Technological Advances For Measuring Planktonic Components Of The Pelagic Ecosystem An Integrated Approach To Data Collection And Analysis
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Author | : Sophie G. Pitois |
Publisher | : Frontiers Media SA |
Total Pages | : 215 |
Release | : 2023-04-17 |
Genre | : Science |
ISBN | : 2832516424 |
Author | : Tong Lee |
Publisher | : Frontiers Media SA |
Total Pages | : 629 |
Release | : 2020-12-31 |
Genre | : Science |
ISBN | : 2889631192 |
This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.
Author | : Christian Lindemann |
Publisher | : Frontiers Media SA |
Total Pages | : 228 |
Release | : 2017-12-28 |
Genre | : |
ISBN | : 2889453650 |
In light of climate change and allied changes to marine ecosystems, mathematical models have become an important tool to examine processes and predict phenomena from local through to global scales. In recent years model studies, laboratory experiments and a better ecological understanding of the pelagic ecosystem have enabled advancements on fundamental challenges in oceanography, including marine production, biodiversity and anticipation of future conditions in the ocean. This research topic presents a number of studies that investigate functionally diverse organism in a dynamic ocean through diverse and novel modeling approaches.
Author | : Richard L. Iverson |
Publisher | : |
Total Pages | : 214 |
Release | : 1972 |
Genre | : Marine ecology |
ISBN | : |
Phytoplankton dynamics in Auke Bay, Alaska, were studied during summer, 1969. Nitrate, chlorophyll a, particulate organic carbon, phytoplankton and zooplankton species composition and hydrographic and meteorological data were collected and analyzed. Nitrate input into Auke Bay through freshwater runoff was negligible. A bloom of Thalassiosira aestivalis formed the spring bloom in Auke Bay in 1969. No phytoplankton bloom occurred during a June period when winds were light and variable. Two major blooms of Skeletonema costatum occurred after periods when Auke Bay surface layers were mixed by wind-induced turbulence. The water column became nearly isothermal after periods of high wind mixing although a pronounced density and halal structure persisted, a consequence of input of freshwater to the bay from Auke Creek. Examination of fecal pellets collected from the bay and results of laboratory grazing experiments suggested that Skeletonema costatum was not grazed by zooplankton living in Auke Bay. Nonlinear ordinary differential equations were written to describe phytoplankton and nitrate dynamics in Auke Bay. The phytoplankton dynamics equation included formulations for time-varying insolation and for time-varying wind mixing coefficients. Formulations for effects of nitrate concentration on the photosynthetic assimilation number and for effects of phytoplankton standing crop on the extinction coefficient of light in the water column were included. The nitrate dynamics equation included a formulation for effects of wind-mixing of nitrate-rich water into the euphotic zone from deeper layers of the water column, as well as a formulation for utilization of nitrate in phytoplankton growth. Computer simulation response of the equations reproduced the bloom pattern observed in the field data with some discrepancies caused by assumptions used in model development. The phytoplankton and nitrate model response was strongly coupled to the pattern of the wind-mixing coefficient, as required by the field data. Variations in model parameters had little effect on phase relations between model response and field data but strongly affected model response magnitude.
Author | : Tom Andersen |
Publisher | : Springer Science & Business Media |
Total Pages | : 291 |
Release | : 2013-06-29 |
Genre | : Science |
ISBN | : 3662034182 |
An analysis of the interactions between pelagic food web processes and element cycling in lakes. While some findings are examined in terms of classical concepts from the ecological theory of predator-prey systems, special emphasis is placed on exploring how stoichiometric relationships between primary producers and herbivores influence the stability and persistence of planktonic food webs. The author develops simple dynamic models of the cycling of mineral nutrients through plankton algae and grazers, and then goes on to explore them both analytically and numerically. The results thus obtained are of great interest to both theoretical and experimental ecologists. Moreover, the models themselves are of immense practical use in the area of lake management.
Author | : Tracey T. Sutton |
Publisher | : Frontiers Media SA |
Total Pages | : 197 |
Release | : 2021-05-03 |
Genre | : Science |
ISBN | : 2889667162 |
Author | : |
Publisher | : |
Total Pages | : 0 |
Release | : 2018 |
Genre | : |
ISBN | : |
In light of climate change and allied changes to marine ecosystems, mathematical models have become an important tool to examine processes and predict phenomena from local through to global scales. In recent years model studies, laboratory experiments and a better ecological understanding of the pelagic ecosystem have enabled advancements on fundamental challenges in oceanography, including marine production, biodiversity and anticipation of future conditions in the ocean. This research topic presents a number of studies that investigate functionally diverse organism in a dynamic ocean through diverse and novel modeling approaches.
Author | : |
Publisher | : |
Total Pages | : 732 |
Release | : 1979 |
Genre | : Environmental engineering |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 740 |
Release | : 1979 |
Genre | : Environmental engineering |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 732 |
Release | : 1979 |
Genre | : Environmental engineering |
ISBN | : |