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All Journal Asian Journal of Agriculture Biodiversitas Journal of Biological Diversity Nusantara Bioscience
AHMAD DWI SETYAWAN
Department of Environmental Science, Faculty of Mathematics and Natural Sciences, Universitas Sebelas Maret. Jl. Ir. Sutami 36A, Surakarta 57126, Central Java, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Other

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Plant diversity, compositional turnover, and suitability screening across green open spaces in Semarang District, Indonesia DEWI RAHMAWATI; FAUZAN RAFI WICAKSONO; HAFIZH MUHAMAD ZEN; HANIFA SABILA RAHMA; RAISA NOOR SAFIRA; WIDHI HIMAWAN; ARU DEWANGGA; AHMAD DWI SETYAWAN
Biodiversitas Journal of Biological Diversity Vol. 27 No. 5 (2026)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d270538

Abstract

Abstract. Rahmawati D, Wicaksono FR, Zen HM, Rahma HS, Safira RN, Himawan W, Dewangga A, Setyawan AD. 2026. Plant diversity, compositional turnover, and suitability screening across green open spaces in Semarang District, Indonesia. Biodiversitas 27 (5): d270538. https://doi.org/10.13057/biodiv/d270538. Urban green spaces depend on plant composition as well as area, yet district-scale assessments integrating floristic richness, cross-site turnover, and transparent suitability screening remain limited in Indonesia. We inventoried plants at six purposively selected public green spaces in Semarang District, Central Java, in September 2024. Presence records were summarized as taxon and family richness, pairwise composition was compared using the incidence-based Sørensen coefficient, and 194 recorded plant taxa were screened using 23 silvicultural, management, aesthetic, and public-safety criteria. Tree architecture and literature-supported shade and windbreak potential were summarized for the reconciled tree subset. The inventory comprised 194 plant taxa from 62 families; three records were retained above species level (Areca, Croton, and Pteridophyta). Asteraceae (19 taxa), Poaceae (17), and Fabaceae (16) were the richest families. Raw site richness ranged from 33 taxa at GOS Ungaran Barat to 77 at Taman Serasi, and Sørensen similarity ranged from 13.2% to 40.0%, indicating strong compositional differentiation. Suitability totals ranged from 35 to 46; 156 taxa (80.4%) were classified as high and 38 (19.6%) as medium, with no low class. After reconciliation of the architecture dataset, 55 unique tree taxa represented 11 recognized architectural models; 34 were literature-supported shade candidates and 29 windbreak candidates. These are screening results rather than validated performance estimates. Because sites were purposively selected and survey effort, abundance, and site area were not standardized, the study provides a comparative management baseline rather than a district-wide statistical estimate. Management should retain inter-site compositional complementarity and combine screening scores with growth form, local occurrence, safety, and maintenance capacity. 
Diversity, market distribution, and price profile of edible plants traded in the Merapi-Merbabu highlands, Central Java, Indonesia AWWALIN ROSITA AISYAHTUNNISA; AZ ZAHRA MUTI'AH FADHILAH; CHRISTIN NOVITA PUTRI WIBOWO; CINTA KAMILA GAMA AZIZAH; ADITYA TRIYANTO; AHMAD DWI SETYAWAN
Biodiversitas Journal of Biological Diversity Vol. 27 No. 7 (2026)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d270729

