Sentences with phrase «phytoplankton growth»
"Phytoplankton growth" refers to the process of tiny, plant-like organisms known as phytoplankton multiplying and increasing in number. These organisms live in bodies of water like oceans, lakes, and rivers, and they play a crucial role in the food chain and the production of oxygen for marine life. When their growth is healthy, it can have positive impacts on the ecosystem. Full definition
Analyses of the samples verified that organic compounds in the sea - surface microlayer reflected the temporal development of phytoplankton growth in the water column.
oceanacidification.de
«What is important about this study is that while yes, whales eat fish (including baleen whales), whales enhance the production of fish by providing through excretion the nutrients essential for phytoplankton growth at the base of the food web,» said Jim Ruzicka from the Hatfield Marine Science Center at the University of Oregon.
The iron is then able to stimulate phytoplankton growth which supports the ocean's carbon cycle and the aquatic food chain
There are three key factors driving increased phytoplankton growth around Antarctica, according to Moore: the long - term warming trend in the oceans, the changes in winds brought on by global climate warming and, most significantly, the near elimination of sea ice along the coast of Antarctica.
Nitrogen and phosphorus are key nutrients that support phytoplankton growth in the ocean.
With increased phytoplankton growth around Antarctica, the northward transfer of nutrients will be greatly reduced.
«Iron Deficiency limits phytoplankton growth in the north - east Pacific Subarctic.»
The objective of our research is to evaluate the effects of global climate change processes (changing dust deposition, ocean acidification and sea - surface warming) on phytoplankton growth, biological N2 fixation, biogeochemical cycles, and the controlling role of Fe within these impacts.
Wingenter proposes seeding the Southern Ocean with particles of iron to boost phytoplankton growth.
Unlike most regions of the global ocean which do not contain sufficient nitrogen or phosphorus for sustained phytoplankton growth, diatoms in the remote waters of McMurdo Sound were starving from lack of iron and deficiency of vitamin B12.
These processes included dust deposition, and ocean acidification and warming, which were shown to have a significant impact on oceanic phytoplankton growth, cell size and primary productivity, biological N2 fixation, phytoplankton distribution and community composition.
Studies suggest that the Southern Annular Mode (SAM) is more likely to be positive, meaning stronger winds will be more common, likely disrupting phytoplankton growth, and tropical storms could send precipitation across the Southern Ocean that can put penguin eggs and chicks at risk.
However it has been shown that oceanic iron deficiency limits phytoplankton growth despite the availability of large concentrations of atmospheric carbon dioxide.
That is, they maxed out phytoplankton growth until something else became the limiting factor — in this case, phosphates.
Here we use a set of integrative approaches that combine metatranscriptomes, biochemical data, cellular physiology and emergent phytoplankton growth strategies in a global ecosystems model, to show that temperature significantly affects eukaryotic phytoplankton metabolism with consequences for biogeochemical cycling under global warming.
The scientists found that there was indeed more dust, but it had not stimulated phytoplankton growth.
Known as the «sulfur pearl of Namibia,» this anaerobic species digests organic matter under low - oxygen (or no - oxygen) conditions that are caused by high rates of phytoplankton growth in the Benguela upwelling zone, and the subsequent decay of large masses of dead phytoplankton that have fallen to the seafloor.
This is because in this region, iron is a limiting factor for phytoplankton growth.
New research from UCI oceanographers projects that by the year 2300, the elimination of sea ice around Antarctica will cause increased phytoplankton growth, starving other ocean regions of the nutrients needed to feed the lowest level of aquatic food webs.
A wave of phytoplankton growth in the North Atlantic also stands out.
However, you omitted the most important fact about the world's oceans: the diminishment of the oceans» primary productivity, which corresponds to the amount of phytoplankton growth.
«These conditions will cause changes in phytoplankton growth and ocean circulation around Antarctica, with the net effect of transferring nutrients from the upper ocean to the deep ocean,» said lead author J. Keith Moore, UCI professor of Earth system science.
«Because these plants are photosynthetic, it's not surprising to find that as the amount of sea ice cover declined, the amount of [photosynthesis] increased,» says biological oceanographer Kevin Arrigo of Stanford University's School of Earth Sciences, who led an effort to use the MODIS (Moderate Resolution Imaging Spectroradiometer) devices on NASA's Terra and Aqua satellites to determine changes in phytoplankton growth.
All have sought to test whether stimulating phytoplankton growth can increase the amount of carbon dioxide that the organisms pull out of the atmosphere and deposit in the deep ocean when they die.
It has been shown that iron (Fe) can be the limiting nutrient for phytoplankton growth, in particular, in the HNLC (High Nutrient Low Chlorophyll) regions.
The experiments uniformly find that phytoplankton growth is stimulated by iron.
The concentrations of chlorophyll (proxy for phytoplankton biomass in the ocean) and nutrient (for phytoplankton growth) in the Gulf Stream region are found significantly correlated with the AMOC strength and anticorrelated with the Gulf Stream path.
Iron is a vital micronutrient for phytoplankton growth and photosynthesis that has historically been delivered to the pelagic sea by dust storms from arid lands.
All have sought to test whether stimulating phytoplankton growth can increase the amount of carbon dioxide that the organisms pull out of the atmosphere and deposit in the deep ocean when they die.
In addition, rising temperatures and / or increasing CO2 levels directly cause more abundant plant and phytoplankton growth, thus using up more CO2.
The new findings could help improve understanding of phytoplankton growth in the Southern Ocean as well as nitrogen transformations in other marine environments.
While controlled iron fertilization experiments have shown an increase in phytoplankton growth, and a temporary increase in drawdown of atmospheric CO2, it is uncertain whether this would increase carbon transfer into the deep ocean over the longer - term.
A boost of iron would stimulate phytoplankton growth, which means more carbon dioxide could accordingly be absorbed from the atmosphere.