Results 211 to 220 of about 88,195 (239)

Quantifying Lithogenic Inputs to the Ocean From the GEOTRACES Thorium Transects in a Data‐Assimilation Model

Global Biogeochemical Cycles, Volume 39, Issue 6, June 2025.
Abstract The primordial thorium (Th) isotope 232Th is delivered to global ocean waters by lithogenic material dissolution, originating from dust deposition on the ocean surface and seafloor sediments around continental margins. Radiogenic 230Th shares the same particle‐scavenging removal processes as 232Th but has a simpler source from uniform 234U ...
Hairong Xu, Thomas Weber
wiley   +1 more source

Data‐Driven Modeling of 4D Ocean and Coastal Acidification in the Massachusetts and Cape Cod Bays From Surface Measurements

Journal of Geophysical Research: Biogeosciences, Volume 130, Issue 6, June 2025.
Abstract A significant portion of atmospheric CO2 ${\text{CO}}_{2}$ emissions is absorbed by the ocean, resulting in acidified seawater and altered carbonate composition that is harmful to marine life. Despite detrimental effects, assessing ocean and coastal acidification (OCA) is difficult due to the scarcity of in situ measurements and the high costs
B. Champenois, C. Bastidas, B. LaBash, T. P. Sapsis   +3 more
wiley   +1 more source

Pyrosomes, Pyrosoma atlanticum: Highlighting plankton as an important food source for coral reefs in Timor‐Leste

Ecology, Volume 106, Issue 6, June 2025.
Catherine J. S. Kim, Russell Kelley
wiley   +1 more source

Photoacclimation and Photoadaptation Sensitivity in a Global Ocean Ecosystem Model

Journal of Advances in Modeling Earth Systems, Volume 17, Issue 6, June 2025.
Abstract Chlorophyll underpins ocean productivity yet simulating chlorophyll across biomes, seasons and depths remains challenging for earth system models. Inconsistencies are often attributed to misrepresentation of the myriad nutrient supply, growth and loss processes that govern phytoplankton biomass. They may also arise, however, from unresolved or
Charles A. Stock, John P. Dunne, Jessica Y. Luo, Andrew C. Ross, Nicolas Van Oostende, Niki Zadeh, Theresa J. Cordero, Xiao Liu, Yi‐Cheng Teng   +8 more
wiley   +1 more source

Major Shifts in Equatorial Atlantic and Pacific Calcareous Nannofossil Assemblages Across the Early Eocene Climatic Optimum (EECO; ∼53–49 Ma)

Paleoceanography and Paleoclimatology, Volume 40, Issue 6, June 2025.
Abstract The early Eocene Climatic Optimum (EECO; ∼53–49 Ma) was the warmest sustained global warming episode of the Cenozoic, accompanied by major alterations in terrestrial and marine biota. Here we detail changes in low‐latitude calcareous nannofossil assemblages at two tropical sites in the equatorial Atlantic (ODP Site 1258) and Pacific (ODP Site ...
Joseph D. Asanbe, Jorijntje Henderiks
wiley   +1 more source

Phytoplankton Structure and Ecological Niche Differentiation of Dominant Species in Tahe Bay, China. [PDF]

Biology (Basel)
Zhang Y, Yin Z, Du Y, Wei X, Lan Y, Yu Q, Wang Y, Tian T, Chen L, Yang J.   +9 more
europepmc   +1 more source

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A mechanistic basis for underyielding in phytoplankton communities

Ecology, 2010
Species richness has been shown to increase biomass production of plant communities. Such overyielding occurs when a community performs better than its component monocultures due to the complementarity or dominance effect and is mostly detected in substrate‐bound plant communities (terrestrial plants or submerged macrophytes) where resource use ...
Schmidtke, Andrea, Gaedke, Ursula (Prof. Dr.), Weithoff, Guntram   +2 more
openaire   +4 more sources

Phytoplankton community dynamics

1993
Introduction Limnologists have long appreciated the potential importance of grazing to phytoplankton community composition (Reynolds, 1984 a ). At certain times during seasonal succession, grazers have clear-cut effects on algal assemblages (Lampert et al ., 1986; Sommer et al ., 1986; Vanni & Temte, 1990).
S. R. Carpenter, A. L. St. Amand, J. A. Morrice, Neil A. MacKay, James J. Elser   +4 more
openaire   +2 more sources

Photoacclimation of natural phytoplankton communities

Marine Ecology Progress Series, 2016
Phytoplankton regulate internal pigment concentrations in response to light and nutrient availability. Chlorophyll a to phytoplankton carbon ratios (chl:Cphyto) are commonly reported as a function of growth irradiance (Eg) for evaluating the photoacclimation response of phytoplankton.
Toby K. Westberry, Giorgio Dall'Olmo, Kristen M. Reifel, Matthew B. Brown, Michael J. Behrenfeld, Allen J. Milligan, Jason R. Graff   +6 more
openaire   +2 more sources

The phytoplankton community of a eutrophic reservoir

Hydrobiologia, 1988
The dynamics of the phytoplankton community of a eutrophic reservoir are described for a two year period. Fifty-eight species were recorded, 25 of them common. Bacillariophyta dominated during the winter and early spring and Chlorophyta during late spring, to be replaced by a bloom of Cyanophyta.
M. M. Abdul-Hussein, Christopher F. Mason   +1 more
openaire   +2 more sources