Abstract

Abstract. Aisyahtunnisa AR, Fadhilah AZM, Wibowo CNP, Azizah CKG, Triyanto A, Setyawan AD. 2026. Diversity, market distribution, and price profile of edible plants traded in the Merapi-Merbabu highlands, Central Java, Indonesia. Biodiversitas 27 (7): d270729. https://doi.org/10.13057/biodiv/d270729. Traditional markets connect crop production, household food demand, and local knowledge, yet their agrobiodiversity is rarely documented with transparent commodity-level data. This study inventoried edible plants traded in Ampel, Cepogo, and Selo markets in the Merapi-Merbabu highlands of Boyolali District, Central Java, Indonesia. In May 2026, 104 purposively selected edible-plant traders (40 in Ampel, 34 in Cepogo, and 30 in Selo) were interviewed, and their commodities were directly observed. Recorded fields included market presence, local name, edible part, use category, cultivation status, seasonal availability, reported supplier origin, and price unit. The audited inventory contained 115 market commodity forms representing 94 recorded taxon entries in 35 families. Selo had the highest snapshot richness (76 taxa; 84 commodity forms), followed by Ampel (58; 62) and Cepogo (35; 41). Twenty-eight taxa occurred in all three markets. Pairwise Sørensen similarity was highest between Ampel and Selo (67.2%), followed by Ampel and Cepogo (62.4%) and Cepogo and Selo (52.3%). Using the archived use-category coding, vegetables (39.1%) and herbs, spices, and seasonings (31.3%) dominated the commodity forms. Most forms were cultivated (85.2%), while 12.2% were semi-cultivated and 2.6% wild-sourced. Boyolali was listed as a supplier origin for 91.3% of commodity entries, although origins were nonexclusive and were not weighted by transaction volume. Listed prices ranged from IDR 1,500 to IDR 93,000 per stated sales unit; 69.6% were at or below IDR 20,000, but direct affordability comparisons are not valid because the units were heterogeneous (82 per kg, 28 per bunch, and five in other units). These findings provide a descriptive baseline of market-available edible-plant diversity during the survey period. Repeated seasonal sampling, standardized market coverage, voucher-supported identification, standardized price units, and quantified commodity flows are needed for stronger ecological, cultural, and economic inference.
Understory plant diversity and dominance along the Selo hiking trail of Mount Merbabu, Central Java, Indonesia DAVINA ALIFIA TSURAYYA; DIAN RAHMAD RENALDI; DINARA AFRIDA SALEH; DITA OKTAVIA; ADITYA WISNU SYAHPUTRA; AHMAD DWI SETYAWAN
Biodiversitas Journal of Biological Diversity Vol. 27 No. 7 (2026)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d270727

Abstract

Abstract. Tsurayya DA, Renaldi DR, Saleh DA, Oktavia D, Syahputra AW, Setyawan AD. 2026. Understory plant diversity and dominance along the Selo hiking trail of Mount Merbabu, Central Java, Indonesia. Biodiversitas 27 (7): d270727. https://doi.org/10.13057/biodiv/d270727. Understory vegetation contributes substantially to forest biodiversity and can respond rapidly to environmental conditions, recreational disturbance, and biological invasion. This study characterized understory plant diversity, composition, dominance, and spatial occurrence along the Selo hiking trail in Mount Merbabu National Park, Central Java, Indonesia. Seventy-five 1×1 m quadrats were systematically distributed among three trail zones, comprising five transects and 25 quadrats per zone. Twenty-nine taxa representing herbs, grasses, sedges, ferns, lycophytes, and low shrubs were recorded. Shannon diversity was descriptively similar among zones, with H′ values of 3.270, 3.228, and 3.150 from Basecamp-Post 1 to Post 2-Post 3, respectively, representing a descriptive decline of 0.120. Relative frequency was normalized before calculation of the two-component Importance Value Index (IVI: RD + RF), for which the community total is approximately 200 percentage points. Lophatherum gracile had the highest IVI (13.36), followed by Lepisorus macrosphaerus (12.83), Polystichum braunii (12.46), and Asplenium tenerum (12.25). Ageratina riparia occurred in 78.7% of quadrats and had an IVI of 9.70, supporting its priority for monitoring given independent evidence of its alien and invasive status in Javan mountain ecosystems. Because plot-level abundance matrices, exact archived occupied-quadrat counts for all taxa, vouchers, standardized environmental measurements, and off-trail controls were unavailable, the findings should be interpreted as a descriptive trail-corridor baseline. Repeated, spatially replicated surveys with verified taxonomy and archived plot-level data are recommended.
Climate-associated shifts in potential habitat of the vulnerable tree Eusideroxylon zwageri in Southeast Asia using an exploratory MaxEnt assessment ARDITA AYU WULANDARI; AULIA TSALATSA AGUSTINA; AZKA DITA AULIA; BIAN RAFI SAFARAZ; ARUM NUR MUKARROMAH; ASFI DZIHNI; ATIKAH KHOIRIYAH AZZAM; AULIA SYAH HAFIFFAH; MUHAMMAD NUR SULTON; AHMAD DWI SETYAWAN
Nusantara Bioscience Vol. 18 No. 1 (2026)
Publisher : Smujo International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/nusbiosci/n180107

