PhD Hojka Kraigher

PhD Hojka Kraigher
no.: 07127 source: ARIS

researcher – active in research organisation
(01) 423 13 43
  hojka.kraigherat signgozdis.si
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Research activity

Code Science Field Subfield
4.01.01  Biotechnical sciences  Forestry, wood and paper technology  Forest - forestry 

Code Science Field
B430  Biomedical sciences  Sylviculture, forestry, forestry technology 
Keywords
Physiology of forest trees, mycorrhiza, molecular ecology, ecological genetics, physiology of growth & development of forest seeds & seedlings, conservation of forest genetic resources, forest genetic monitoring, seed certification & EU
Bibliography Representative bibliographic units | Personal | COBISS+
source: COBISS
source: SICRIS
Evaluation (metodology)
Evaluation of bibliographic research performance indicators according to ARIS methodology
source: COBISS
source: ARIS
Points
533.97
A''
10.76
A'
168.64
A1/2
291.95
CI10
2,539
CImax
268
h10
25
A1
1.73
A3
2.24
Data for the last 5 years (citations for the last 10 years) on October 15, 2025; Data for score A3 calculation refer to period 2020-2024 (2019, 2020, 2021, 2022, 2023)
Data for ARIS tenders ( 23.05.2022 – Target research programmes, archive )
Citations Citations for bibliographic records in COBIB.SI that are linked to records in citation databases
source: WoS source: Scopus source: COBISS
Database Linked records Citations Pure citations Average pure citations
WoS 98  3,067  2,793  28.5 
Scopus 99  3,482  3,188  32.2 
Mentoring junior researchers
source: ARIS
no. Name and surname Type Period Code
1 PhD Ines Štraus   Bologna doctoral studies  11/1/2010 - 4/28/2015  32771 
2 PhD Boštjan Mali   Uniform doctoral studies  10/1/2008 - 4/11/2012  29237 
3 PhD Peter Železnik   Uniform doctoral studies  11/1/2006 - 4/29/2012  28401 
4 PhD Marjana Westergren   Uniform doctoral studies  10/1/2003 - 2/28/2010  24343 
5 PhD Tine Grebenc   Doctoral degree  12/1/2000 - 11/30/2004  21242 
6 PhD Gregor Božič   Doctoral degree  11/1/1997 - 4/30/2000  14869 
7 PhD Sašo Žitnik   Doctoral degree  11/1/1996 - 4/30/2002  16330 
8 PhD Mirko Medved   Doctoral degree  6/1/1994 - 11/30/1996  07890 
9 PhD Samar Al Sayegh Petkovšek   Master's degree  12/1/1991 - 1/31/1996  12031 
Education
source: ARIS
Level of education Professional title Study subject Faculty Year
  B. Sc.     SI University of Ljubljana, Biotechnical Faculty, Department of Biology 1983 
      SI University of Ljubljana, Biotechnical Faculty, Department of Forestry and Renewable Forest Resources 1985 
Master's degree    Biology  SI University of Ljubljana, Biotechnical Faculty, Department of Biology 1991 
Doctoral degree  Ph. D.   Agricultural Sciences  SI 1994 
Doctoral dissertations and other final papers Show
Obtaining results now
source: COBISS
Employments
source: ARIS
Type of employment Research org. Research group Date of employment Position Role Title
Full time employment (100%, RD:100%)  Slovenian Forestry Institute  Forest biology, ecology and technology  10/1/1984  Research counsellor  Researcher   
Research projects Legend
source: ARIS
no. Code Title Period Head
1. J7-50231  GROWTH: Growth potential and wood properties of selected tree species of various provenances: modification options, prospects and challenges in response to climate change   7/1/2024 - 6/30/2027  PhD Miha Humar   9,133 
2. J4-4542  Natural regeneration processes in beech forests after disturbance   11/1/2022 - 10/31/2025  PhD Tanja Mrak   4,017 
3. J4-4547  Climate changes and ectomycorrhizal fungi - how far can we go with an assisted migration of truffles?   10/1/2022 - 9/30/2025  PhD Tine Grebenc   5,095 
