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Endemic - PowerPoint Presentation

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Endemic - PPT Presentation

species relicts Výukový materiál EK 01 07 Tvůrce Ing Marie Jiráková Tvůrce anglické verze Mgr Milan Smejkal Projekt S anglickým jazykem do dalších předmětů Registrační číslo CZ1071136030005 ID: 274604

endemic species relicts taxa species endemic taxa relicts area republic range czech mountains european latitude ice hey areas steno limited territory kincl

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Slide1

Endemic species, relicts

Výukový materiál EK 01 - 07Tvůrce: Ing. Marie JirákováTvůrce anglické verze: Mgr. Milan SmejkalProjekt: S anglickým jazykem do dalších předmětůRegistrační číslo: CZ.1.07/1.1.36/03.0005Tento projekt je spolufinancován ESF a SR ČRSlide2

endemic taxa

they have the natural range limited only to a territory on a limited areathey are not found outside that territory Slide3

restricted area(range)

it has a different scalesome species known as European endemic species such as Abies

alba

European

silver

fir

or

Central

European

endemic

species such as

Aconitum

plicatum

-

monkshood

k

nown

as

e

uryendemicsSlide4

Endemic taxa

the presence of endemic species in the flora of the area is most often associated with:geological isolation eg. in the mountains or on islands temporal

isolation

Slide5

steno-endemic species

species with small areas eg. an island, a mountain range or a single locationSlide6

The rate of

endemismit increases with the lower latitude - the closer to the equator, the more endemic taxa in these areasSlide7

Neoendemits

time is very important hereall endemic species in the Czech Republic are considered NEOENDEMITS and they arose during the QuaternarySlide8

Paleoendemits

according to the evolutionary theory older species are known as PALEOENDEMITSearlier

species with a larger area, which dwindled

in

the

course

of

timeSlide9

Endemic species

currently in the Czech Republic there are about 80 endemic species and subendemic species (species with the vast majority of sites in our area)the largest

representation of endemic species

is

    in the Giant Mountains (more than 20) Slide10

relicts

taxa whose simultaneous occurrence represents the remainder of an earlier, much larger expansionSlide11

Relicts

reducing areas of these taxa was mostly due to strong cooling of the climate in connection with the onset of ice agesSlide12

Relicts

the most famous relict from the last ice age is Rubus chamame mulberries, which grows in our republic

only

on the peat bogs in the Giant Mountains

,

whereas

in northern Europe

it

is

a common type with

the

continuous

growthSlide13

Worksheets - revision

Which taxa are known as endemic species?Explain the terms: euryendemics, steno-endemic species, relicts.What is the impact of the rate of endemism on the latitude?Are there any endemic species and relicts in the Czech Republic?Slide14

SourcesKINCL, Lubomír, Miloslav KINCL a Jana JAKRLOVÁ.

Biologie rostlin pro 1. ročník gymnázií. Třetí, upravené vydání – dotisk. Praha: Fortuna, 2003. ISBN 80-7168-736-7.GERŽA, M. Endemismus v České republice. Rostliny část 1. - ochrana přírody. 2009, roč. 2009, č. 2.