Abstract

Abstract. Wulandari AA, Agustina AT, Aulia AD, Safaraz BR, Mukarromah AN, Dzihni A, Azzam AK, Hafiffah AS, Sulton MN, Setyawan AD. 2026. Climate-associated shifts in potential habitat of the vulnerable tree Eusideroxylon zwageri in Southeast Asia using an exploratory MaxEnt assessment. Nusantara Bioscience 18 (1): n180107. https://doi.org/10.13057/nusbiosci/n180107. Eusideroxylon zwageri (Bornean ironwood) is a slow-regenerating, high-value rainforest tree threatened by timber extraction, habitat conversion, and climate change. We examined its current and future potential habitat in Southeast Asia using an archived MaxEnt workflow based on 57 GBIF occurrence records and 18 climatic, topographic, edaphic, vegetation, radiation, and anthropogenic predictors. Baseline climate was represented by WorldClim variables, whereas projections used HadGEM2-ES conditions for 2030, 2050, and 2080 under RCP 2.6, 4.5, 6.0, and 8.5. The baseline model had an AUC of 0.91. Precipitation of the driest quarter contributed 57.40%, followed by human population density (9.85%), minimum temperature of the coldest month (9.43%), and annual temperature range (7.78%). Under baseline conditions, high-suitability habitat occupied 0.22×106 km2 (5.16% of the modeled region), principally in Borneo, Sumatra, Brunei Darussalam, and Peninsular Malaysia. Across future scenarios, total modeled area remained approximately constant (4.25-4.28×106 km2), but the distribution among suitability classes changed; high suitability ranged from 4.94% to 6.82%. Within Borneo, high suitability ranged from 22.35% to 38.06%, and the 2080 suitability centroid shifted 7.81-66.54 km depending on the RCP. These outputs indicate redistribution of modeled environmental suitability, not demonstrated adaptation, occupancy, or population persistence. The maps are therefore appropriate for regional screening but require confirmation through bias-corrected occurrence data, spatially independent validation, multiple climate models, model-tuning and extrapolation diagnostics, dynamic land-cover scenarios, and field assessment before site-level conservation decisions.
Taxonomic and landscape-use composition of planted vegetation across a tropical university campus in Central Java, Indonesia FADIA AULIANISSA AINAYA; NUR ROHMAYANI ANGGELIKA PUTRI; DANASTRI NUR ATHAYA RADYA PUTRI; AIKO YHOVIERA FARRAZ MU'ALI; SESILIA RETNO AYU NINGTYAS; HERLINA NOFITASARI; AHMAD DWI SETYAWAN
Nusantara Bioscience Vol. 18 No. 1 (2026)
Publisher : Smujo International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/nusbiosci/n180110

