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Topic: Biocoenosis


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In the News (Thu 23 May 19)

  
  Encyclopedia :: encyclopedia : Biocoenosis   (Site not responding. Last check: 2007-11-07)
A biocoenosis (alternatively, biocoenose or biocenose), termed by Karl Möbius in 1877, describes all the interacting organisms living together in a specific habitat (or biotope).
An ecosystem, as originally defined by Tansley (1935), is a biotic community (or biocoenosis) along with its physical environment (or biotope as defined by many ecologists).
The importance of the biocoenosis concept in ecology is its emphasis on the interrelationships between species living in a geographical area.
www.hallencyclopedia.com /topic/Biocoenosis.html   (327 words)

  
 scour troughs
Reconstruction of the Biocoenosis I. A scouered large ammonite shell of P.
This biocoenosis (fig.54) characterize the facies of the lower ramp (scour trough phase I).
During scour trough phase I to V of the basal Puzosia event I the biocoenosis changed from biocoenosis I to III.
www.paleologic.de /scourtroughsbiocoenosis.html   (565 words)

  
 Parasitologie Biologie der Humanparasiten
With respect to the masses of their bodies and shells, snails take part in the turnover of the biomass of a biocoenosis to a considerable extent.
However, as the IH of a specific trematode, only a minority of a population of the corresponding snail group, nomally a local species, is generally involved.
Therefore, the general reduction of snails in a fresh water lake or river by chemicals does not primarily hit the parasites as a target but instead affects the balance of the biocoenosis.
www.vektorbiologie.uni-tuebingen.de /buch/text_e/z_70.html   (523 words)

  
 BTU Cottbus, Lehrstuhl für Bauinformatik   (Site not responding. Last check: 2007-11-07)
On the other hand, ecologists fear the changes in the biocoenosis of the river and its banks to which groynes may lead.
However, the complex relationships between the biocoenosis and the ecological factors characterizing a groyne field are only poorly understood so far.
Therefore, a research project has been launched in Germany 1998, with the objective to investigate those relationships, and to prepare a knowledge base for a decision support system to be used when the construction of further groynes will be planned in the future.
www.bauinf.tu-cottbus.de /Research/ElbeAbstract.html   (252 words)

  
 Ecosystem - Palaeos   (Site not responding. Last check: 2007-11-07)
In general terms an ecological system can be thought of as an assemblage of organisms (plant, animal and other living organisms—also referred to as a biotic community or biocoenosis) living together with their environment (or biotope), functioning as a loose unit.
It was subsequently applied by Howard T. Odum, sometimes called the 'father' of ecosystems ecology, in founding the transdiscipline known as systems ecology.
The ecosystem is composed of two entities, the entirety of life, the biocoenosis and the medium that life exists in, the biotope.
www.palaeos.org /Ecosystem   (1154 words)

  
 [No title]
Characteristic here are the biocoenosis developed on the dry sand banks, on the sands bathed by the sea or by the
, as well as the biocoenosis adapted to high salinity variations.
It is a favourite nesting area for the limicolous species, for Shelducks (“Bisericuta” island), as well as for laridae and sternidae families (halophyle sand banks), being an important nesting and feeding area for winter guests.
www.ddbra.ro /ENG/DDBRA/Z-perE.htm   (80 words)

  
 CHU ÈR 2 - Glossary of Scientific Terms
Biocentre - site or group of sites in the landscape the state and scope of which enables a permanent existence of a natural or near-nature ecosystem; its purpose is to conserve biodiversity (biofund, gene fund) of the given landscape (see also diversity, gene fund).
Biocoenosis - set of organisms interconnected by mutual links and bound with a certain environment (site).
Climax - balanced community (biocoenosis) the composition and function of which are in dynamic equilibrium with inanimate environment.
www.monet.cz /zp/chruzemi/cr2_antx/chu-slvo.htm   (1895 words)

  
 DRACULA’S POSTULATES AND BIOCOENOSIS STABILITY
The real biocoenosis is approximated by the superposition of virtual ones, everyone composed of the same populations as the genuine, but with different degrees of correlation among them.
Second superposition lemma: within a stable biocoenosis, the set of pyramid’ sizes, expressed in pyramoles, is the image of a sequence of natural numbers.
This means that each virtual biocoenosis satisfies the condition of entropy local balance.
atlas.ici.ro /ehto/MEDINF99/papers/Iacobas/Iacobas1.htm   (3052 words)

  
 Water Science and Technology 29:12 (1994) 255-266 - T. Gschlol - UV-disinfection of treated wastewater: possible ...
The possibility to improve the hygienic and also the ecological structure of receiving waters was put to discussion.
Possible effects of formed bypproducts upon the water biocoenosis of rivers were pointed out.
The results demonstrated that UV-irradiation can diminish the number of germs in the outlet of a treatment plant to an extent which is sufficient to guarantee the maintenance of the bacteriological and presumably also the virological values set by the EC Bathing Water Directive.
www.iwaponline.com /wst/02912/wst029120255.htm   (247 words)

  
 OEDILF - Word Lookup
The following limerick is in a "Tentative" state, which means the information contained within has not yet been verified.
Biocoenosis (BYE-o-sen-OH-sis): an ecological community of interacting organisms that is able to sustain itself.
The information on this page may not be reproduced in any form without written permission by the.
www.oedilf.com /db/Lim.php?Word=biocoenosis   (135 words)

