario.asc and pot_scenario.asc) are located in a folder named data at the same level as the .nlogo file.
Open the model in NetLogo 6.x.
Select a scenario by clicking either setup-gis-map-present (current landscape) or setup-gis-map-pot (proposed POT corridor scenario).
Click Setup to initialize agents on the landscape.
Use the Go button to run the model step by step and observe agent movement in real time, or use the Run button to automatically execute 50 complete simulations of 2000 ticks each and export results to a CSV file.
Software dependencies:
NetLogo 6.x (free, available at ccl.northwestern.edu/netlogo)
GIS extension (included by default in NetLogo 6.x, no separate installation required)
Input data:
- current_scenario.asc — ASCII raster representing current land cover of southern Bogotá (2016 data, Jardín Botánico de Bogotá)
- pot_scenario.asc — ASCII raster representing the proposed scenario incorporating the “Media Luna del Sur” ecological corridor from Bogotá’s 2022–2035 Land Use Plan
Expected outputs
A CSV file (paths_scenario_[id].csv) saved in the output folder, containing the XY coordinates of every position visited by every agent across all 50 runs. This file can be loaded into any GIS software (e.g. QGIS, ArcGIS) to generate visitation heatmaps showing functional connectivity patterns across the landscape.
Associated Publications
In preparation
Agent-Based Model of Avian Movement and Functional Connectivity in Bogotá: Evaluating the 'Media Luna del Sur' Ecological Corridor (POT 2022–2035) 1.0.0
This NetLogo model simulates the movement and foraging behavior of 20 bird species (classified as urban avoiders or utilizers) across a 20×20m grid landscape representing southern Bogotá, Colombia. Agents follow an optimal foraging strategy (90% of the time) or move randomly (10%), gaining energy from land-cover-dependent food sources and dying if energy falls below their basal metabolic rate. The model compares two landscape scenarios — current land cover (2016) and a proposed scenario incorporating the ‘Media Luna del Sur’ ecological corridor from Bogotá’s 2022–2035 Land Use Plan (POT) — to evaluate whether the proposed green infrastructure improves functional connectivity for avian biodiversity across the urban matrix. Outputs include cumulative patch visitation counts, exported as raster files, used to generate connectivity heatmaps.
Release Notes
How to run the model:
Download all files and ensure the two input raster files (current_scenario.asc and pot_scenario.asc) are located in a folder named data at the same level as the .nlogo file.
Open the model in NetLogo 6.x.
Select a scenario by clicking either setup-gis-map-present (current landscape) or setup-gis-map-pot (proposed POT corridor scenario).
Click Setup to initialize agents on the landscape.
Use the Go button to run the model step by step and observe agent movement in real time, or use the Run button to automatically execute 50 complete simulations of 2000 ticks each and export results to a CSV file.
Software dependencies:
NetLogo 6.x (free, available at ccl.northwestern.edu/netlogo)
GIS extension (included by default in NetLogo 6.x, no separate installation required)
Input data:
- current_scenario.asc — ASCII raster representing current land cover of southern Bogotá (2016 data, Jardín Botánico de Bogotá)
- pot_scenario.asc — ASCII raster representing the proposed scenario incorporating the “Media Luna del Sur” ecological corridor from Bogotá’s 2022–2035 Land Use Plan
Expected outputs
A CSV file (paths_scenario_[id].csv) saved in the output folder, containing the XY coordinates of every position visited by every agent across all 50 runs. This file can be loaded into any GIS software (e.g. QGIS, ArcGIS) to generate visitation heatmaps showing functional connectivity patterns across the landscape.
