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Topic: Holoplankton


In the News (Wed 23 Dec 09)

  
  Inter Research » MEPS » v156 » p75-86
The associations of holoplankton, meroplankton and meiofauna with marine snow, as well as their behavior upon encountering marine snow, were investigated using SCUBA in the field and a vertical flume in the laboratory.
Holoplanktonic adult calanoid and cyclopoid copepods, larvaceans, and copepod nauplii were found on aggregates.
The concentration and behavior of organisms on aggregates suggests that marine snow is an important component of the pelagic environment for a variety of both holoplanktonic and meroplanktonic zooplankton.
www.int-res.com /abstracts/meps/v156/p75-86   (272 words)

  
 [No title]   (Site not responding. Last check: 2007-11-05)
Holoplankton: Organisms that remain free-swimming plankton throughout their life cycle.
Holoplankton: Organisms spending all their life in the water column an dnot on or in the sea bed.
Holoplankton: Plankton that remains free-swimming through all stages of its life cycle.
mvs.smsu.edu /ebio35/Homework/As-3-r.htm   (1830 words)

  
 Marine Life: Plankton   (Site not responding. Last check: 2007-11-05)
Plankters are also divided into the holoplankton and the meroplankton by their life cycle modes.
Dinoflagellates are considered to be holoplanktonic, many with flotation mechanisms similar to the diatoms (spines, oil droplets, colonies).
Holoplanktonic forms of zooplankton are also found, primarily small crustaceans (like copepods and krill).
www.biosbcc.net /ocean/marinesci/03ecology/mlplankton.htm   (2822 words)

  
 Plankton - Wikipedia, the free encyclopedia
Larger organisms that can control their horizontal movement and swim against the average flow of the water environment, such as squid, fish, and marine mammals, are called nekton.
The term holoplankton refers to organisms that spend their entire life cycle as part of the plankton, such as krill, copepods, salps, and jellyfish.
Meroplankton, in contrast, are only planktonic for part of their lives (usually the larval stage).
en.wikipedia.org /wiki/Plankton   (444 words)

  
 Communities of sandy beaches and contact zone of the Baltic Sea (Kaliningrad Region, Russia), VII International Congress   (Site not responding. Last check: 2007-11-05)
The zooplankton of the contact zone of the Sambian peninsula on the plot from Ze­lenogradsk to the Zabava river was described earlier in 1999 – 2001 (Matviy, 2001).
It is shown that 35 holoplankton species belong to the composition of zooplankton of this area (9 species from the order of Copepoda, 16 species from the order of Cladocera, 9 rotifer species and 1 protozoan species).
Besides holoplankton, zooplankton composition of the Sambian peninsula in­cludes a great diversity of mero- and tihozooplankton forms.
www.vitiaz.ru /congress/en/thesis/191.html   (1199 words)

  
 Mission Creek - Holoplankton
Some live their entire live in the water (holoplankton) and others only have their larval stages in the water (meroplankton).
Holoplankton spend their entire lives as part of the plankton.
It includes any organisms whether authotrophic or heterotropic, that is controlled by the water movement in which they reside.
www.msnucleus.org /watersheds/mission/holoplankton.html   (1460 words)

  
 MUSE - Beyond the reef
The heteropod is a seafaring marine snail and is one of the more unusual members of the holoplankton never leaving the open ocean.
Zooplankton includes both holoplankton - animals that spend their entire lives as part of the plankton, as well as meroplankton - those that only spend a larval or reproductive stage as part of the plankton.
The tropical waters around the Great Barrier Reef contain a huge diversity of jellyfishes, all of which are predatory, securing their prey using stinging cells (nematocysts) or sticky cells (colloblasts).
www.austmus.gov.au /muse/jan2003/feature4.htm   (748 words)

  
 Physical-Biological Coupling and Impacts of Global Change
While all animals in the sea are affected to some degree by the dynamics of the waters around them, it seems likely that planktonic animals are the most tightly coupled to the physics of the fluid medium.
Since the majority of marine animals spend at least a portion of their life in the plankton, we intend to focus most of our attention on zooplanktonic organisms, both the holoplankton and the meroplankton.
The holoplankton, such as numerous copepods and other macro- and microzooplankters, completes its entire life cycle in the plankton.
www.usglobec.org /reports/isp/isp.iib.html   (1384 words)

  
 Annual Monitoring of Mero- and Holoplankton in the Oceanarium of Sevastopol Bay - Begell House Inc.   (Site not responding. Last check: 2007-11-05)
The species composition and seasonal dynamics of the numbers and biomass of mero- and holoplankton both outside and inside of the oceanarium of Sevastopol Bay were studied during a year.
It has been found that meroplankton was represented by 18 species, whereas holoplankton - by 34 species.
Seven species of Copepoda were first found in holoplankton of the bay.
www.begellhouse.com /journals/38cb2223012b73f2,0fa2acc625f445fc,654421917b92a451.html   (146 words)

  
 [No title]   (Site not responding. Last check: 2007-11-05)
Title : SGER: Chemical Ecology of Oceanic Holoplankton: Implications in Energy Flux and Mixed Species Assemblages Abstract : This SGER (Small Grants for Exploratory Research) project pertains to chemical defense in zooplankton communities and its role in food web dynamics.
It will employ ecologically relevant predators (fish and shrimp) in standard feeding bioassays to determine whether chemical extracts isolated from holoplanktonic organisms serve as feeding deterrents.
This information will be critical to the development of a comprehensive understanding of the roles of bioactive compounds in the ecology of holoplanktonic communities.
www.cs.utexas.edu /users/yguan/NSFAbstracts/Abstracts/GEO/OCE.GEO.a9725040.txt   (153 words)

  
 bullard   (Site not responding. Last check: 2007-11-05)
My remaining work has examined anti-predator defenses in holoplanktonic organisms (organisms that spend their entire lives in the water column, such as jellyfish and ctenophores).
In response to ecosystem-level changes, holoplankton are believed to be becoming dominant players in many marine systems, such as the Black Sea.
Thus, in environments where fish populations have been over harvested and replaced by holoplankton, it may be difficult to return to fish dominated systems even in the absence of fishing.
www.marinesciences.uconn.edu /teamb/Pages/people/bullard.htm   (706 words)