4. V4-2222  Measures for conservation of biodiversity in forest ecosystems   10/1/2022 - 9/30/2025  PhD Hojka Kraigher   6,616 
5. J4-4541  Oaks for future forests and forestry in Slovenia: Quercus robur versus Quercus petraea   10/1/2022 - 9/30/2025  PhD Jožica Gričar   5,869 
6. J4-3098  The unrevealed information on soil biodiversity in leached waters   10/1/2021 - 12/31/2024  PhD Tine Grebenc   8,989 
7. V4-2015  Business opportunities in forests seed and nurseries production   11/1/2020 - 10/31/2023  PhD Hojka Kraigher   5,677 
8. V4-2026  Diseases, pests and drought stress of European beech at various climate change scenarios   11/1/2020 - 10/31/2023  PhD Nikica Ogris   7,614 
9. J4-2540  Tree mortality in sub-mediterranean: sequence of processes, their interrelations and future perspectives   9/1/2020 - 8/31/2023  PhD Mitja Ferlan   5,443 
10. J4-1766  Methodology approaches in genome-based diversity and ecological plasticity study of truffles from their natural distribution areas   7/1/2019 - 12/31/2022  PhD Tine Grebenc   5,831 
11. J4-9297  The agreement and synchrony between woody carbon sequestration and eddy covariance estimates of net ecosystem productivity in a heterogeneous open woodland ecosystem   7/1/2018 - 6/30/2022  PhD Jožica Gričar   6,680 
12. V4-1819  Assessment of the success of reafforestation with sawing and planting in Slovenia   11/1/2018 - 10/31/2021  PhD Hojka Kraigher   5,867 
13. V4-1818  Suitability of Douglas Fir and other non-native tree species in the restoration of forests through planting and sowing in Slovenia   11/1/2018 - 10/31/2021  PhD Robert Brus   11,857 
14. L4-9315  EcoFAR: Food security and climate change mitigation by means of ecological farming development - conservation tillage, bioeffectors and sustainable weed management   7/1/2018 - 6/30/2021  PhD Klemen Eler   5,715 
15. V4-1616  Estimation of the system for conservation of forest genetic resources and of the state of forest seed husbandary including new systems for production of seedlings   10/1/2016 - 9/30/2019  PhD Hojka Kraigher   5,138 
16. L4-7552  Optimisation of barley and buckwheat processing for sustainable use in high quality functional foods   3/1/2016 - 2/28/2019  PhD Ivan Kreft   6,022 
17. L4-7547  Performance of wood and lignocelulosic composites in outdoor applications   3/1/2016 - 2/28/2019  PhD Miha Humar   9,256 
18. J4-7052  From hazardous waste to living soils ? microbial communities and plant-soil feedbacks in heavy metal contaminated soil before and after remediation   1/1/2016 - 12/31/2018  PhD Irena Maček   3,513 
19. J4-7203  Short- and long-term responses of oak in Submediterranean region to extreme weather events using a tree-anatomical analysis and ecophysiological measurements   1/1/2016 - 12/31/2018  PhD Jožica Gričar   5,808 
20. V4-1422  Ice storm effects on forests in relation to stand and soil characteristics   7/1/2014 - 6/30/2017  PhD Andrej Kobler   8,079 
21. V4-1438  Providing forest reproductive material for reforestation after major natural disturbances and upon possible legislative changes   7/1/2014 - 6/30/2017  PhD Hojka Kraigher   5,819 
22. J4-5526  Odziv rastlinskih korenin in mikoriznih gliv na talno hipoksijo (Slovene)   8/1/2013 - 7/31/2016  PhD Irena Maček   4,329 
23. L4-5517  Preprečevanje vlaženja lesa, kot merilo učinkovitosti zaščite lesa pred glivami razkrojevalkami (Slovene)   8/1/2013 - 7/31/2016  PhD Miha Humar   8,439 
24. V4-1140  Designation of measures to ensure genetic-based forest protection   10/1/2011 - 9/30/2014  PhD Hojka Kraigher   3,669 
25. L4-4318  Dinamika ogljika v gozdnih tleh in rizosferi (Slovene)   7/1/2011 - 6/30/2014  PhD Hojka Kraigher   10,927 
