Lichen species assemblage gradient in South Shetlands Islands, Antarctica: relationship to deglaciation and microsite conditions
作者： J. M. Rodriguez , A. Passo , J. O. Chiapella
DOI: 10.1007/S00300-018-2388-0
关键词: Lichen 、 Biology 、 Microsite 、 Physical geography 、 Terrestrial ecosystem 、 Substrate (marine biology) 、 Glacier 、 Species richness 、 Deglaciation 、 Peninsula
摘要: The glacier retreat in the Antarctic Peninsula is opening new ice-free areas and providing an excellent opportunity to study successional processes. terrestrial ecosystems have particular characteristic of being dominated almost exclusively by lichens mosses. aim present was analyze diversity, cover composition a lichen community on deglaciated gradient Potter Peninsula, King George Island (maritime Antarctica), investigate how microsite variables influence these patterns. Total cover, species richness, frequency were measured five 50 × 50 cm grids 24 sites covering whole from coast front. Microsite conditions also registered: slope, aspect, proportion different substrates (rocks, soil or bryophytes). We recorded highly diverse complex arranged three assemblages species. communities showed clear variations along studied gradient, related distance glacier, type substrate, interaction between them. consider that patterns are dynamic very heterogeneous, since they depend macroclimatic but there strong factors.
springer.com
sci-hub.se 参考文章(51)
Rodolfo del Valle, Stefan Kraus, Geological map of Potter Peninsula (King George Island, South Shetland Islands, Antarctic Peninsula) Instituto Antártico Chileno, Punta Arenas, Chile & Instituto Antártico Argentino, Buenos Aires, Argentina. ,(2008) , 10.1594/PANGAEA.667386
Maria Olech, Lichens of King George Island, Antarctica Institute of Botany of Jagiellonian University. ,(2004)
John A. Matthews, Amber E. Vater, Pioneer zone geo-ecological change: Observations from a chronosequence on the Storbreen glacier foreland, Jotunheimen, southern Norway Catena. ,vol. 135, pp. 219- 230 ,(2015) , 10.1016/J.CATENA.2015.07.016
R. E. Longton, Biology of Polar Bryophytes and Lichens ,(1988)
J. C. King, S. A. Harangozo, Climate change in the western Antarctic Peninsula since 1945: observations and possible causes Annals of Glaciology. ,vol. 27, pp. 571- 575 ,(1998) , 10.3189/1998AOG27-1-571-575
Natalia Zaldúa, Gabriela Eguren, Verónica Piñeiro, Iris Pereira, Líquenes del entorno de la base científica Antártica Artigas, Bahía Collins, Isla Rey Jorge, Antártida: Estudio preliminar Polibotánica. pp. 105- 116 ,(2012)
Per Johansson, Göran Thor, Lichen species density and abundance over ten years in permanent plots in inland Dronning Maud Land, Antarctica Antarctic Science. ,vol. 20, pp. 115- 121 ,(2008) , 10.1017/S0954102007000855
Fernando Valladares, Leopoldo G. Sancho, Lichen colonization and recolonization of two recently deglaciated zones in the maritime Antarctic Lichenologist. ,vol. 27, pp. 485- 493 ,(1995) , 10.1016/S0024-2829(95)80008-5
J. Raggio, T. G. A. Green, P. D. Crittenden, A. Pintado, M. Vivas, S. Pérez-Ortega, A. De los Ríos, L. G. Sancho, Comparative ecophysiology of three Placopsis species, pioneer lichens in recently exposed Chilean glacial forelands Symbiosis. ,vol. 56, pp. 55- 66 ,(2012) , 10.1007/S13199-012-0159-1
María Luisa Vera, Colonization and demographic structure of Deschampsia antarctica and Colobanthus quitensis along an altitudinal gradient on Livingston Island, South Shetland Islands, Antarctica Polar Research. ,vol. 30, pp. 7146- ,(2011) , 10.3402/POLAR.V30I0.7146