Relative importance of biotic and abiotic forces on the composition and dynamics of a soft-sediment intertidal community

TG Gerwing, D Drolet, DJ Hamilton, MA Barbeau - PloS one, 2016 - journals.plos.org
Top-down, bottom-up, middle-out and abiotic factors are usually viewed as main forces
structuring biological communities, although assessment of their relative importance, in a …

Effects of shorebird predation and snail abundance on an intertidal mudflat community

AV Cheverie, DJ Hamilton, MRS Coffin… - Journal of Sea …, 2014 - Elsevier
Top-down effects of predation are well documented in a variety of ecological communities,
including marine soft-sediment systems. It has been proposed that intertidal mudflats in the …

Passive reclamation of soft-sediment ecosystems on the North Coast of British Columbia, Canada

L Campbell, T Sizmur, F Juanes, TG Gerwing - Journal of Sea Research, 2019 - Elsevier
Estuarine ecosystems are degraded through anthropogenic development, leading to
reduced habitat suitability for biological communities. The Skeena River estuary (British …

Apparent redox potential discontinuity (aRPD) depth as a relative measure of sediment oxygen content and habitat quality

TG Gerwing, AMA Gerwing, DJ Hamilton… - International Journal of …, 2015 - Elsevier
As hypoxic conditions spread in our oceans, indices that quickly and efficiently assess
oxygen content in sediment pore water, and habitat quality are increasingly becoming …

Using successional drivers to understand spatiotemporal dynamics in intertidal mudflat communities

GS Norris, TG Gerwing, DJ Hamilton, MA Barbeau - Ecosphere, 2022 - Wiley Online Library
Abstract Elucidating factors (“drivers”) that influence succession after disturbance can
explain ecological phenomena, including why communities vary spatiotemporally. To gain …

A rapid, non-invasive population assessment technique for marine burrowing macrofauna inhabiting soft sediments

L Campbell, L Wood, AMA Gerwing, S Allen… - Estuarine, Coastal and …, 2019 - Elsevier
Population assessment techniques for soft-sediment infauna (invertebrates within the
substrate) requires excavation of specimens, damaging or killing the specimen and …

Structuring forces of intertidal infaunal communities on the northern coast of British Columbia, Canada: assessing the relative importance of top-down, bottom-up …

TG Gerwing, L Campbell, DJ Hamilton, MA Barbeau… - FACETS, 2023 - facetsjournal.com
While trophic and habitat-related abiotic variables (predation, competition, tolerance, etc.)
are known to influence community structure in many ecosystems, some systems appear to …

Nocturnal planktonic assemblages of amphipods vary due to the presence of coastal aquaculture cages

V Fernandez-Gonzalez, D Fernandez-Jover… - Marine Environmental …, 2014 - Elsevier
Nocturnal pelagic swimming is common in the daily activity of peracarids in marine
ecosystems. Fish farming facilities in coastal areas constitute an optimal artificial habitat for …

Sediment geochemistry influences infaunal invertebrate community composition and population abundances

TG Gerwing, AMA Gerwing, MM Davies, K Dracott… - Marine Biology, 2023 - Springer
Infaunal invertebrate communities are structured by various factors, including predation,
resource availability, and environmental conditions. Given that these invertebrates live …

Behavioral Response of Corophium volutator to Shorebird Predation in the Upper Bay of Fundy, Canada

EC MacDonald, EH Frost, SM MacNeil, DJ Hamilton… - PLoS …, 2014 - journals.plos.org
Predator avoidance is an important component of predator-prey relationships and can affect
prey availability for foraging animals. Each summer, the burrow-dwelling amphipod …