Results 91 to 100 of about 319,237 (287)

Phytoplankton Diversity Effect on Ecosystem Functioning in a Coastal Upwelling System

open access: yesFrontiers in Marine Science, 2020
Species composition plays a key role in ecosystem functioning. Theoretical, experimental and field studies show positive effects of biodiversity on ecosystem processes.
Jaime Otero   +2 more
doaj   +1 more source

Iron biogeochemistry across marine systems progress from the past decade [PDF]

open access: yes, 2010
Based on an international workshop (Gothenburg, 14–16 May 2008), this review article aims to combine interdisciplinary knowledge from coastal and open ocean research on iron biogeochemistry. The major scientific findings of the past decade are structured
Achterberg, E. P.   +22 more
core   +5 more sources

Light and nutrient control phytoplankton biomass responses to global change in northern lakes

open access: yesGlobal Change Biology, 2019
Global change affects terrestrial loadings of colored dissolved organic carbon (DOC) and nutrients to northern lakes. Still, little is known about how phytoplankton respond to changes in light and nutrient availability across gradients in lake DOC.
A. Bergström, J. Karlsson
semanticscholar   +1 more source

Study of Phytoplankton Demographic Structure and Biodiversity and its Role in Aquaculture of the Golabar Dam Lake of Zanjan Province [PDF]

open access: yesبوم‌شناسی آبزیان, 2020
The purpose of this research was to determine the Phytoplankton communities, distribution, abundance, and diversity in Golabar dam lake of Zanjan province. Phytoplankton was sampled in 4 study stations during 1 year, from autumn 2009 to summer 2010.
Sepideh Khatib Haghighi, Hadi Babaei
doaj  

Phytoplankton as Key Mediators of the Biological Carbon Pump: Their Responses to a Changing Climate

open access: yes, 2018
The world’s oceans are a major sink for atmospheric carbon dioxide (CO2). The biological carbon pump plays a vital role in the net transfer of CO2 from the atmosphere to the oceans and then to the sediments, subsequently maintaining atmospheric CO2 at ...
Samarpita Basu, K. Mackey
semanticscholar   +1 more source

Identification of environmental factors affecting the abundance and distribution of phytoplanktons in Shamil Dam Lake [PDF]

open access: yesبوم‌شناسی آبزیان, 2019
Microscopic suspended algae, or phytoplankton, are the prime source of organic matter supporting food webs in freshwater ecosystems. Studying the distribution of their population and understanding the interactions between environmental factors and the ...
Mahsa Katani   +2 more
doaj  

Assessment of Pelagic Food Webs in Mendums Pond, NH [PDF]

open access: yes, 2009
This study focused on the relationship between plankton in Mendums Pond, NH. A grazing experiment was conducted to determine the effect of zooplankton on the phytoplankton population.
Bunker, Jonathan, Marcek, Ben
core   +1 more source

Effects of Gamma Ray Bursts in Earth Biosphere

open access: yes, 2009
We continue former work on the modeling of potential effects of Gamma Ray Bursts on Phanerozoic Earth. We focus on global biospheric effects of ozone depletion and show a first modeling of the spectral reduction of light by NO2 formed in the stratosphere.
B. Thomas   +12 more
core   +1 more source

The long‐term persistence of phytoplankton resting stages in aquatic ‘seed banks’

open access: yesBiological Reviews of The Cambridge Philosophical Society, 2018
In the past decade, research on long‐term persistence of phytoplankton resting stages has intensified. Simultaneously, insight into life‐cycle variability in the diverse groups of phytoplankton has also increased.
M. Ellegaard, S. Ribeiro
semanticscholar   +1 more source

Emergence of steady and oscillatory localized structures in a phytoplankton-nutrient model [PDF]

open access: yes, 2011
Co-limitation of marine phytoplankton growth by light and nutrient, both of which are essential for phytoplankton, leads to complex dynamic behavior and a wide array of coherent patterns.
  +6 more
core   +4 more sources

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