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ŠUMARSKI LIST 9-10/2021 str. 35     <-- 35 -->        PDF

is considerably limited in the free nature, and nutrition reinforcement does not exert its influence on an increase in natal masses or sexual maturity acceleration. Yet, most results of the research conducted in the Central European conditions speak the contrary. According to Schmidt and Hoi (2002), a variability between the cohorts is by 50% less manifested in red deer populations that are supplementarily fed than in the populations in which the red deer individual are not supplementarily fed, depending on a quantity and quality of nutrition reinforcement. As a result of nutrition reinforcement, a qualitative climate effect is reduced, since wildlife nutrition reinforcement generally contributes to the equalization of environmental conditions which are variable, and it conditions considerable differences in body masss or other way‐of‐life characteristics between the cohorts in the regions without supplementary feeding. In the long run, it implies that, in the conditions of a supplementary feeding, the oscillations in body mass and antler quality are not conditioned by environmental stresses to such an extent, but they are generally conditioned by genetic predispositions, what alleviates, i.e., reduces, a breeding hunt error. In the Central European approach to the wild artiodactyl management, namely, the unpromising head are eliminated from the population by breeding hunt (“Hege mit der Büchse”), whereas the promising head are spared up to the obtainment of asymptotic trophy values (Raesfeld and Reulecke, 1988). In that respect, it should be expected in our research that major differences are manifested without interactions, i.e., ever since the age of two up to the asymptotic values. A manifestation of interactions signifies the errors in the execution of selection hunt, i.e., that the promising individuals were shot in the younger age categories during the breeding hunt.
Summarizing the results of our research, one may say that the differences in the red‐deer management level on the examined Hunting ground were generally confirmed. The cohorts from the commencement of an intensive management (the second half of the 1980s and the beginning of the 1990s) have the lower variable values than the cohorts that came into the world during an intensive management (mid‐1990s) and circumferences of antlers can use as a quite valuable indicators.
REFERENCES
LITERATURA
Adamič, M., 1990: Prehranske značilnosti kot element načrtovanja varstva, gojitve in lova parkljaste divjadi s odudarkom na jelenjadi (Cervus elaphus L.). Universa Edvarda Kardelja v Ljubljani – VDO Biotehniška fakulteta, Inštitut za gozdno in lesno gospodarstvo VTOZD za gozdarstvo, Strokovna in znanstvena dela 105, Doktorska disertacija na Univerzi v Beogradu, Ljubljana, 203 pp.
Ahrens, M., G. Dittrich, H. Sparing, 1988: Untersuchung zur Körperentwicklung beim Damwild. Beiträge zur Jagd- und Wildforschung, 15:7-14.
Almǎsan, A., W. Rieck, 1970: Untersuchungen der Zahnstruktur zur Alterbestimmung beim Rotwild (Cervus elaphus L.). Z. Jagdwiss. 16(2):49-55.
Anon., 1981: Hunting management plan for hunting ground „Garjevica“, time span 1981-1991. Lovno gospodarstvo „Garjevica“ Kutina, 48 pp. (in Croatian).
Anon., 1993: Hunting management plan for hunting ground „Garjevica“, time span 1st April 1991. – 31st March 2001. Kutina, 210 pp. (in Croatian).
Anon., 2000: CORINE Land Cover Hrvatska.
Anon., 2008: Rules on hunting trophy measurement method, hunting trophy form, proposition of hunting trophies evidence and report of measured hunting trophies. Official Gazette, no. 92.
Brna, J., Đ. Nikolandić, S. Darabuš, 1996: Hunting management plan for hunting ground „Garjevica“, time span 1st April 1995. – 31st March 2004. Kutina, 240 pp. (in Croatian).
Bunnell, F.L., 1978: Horn growth and population quality in Dall sheep. J Wildlife Manage, 42(4):764 – 775.
Caro, T.M., C.M. Graham, C.J. Stoner, M.M. Flores, 2003: Correlates of horn and antler shape in bovids and cervids. Behav Ecol Sociobiol, 55:32-41.
Clutton-Brock, T.H., S.D. Albon, P.H. Harvey, 1980: Antlers, body size and breeding group size in Cervidae. Nature, 285:565-567.
Coltman, D.W., M. Festa-Bianchet, J.T. Jorgenson, C. Strobeck, 2001: Age-dependent sexual selection in bighorn rams. P Roy Soc B-Biol Sci, 269:165-172.
Enquist, L., 2005: The mistreatment of covariate interaction terms in linear model analyses of behavioural and evolutionary ecology studies. Anim Behav, 70:967–971. doi:10.1016/j.anbehav.2005.01.016
Festa-Bianchet, M., D. Coltman, L. Turelli, J.T. Jorgenson, 2004: Relative allocation to horn and body growth in bighorn rams varies with resource availability. Behav Ecol, 15:305–312.
Forchhammer, M.C., T.H. Clutton-Brock, J. Lindström, S.D. Albon, 2001: Climate and population density induce long-term cohort variation in a northern ungulate. J Anim Ecol, 70:721-729.
Gaillard, J.-M., A. Loison, C. Toïgo, D. Delorme, G. Van Laere, 2003: Cohort effects and deer population dynamics. Ecoscience, 10(4):412-420.
Gaillard, J.-M., J.-M. Boutin, D. Delorme, G. Van Laere, P. Duncan, J.D. Lebreton, 1997: Early survival in roe deer: Causes and consequences of cohort variation in two contrasted populations. Oecologia, 112(4):502–513.
Gaillard, J.-M., M. Festa-Bianchet, D. Delorme, J.T. Jorgenson, 2000: Body mass and individual fitness in female ungulates: bigger is not always better. P Roy Soc Lond B Bio, 267(1442):471-477.
Gaspar-López E., A.J. García, T. Landete-Castillejos, D. Carrión, J.A. Estévez, L. Gallego, 2008: Growth of the first antler in Iberian red deer (Cervus elaphus hispanicus). Eur J Wildlife Res, 54(1):1–5.
Goss, R.J., 1983: Deer antlers. Regeneration, function and evolution. Academic Press, New York, 316 pp.