File:Triturus alpestris female.jpg
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Summary[edit]
DescriptionTriturus alpestris female.jpg |
English: The alpine newt
English: Srpski naziv
Planinski mrmoljak Opis vrste Planinski mrmoljak naseljava pretežno brdovite i planinske predele u Srbiji i nema ga u Panonskoj niziji. Najsevernije populacije u Srbiji nalaze se na relativno niskoj nadmorskoj visini od samo oko 100 m. Dužina repa planinskog mrmoljka je približno jednaka dužini, ili malo manja, od dužine tela sa glavom. Koža je kod adultnih jedinki je glatka dok su vodi, a postaje granulozna kada su na kopnu. Leđna površina tela je mrka, siva, braona ili maslinasta, a ponekada i potpuno crna. Nejasne svetle mrlje često su prisutne na leđnoj površini formirajući karaktristične šare, a ponekada su bele fleke prisutne i na bočnim stranama. Trbušna strana je svetlo žute ili narandžaste boje. Mužjaci na kopnu imaju ostatke leđne kreste-kožnog nabora i manje izraženu kloaku od ženki. Tokom sezone parenja mužjaci imaju nisku krestu, nepodeljenu, sa svetlim i tamnim mrljama. Lateralno su raspoređene svetlo plave i bele pege ili srebrne pruge sa tamnim vrhovima.Ženke ne poseduju leđnu krestu niti bočne pruge. Plave pege na leđnoj površini mogu biti grupisane. Ženke su malo veće od mužjaka. Hibernacija počinje u septembru-oktobru i završava se u februaru-maju (ili ranije na jugu areala). Polažu od 73-190 jaja odjednom ili 3-5 tokom nekoliko dana. Kod ove vrste su česte pojave larvena hibernacija i neotenija (jedinke celog života zadržavaju spoljašnje škrge). Neke populacije u planinama sadrže uglavnom neotenične individue. Jedinke pretežno dostižu reproduktivnu zrelost u drugoj ili trećoj godini. Status zaštite vrste IUCN crvena lista - Kategorija LC; Konvencija o očuvanju evropske divlje flore i faune i prirodnih staništa - Annex III; Pravilnik o proglašenju i zaštiti strogo zaštićenih i zaštićenih divljih vrsta biljaka, životinja i gljiva: Prilog I Strogo zaštićene divlje vrste biljaka, životinja i gljiva; Rasprostranjenje U Srbiji naseljava njen zapadni, jugozapadni, istočni, jugoistočni i južni deo, pre svega staništa na većim nadmorskim visinama. |
Date | |
Source | Own work |
Author | Ivan Medenica |
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current | 20:59, 15 December 2016 | 2,877 × 2,032 (1.78 MB) | Medeniacus (talk | contribs) | User created page with UploadWizard |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | Canon |
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Camera model | Canon PowerShot SX10 IS |
Exposure time | 1/50 sec (0.02) |
F-number | f/5.6 |
ISO speed rating | 80 |
Date and time of data generation | 11:32, 21 May 2016 |
Lens focal length | 62.492 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
File change date and time | 11:32, 21 May 2016 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 11:32, 21 May 2016 |
Meaning of each component |
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Image compression mode | 5 |
APEX shutter speed | 5.65625 |
APEX aperture | 4.96875 |
APEX exposure bias | 0 |
Maximum land aperture | 4.65625 APEX (f/5.02) |
Metering mode | Center weighted average |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 15,136.929460581 |
Focal plane Y resolution | 15,116.022099448 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Manual white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |