Nutrient content and stoichiometry of pelagic Sargassum reflects increasing nitrogen availability in the Atlantic Basin

BE Lapointe, RA Brewton, LW Herren, M Wang… - Nature …, 2021 - nature.com
The pelagic brown macroalgae Sargassum spp. have grown for centuries in oligotrophic
waters of the North Atlantic Ocean supported by natural nutrient sources, such as excretions …

Bluefin larvae in Oligotrophic Ocean Foodwebs, investigations of nutrients to zooplankton: overview of the BLOOFINZ-Gulf of Mexico program

T Gerard, JT Lamkin, TB Kelly, AN Knapp… - Journal of Plankton …, 2022 - academic.oup.com
Western Atlantic bluefin tuna (ABT) undertake long-distance migrations from rich feeding
grounds in the North Atlantic to spawn in oligotrophic waters of the Gulf of Mexico (GoM) …

Sargassum blooms in the Caribbean alter the trophic structure of the sea urchin Diadema antillarum

N Cabanillas-Terán, HA Hernández-Arana… - PeerJ, 2019 - peerj.com
The arrival of large masses of drifting Sargassum since 2011 has caused changes in the
natural dynamics of Caribbean coastal ecosystems. In the summer of 2015, unprecedented …

Nitrogen fixation by cyanobacteria stimulates production in Baltic food webs

AML Karlson, J Duberg, NH Motwani, H Hogfors… - Ambio, 2015 - Springer
Filamentous, nitrogen-fixing cyanobacteria form extensive summer blooms in the Baltic Sea.
Their ability to fix dissolved N 2 allows cyanobacteria to circumvent the general summer …

Ryther revisited: nutrient excretions by fishes enhance productivity of pelagic Sargassum in the western North Atlantic Ocean

BE Lapointe, LE West, TT Sutton, C Hu - Journal of Experimental Marine …, 2014 - Elsevier
The sustained biomass of pelagic Sargassum in nutrient-poor waters of the Sargasso Sea
has long been a paradox in biological oceanography. To better understand the mechanisms …

Variation in late Holocene marine environments in the Canadian Arctic Archipelago: evidence from ringed seal bone collagen stable isotope compositions

P Szpak, JM Savelle, J Conolly, MP Richards - Quaternary Science …, 2019 - Elsevier
Environmental change in the Arctic has been a primary topic of interest in recent years,
particularly as it relates to the consequences of anthropogenic climate change. Sea ice is of …

Trophic structure and sources of variation influencing the stable isotope signatures of meso-and bathypelagic micronekton fishes

TM Richards, TT Sutton, RJD Wells - Frontiers in Marine Science, 2020 - frontiersin.org
To better understand spatiotemporal variation in the trophic structure of deep-pelagic
species, we examined the isotope values of particulate organic matter (POM)(isotopic …

Seasonal δ13C and δ15N isoscapes of fish populations along a continental shelf trophic gradient

KR Radabaugh, DJ Hollander, EB Peebles - Continental Shelf Research, 2013 - Elsevier
Abstract The West Florida Shelf, located in the eastern Gulf of Mexico, transitions from a
eutrophic ecosystem dominated by the Mississippi River plume to mesotrophic and …

Trophic structure of mesopelagic fishes in the Gulf of Mexico revealed by gut content and stable isotope analyses

JP McClain‐Counts, AWJ Demopoulos… - Marine Ecology, 2017 - Wiley Online Library
Mesopelagic fishes represent an important component of the marine food web due to their
global distributions, high abundances and ability to transport organic material throughout a …

Intrapopulation variability in the timing of ontogenetic habitat shifts in sea turtles revealed using δ15N values from bone growth rings

CN Turner Tomaszewicz, JA Seminoff… - Journal of Animal …, 2017 - Wiley Online Library
Determining location and timing of ontogenetic shifts in the habitat use of highly migratory
species, along with possible intrapopulation variation in these shifts, is essential for …