Dispersal of lichens along a successional gradient after deglaciation of volcanic mesas on northern James Ross Island, Antarctic Peninsula

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12310%2F18%3A43897472" target="_blank" >RIV/60076658:12310/18:43897472 - isvavai.cz</a>

Alternative codes found

RIV/67985939:_____/18:00500471 RIV/68378050:_____/18:00500471 RIV/00216208:11310/18:10386388 RIV/00216224:14310/18:00108890

Result on the web

<a href="https://link.springer.com/content/pdf/10.1007%2Fs00300-018-2357-7.pdf" target="_blank" >https://link.springer.com/content/pdf/10.1007%2Fs00300-018-2357-7.pdf</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s00300-018-2357-7" target="_blank" >10.1007/s00300-018-2357-7</a>

Result language

angličtina

Original language name

Dispersal of lichens along a successional gradient after deglaciation of volcanic mesas on northern James Ross Island, Antarctic Peninsula

Original language description

Aerial dispersal in the colonization of bare ground by lichens in the polar regions remains poorly understood. Potential colonists may arrive continually, although extreme abiotic conditions limit their viability. We investigated the vegetative dispersal of Antarctic macrolichens along a successional gradient (from 8.6-7.0 ka BP up to present) after glacial retreat on James Ross Island, in the Antarctic Peninsula region. We collected lichen fragments by means of sticky traps glued on the ground and exposed for 1 year. Foliose or fruticose growth types were the most frequently recorded species (namely Usnea spp. and Leptogium puberulum) together with widely distributed fungi mycelia, while crustose lichens were not found. Although these two lichen species are also locally the most common, their frequency of occurrence in the traps was largely unrelated to local dominance, indicating long-distance dispersal. On the other hand, the dispersed community assembly was related to overall lichen cover and ground physical structure (clast size). There was a gradient of species occurrence frequency increasing with maximal clast size and distance from the glacier front. These results imply that there is no dispersal limitation (at least for certain lichen species) in the colonization of newly deglaciated substrates at the regional scale on James Ross Island. However, lichen establishment is rather rare, and growth of a lichen community is therefore a long-term process.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

10618 - Ecology

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2018

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Polar Biology

ISSN

0722-4060

e-ISSN

—

Volume of the periodical

41

Issue of the periodical within the volume

11

Country of publishing house

US - UNITED STATES

Number of pages

12

Pages from-to

2221-2232

UT code for WoS article

000446075800005

EID of the result in the Scopus database

2-s2.0-85048761494