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Updated: May 15, 2026

Quantifying Corticolous Arthropods Using Sticky Traps

Quantifying Corticolous Arthropods Using Sticky Traps

Published on: January 19, 2020

Plant invasions and extinction debts.

Benjamin Gilbert¹, Jonathan M Levine

¹Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, ON, Canada M5S 3B2. benjamin.gilbert@utoronto.ca

Proceedings of the National Academy of Sciences of the United States of America

|January 9, 2013

Summary

This summary is machine-generated.

Invasive species threaten biodiversity by reducing native plant refugia size and connectivity. This can lead to long-term native plant extinction debts, even if immediate impacts are not apparent.

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Quantifying Corticolous Arthropods Using Sticky Traps

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Published on: January 19, 2020

Linking Predation Risk, Herbivore Physiological Stress and Microbial Decomposition of Plant Litter

Linking Predation Risk, Herbivore Physiological Stress and Microbial Decomposition of Plant Litter

Published on: March 12, 2013

Area of Science:

Ecology
Conservation Biology
Invasive Species Management

Background:

The impact of introduced species on biodiversity is debated, with few documented extinctions despite widespread invasions.
Native species often survive in refugia, but their long-term persistence under invasion is uncertain.
Invasive plants may cause extinction debts, where current survival masks future deterministic extinctions.

Purpose of the Study:

To investigate how invasive plant impacts on landscape structure affect native metapopulation persistence.
To quantify the pathways through which invasion alters native plant survival and connectivity.

Main Methods:

Combined quantitative metapopulation persistence techniques with field measurements.
Assessed the effects of European grass invasion on native plant communities in a California landscape.

Main Results:

European grass invasion significantly decreased native metapopulation persistence likelihood.
Invasion reduced native refugia size, lowering seed production and increasing local extinction.
Invasion eroded matrix permeability between refugia, decreasing metapopulation connectivity.

Conclusions:

Invasive species can induce long-term extinction debts in native flora, with extinction trajectories unfolding over centuries.
Current invasion durations may be too short to observe the full biodiversity impacts.
Managing landscape structure is crucial for native species persistence in invaded ecosystems.