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Quantitative Invasion Risk Assessment for Forecasting Pontential Invaders

Research rationale

The ever-increasing and expanding globalisation of trade and transport underpins the escalating global problem of biological invasions. Developing biosecurity infrastructures is crucial to anticipate and prevent the transport and introduction of invasive alien species, but robust and defensible forecasts of potential invaders, especially species worldwide with no invasion history, are rare.

The tool

Here, we aim to support decision-making by developing a quantitative invasion risk assessment tool based on invasion syndromes (i.e. attributes of a typical invasive alien species). We implemented a multiple imputation with chain equation workflow to estimate invasion syndromes from imputed datasets of species’ life-history and ecological traits (e.g., body size, reproductive traits, microhabitat) and macroecological patterns (e.g., geographic range size, commonness, habitat generalism, tolerance to disturbance).

The tool is run under R computing program. And this repository contains the R scripts and sample files to run the tool.

The description and application of tool can be read in full in Pili et al. (XXXX).

The repository

There are four core R scripts.

  1. macroeclogicalPatterns.Rmd --- for quantifying macroecological patterns.
  2. PhylogeneticEigenvectorMapping.Rmd --- for mapping phylogenetic eigenvectors and determining optimal number of phylogenetic eigenvectors for phylogenetic imputation.
  3. Multipleimputation.Rmd --- for multiple imputation of life-history and ecological traits and macroecological patterns.
  4. invasionSyndromesModels.Rmd --- for modelling invasion syndromes.

The file structure of your .Rproject

should ideally have:

  • ./data/
  • ./data/ecoregions/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/habitats/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/humanFootprint/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/invasionHistory/ # provided
  • ./data/occurrenceData/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/phylogeneticTree/ # retrieve from source. See PhylogeneticEigenvectorMapping.Rmd
  • ./data/ports/ # retrieve from source. See macroecologicalPatterns.Rmd
  • /data/rangeMaps/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./input/ #example data to run Multipleimputation.Rmd and invasionSyndromesModels.Rmd are included
  • ./output/
  • ./output/miceRangeError/
  • ./output/miceRangeImp/
  • ./output/miceRangeImportance/
  • ./output/rf_fineTune/
  • ./output/rf_pred/
  • ./figures/

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Quantitative invasion risk assessment of species worldwide

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
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}
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})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
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Quantitative Invasion Risk Assessment for Forecasting Pontential Invaders

Research rationale

The ever-increasing and expanding globalisation of trade and transport underpins the escalating global problem of biological invasions. Developing biosecurity infrastructures is crucial to anticipate and prevent the transport and introduction of invasive alien species, but robust and defensible forecasts of potential invaders, especially species worldwide with no invasion history, are rare.

The tool

Here, we aim to support decision-making by developing a quantitative invasion risk assessment tool based on invasion syndromes (i.e. attributes of a typical invasive alien species). We implemented a multiple imputation with chain equation workflow to estimate invasion syndromes from imputed datasets of species’ life-history and ecological traits (e.g., body size, reproductive traits, microhabitat) and macroecological patterns (e.g., geographic range size, commonness, habitat generalism, tolerance to disturbance).

The tool is run under R computing program. And this repository contains the R scripts and sample files to run the tool.

The description and application of tool can be read in full in Pili et al. (XXXX).

The repository

There are four core R scripts.

  1. macroeclogicalPatterns.Rmd --- for quantifying macroecological patterns.
  2. PhylogeneticEigenvectorMapping.Rmd --- for mapping phylogenetic eigenvectors and determining optimal number of phylogenetic eigenvectors for phylogenetic imputation.
  3. Multipleimputation.Rmd --- for multiple imputation of life-history and ecological traits and macroecological patterns.
  4. invasionSyndromesModels.Rmd --- for modelling invasion syndromes.

The file structure of your .Rproject

should ideally have:

  • ./data/
  • ./data/ecoregions/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/habitats/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/humanFootprint/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/invasionHistory/ # provided
  • ./data/occurrenceData/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/phylogeneticTree/ # retrieve from source. See PhylogeneticEigenvectorMapping.Rmd
  • ./data/ports/ # retrieve from source. See macroecologicalPatterns.Rmd
  • /data/rangeMaps/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./input/ #example data to run Multipleimputation.Rmd and invasionSyndromesModels.Rmd are included
  • ./output/
  • ./output/miceRangeError/
  • ./output/miceRangeImp/
  • ./output/miceRangeImportance/
  • ./output/rf_fineTune/
  • ./output/rf_pred/
  • ./figures/

About

Quantitative invasion risk assessment of species worldwide

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1 star

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1 watching

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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Quantitative Invasion Risk Assessment for Forecasting Pontential Invaders

Research rationale

The ever-increasing and expanding globalisation of trade and transport underpins the escalating global problem of biological invasions. Developing biosecurity infrastructures is crucial to anticipate and prevent the transport and introduction of invasive alien species, but robust and defensible forecasts of potential invaders, especially species worldwide with no invasion history, are rare.

