Naslov
An insight into phenological dynamics of karst pasture after controlled burning – a case study from Dinara Mountains

Autori
Rajčić, Lucija ; Leto, Josip ; Kutnjak, Hrvoje

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Zbornik sažetaka 58. hrvatskog i 18. međunarodnog simpozija agronoma / Carović-Stanko, Klaudija ; Širić, Ivan - Zagreb : Agronomski fakultet Sveučilišta u Zagrebu, 2023, 36-36

Skup
58. hrvatskog i 18. međunarodnog simpozija agronoma

Mjesto i datum
Dubrovnik, Hrvatska, 11.02.2023. - 17.02.2023

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
controlled burning, Dinara, karst grassland, NDVI, phenology

Sažetak
After the introduction of the EU’s Common Agricultural Policy, a new interest in livestock- keeping has been sparked among the local population of Dinara Mountains. But the pastures, which have been traditionally maintained by mowing, grazing and semi-controlled burning, are largely in succession after the abandonment of the traditional practice of transhumance in the 20th century. In February 2021 controlled burning has been conducted on an overgrown karst pasture in Vrdovo as part of the Dinara back to LIFE project. The aim of the study was to compare the phenology of Vrdovo grassland before and after burning by analyzing NDVI dynamics (a proxy for phenology) during the last five years. NDVI was obtained from Sentinel-2 images dating from January 2018 to September 2022 for five points of each land class detected on the grassland. The average monthly NDVI was calculated per class for every year. One- way ANOVA was carried out but no significant differences were found. However, a shift in the peak of NDVI (peak of vegetation season) has been observed in all land classes after 2021 with the peak being recorded in June instead of July and August as in previous years. The NDVIs recorded in June 2021 and 2022 were also the highest during the study period. It’s unclear if the changes in the peak of vegetation season were linked to the burning but given the current results, we cannot conclude that the controlled burning impacted the phenology of Vrdovo grassland. Further research is needed.

Izvorni jezik
Engleski

Znanstvena područja
Poljoprivreda (agronomija)

POVEZANOST RADA