Abstract

Abstract. Ainaya FA, Putri NRA, Putri DNAR, Mu'ali AYF, Ningtyas SRA, Nofitasari H, Setyawan AD. 2026. Taxonomic and landscape-use composition of planted vegetation across a tropical university campus in Central Java, Indonesia. Nusantara Bioscience 18 (1): n180110. https://doi.org/10.13057/nusbiosci/n180110. Urban university campuses are intensively managed landscapes that can retain diverse planted floras and support long-term biodiversity planning. This study produced a traceable inventory of planted vegetation at the main campus of Universitas Sebelas Maret, Surakarta, Central Java, Indonesia. Seventeen sampling stations were distributed purposively among ten campus landscape zones; each station comprised four nested component plots assigned to tree, pole, sapling, and seedling/low-stature classes, giving 68 component plots rather than 68 independent sampling units. The archived checklist was audited at the taxon level, and every entry was assigned to one mutually exclusive primary landscape-use category. The inventory contained 99 operational taxonomic entries representing 98 named species because two cultivated forms of Psidium guajava were retained separately; entries belonged to 39 families. Fabaceae was the richest family (17 entries), followed by Arecaceae and Myrtaceae (seven each). Ornamental plants were the largest use category (37 entries; 37.4%), followed by fruit trees (27; 27.3%), shade trees (19; 19.2%), timber species (6; 6.1%), multipurpose plants (6; 6.1%), and medicinal plants (4; 4.0%). Across structural classes, 61 taxa occurred in the seedling/low-stature class, 28 in sapling, 28 in pole, and 32 in tree classes; entries could occur in multiple classes. Sixty-five entries (65.7%) were represented in only one class, whereas five (5.1%) occurred in all four; ornamental entries were concentrated in the seedling/low-stature class. Because plot-level abundance, DBH data, vouchers, and repeated surveys were unavailable, abundance-based diversity, regeneration, sector comparisons, and ecosystem-service estimates could not be validated. The audited inventory provides a reproducible baseline for future georeferenced, abundance-based, and temporal campus vegetation monitoring.
Co-Authors ADITYA TRIYANTO ADITYA WISNU SYAHPUTRA AGUSTINA PUTRI CAHYANINGSIH AIKO YHOVIERA FARRAZ MU'ALI AINI MAR'ATUSH SHOLEKHA ARDITA AYU WULANDARI ARU DEWANGGA ARUM NUR MUKARROMAH ASFI DZIHNI Atikah Khoiriyah Azzam AULIA SYAH HAFIFFAH AULIA TSALATSA AGUSTINA AWWALIN ROSITA AISYAHTUNNISA AZ ZAHRA MUTI'AH FADHILAH AZKA DITA AULIA BIAN RAFI SAFARAZ CHRISTIN NOVITA PUTRI WIBOWO CINTA KAMILA GAMA AZIZAH D. DARNAEDI DANASTRI NUR ATHAYA RADYA PUTRI DAVINA ALIFIA TSURAYYA DEWI RAHMAWATI DIAN RAHMAD RENALDI DIANTI DIANTI DINARA AFRIDA SALEH DITA OKTAVIA FADIA AULIANISSA AINAYA FAUZAN RAFI WICAKSONO FIKA NUR APRILIA FRANSISCA AMELIA KARTIKA ARDHYANTI GHAZY AQILA SHANDY PRABOWO GILANG DWI NUGROHO HAFIZH MUHAMAD ZEN HANA PARAMESTI HANIFA SABILA RAHMA HERLINA NOFITASARI ILYAS NURSAMSI INGGRID TRIFENA YULIA INOCENCIO E. Jr. BUOT IYUALEVI GARNIS PERWITASARI Jatna Supriatna MIFTAHUDIN MIFTAHUDIN MUHAMMAD NUR SULTON NISYAWATI NISYAWATI NUR ROHMAYANI ANGGELIKA PUTRI PUSPA DEWI N. LOTULUNG QUROTUL AINIA QUROTUL AINIA RAISA NOOR SAFIRA RAISA NOOR SAFIRA Rini Syarifah Roi Andrianto ROI ANDRIANTO Rokhmatuloh, Rokhmatuloh SAKINA ENOVA RAHMADHANI SAKINA ENOVA RAHMADHANI SESILIA RETNO AYU NINGTYAS SIBRINA SALSABILA SIBRINA SALSABILA SUGIYARTO SUGIYARTO SUNARTO SUNARTO SUTARNO SUTARNO SYARIFAH HASNA ROSYIDA TATIK CHIKMAWATI WIDHI HIMAWAN YULITA KUSUMADEWI ZAHRA HANUN