Detailed Information on Publication Record
2016
Death age, seasonality, taphonomy and colonization of seal carcasses from Ulu Peninsula, James Ross Island, Antarctic Peninsula
NÝVLT, Daniel, Miriam NÝVLTOVÁ FIŠÁKOVÁ, Miloš BARTÁK, Zdeněk STACHOŇ, Václav PAVEL et. al.Basic information
Original name
Death age, seasonality, taphonomy and colonization of seal carcasses from Ulu Peninsula, James Ross Island, Antarctic Peninsula
Authors
NÝVLT, Daniel (203 Czech Republic, guarantor, belonging to the institution), Miriam NÝVLTOVÁ FIŠÁKOVÁ (203 Czech Republic), Miloš BARTÁK (203 Czech Republic, belonging to the institution), Zdeněk STACHOŇ (203 Czech Republic, belonging to the institution), Václav PAVEL (203 Czech Republic), Bedřich MLČOCH (203 Czech Republic) and Kamil LÁSKA (203 Czech Republic, belonging to the institution)
Edition
Antarctic Science, Cambridge, Cambridge University Press, 2016, 0954-1020
Other information
Language
English
Type of outcome
Článek v odborném periodiku
Field of Study
10618 Ecology
Country of publisher
United States of America
Confidentiality degree
není předmětem státního či obchodního tajemství
Impact factor
Impact factor: 1.461
RIV identification code
RIV/00216224:14310/16:00089223
Organization unit
Faculty of Science
UT WoS
000372521000002
Keywords in English
James Ross Island; preservation state; Prince Gustav Channel; sea ice; seal behaviour
Tags
Tags
International impact, Reviewed
Změněno: 13/3/2018 13:32, doc. Mgr. Daniel Nývlt, Ph.D.
Abstract
V originále
The origin and nature of seal carcasses scattered around the Ulu Peninsula, James Ross Island, is examined using robust and novel multidisciplinary analysis. Spatial distribution analysis indicates their predominance at low elevations and on surfaces with negligible slope. The seals died throughout the last century. Dental cement increments indicate that the seals died in late winter, and we interpret this to show an influence of the persistence and break-up of sea ice and the appearance of pools/cracks in the northern Prince Gustav Channel on death. Specifically, after being trapped by a late winter freeze-up the seals search for open water, become disoriented by snow-covered flat valleys and move inland. Carcasses from all age groups of crabeater seal are found on land, but inland movement is less notable for Weddell and leopard seals. Although most carcasses appear to have remained unchanged during the last 10 years due to the cold and dry conditions, a few carcasses that are located in sites of snow accumulation and subsequent melting have undergone enhanced decay. Decaying seal carcasses represent loci of nutrient release in a nutrient deficient environment and are colonized by algae, cyanobacteria, lichens and mosses. This research suggests further useful studies for the future.
Links
MUNI/A/0952/2013, interní kód MU |
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