DOI: 10.1111/gcb.12405
论文题名: Moose (Alces alces) reacts to high summer temperatures by utilizing thermal shelters in boreal forests - an analysis based on airborne laser scanning of the canopy structure at moose locations
作者: Melin M. ; Matala J. ; Mehtätalo L. ; Tiilikainen R. ; Tikkanen O.-P. ; Maltamo M. ; Pusenius J. ; Packalen P.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2014
卷: 20, 期: 4 起始页码: 1115
结束页码: 1125
语种: 英语
英文关键词: Airborne laser scanning
; Climate change
; GPS-tracking
; Habitat analysis
; Moose
; Thermal stress
Scopus关键词: airborne sensing
; boreal forest
; deer
; forest canopy
; GPS
; habitat use
; high temperature
; summer
; vegetation structure
; Alces alces
; Ungulata
; animal
; animal behavior
; deer
; ecosystem
; female
; Finland
; geographic information system
; laser
; male
; physiology
; season
; temperature
; theoretical model
; tree
; Animals
; Behavior, Animal
; Deer
; Ecosystem
; Female
; Finland
; Geographic Information Systems
; Lasers
; Male
; Models, Theoretical
; Seasons
; Temperature
; Trees
英文摘要: The adaptation of different species to warming temperatures has been increasingly studied. Moose (Alces alces) is the largest of the ungulate species occupying the northern latitudes across the globe, and in Finland it is the most important game species. It is very well adapted to severe cold temperatures, but has a relatively low tolerance to warm temperatures. Previous studies have documented changes in habitat use by moose due to high temperatures. In many of these studies, the used areas have been classified according to how much thermal cover they were assumed to offer based on satellite/aerial imagery data. Here, we identified the vegetation structure in the areas used by moose under different thermal conditions. For this purpose, we used airborne laser scanning (ALS) data extracted from the locations of GPS-collared moose. This provided us with detailed information about the relationships between moose and the structure of forests it uses in different thermal conditions and we were therefore able to determine and differentiate between the canopy structures at locations occupied by moose during different thermal conditions. We also discovered a threshold beyond which moose behaviour began to change significantly: as day temperatures began to reach 20 °C and higher, the search for areas with higher and denser canopies during daytime became evident. The difference was clear when compared to habitat use at lower temperatures, and was so strong that it provides supporting evidence to previous studies, suggesting that moose are able to modify their behaviour to cope with high temperatures, but also that the species is likely to be affected by warming climate. © 2013 John Wiley & Sons Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/61956
Appears in Collections: 影响、适应和脆弱性
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作者单位: School of Forest Sciences, University of Eastern Finland, P.O. Box 111, Joensuu 80101, Finland; Finnish Forest Research Institute, P.O. Box 68, Joensuu 80101, Finland; Finnish Game and Fisheries Research Institute, Viikinkaari 4, Helsinki 00791, Finland; Finnish Game and Fisheries Research Institute, Yliopistokatu 6, Joensuu 80100, Finland
Recommended Citation:
Melin M.,Matala J.,Mehtätalo L.,et al. Moose (Alces alces) reacts to high summer temperatures by utilizing thermal shelters in boreal forests - an analysis based on airborne laser scanning of the canopy structure at moose locations[J]. Global Change Biology,2014-01-01,20(4)