Research Database

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Following megafires fishes thrive and amphibians persist even in severely burned watersheds

Year: 2025

Wildfires are increasing in severity, frequency and size, potentially threatening freshwater species that adapted under different disturbance regimes. However, few wildfire studies have comprehensively evaluated freshwater populations and assemblages following wildfire over broad spatial scales while accounting for post-fire salvage practices in the watershed. We reveal that stream vertebrate assemblages across thirty 4th order streams, spanning a range of both watershed fire severity and post-fire forest management extent, were minimally influenced by immediate effects of fire alone (…

Fire Effects and Fire Ecology, Fish and Wildlife Habitat

riparian, fire severity, western Cascades

Publication Type: Journal Article

Showy dragonflies are being driven extinct by warming and wildfire

Year: 2025

Rising temperatures may disrupt reproduction before becoming lethal; thus mating traits could define species vulnerability to warming. Here, using >1,600 estimates of local extinction for 60 dragonfly species, we show that species with mating-associated wing ornamentation experienced more extinctions and lost more habitat under warming and following wildfire burn than non-ornamented species. By contrast, sensitivity was not affected by ecological traits, such as thermal limits, habitat specialization or body size.

Fire Effects and Fire Ecology, Fish and Wildlife Habitat

habitat, biodiversity

Publication Type: Journal Article