Productivity and change in fish and squid in the Southern Ocean

JA Caccavo, H Christiansen, AJ Constable… - Frontiers in Ecology …, 2021 - frontiersin.org
Southern Ocean ecosystems are globally important and vulnerable to global drivers of
change, yet they remain challenging to study. Fish and squid make up a significant portion of …

Mercury biomagnification in a Southern Ocean food web

J Seco, S Aparício, AS Brierley, P Bustamante… - Environmental …, 2021 - Elsevier
Biomagnification of mercury (Hg) in the Scotia Sea food web of the Southern Ocean was
examined using the stable isotope ratios of nitrogen (δ 15 N) and carbon (δ 13 C) as proxies …

[HTML][HTML] Spatial, temporal, and demographic variability in patagonian toothfish (Dissostichus eleginoides) spawning from twenty-five years of fishery data at South …

CCG Bamford, PR Hollyman, J Abreu, C Darby… - Deep Sea Research …, 2024 - Elsevier
Patagonian toothfish (Dissostichus eleginoides) are a commercially important species that
support a longline fishery at the subantarctic island of South Georgia (CCAMLR Subarea …

Assessing current knowledge and future challenges of age determination, life span and growth performance in notothenioid fishes: a review

M La Mesa, JT Eastman - Reviews in Fish Biology and Fisheries, 2024 - Springer
Age determination is an important tool in fishery research and management, providing key
data for growth modelling and population dynamics. Knowledge of longevity and growth …

The axes of divergence for the evolutionary radiation of notothenioid fishes in Antarctica

JT Eastman - Diversity, 2024 - search.proquest.com
Notothenioid fishes, a perciform group, radiated in the cold shelf waters around the Antarctic
continent and the 110 species dominate fish diversity, abundance, and biomass at levels …

Glacial dropstones: islands enhancing seafloor species richness of benthic megafauna in West Antarctic Peninsula fjords

AF Ziegler, CR Smith, KF Edwards… - Marine Ecology Progress …, 2017 - int-res.com
The West Antarctic Peninsula (WAP) margin is dominated by glaciomarine fjords and has
experienced rapid climate warming in recent decades. Glacial calving along the peninsula …

Power of stable isotope techniques to detect size-based feeding in marine fishes

DE Galvan, CJ Sweeting, WDK Reid - Marine Ecology Progress Series, 2010 - int-res.com
Stable isotope techniques are now the most frequently applied method to investigate size-
based variation in fish trophic position (TP), and data suggest changes in TP with body size …

Parallel ecological diversification in Antarctic notothenioid fishes as evidence for adaptive radiation

S Rutschmann, M Matschiner, M Damerau… - Molecular …, 2011 - Wiley Online Library
Antarctic notothenioid fishes represent a rare example of a marine species flock. They
evolved special adaptations to the extreme environment of the Southern Ocean including …

A long road to recovery: dynamics and ecology of the marbled rockcod (Notothenia rossii, family: Nototheniidae) at South Georgia, 50 years after overexploitation

PR Hollyman, SL Hill, VV Laptikhovsky… - ICES Journal of …, 2021 - academic.oup.com
Exploitation is one of the major drivers of change in marine ecosystems. Following discovery
in 1775, South Georgia saw sequential overexploitation of living resources, including seals …

Divergence in skeletal mass and bone morphology in antarctic notothenioid fishes

JT Eastman, LM Witmer, RC Ridgely… - Journal of …, 2014 - Wiley Online Library
Although notothenioid fishes lack swim bladders, some species live temporarily or
permanently in the water column. Given its relatively high density, skeletal mass is a key …