26. V4-1126  Possibilities and limitations of biomass production from forests   10/1/2011 - 9/30/2013  PhD Primož Simončič   5,140 
27. L4-2265  Klimatske spremembe ter vplivi antropogenih motenj na primarno produkcijo v gozdnih tleh (Slovene)   5/1/2009 - 4/30/2012  PhD Hojka Kraigher   5,907 
28. L7-2393  Vpliv klimatskih sprememb na trajnost, stabilnost in biodiverziteto sestojev bukve in črnega bora na Balkanu (Slovene)   5/1/2009 - 4/30/2012  PhD Jožica Gričar   6,227 
29. V4-0492  Pomen gozdov za biotsko raznovrstnost na ekosistemski, vrstni in genski ravni v luči blaženja podnebnih sprememb in prilagoditve gospodarjenja z gozdovi glede na pričakovanje spremembe (Slovene)   9/1/2008 - 8/31/2011  PhD Tine Grebenc   6,332 
30. L4-0637  Vpliv smučišč na biotsko in hidrološko funkcijo tal ter razvoj modelov trajne večnamenske rabe prostora ob zgornji gozdni meji na Krvav (Slovene)   2/1/2008 - 1/31/2011  PhD Hojka Kraigher   6,576 
31. L4-9653  Vpliv okoljskih sprememb na rastni odziv doba (Quercus robur) in macesna (Larix decidua) (Slovene)   7/1/2007 - 6/30/2010  PhD Tomislav Levanič   5,419 
32. L4-9585  Gozdu škodljive invazivne glive in žuželke (Slovene)   1/1/2007 - 12/31/2009  PhD Dušan Jurc   6,485 
33. L4-9647  Razvoj smernic za dinamično varstvo gozdnih genskih virov (Slovene)   1/1/2007 - 12/31/2009  PhD Hojka Kraigher   3,684 
34. M3-0213  Pehotna strelišča kot dejavnik tveganja za okolje s poudarkom na ekološki sanaciji pehotnega strelišča na vojaškem poligonu Poček (Slovene)   8/1/2007 - 7/31/2009  PhD Boštjan Pokorny   10,655 
35. V1-0296  Opredelitev stanja biotske raznovrstnosti gozdnih talnih ekosistemov - vzpostavitev in standardizacija metodologije ter baz podatkov in aplikacija na izbranih gozdnih raziskovalnih ploskvah (Slovene)   10/1/2006 - 9/30/2008  PhD Tine Grebenc   5,234 
36. V4-0351  Priprava podlag za izdelavo nacionalne strategije za zagotavljanje ohranjevanja genofonda gozdnih drevesnih vrst ob uporabi gensko spremenjenih dreves v kmetijstvu (Slovene)   10/1/2006 - 9/30/2008  PhD Robert Brus   8,491 
37. V4-0355  Raziskave populacijsko genetskih in rastiščnih značilnosti avtohtonega črnega topola (P. nigra L.) na obsežnih in poplavnih območjih ter usmeritve za njegovo ohranitev (Slovene)   10/1/2006 - 9/30/2008  PhD Gregor Božič   5,282 
38. V4-0353  Razvoj sistema monitoringov genetske pestrosti v naravnih in ogroženih habitatih (Slovene)   10/1/2006 - 9/30/2008  PhD Nike Krajnc   8,200 
39. V4-0352  Škodljivi dejavniki za gozd v sodobnem času: metode spremljanja, ekološko modeliranje, vpliv gpspodarjenja ter načini ukrepanja (Slovene)   10/1/2006 - 9/30/2008  PhD Maja Jurc   7,397 
40. J7-7397  Carbon transport processes and mechanisms in forest ecosystems   9/1/2005 - 8/31/2008  PhD Nives Ogrinc   6,979 
41. L4-7163  Rational use of wood in the context of sustainable forest management   9/1/2005 - 8/31/2008  PhD Miha Humar   14,580 
42. L1-7135  Tree-rings as a historical bioindicator of temporal trends in environmental pollution   9/1/2005 - 8/31/2008  PhD Boštjan Pokorny   5,097 
43. M1-0157  Določitev vpliva vojaškega poligona Krivolak na okolje z namenom njegove ekološke sanacije (Slovene)   6/1/2006 - 11/30/2007  PhD Boštjan Pokorny   17,697 
44. L4-6232  Carbon dynamic in natural beech forest   7/1/2004 - 6/30/2007  PhD Primož Simončič   5,890 
45. L1-6404  Glive kot odzivni in akumulacijski bioindikatorji onesnaženosti gozdnih rastišč (Slovene)   7/1/2004 - 6/30/2007  PhD Boštjan Pokorny   3,444 
46. L1-6706  The carbon sink and ozone: dynamics of carbon in a natural beech forest   7/1/2004 - 6/30/2007  PhD Hojka Kraigher   7,522 
