Glossary entry

English term or phrase:

ecotone

Czech translation:

ekoton

Jun 29, 2009 13:23
15 yrs ago
English term

ecotone

GBK English to Czech Science Zoology
a narrow and fairly sharply defined transition zone between two or more communities (Allaby 1998); eg the different plankton communities that occur on opposite sides of fronts.
Example sentences:
Macroinvertebrate biomass was highest at an intermediate riparian ecotone complexity with an adequate supply of organic matter and incident light. Fish biomass followed the same trend, being lowest in heavily shaded areas and in open channels without riparian vegetation (range: 1-4.5 g m-2), but highest in ecotones of intermediate complexity (range: 1.6-92.8 g m-2). The cascading effect of invertebrate density depletion, which was inversely related to fish biomass, was observed seasonally. (Wiley InterScience)
The complexity and biological importance of riparian ecotones depend on the extent to which the system is self-regulating, which depends in turn on geology, physiography, climate, vegetation, human activity and the age of the system. (Fish and riparian ecotones – a hypothesis)
A common example of ecotones is estuaries—the transitional area between rivers and the oceans. The variety of species found in an estuary is much higher than in the river or in the shallow sea-water. (BASICS OF ECOLOGY & LIFE SUPPORT SYSTEMS)
Proposed translations (Czech)
5 +2 ekoton
Change log

Jun 29, 2009 13:21: changed "Kudoz queue" from "In queue" to "Public"

Jun 29, 2009 13:23: Enrique Cavalitto changed "Stage" from "Preparation" to "Submission"

Jul 2, 2009 13:54: changed "Stage" from "Submission" to "Selection"

Aug 20, 2009 12:54: changed "Stage" from "Selection" to "Completion"

Proposed translations

+2
2 days 2 hrs
Selected

ekoton

Definition from Živa:
Ekoton je přechodová zóna mezi dvěma dobře definovanými společenstvy(resp. ekosystémy).
Example sentences:
V řadě případů mají největší diverzitu hub nikoli „čisté” typické biotopy, ale ekotony mezi nimi (lemy vodních toků, lesní lemy rašelinišť, příkopy podél lesních cest, meze), plošky v krajinné matrici (malá lesní rašeliniště, prameniště, světliny apod.) nebo místa ovlivněná menšími disturbancemi (obnažená půda v lesích s odstraněnou vrstvou nadložního humusu, břehy úvozů, spáleniště apod.). (Červená kniha biotopů)
V posledním roce byly kromě botanických nálezů učiněny i významné nálezy malakozoologické: Vertigo moulinsiana (kriticky ohrožený druh v celé Evropě, vázán na kosená pěnovcová prameniště, v nekosených prameništích nežije) a Lehmannia nyctelia (první nález v ČR, žije v ekotonu mezi koseným pěnovcovým prameništěm a lesem). (Ministerstvo Životního Prostředí ČR)
Peer comment(s):

agree Jiri Farkac
7 days
agree Marek Buchtel
49 days
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4 KudoZ points awarded for this answer.
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