BirdLife International. (2012). Lagopus muta. In IUCN red list of threatened species. Retrieved
June 12, 2012, from http://www.birdlife.org/datazone/speciesfactsheet.php?id=291
Bossert, A. (1977). Bestandesaufnahmen am Alpenschneehuhn (Lagopus mutus) im Aletschgebiet.
Ornithol Beob, 74, 95–98.
Bossert, A. (1980). Wintero ¨kologie des Alpenschneehuhns (Lagopus mutus Montin) im
Aletschgebiet. Schweizer Alpen Ornithol Beob, 77(3), 121–166.
Bossert, A. (1995). Bestandsentwicklung und Habitatnutzung des Alpenschneehuhns Lagopus
mutus im Aletschgebiet (Schweizer Alpen). Ornithol Beob, 92, 307–314.
Cannone, N., Sgorbati, S., & Guglielmin, M. (2007). Unexpected impacts of climate change on
alpine vegetation. Frontiers in Ecology and the Environment, 5(7), 360–364. Retrieved June
28, 2012, from http://www.mendeley.com/research/unexpected-impacts-of-climate-changeon-alpine-vegetation/
Cramp, S., & Simmons, K. E. L. (Eds.). (1980). The birds of Western Palearctic (Vol. 2). Oxford:
Oxford University Press.
C ˇ repins ˇek, Z., Kralj, T., Kuns ˇic ˇ, A., & Kajfez ˇ-Bogataj, L. (2012). Nekatere podnebne znac ˇilnosti
Triglavskega narodnega parka z okolico za obdobje 1961–2011. Acta Triglavensia, 1, 23–41.
Direktiva 2009/147/ES Evropskega parlamenta in sveta z dne 30. novembra 2009 o ohranjanju
prosto z ˇivec ˇih ptic. Retrieved February 22, 2011, from http://eur-lex.europa.eu/LexUriServ/
LexUriServ.do?uri¼OJ:L:2010:020:0007:0025:SL:PDF
Ellmauer, T., Dvorak, M., & Wichmann, G. (2005). Entwicklung von Kriterien, Indikatoren und
Schwellenwerten zur Beurteilung des Erhaltungszustandes der Natura 2000-Schutzgueter.
Retrieved April 17, 2011, from http://www.umweltbundesamt.at/fileadmin/site/umweltthe
men/naturschutz/Berichte_GEZ/Band_1_Vogelarten.pdf
Favaron, M., Scherini, G. C., Preatoni, D., Tosi, G., & Wauters, L. A. (2006). Spacing behaviour
and habitat use of the rock ptarmigan (Lagopus mutus) at low density in the Italian Alps.
Journal of Ornithologie, 147, 618–628. Retrieved June 5, 2012, from http://www.springerlink.
com/content/t0m474259p588544/fulltext.pdf
Figueroa, I., Lo ´pez, B. C., Lo ´pez, A., & Potrony, D. (2009). What happens to ptarmigan when
marmots arrive? Ethology Ecology & Evolution, 21, 251–260. Retrieved June 11, 2012, from
ftp://gis.dipbsf.uninsubria.it/nuova%20cartella/Figueroa_et_al_2009.pdf
Geister, I. (1995). Ornitolos ˇki atlas Slovenije. Ljubljana: Drz ˇavna zaloz ˇba Slovenije.
Guisan, A., & Thuiller, W. (2005). Predicting species distribution: Offering more than simple
habitat models. Ecology Letters, 8, 993–1009. Retrieved June 27, 2012, from http://
onlinelibrary.wiley.com/doi/10.1111/j.1461-0248.2005.00792.x/pdf
Hoffman, R., & Braun, C. E. (1977). Characteristics of a winter population of white-tailed
ptarmigan in Colorado. The Wilson Bulletin, 89(1), 107–115. Retrieved June 27, 2012, from
http://library.unm.edu/sora/Wilson/v089n01/p0107-p0115.pdf
Janc ˇar, T. (1997). Ornitolos ˇki atlas gnezdilk Triglavskega narodnega parka. Ljubljana: DOPPS.
Jarvis, A., Reuter, H. I., Nelson, A., & Guevara, E. (2008). Hole-filled seamless SRTM data V4,
International Centre for Tropical Agriculture (CIAT). Retrieved June 27, 2012, from http://
srtm.csi.cgiar.org
Keiler, M., Knight, J., & Harrison, S. (2010). Climate change and geomorphological hazards in the
eastern European Alps. Philosophical Transactions of the Royal Society A, 368, 2461–2479.
Retrieved June 28, 2012, from http://rsta.royalsocietypublishing.org/content/368/1919/2461.
full.pdf+html
Keller, F., Kienast, F., & Beniston, M. (2000). Evidence of response of vegetation to environmental change on high-elevation sites in the Swiss Alps. Regional Environmental Change, 1
(2), 7–77. Retrieved December 14, 2010, from http://www.springerlink.com/content/
jq74cb9xwalcv9ep/fulltext.pdf
Kmecl, P. (1997). Zimski ornitolos ˇki atlas Triglavskega narodnega parka. Projektno poroc ˇilo.
Ljubljana: DOPPS.
Ko ¨rner, C. (1999). Alpine plant life: Functional plant ecology of high mountain ecosystems.
