Results 41 to 50 of about 88,195 (239)

Concurrent DNA meta‐barcoding and plankton imaging reveal novel parasitic infection and competition in a diatom

open access: yesLimnology and Oceanography, EarlyView.
Abstract Little is known about diatom parasitism in marine systems. Guinardia delicatula, a biomass‐dominant diatom on the Northeast US Shelf (NES), is regularly parasitized by the protistan nanoflagellate, Cryothecomonas aestivalis in this region. While G.
Dylan Catlett   +6 more
wiley   +1 more source

Cell death in lake phytoplankton communities

open access: yesFreshwater Biology, 2006
Summary1. The fraction of living and dead phytoplankton cells in seven Florida lakes was assessed by using the cell digestion assay, a non‐staining membrane permeability test. The cell digestion assay is an effective method to analyse cell viability in complex natural phytoplankton communities. 2.
Agustí, Susana   +4 more
openaire   +3 more sources

Bayesian Learning and Predictability in a Stochastic Nonlinear Dynamical Model [PDF]

open access: yes, 2012
Bayesian inference methods are applied within a Bayesian hierarchical modelling framework to the problems of joint state and parameter estimation, and of state forecasting.
Campbell, Edward P.   +4 more
core   +3 more sources

Resolving abrupt frontal gradients in zooplankton community composition and marine snow fields with an autonomous Zooglider

open access: yesLimnology and Oceanography, EarlyView.
Abstract An autonomous Zooglider navigated across the California Current Front into low salinity, minty waters characteristic of the California Current proper in both summers of 2019 and 2021. Diving to 400 m depth, Zooglider transited another near‐surface frontal gradient somewhat inshore. These frontal gradients were generally associated with changes
Sven Gastauer, Mark D. Ohman
wiley   +1 more source

Hypertrophic phytoplankton: an overview [PDF]

open access: yes, 1992
An overview is provided of studies on hypertrophic phytoplankton in order to explore the subject and to suggest uncovered areas of research in this increasingly important theme.
Cobelas, Miguel Alvarez   +1 more
core  

Phytoplankton Hotspot Prediction With an Unsupervised Spatial Community Model

open access: yes, 2017
Many interesting natural phenomena are sparsely distributed and discrete. Locating the hotspots of such sparsely distributed phenomena is often difficult because their density gradient is likely to be very noisy.
Dudek, Gregory   +3 more
core   +1 more source

Nutrient enrichment—but not warming—increases nitrous oxide emissions from shallow lake mesocosms

open access: yesLimnology and Oceanography, EarlyView.
Abstract Shallow lakes and ponds play a crucial role in the processing of carbon and other nutrients. However, many lakes and ponds worldwide are affected by climate change and nutrient pollution. How these pressures affect the emission of the greenhouse gas nitrous oxide (N2O) is unclear.
Joachim Audet   +3 more
wiley   +1 more source

Invasion of a littoral cladoceran Sida crystallina into the pelagic zone of Christine Lake, NH and its potential impact on the phytoplankton community [PDF]

open access: yes, 2011
This study evaluated the phytoplankton community and grazing influences of the zooplankton in oligotrophic Christine Lake, NH, by assessing the body size and clearance rates of the three dominant crustaceans: Sida crystallina (0.08 individuals L-1 ...
Huey, Kayla N.
core   +1 more source

Undetected Blooms in Prince William Sound: Using Multiple Techniques to Elucidate the Base of the Summer Food Web [PDF]

open access: yes, 2015
© 2015, Coastal and Estuarine Research Federation. Prince William Sound supports many commercially and culturally important species. The phytoplankton community dynamics which support and sustain the high biomass and diversity of this ecosystem are ...
Davis, RW   +4 more
core   +1 more source

Bloom compression alongside marine heatwaves contemporary with the Oregon upwelling season

open access: yesLimnology and Oceanography, EarlyView.
Abstract Marine heatwave (MHW) events have led to acute decreases in primary production and phytoplankton biomass in the surface ocean, particularly at the mid latitudes. In the Northeast Pacific, these anomalous events have occasionally encroached onto the Oregon shelf during the ecologically important summer upwelling season.
Ian T. Black   +2 more
wiley   +1 more source

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