  
 Plankton.HTM
Marine plankton consists of a variety of organisms such as diatoms, dinoflagelates, and some crustaceans which spend their entire lives as plankton (holoplankton).
Plankton is also comprised of juvenile stages of the invertebrates and vertebrates, which are only plank tonic for a short while before they settle out onto the bottom to become bottom dwellers (meroplankton).
Figure C : Holoplankton which is also zooplankton These organism are animals from the arthropoda phylum.
king.prps.k12.ca.us /prhs/pasohigh/classes/Fairbank/public.www/homepage/Biology/Marine/Plankton/Plankton.HTM   (592 words)

  
 Subtidal 44
PART F. The zooplankton consist of holoplankton and meroplankton.
The holoplankton are permanent members of the plankton community and the shallow nearshore is typically dominated by calanoid and cyclopoid copepods, hyperiid amphipods, ctenophores, medusue and larvaceans.
The meroplankton are temporary residents of the plankton that eventually recruit to the benthos.
srmwww.gov.bc.ca /risc/o_docs/coastal/subtidal/subtidal-44.htm   (2026 words)

  
 zooplankton --  Britannica Concise Encyclopedia - The online encyclopedia you can trust!   (Site not responding. Last check: 2007-11-05)
Many animals, from single-celled Radiolaria to the eggs or larvae of herrings, crabs, and lobsters, are found among the zooplankton.
Permanent plankton, or holoplankton, such as protozoa and copepods (an important food for larger animals), spend their lives as plankton.
Temporary plankton, or meroplankton, such as young starfish, clams, worms, and other bottom-dwelling animals, live and feed as plankton until they leave to become adults in their proper habitats.
www.britannica.com /ebc/article-9078449   (743 words)

  
 Untitled Document
Organisms that spend their whole lives drifting are called holoplankton; those spending only part of their lives as plankton are called meroplankton (MARE, 1995).
Most meroplankton are the larvae of animals which spend their adult lives on the bottom or free swimming (MARE, 1995).
Copepods graze on phytoplankton, and, as the most numerous animals on earth, are critically important to the ocean ecosystem (MARE, 1995).
marinediscovery.arizona.edu /lessonsF00/bryozoans/2.html   (2123 words)

  
 School of Ocean & Earth Science - SOES 3013 : Zooplankton Ecology and Processes
Practical classes are designed to introduce the diversity of mero- and holoplankton forms and to train students in formal taxonomic identification of temperate water species.
The impact of zooplankton grazing pressure, in relation to the quantity, quality and species composition of available diet is measured and analysed.
Students will examine: taxonomy of holoplankton and meroplankton specieis; the measurement of holoplankton grazing rates on a range of plytoplankton species
www.soes.soton.ac.uk /teaching/undergraduate/unit_courses/index.php?link=details.php&id=45   (776 words)

  
 Holoplankton - Wikpedia   (Site not responding. Last check: 2007-11-05)
Holoplankton are organisms that are planktonic for their entire life cycle.
Examples of holoplankton include diatoms, radiolarians, dinoflagellates, foraminifera, amphipods, krill, copepods, salps, and jellyfish.
This page was last modified 20:44, 17 Apr 2005.
www.bostoncoop.net /~tpryor/wiki/index.php?title=Holoplankton   (42 words)

  
 NEPIP - Target Species
For the marine holoplankton, this will encompass their entire life-span; for the salmon, the earliest marine phase, as juveniles in the coastal ocean, when ocean survival is probably established, is of greatest interest.
Some species of subarctic and transitional holoplankton (e.g., copepods Eucalanus bungii, Calanus marshallae, Calanus pacificus, Metridia pacifica; euphausiid Euphausia pacifica, Thysanoessa spinifera) are common in both the CCS and CGOA.
Genetic studies on these stocks may be valuable in examining relationships between broad-scale circulation patterns and population structures.
www.usglobec.org /reports/rep17/nepip.imp.species.html   (1238 words)

  
 [No title]
Issues you should consider when describing the distribution of the groups might include salinity, water depth.
Why are meroplankton (and holoplankton too) so much rarer at site A than the other sites?
Although we have no measurements in this instance, you may postulate that primary production and the abundance of phytoplankton is much lower at site A than at any of the other shallower basin sites.
www.bio.hw.ac.uk /marine/modules/plank99.doc   (465 words)

  
 Chap12
List and describe the various categories of plankton (phytoplankton, zooplankton, bacterioplankton, macroplankton, picoplankton, holoplankton, meroplankton)
List and describe the adaptations seen in marine organisms
holoplankton spend their entire lives in plankton form
www.pierce.ctc.edu /rmay/OCEAN101/Chap12.htm   (1181 words)

  
 Natural Selection: subject gateway to the natural world
These pages offer an introduction to the waters beyond the Great Barrier Reef, which teem with the tiny organisms known as plankton.
The site gives overviews of the different types of plankton; phytoplankton, zooplankton, holoplankton and meroplankton.
Detailed photographs of species within each group complement the text.
nature.ac.uk /browse/591.77.html   (10414 words)

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