TY - JOUR AU - Karmini, Karmini AU - Karyati, Karyati AU - Widiati, Kusno Yuli PY - 2020/04/26 Y2 - 2024/03/29 TI - The role of tropical abandoned land relative to ecological and economic aspects JF - Forest and Society JA - FS VL - 4 IS - 1 SE - DO - 10.24259/fs.v4i1.8939 UR - https://journal.unhas.ac.id/index.php/fs/article/view/8939 SP - 181-194 AB - <span lang="EN-US">The floristic structure and composition of abandoned lands in the tropic have been observed to be changing dynamically during the succession process. This is mostly because they are not utilized maximally, therefore, there is a need to assess the economic and ecological impacts</span><span lang="EN-US"> of </span><span lang="EN-US">this land</span><span lang="EN-US"> abandonment in </span><span lang="EN-US">tropical areas. This study was conducted to determine the ecological aspect</span><span lang="EN-US">s of </span><span lang="IN">stand</span><span lang="EN-US">structure, </span><span lang="IN">floristic </span><span lang="EN-US">composition, and </span><span lang="IN">species </span><span lang="EN-US">diversity and </span><span lang="EN-US">analyze </span><span lang="EN-US">the economic aspect</span><span lang="EN-US">s of standing trees in</span><span lang="EN-US"> tropical abandoned land</span><span lang="EN-US">. </span><span lang="EN-US">The vegetation containing woody trees with a diameter at breast height (DBH) of <span style="text-decoration: underline;">&gt;</span> 5 cm were surveyed at six subplots sized 20 m × 20 m. The economic parameters were evaluated using data of log price, logging cost, profit margin, and stumpage value of standing trees in the study plot and </span><span lang="EN-US">a total of 126 trees including 26 species of 25 genera of 18 families were recorded. The most common species found were </span><em><span lang="EN-US">Macaranga tanarius </span></em><span lang="EN-US">with 50.60%</span><span lang="EN-US">, </span><em><span lang="EN-US">Bridelia</span></em><em><span lang="EN-US"> glauca </span></em><span lang="EN-US">with 49.13%, and <em>Pterospermum javanicum</em></span><span lang="EN-US"> with 29.05% based on Importance Value Index (IVi). Moreover, the diversity, dominance, evenness, and richness indices were 1.23, 0.09, 0.87, and 5.17 respectively while the t</span><span lang="EN-US">otal log price at the abandoned land was </span><span lang="EN-US">1,462.02 </span><span lang="IN">USD </span><span lang="EN-US">m<sup>-3</sup> with an average value of </span><span lang="EN-US">56.23</span><span lang="IN">USD </span><span lang="EN-US">m<sup>-3</sup>. The total and mean values of logging costs were </span><span lang="EN-US">1,212.24</span><span lang="IN">USD </span><span lang="EN-US">ha<sup>-1</sup> and </span><span lang="IN">46.62</span><span lang="IN">USD </span><span lang="EN-US">ha<sup>-1</sup>, respectively while the total profit margin of log selling was </span><span lang="EN-US">USD337.39</span><span lang="EN-US">m<sup>-3</sup> at maximum with an average of </span><span lang="IN">12.98 USD </span><span lang="EN-US">m<sup>-3</sup>. Furthermore, the average stumpage value was </span><span lang="EN-US">83.05 </span><span lang="IN">USD </span><span lang="EN-US">ha<sup>-1 </sup>while the total was calculated to be </span><span lang="EN-US">2,159.36 </span><span lang="IN">USD </span><span lang="EN-US">ha<sup>-1</sup>.</span><span lang="EN-US">These findings showed the</span><span lang="EN-US"> utilization of abandoned lands with respect to ecology and economic aspects </span><span lang="EN-US">has the ability to</span><span lang="EN-US"> increase community welfare </span><span lang="EN-US">and</span><span lang="EN-US"> support the </span><span lang="EN-US">implementation of developmental programs</span><span lang="EN-US"> in the country.</span> ER -