| Abstract | Sekvestracija ugljika i dušika ima značajnu ulogu u kontekstu ublažavanja klimatskih
promjena. Cilj rada je utvrditi količinu sekvestriranog ugljika i dušika biomasom vinove loze,
te utvrditi količinu koja ostaje u agroekosustavu i količinu koja se iznosi iz agroekoustava
orezivanjem vinove loze. Istraživanje se provelo na području Varaždinske županije i Grada
Zagreba na 4 sorte vinove loze: Merlot, Syrah, Graševina i Moslavac. Prosječna količina
biomase po trsu vinove loze kretala se u rasponu od 1,80 kg (Graševina) do 2,99 kg (Merlot),
količina ugljika od 0,83 kg (Graševina) do 1,41 kg (Merlot), a količina dušika od 0,01 kg
(Syrah) do 0,02 kg (Merlot, Graševina, Moslavac). Raspon C/N odnosa kretao se od 53:1
(Graševina) do 89:1 (Syrah). Za sve istraživane sorte vinove loze utvrđene se pozitivne
bilance ugljika i dušika, koje se kreću od 0,42 kg do 1,00 kg za ugljik te od 0,006 kg do 0,01 kg
za dušik, pri čemu je najmanja bilanca ugljika i dušika utvrđena za sortu Syrah a najveća za
sortu Merlot. Dobiveni rezultati ukazuju da vinova loza sa svojim biološkim sekvestracijskim
potencijalima doprinosi ublažavanju klimatskih promjena. |
| Abstract (english) | Carbon and nitrogen sequestration has a significant role in the context of climate
change mitigation. The aim of work is to determine the amount of sequestrated carbon (C)
and nitrogen (N) by grapevine biomass, and to determine the amount of C and N that
remains in the agroecosystem and is removed from the agroecosystem by pruning. The study
was conducted in Varaždin and Zagreb city county on 4 different grapevine varieties: Merlot,
Syrah, Graševina and Moslavac. The average amount of grapevine biomass was in the range
of 1.80 kg (Graševina) to 2.99 kg (Merlot), the amount of C in the range of 0.83 kg
(Graševina) to 1.41 kg (Merlot), and the amount of nitrogen in the range of 0.01 kg (Syrah) to
0.02 kg (Merlot, Graševina, Moslavac). C/N ratio is in the range of 42:1 (Graševina) and
126:1 (Syrah). All studied grapevine varieties have positive C and N balances, the lowest C
and N balance was determined for Syrah and the highest one for Merlot variety. The
obtained results indicate that grapevine by its biological sequestration potential contributs to
climate change mitigation. |