The tool

Here, we aim to support decision-making by developing a quantitative invasion risk assessment tool based on invasion syndromes (i.e. attributes of a typical invasive alien species). We implemented a multiple imputation with chain equation workflow to estimate invasion syndromes from imputed datasets of species’ life-history and ecological traits (e.g., body size, reproductive traits, microhabitat) and macroecological patterns (e.g., geographic range size, commonness, habitat generalism, tolerance to disturbance).

The tool is run under R computing program. And this repository contains the R scripts and sample files to run the tool.

The description and application of tool can be read in full in Pili et al. (XXXX).

The repository

There are four core R scripts.

  1. macroeclogicalPatterns.Rmd --- for quantifying macroecological patterns.
  2. PhylogeneticEigenvectorMapping.Rmd --- for mapping phylogenetic eigenvectors and determining optimal number of phylogenetic eigenvectors for phylogenetic imputation.
  3. Multipleimputation.Rmd --- for multiple imputation of life-history and ecological traits and macroecological patterns.
  4. invasionSyndromesModels.Rmd --- for modelling invasion syndromes.

The file structure of your .Rproject

should ideally have:

  • ./data/
  • ./data/ecoregions/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/habitats/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/humanFootprint/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/invasionHistory/ # provided
  • ./data/occurrenceData/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/phylogeneticTree/ # retrieve from source. See PhylogeneticEigenvectorMapping.Rmd
  • ./data/ports/ # retrieve from source. See macroecologicalPatterns.Rmd
  • /data/rangeMaps/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./input/ #example data to run Multipleimputation.Rmd and invasionSyndromesModels.Rmd are included
  • ./output/
  • ./output/miceRangeError/
  • ./output/miceRangeImp/
  • ./output/miceRangeImportance/
  • ./output/rf_fineTune/
  • ./output/rf_pred/
  • ./figures/

About

Quantitative invasion risk assessment of species worldwide

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1 watching

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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Quantitative Invasion Risk Assessment for Forecasting Pontential Invaders

Research rationale

The ever-increasing and expanding globalisation of trade and transport underpins the escalating global problem of biological invasions. Developing biosecurity infrastructures is crucial to anticipate and prevent the transport and introduction of invasive alien species, but robust and defensible forecasts of potential invaders, especially species worldwide with no invasion history, are rare.

The tool

Here, we aim to support decision-making by developing a quantitative invasion risk assessment tool based on invasion syndromes (i.e. attributes of a typical invasive alien species). We implemented a multiple imputation with chain equation workflow to estimate invasion syndromes from imputed datasets of species’ life-history and ecological traits (e.g., body size, reproductive traits, microhabitat) and macroecological patterns (e.g., geographic range size, commonness, habitat generalism, tolerance to disturbance).

The tool is run under R computing program. And this repository contains the R scripts and sample files to run the tool.

The description and application of tool can be read in full in Pili et al. (XXXX).

The repository

There are four core R scripts.

  1. macroeclogicalPatterns.Rmd --- for quantifying macroecological patterns.
  2. PhylogeneticEigenvectorMapping.Rmd --- for mapping phylogenetic eigenvectors and determining optimal number of phylogenetic eigenvectors for phylogenetic imputation.
  3. Multipleimputation.Rmd --- for multiple imputation of life-history and ecological traits and macroecological patterns.
  4. invasionSyndromesModels.Rmd --- for modelling invasion syndromes.

The file structure of your .Rproject

should ideally have:

  • ./data/
  • ./data/ecoregions/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/habitats/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/humanFootprint/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/invasionHistory/ # provided
  • ./data/occurrenceData/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/phylogeneticTree/ # retrieve from source. See PhylogeneticEigenvectorMapping.Rmd
  • ./data/ports/ # retrieve from source. See macroecologicalPatterns.Rmd
  • /data/rangeMaps/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./input/ #example data to run Multipleimputation.Rmd and invasionSyndromesModels.Rmd are included
  • ./output/
  • ./output/miceRangeError/
  • ./output/miceRangeImp/
  • ./output/miceRangeImportance/
  • ./output/rf_fineTune/
  • ./output/rf_pred/
  • ./figures/

About

Quantitative invasion risk assessment of species worldwide

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1 watching

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
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Quantitative Invasion Risk Assessment for Forecasting Pontential Invaders

Research rationale

The ever-increasing and expanding globalisation of trade and transport underpins the escalating global problem of biological invasions. Developing biosecurity infrastructures is crucial to anticipate and prevent the transport and introduction of invasive alien species, but robust and defensible forecasts of potential invaders, especially species worldwide with no invasion history, are rare.

