Primena daljinske detekcije u inventuri mešovitih šuma hrasta lužnjaka
In high, mixed, middle-aged and maturing Penduculate oak stands, the possibility of using aerial photogrammetry in the inventory was tested, both to obtain information related to site and stand information and to determine numerical elements (number of trees, basal area and volume per h...
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Faculty of Forestry, Belgrade
2024-01-01
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| Series: | Glasnik Šumarskog Fakulteta: Univerzitet u Beogradu |
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| Online Access: | https://doiserbia.nb.rs/img/doi/0353-4537/2024/0353-45372430007B.pdf |
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| author | Borota Dragan Pantić Damjan Ponjarac Radenko Popović Aleksandar |
| author_facet | Borota Dragan Pantić Damjan Ponjarac Radenko Popović Aleksandar |
| author_sort | Borota Dragan |
| collection | DOAJ |
| description | In high, mixed, middle-aged and maturing Penduculate oak stands, the
possibility of using aerial photogrammetry in the inventory was tested,
both to obtain information related to site and stand information and to
determine numerical elements (number of trees, basal area and volume per
hectare) obtained on the basis of data read from the images (crown diameter,
height and estimated breast height diameter of the tree based on the
selected mathematical model). Most of the information from the site and
stand information, especially the information about the above-ground parts
of the forest (presence of dead cover, ground vegetation, shrubs, weeds,
saplings and the degree of their damage, etc.) could not be identified from
the image. There was a significant difference in the average number of
trees, basal area of stands and stand volume per hectare determined on the
basis of aerial image data, compared to the values determined by the
terrestrial survey. In middle-aged stands, the number of trees determined
from aerial image is 21.5 % higher and in maturing stands 9.5 % lower than
the values determined by a total measurement. In middle-aged stands, the
basal area AP-1 is 13.5 % higher and AP-2 15.6 % higher than the values
determined in the total measurement. In the maturing stands, these
deviations are 13.1 % and 3.7 %. The stand volume is the element with the
greatest deviations compared to the total measurement. In middle-aged stands
the difference is 31 % and 28.1 %, and in maturing stands 37.9 % in AP-1 and
even 67.1 % in AP-2. The reasons for the impossibility of a precise
interpretation of most of the information related to the information of the
site and the stand and for the significant differences in the numerical
elements compared to the total measurement lie in the broad and intertwined
crowns (dense canopy closure) of the oaks in the upper storey and in the
vertical structure of these mixed stands. The results obtained exclude the
use of aerial photogrammetry in the inventory of this certain forests, as it
does not provide a reliable information basis for the development of
realistic forest management plans. Possible applications exist in
distinguishing of land use, locating fire areas, areas affected by
hurricanes and other disasters, etc., and even in the inventory of pure
stands with low canopy closure. |
| format | Article |
| id | doaj-art-915ed497391c4c0eb0161686d6f920e5 |
| institution | Kabale University |
| issn | 0353-4537 2217-8600 |
| language | srp |
| publishDate | 2024-01-01 |
| publisher | Faculty of Forestry, Belgrade |
| record_format | Article |
| series | Glasnik Šumarskog Fakulteta: Univerzitet u Beogradu |
| spelling | doaj-art-915ed497391c4c0eb0161686d6f920e52025-01-30T06:45:38ZsrpFaculty of Forestry, BelgradeGlasnik Šumarskog Fakulteta: Univerzitet u Beogradu0353-45372217-86002024-01-01202413072410.2298/GSF2430007B0353-45372430007BPrimena daljinske detekcije u inventuri mešovitih šuma hrasta lužnjakaBorota Dragan0https://orcid.org/0000-0001-6825-2085Pantić Damjan1https://orcid.org/0000-0003-2523-9619Ponjarac Radenko2https://orcid.org/0000-0001-5690-5237Popović Aleksandar3https://orcid.org/0000-0002-4061-3421Univerzitet u Beogradu, Šumarski fakultetUniverzitet u Beogradu, Šumarski fakultetJP „Vojvodinašume“Univerzitet u Beogradu, Šumarski fakultetIn high, mixed, middle-aged and maturing Penduculate oak stands, the possibility of using aerial photogrammetry in the inventory was tested, both to obtain information related to site and stand information and to determine numerical elements (number of trees, basal area and volume per hectare) obtained on the basis of data read from the images (crown diameter, height and estimated breast height diameter of the tree based on the selected mathematical model). Most of the information from the site and stand information, especially the information about the above-ground parts of the forest (presence of dead cover, ground vegetation, shrubs, weeds, saplings and the degree of their damage, etc.) could not be identified from the image. There was a significant difference in the average number of trees, basal area of stands and stand volume per hectare determined on the basis of aerial image data, compared to the values determined by the terrestrial survey. In middle-aged stands, the number of trees determined from aerial image is 21.5 % higher and in maturing stands 9.5 % lower than the values determined by a total measurement. In middle-aged stands, the basal area AP-1 is 13.5 % higher and AP-2 15.6 % higher than the values determined in the total measurement. In the maturing stands, these deviations are 13.1 % and 3.7 %. The stand volume is the element with the greatest deviations compared to the total measurement. In middle-aged stands the difference is 31 % and 28.1 %, and in maturing stands 37.9 % in AP-1 and even 67.1 % in AP-2. The reasons for the impossibility of a precise interpretation of most of the information related to the information of the site and the stand and for the significant differences in the numerical elements compared to the total measurement lie in the broad and intertwined crowns (dense canopy closure) of the oaks in the upper storey and in the vertical structure of these mixed stands. The results obtained exclude the use of aerial photogrammetry in the inventory of this certain forests, as it does not provide a reliable information basis for the development of realistic forest management plans. Possible applications exist in distinguishing of land use, locating fire areas, areas affected by hurricanes and other disasters, etc., and even in the inventory of pure stands with low canopy closure.https://doiserbia.nb.rs/img/doi/0353-4537/2024/0353-45372430007B.pdfaerial photogrammetrymixed penduculate oak forestssite and stand informationnumerical elements |
| spellingShingle | Borota Dragan Pantić Damjan Ponjarac Radenko Popović Aleksandar Primena daljinske detekcije u inventuri mešovitih šuma hrasta lužnjaka Glasnik Šumarskog Fakulteta: Univerzitet u Beogradu aerial photogrammetry mixed penduculate oak forests site and stand information numerical elements |
| title | Primena daljinske detekcije u inventuri mešovitih šuma hrasta lužnjaka |
| title_full | Primena daljinske detekcije u inventuri mešovitih šuma hrasta lužnjaka |
| title_fullStr | Primena daljinske detekcije u inventuri mešovitih šuma hrasta lužnjaka |
| title_full_unstemmed | Primena daljinske detekcije u inventuri mešovitih šuma hrasta lužnjaka |
| title_short | Primena daljinske detekcije u inventuri mešovitih šuma hrasta lužnjaka |
| title_sort | primena daljinske detekcije u inventuri mesovitih suma hrasta luznjaka |
| topic | aerial photogrammetry mixed penduculate oak forests site and stand information numerical elements |
| url | https://doiserbia.nb.rs/img/doi/0353-4537/2024/0353-45372430007B.pdf |
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