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Razširjenost in ogroženost navadne jagodičnice (Arbutus unedo L.) v Sloveniji : diplomsko delo - univerzitetni študij
Žnidaršič, Aljoša (Author), Brus, Robert (Mentor) More about this mentor... This link opens in a new window

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Abstract
Navadna jagodičnica (Arbutus unedo L.) je v Sredozemlju pogosta evmediteranskavrsta, katere areal sega tudi v Istro. Do leta 1971, ko je bila odkrita na rtu Ronek, kjer je danes edino verjetno naravno nahajališče v Sloveniji in je najbolj severna populacija na vzhodni jadranski obali, je bilav Tržaškem zalivu le sajena. Glavni cilji naloge so bili ugotoviti stanje in tendenco razvoja populacije na rtu Ronek ter jo primerjati s populacijo z rta Dente pri izlivu reke Mirne na Hrvaškem, najbližjo naravno populacijo. Populacija na rtu Ronek obsega 19 relativno vitalnih osebkov z dobrimi svetlobnimi razmerami, zmernim cvetenjem in slabim obrodom. Pomlajevanja se niugotovilo. Z morfometrijsko analizo listov se ni odkrilo značilnih razlik med populacijama. Jagodičnica je vrsta vmesnih sukcesijskih stadijev. Ker ji za svetlobo konkurirajo druge drevesne vrste in vzpenjalke, je za njeno ohranitev na rtu Ronek potrebno ukrepanje. V nalogi so bile raziskale prednosti in slabosti petih strategij, ki se jih je analiziralo po SWOT metodi.

Language:Slovenian
Keywords:Arbutus unedo L., navadna jagodičnica, Rt Ronek, krajinski park Strunjan, marginalna populacija, ohranjanje genskih virov, morfometrijska analiza, SWOT analiza, razširjenost vrste, ogroženost vrste
Work type:Undergraduate thesis (m5)
Tipology:2.11 - Undergraduate Thesis
Organization:BF - Biotechnical Faculty
Year:2014
Publisher:[A. Žnidaršič]
Number of pages:VIII, 51 str.
UDC:630*1
COBISS.SI-ID:3816102 This link opens in a new window
Views:386
Downloads:173
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Secondary language

Language:English
Title:Distribution and conservation status of Arbutus unedo L. in Slovenia
Abstract:
Arbutus unedo L. is a common tree species in the Mediterranean whose natural distribution range extends as far north as the Istrian peninsula. Historically, A. unedo was cultivated in the Trieste Gulf, however, there wereno known natural locations of this species. Until 1971, the only probable northern-most natural location in the eastern Adriatic Sea was in cape Dente, located at the mouth of the Mirna River in Croatia. In 1971, a small population of A. unedo was discovered in Slovenia, and is now believed to be the northern-most natural population of the eastern Adriatic coast. The goal of this project was to assess the situation, state, and development trend of A. unedo in cape Ronek, and to determine whether there were significant differences between this and the cape Dente population. The cape Ronek population comprises of 19 relatively viable specimens with good light conditions, poor to moderate flowering and poor fruiting. There were no signs of any regeneration and leaf morphometric analysis revealed no differences between populations. Because A. unedo is a species of intermediate successional stages with strong competition for light from other tree species and climbers, action is necessary for its conservation on cape Ronek. The advantages and disadvantages of five strategies for conserving the population has been researched and presented in SWOT table analyses.


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