The tool

Here, we aim to support decision-making by developing a quantitative invasion risk assessment tool based on invasion syndromes (i.e. attributes of a typical invasive alien species). We implemented a multiple imputation with chain equation workflow to estimate invasion syndromes from imputed datasets of species’ life-history and ecological traits (e.g., body size, reproductive traits, microhabitat) and macroecological patterns (e.g., geographic range size, commonness, habitat generalism, tolerance to disturbance).

The tool is run under R computing program. And this repository contains the R scripts and sample files to run the tool.

The description and application of tool can be read in full in Pili et al. (XXXX).

The repository

There are four core R scripts.

  1. macroeclogicalPatterns.Rmd --- for quantifying macroecological patterns.
  2. PhylogeneticEigenvectorMapping.Rmd --- for mapping phylogenetic eigenvectors and determining optimal number of phylogenetic eigenvectors for phylogenetic imputation.
  3. Multipleimputation.Rmd --- for multiple imputation of life-history and ecological traits and macroecological patterns.
  4. invasionSyndromesModels.Rmd --- for modelling invasion syndromes.

The file structure of your .Rproject

should ideally have:

  • ./data/
  • ./data/ecoregions/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/habitats/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/humanFootprint/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/invasionHistory/ # provided
  • ./data/occurrenceData/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/phylogeneticTree/ # retrieve from source. See PhylogeneticEigenvectorMapping.Rmd
  • ./data/ports/ # retrieve from source. See macroecologicalPatterns.Rmd
  • /data/rangeMaps/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./input/ #example data to run Multipleimputation.Rmd and invasionSyndromesModels.Rmd are included
  • ./output/
  • ./output/miceRangeError/
  • ./output/miceRangeImp/
  • ./output/miceRangeImportance/
  • ./output/rf_fineTune/
  • ./output/rf_pred/
  • ./figures/

About

Quantitative invasion risk assessment of species worldwide

Resources

Stars

1 star

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1 watching

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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Quantitative Invasion Risk Assessment for Forecasting Pontential Invaders

Research rationale

The ever-increasing and expanding globalisation of trade and transport underpins the escalating global problem of biological invasions. Developing biosecurity infrastructures is crucial to anticipate and prevent the transport and introduction of invasive alien species, but robust and defensible forecasts of potential invaders, especially species worldwide with no invasion history, are rare.

The tool

Here, we aim to support decision-making by developing a quantitative invasion risk assessment tool based on invasion syndromes (i.e. attributes of a typical invasive alien species). We implemented a multiple imputation with chain equation workflow to estimate invasion syndromes from imputed datasets of species’ life-history and ecological traits (e.g., body size, reproductive traits, microhabitat) and macroecological patterns (e.g., geographic range size, commonness, habitat generalism, tolerance to disturbance).

The tool is run under R computing program. And this repository contains the R scripts and sample files to run the tool.

The description and application of tool can be read in full in Pili et al. (XXXX).

The repository

There are four core R scripts.

  1. macroeclogicalPatterns.Rmd --- for quantifying macroecological patterns.
  2. PhylogeneticEigenvectorMapping.Rmd --- for mapping phylogenetic eigenvectors and determining optimal number of phylogenetic eigenvectors for phylogenetic imputation.
  3. Multipleimputation.Rmd --- for multiple imputation of life-history and ecological traits and macroecological patterns.
  4. invasionSyndromesModels.Rmd --- for modelling invasion syndromes.

The file structure of your .Rproject

should ideally have:

  • ./data/
  • ./data/ecoregions/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/habitats/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/humanFootprint/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/invasionHistory/ # provided
  • ./data/occurrenceData/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/phylogeneticTree/ # retrieve from source. See PhylogeneticEigenvectorMapping.Rmd
  • ./data/ports/ # retrieve from source. See macroecologicalPatterns.Rmd
  • /data/rangeMaps/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./input/ #example data to run Multipleimputation.Rmd and invasionSyndromesModels.Rmd are included
  • ./output/
  • ./output/miceRangeError/
  • ./output/miceRangeImp/
  • ./output/miceRangeImportance/
  • ./output/rf_fineTune/
  • ./output/rf_pred/
  • ./figures/

About

Quantitative invasion risk assessment of species worldwide

Resources

Stars

1 star

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1 watching

Forks

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Contributors

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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Quantitative Invasion Risk Assessment for Forecasting Pontential Invaders

Research rationale

The ever-increasing and expanding globalisation of trade and transport underpins the escalating global problem of biological invasions. Developing biosecurity infrastructures is crucial to anticipate and prevent the transport and introduction of invasive alien species, but robust and defensible forecasts of potential invaders, especially species worldwide with no invasion history, are rare.

