Barbara Downes

Experimental increases in detritus boost abundances of small-bodied fish in a sand-affected stream

Gabriel L Cornell, Robin Hale, John R Morrongiello, Barbara J Downes

Journal article  |  2022  |  FRESHWATER BIOLOGY

Restoration projects often rely on the assumption that a local intervention will restore diminished populations, without fully und..

A field experiment to test for density-related dispersal of hatchlings from natal sites

Wim Bovill, Barbara Downes, Rebecca Lester, Galen Holt, Georgia Dwyer, Peter Chesson

Presentation  |  2021

Oral presentation at the Ecological Society of Australia annual meeting, Darwin, November 2021

Positive and negative density-dependent infection found in an emerging disease of stream insects

Georgia Dwyer, Galen Holt, Barbara Downes, Peter Chesson, Wim Bovill, Rebecca Lester

Presentation  |  2021

Oral presentation at the Ecological Society of Australia annual meeting, Darwin, November 2021

Diversity consequences of oviposition: applying coexistence theory to aquatic insect communities

Galen Holt, Peter Chesson, Georgia Dwyer, Barbara Downes, Wim Bovill, Rebecca Lester

Presentation  |  2021

Oral presentation at the Ecological Society of Australia annual meeting, Darwin, November 2021

Density-related dispersal of newly hatched caddisfly larvae (Hydrobiosidae): a field experiment across 10 riffles

wim Bovill, Barbara Downes, Rebecca Lester, Galen Holt, Georgia Dwyer, Peter Chesson

Presentation  |  2021

Poster presentation at 11th Intecol Conference, Christchurch, New Zealand, October 2021

Multiyear resource enrichment creates persistently higher species diversity in a landscape-scale field experiment

Jill Lancaster, Barbara J Downes

Journal article  |  2021  |  ECOLOGY

Short-term resource enrichment can increase species diversity in communities, but prolonged resource enrichment may result in eith..

Using Fractals to Describe Ecologically Relevant Patterns in Distributions of Large Rocks in Streams

GK Dwyer, CR Cummings, SP Rice, Jill Lancaster, Barbara J Downes, L Slater, Rebecca E Lester

Journal article  |  2021  |  WATER RESOURCES RESEARCH

Measuring the physical complexity of habitats or ecological resources is often achieved using system-specific methods that make co..

Hydrological controls on oviposition habitat are associated with egg-laying phenology of some caddisflies

Jill Lancaster, Stephen P Rice, Louise Slater, Rebecca E Lester, Barbara J Downes

Journal article  |  2021  |  FRESHWATER BIOLOGY

Seasonal variation in resource availability can have strong effects on life histories and population densities. Emergent rocks (ER..

From Insects to Frogs, Egg-Juvenile Recruitment Can Have Persistent Effects on Population Sizes

BJ Downes, BL Peckarsky, J Lancaster, WD Bovill, M Alp

Journal article  |  2021  |  Annual Review of Ecology, Evolution, and Systematics

Understanding what regulates population sizes of organisms with complex life cycles is challenging because limits on population si..

Capturing geomorphologial patterns in ecological resources: fractal dimensions describe fluvial rock distributions

Georgia K Dwyer, Stephen P Rice, Jill Lancaster, Barbara J Downes, Louise Slater, Rebecca E Lester

Presentation  |  2020

Oral presentation at the annual meeting of the Ecological Society of Australia in December 2020