47. V4-0985  Vpliv klimatskih sprememb na gozdne ekosisteme (Slovene)   9/1/2004 - 11/30/2006  PhD Dušan Jurc   9,494 
48. V4-0986  Vrednotenje ohranitvenega stanja gozdnih habitatnih tipov, habitatov in genskih virov za potrebe monitoringa biotske pestrosti v izbranem 'natura' območju ter razvoj gozdarskih ukrepov za njihovo ohranjanje (Slovene)   9/1/2004 - 11/30/2006  MSc Aleksander Golob   3,753 
49. L4-4450  Razvoj molekularnih in biokemijskih baz podatkov v gozdarstvu (Slovene)   7/1/2002 - 6/30/2005  PhD Hojka Kraigher   5,101 
50. V4-0703  Seznam vrst in razširjenost makromicet v Sloveniji z analizo stopnje ogroženosti (Slovene)   10/1/2002 - 9/30/2004  PhD Dušan Jurc   2,292 
51. V1-0483  Razvoj mednarodno primerljivih kazalcev biotske pestrosti v Sloveniji (Slovene)   11/1/2001 - 10/31/2003  MSc Franc Ferlin   3,476 
52. V4-0372  Izvor, proizvodnja in raba gozdnega reprodukcijskega materiala in ohranjanje gozdnih genskih virov (Slovene)   9/1/2000 - 9/30/2003  PhD Hojka Kraigher   3,370 
53. L4-1261  Podnebne spremembe in gozd (Slovene)   1/1/1999 - 6/30/2001  PhD Primož Simončič   4,144 
54. L4-1254  Raziskave genetske, vrstne in funkcionalne pestrosti gozdnega drevja in spremljevalnih organizmov v gozdnih ekosistemih (Slovene)   1/1/1999 - 6/30/2001  PhD Hojka Kraigher   6,257 
55. J4-8581  The influence of root symbionts and pathogens on different provenances of spruce   1/1/1997 - 12/31/1999  PhD Hojka Kraigher   5,147 
56. V4-6912  Populacijsko genetske in ekofiziološke raziskave gospodarsko pomembnih drevesnih vrst ter rastin in razvoja gozdnega semenja in sadik (Slovene)   1/1/1995 - 12/31/1999  PhD Hojka Kraigher   2,476 
57. L4-7402  Raziskave gozdnih tal in rizosfere, njihov vpliv na fiziološke parametre gozdnega drevja v izbranih gozdnih ekosistemih (Slovene)   1/1/1996 - 12/31/1998  PhD Hojka Kraigher   3,875 
ARIS research and infrastructure programmes Legend
source: ARIS
no. Code Title Period Head
1. P4-0107  FOREST BIOLOGY, ECOLOGY and TECHNOLOGY   1/1/2020 - 12/31/2027 PhD Hojka Kraigher   12,620 
2. P4-0107  FOREST BIOLOGY, ECOLOGY & TECHNOLOGY   1/1/2015 - 12/31/2019 PhD Hojka Kraigher   12,643 
3. P4-0107  FOREST BIOLOGY, ECOLOGY & TECHNOLOGY   1/1/2009 - 12/31/2014 PhD Hojka Kraigher   12,488 
4. P4-0107  FOREST BIOLOGY, ECOLOGY & TECHNOLOGY   1/1/2004 - 12/31/2008 PhD Hojka Kraigher   12,341 
5. P0-0501-0404  Forest biology, ecology and technology   1/1/1999 - 12/31/2003 PhD Hojka Kraigher   9,586 
Biography
Acad. Prof. Dr. Hojka Kraigher is the Head of Department for Forest Physiology and Genetics and of the Research Program Forest Biology, Ecology and Technology at the Slovenian Forestry Institute. Her expertise is in physiology and ecology of forest trees and their symbionts, and in conservation of forest genetic resources. She was coordinating the European project EUFORINNO (2012-2016) and a LIFE+ implementation project on development of a system for forest genetic monitoring “LIFEGENMON” (2014 - 2021). She is the authorized person by the Ministry for Agriculture, Forestry and Food responsible for conservation of forest genetic resources and certification of the forest reproductive material, and has been the national coordinator EUFORGEN since 1997 (1995). She was a member of LIFE sciences committee at Science Europe, was elected as a full member of the Slovenian Academy of Sciences and Arts, is the president of its Council for Protection of the Environment, and is an active member of the Slovenian Climate Council and the Slovenian Council for Sustainable Development and Protection of the Environment.
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