The tool

Here, we aim to support decision-making by developing a quantitative invasion risk assessment tool based on invasion syndromes (i.e. attributes of a typical invasive alien species). We implemented a multiple imputation with chain equation workflow to estimate invasion syndromes from imputed datasets of species’ life-history and ecological traits (e.g., body size, reproductive traits, microhabitat) and macroecological patterns (e.g., geographic range size, commonness, habitat generalism, tolerance to disturbance).

The tool is run under R computing program. And this repository contains the R scripts and sample files to run the tool.

The description and application of tool can be read in full in Pili et al. (XXXX).

The repository

There are four core R scripts.

  1. macroeclogicalPatterns.Rmd --- for quantifying macroecological patterns.
  2. PhylogeneticEigenvectorMapping.Rmd --- for mapping phylogenetic eigenvectors and determining optimal number of phylogenetic eigenvectors for phylogenetic imputation.
  3. Multipleimputation.Rmd --- for multiple imputation of life-history and ecological traits and macroecological patterns.
  4. invasionSyndromesModels.Rmd --- for modelling invasion syndromes.

The file structure of your .Rproject

should ideally have:

  • ./data/
  • ./data/ecoregions/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/habitats/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/humanFootprint/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/invasionHistory/ # provided
  • ./data/occurrenceData/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/phylogeneticTree/ # retrieve from source. See PhylogeneticEigenvectorMapping.Rmd
  • ./data/ports/ # retrieve from source. See macroecologicalPatterns.Rmd
  • /data/rangeMaps/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./input/ #example data to run Multipleimputation.Rmd and invasionSyndromesModels.Rmd are included
  • ./output/
  • ./output/miceRangeError/
  • ./output/miceRangeImp/
  • ./output/miceRangeImportance/
  • ./output/rf_fineTune/
  • ./output/rf_pred/
  • ./figures/

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Quantitative invasion risk assessment of species worldwide

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Quantitative Invasion Risk Assessment for Forecasting Pontential Invaders

Research rationale

The ever-increasing and expanding globalisation of trade and transport underpins the escalating global problem of biological invasions. Developing biosecurity infrastructures is crucial to anticipate and prevent the transport and introduction of invasive alien species, but robust and defensible forecasts of potential invaders, especially species worldwide with no invasion history, are rare.

The tool

Here, we aim to support decision-making by developing a quantitative invasion risk assessment tool based on invasion syndromes (i.e. attributes of a typical invasive alien species). We implemented a multiple imputation with chain equation workflow to estimate invasion syndromes from imputed datasets of species’ life-history and ecological traits (e.g., body size, reproductive traits, microhabitat) and macroecological patterns (e.g., geographic range size, commonness, habitat generalism, tolerance to disturbance).

The tool is run under R computing program. And this repository contains the R scripts and sample files to run the tool.

The description and application of tool can be read in full in Pili et al. (XXXX).

The repository

There are four core R scripts.

  1. macroeclogicalPatterns.Rmd --- for quantifying macroecological patterns.
  2. PhylogeneticEigenvectorMapping.Rmd --- for mapping phylogenetic eigenvectors and determining optimal number of phylogenetic eigenvectors for phylogenetic imputation.
  3. Multipleimputation.Rmd --- for multiple imputation of life-history and ecological traits and macroecological patterns.
  4. invasionSyndromesModels.Rmd --- for modelling invasion syndromes.

The file structure of your .Rproject

should ideally have:

  • ./data/
  • ./data/ecoregions/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/habitats/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/humanFootprint/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/invasionHistory/ # provided
  • ./data/occurrenceData/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./data/phylogeneticTree/ # retrieve from source. See PhylogeneticEigenvectorMapping.Rmd
  • ./data/ports/ # retrieve from source. See macroecologicalPatterns.Rmd
  • /data/rangeMaps/ # retrieve from source. See macroecologicalPatterns.Rmd
  • ./input/ #example data to run Multipleimputation.Rmd and invasionSyndromesModels.Rmd are included
  • ./output/
  • ./output/miceRangeError/
  • ./output/miceRangeImp/
  • ./output/miceRangeImportance/
  • ./output/rf_fineTune/
  • ./output/rf_pred/
  • ./figures/

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Quantitative invasion risk assessment of species worldwide

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