  
 Ecology   (Site not responding. Last check: 2007-11-07)
The outer layer of the planet Earth can be divided into several compartments: the hydrosphere (or sphere of water), the lithosphere (or sphere of soils and rocks), and the atmosphere (or sphere of the air).
The ecosystem is composed of two entities, the entirety of life (called the biocoenosis) and the medium that life exists in (the biotope).
Within the ecosystem, species are connected and dependent upon one another in the food chain, and exchange energy and matter between themselves and with their environment.
ecology.iqnaut.net   (3342 words)

  
 BDM Part 2.1   (Site not responding. Last check: 2007-11-07)
Mentioned above ecosystems together with numerous rivers and lakes create unique and very valuable landscapes, on which occur very rich biocoenosis and many rare species of fauna and flora.
A grate importance for biological diversity state in Poland has a line of junction of land and sea ecosystems.
In this regions occur rich biocoenosis with large participation of rare and vanished species.
www.ios.edu.pl /biodiversity/2e/r2_1a.htm   (271 words)

  
 Service Portal der vermicon AG
These questions usually require an unadulterated view of the actual bacteria biocoenosis in order to enable alterations to be monitored.
With molecular biological methods the analysis of the changing populations can be effectively carried out.
The identification, quantification, and if desired, visualisation of the bacteria allows an exact analysis of the biocoenosis and gives therefore an insight into the conditions actually present in the sample.
www.vermicon.com /services/en/applications.php   (760 words)

  
 Acidic mining lakes
The extreme characteristics of sulphur-acidic water systems not only determine the species inventory, but also the functioning of communities at the cell, population and total biocoenosis level.
We need to understand and evaluate colonization strategies, food web relations, mechanisms of adaptation and evolution in order to develop and recommend remediation strategies for such ecosystems.
The transformations that are realized are the result of ecological interactions between strains, populations or within the biocoenosis.
www.ufz.de /spb/oesa/index.php?en=4948&pof_nr=p5010302   (217 words)

  
 ICID - John Wiley & Sons, Ltd.
Now that all EC countries must receive the EC Directive on Water Quality, there is a greater need to improve the quality of measurements, both in chemical and biological fields and this book describes the best practices in measuring water, quality, standard procedures and quality assurance in relation to current legislation and guidelines.
The series aims to offer practical answers to specific issues related to measurements of the water cycle quality, using a scientifically sound approach.
Biocoenosis in evaluation of the ecological status of the lake
www.wiley.co.uk /wileychi/irrigation/heinonen.html   (233 words)

  
 Projektbereich B
Biocoenosis (PB B) Working group "Biocoenosis" ("Biozönose") analyzes processes and mechanisms of recolonization.
With time, the focus changes from the analysis of processes at object scale to the analysis of the development of dynamical patterns of landscape scale.
Primary succession in mining lakes depending on temporal dynamics of resource concentration under disturbed, extremely acidic and changing hydrological and chemical conditions (neutralization)
www.tu-cottbus.de /BTU/Innov/sub_sites/sfb565/eng/p/b.html   (95 words)

  
 Biozoenose - biocoenosis (German to English translation glossary) Environmental protection,Biology ...
The KudoZ network provides a framework for translators and others to assist each other with translations or explanations of terms and short phrases.
Effect of disturbances on the benthic biocoenosis in pristine and human impacted section of the river Ilm
Variant(s): or bi·o·coe·no·sis \secondarystressbimacrosdotted schwaprimarystressnomacrsdotted schwas\; or bi·o·ce·nose also bi·o·coe·nose \-primarystresssemacronsecondarystressnomacrs\
www.proz.com /kudoz/943504   (237 words)

  
 The ECOSYSTEM concept
For modern ecologists, ecology can be studied at several levels: population level (individuals of the same species), biocoenosis
An ecosystem can be defined as any situation where there is interaction between organisms and their
Within the ecosystem, species are connected and dependent upon one another in the food chain, and exchange energy and
www.ykta.com /index1044.htm   (2545 words)

  
 AQUATEC - INNERSPACE OPERATIONS
This will be investigated in the next 4 weeks.
During the recent dives, I gained plenty of new experiences: I was able to observe animals and biocoenosis I only knew from books.
Though, I would like to confine myself to only describing that kind of animals and their behaviour, which is of particular significance in the context of circadian rhythm.
www.aquatec-innerspace.com /aioeikerepeng.htm   (618 words)

  
 CH   (Site not responding. Last check: 2007-11-07)
What is the difference between a body fossil and a trace fossil?
What are the steps between a biocoenosis and the collection of the fossils produced by that biocoenosis?
Point out where information can get "lost" in this process and how.
itc.gsw.edu /faculty/bcarter/paleo/t1.htm   (484 words)

  
 INA8
Phase 1 probably did not last more than a few thousand years.
Phase 2 is well represented in the studied cores of the Campos Basin by the Thoracosphaera and Neobiscutum blooms in a low-diversity environment (oligotaxic biocoenosis).
During the blooms, there was a quick depletion of the nutrients, generating an increase in the diversity (polytaxic biocoenosis) due to the necessity of interdependence among organisms (Phase 3).
www.nhm.ac.uk /hosted_sites/ina/ina8/abstr_g06.html   (368 words)

  
 [No title]   (Site not responding. Last check: 2007-11-07)
- Biocoenosis: Collection of living organisms which find everything for growth and development in a particular geographic area.
In European Literature Biocoenosis is equivalent to the U. definition of community.
- Biocoenosis = community (definition in U.S.) - Biogeocoenosis = biome = major life zone - Ecosystem = plants and animals interacting with the physical environment PAGE 10 !)ÍÓ&/8Øê4v¾Ä!
www.nrm.calpoly.edu /envm/files/306/Section01.3.DOC   (1340 words)

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