Berlin: Springer.
194
T. Petras
June 12, 2012, from http://www.birdlife.org/datazone/speciesfactsheet.php?id=291
Bossert, A. (1977). Bestandesaufnahmen am Alpenschneehuhn (Lagopus mutus) im Aletschgebiet.
Ornithol Beob, 74, 95–98.
Bossert, A. (1980). Wintero ¨kologie des Alpenschneehuhns (Lagopus mutus Montin) im
Aletschgebiet. Schweizer Alpen Ornithol Beob, 77(3), 121–166.
Bossert, A. (1995). Bestandsentwicklung und Habitatnutzung des Alpenschneehuhns Lagopus
mutus im Aletschgebiet (Schweizer Alpen). Ornithol Beob, 92, 307–314.
Cannone, N., Sgorbati, S., & Guglielmin, M. (2007). Unexpected impacts of climate change on
alpine vegetation. Frontiers in Ecology and the Environment, 5(7), 360–364. Retrieved June
28, 2012, from http://www.mendeley.com/research/unexpected-impacts-of-climate-changeon-alpine-vegetation/
Cramp, S., & Simmons, K. E. L. (Eds.). (1980). The birds of Western Palearctic (Vol. 2). Oxford:
Oxford University Press.
C ˇ repins ˇek, Z., Kralj, T., Kuns ˇic ˇ, A., & Kajfez ˇ-Bogataj, L. (2012). Nekatere podnebne znac ˇilnosti
Triglavskega narodnega parka z okolico za obdobje 1961–2011. Acta Triglavensia, 1, 23–41.
Direktiva 2009/147/ES Evropskega parlamenta in sveta z dne 30. novembra 2009 o ohranjanju
prosto z ˇivec ˇih ptic. Retrieved February 22, 2011, from http://eur-lex.europa.eu/LexUriServ/
LexUriServ.do?uri¼OJ:L:2010:020:0007:0025:SL:PDF
Ellmauer, T., Dvorak, M., & Wichmann, G. (2005). Entwicklung von Kriterien, Indikatoren und
Schwellenwerten zur Beurteilung des Erhaltungszustandes der Natura 2000-Schutzgueter.
Retrieved April 17, 2011, from http://www.umweltbundesamt.at/fileadmin/site/umweltthe
men/naturschutz/Berichte_GEZ/Band_1_Vogelarten.pdf
Favaron, M., Scherini, G. C., Preatoni, D., Tosi, G., & Wauters, L. A. (2006). Spacing behaviour
and habitat use of the rock ptarmigan (Lagopus mutus) at low density in the Italian Alps.
Journal of Ornithologie, 147, 618–628. Retrieved June 5, 2012, from http://www.springerlink.
com/content/t0m474259p588544/fulltext.pdf
Figueroa, I., Lo ´pez, B. C., Lo ´pez, A., & Potrony, D. (2009). What happens to ptarmigan when
marmots arrive? Ethology Ecology & Evolution, 21, 251–260. Retrieved June 11, 2012, from
ftp://gis.dipbsf.uninsubria.it/nuova%20cartella/Figueroa_et_al_2009.pdf
Geister, I. (1995). Ornitolos ˇki atlas Slovenije. Ljubljana: Drz ˇavna zaloz ˇba Slovenije.
Guisan, A., & Thuiller, W. (2005). Predicting species distribution: Offering more than simple
habitat models. Ecology Letters, 8, 993–1009. Retrieved June 27, 2012, from http://
onlinelibrary.wiley.com/doi/10.1111/j.1461-0248.2005.00792.x/pdf
Hoffman, R., & Braun, C. E. (1977). Characteristics of a winter population of white-tailed
ptarmigan in Colorado. The Wilson Bulletin, 89(1), 107–115. Retrieved June 27, 2012, from
http://library.unm.edu/sora/Wilson/v089n01/p0107-p0115.pdf
Janc ˇar, T. (1997). Ornitolos ˇki atlas gnezdilk Triglavskega narodnega parka. Ljubljana: DOPPS.
Jarvis, A., Reuter, H. I., Nelson, A., & Guevara, E. (2008). Hole-filled seamless SRTM data V4,
International Centre for Tropical Agriculture (CIAT). Retrieved June 27, 2012, from http://
srtm.csi.cgiar.org
Keiler, M., Knight, J., & Harrison, S. (2010). Climate change and geomorphological hazards in the
eastern European Alps. Philosophical Transactions of the Royal Society A, 368, 2461–2479.
Retrieved June 28, 2012, from http://rsta.royalsocietypublishing.org/content/368/1919/2461.
full.pdf+html
Keller, F., Kienast, F., & Beniston, M. (2000). Evidence of response of vegetation to environmental change on high-elevation sites in the Swiss Alps. Regional Environmental Change, 1
(2), 7–77. Retrieved December 14, 2010, from http://www.springerlink.com/content/
jq74cb9xwalcv9ep/fulltext.pdf
Kmecl, P. (1997). Zimski ornitolos ˇki atlas Triglavskega narodnega parka. Projektno poroc ˇilo.
Ljubljana: DOPPS.
Ko ¨rner, C. (1999). Alpine plant life: Functional plant ecology of high mountain ecosystems.
Berlin: Springer.
194
T. Petras