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Sustainability transitions and potential naturalization risk in the trade and cultivation of Selaginella kraussiana in tropical Indonesia AHMAD DWI SETYAWAN; SUTARNO SUTARNO; SUGIYARTO SUGIYARTO; SUNARTO SUNARTO; DIANTI DIANTI
Asian Journal of Agriculture Vol. 9 No. 2 (2025)
Publisher : Smujo International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/asianjagric/g090259

Abstract. Setyawan AD, Sutarno, Sugiyarto, Sunarto, Dianti. 2025. Sustainability transitions and potential naturalization risk in the trade and cultivation of Selaginella kraussiana in tropical Indonesia. Asian J Agric 9: 925-945. Selaginella kraussiana has recently become popular as a tropical ornamental plant in Indonesia because of its attractive morphology, rapid vegetative growth, and suitability for humid shaded environments. However, information regarding the multidimensional sustainability of its cultivation and trade systems remains limited, particularly concerning ecological resilience, socio-economic performance, and potential naturalization risk associated with ornamental dissemination. This study evaluated the sustainability of S. kraussiana cultivation and trade systems in Central Java, Indonesia, using a RAPFISH-based multidimensional framework integrated with SWOT-TOWS analysis. Primary data were collected through semi-structured interviews, field observations, and environmental assessments involving 40 ornamental plant farmers and traders. Sustainability evaluation included ecological, economic, social, technological, and institutional dimensions. The ecological dimension achieved the highest sustainability index (83.93%), indicating highly sustainable cultivation conditions supported by humid microclimates and vegetative propagation systems. Economic sustainability was categorized as moderately sustainable (58.29%), whereas social sustainability remained low sustainable (36.70%). Technological and institutional dimensions showed unsustainable conditions (18.29%) due to limited innovation, weak institutional support, and low organizational integration. Monte Carlo validation confirmed strong RAPFISH ordination reliability with stress values below 0.25 and coefficients of determination (R²) above 0.94. The study indicates that increasing ornamental trade and repeated movement of vegetative planting materials may elevate propagule pressure and warrant precautionary ecological monitoring under favorable humid tropical environments. These findings highlight the urgent need for integrating ecological precaution, technological adaptation, institutional strengthening, and biodiversity conservation into sustainable tropical ornamental horticulture systems while minimizing potential ecological risks associated with ornamental dissemination.

Diversity and potential invasiveness of insects in agricultural landscapes of Wonosobo, Central Java, Indonesia SAKINA ENOVA RAHMADHANI; SIBRINA SALSABILA; ROI ANDRIANTO; SYARIFAH HASNA ROSYIDA; QUROTUL AINIA; ARU DEWANGGA; AHMAD DWI SETYAWAN
Asian Journal of Agriculture Vol. 9 No. 2 (2025)
Publisher : Smujo International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/asianjagric/g090234

Abstract. Rahmadhani SE, Salsabila S, Andrianto R, Rosyida SH, Ainia Q, Dewangga A, Setyawan AD. 2025. Diversity and potential invasiveness of insects in agricultural landscapes of Wonosobo, Central Java, Indonesia. Asian J Agric 9: 663-670. Altitude and microclimatic variation act as key ecological filters that shape species diversity, community structure, and invasion potential altitude, microclimate, and land-use intensity jointly structure insect communities in the agricultural landscapes of Wonosobo, Central Java, Indonesia. Surveys across lowland Karangsambung (621 masl), mid-elevation Blederan (969 masl), and highland Sembungan (2,056 masl) recorded 57 species from 31 families, revealing clear diversity gradients. Species richness and functional balance peaked at mid-elevation, where moderate temperatures and heterogeneous vegetation supported diverse herbivores, predators, and pollinators. Lowland sites retained high diversity driven by warm conditions and productive cropping systems. In contrast, highland assemblages were simplified and dominated by synanthropic Diptera (Musca domestica, Leucostoma simplex), reflecting harsh climatic filters and nutrient-enriched soils. NMDS-envfit analyses highlighted altitude, temperature, illumination, and wind as the main determinants of community structure. Invasiveness remained low overall, but disturbance-tolerant taxa increased with elevation. These findings emphasize the importance of vegetation heterogeneity, microclimate buffering, and biological control in sustaining ecological stability. As climate warming accelerates, mid-elevation agroecosystems may become critical resilience zones for conserving biodiversity and maintaining agricultural sustainability.

Local knowledge and the utilization of non-medicinal plants in home garden by the people of Donorejo Village in the Menoreh Karst Area, Purworejo, Central Java, Indonesia AINI MAR'ATUSH SHOLEKHA; INGGRID TRIFENA YULIA; ZAHRA HANUN; IYUALEVI GARNIS PERWITASARI; AGUSTINA PUTRI CAHYANINGSIH; SUNARTO SUNARTO; SUTARNO SUTARNO; INOCENCIO E. Jr. BUOT; AHMAD DWI SETYAWAN
Biodiversitas Journal of Biological Diversity Vol. 24 No. 1 (2023)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d240173

Abstract. Sholekha AM, Yulia IT, Hanun Z, Perwitasari IG, Cahyaningsih AP, Sunarto, Sutarno, Sugiyarto, Buot Jr IE, Setyawan AD. 2023. Local knowledge and the utilization of non-medicinal plants in home garden by the people of Donorejo Village in the Menoreh Karst Area, Purworejo, Central Java, Indonesia. Biodiversitas 24: 645-657. Donorejo Village, in Purworejo District, Central Java, Indonesia, is one of the villages in the Menoreh Karst Mountains that uses non-medicinal plants. Donorejo villagers typically own vast plots of land that might be used for a wide range of productive purposes if planted with suitable vegetation. This study aims to investigate the knowledge of local people in the Menoreh Karst Mountain Area, Donorejo Village regarding the use of non-medicinal plants for daily life and document the use of plants by locals that can be useful to prevent delays in the transmission of local knowledge to future generations. Interviews and surveys conducted in the field using a purposive sampling strategy provided the bulk of the study's information. The age range of the 48 informants was from 25 to 91 years old, and the vast majority of them had only completed elementary school. A total of 119 species of non-medicinal plants were identified, representing 62 families and 12 different purposes, based on the results of the inventory of plants indicated by respondents and field observations. These plants were utilized as ornamental plants (48 species), food plants (44 species), cooking spices (16 species), animal feed (13 species), firewood (6 species), building materials (6 species), household items (2 species), and funeral ritual, prayer beeds, food wrapper, fence, fire starter (1 species). Based on these findings, it is clear that the residents of Donorejo Village continue to employ various non-medicinal plants in their gardens for various purposes.

Putative occurrence of amentoflavone across Selaginella species inferred from HPLC Retention Time analysis AHMAD DWI SETYAWAN; TATIK CHIKMAWATI; MIFTAHUDIN MIFTAHUDIN; PUSPA DEWI N. LOTULUNG; SUTARNO SUTARNO; SUGIYARTO SUGIYARTO; SUNARTO SUNARTO
Biodiversitas Journal of Biological Diversity Vol. 26 No. 12 (2025)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d261246

Abstract. Setyawan AD, Chikmawati T, Miftahudin, Lotulung PDN, Sutarno, Sugiyarto, Sunarto. 2025. Putative occurrence of amentoflavone across Selaginella species inferred from HPLC Retention Time analysis. Biodiversitas 26: 6490-6501. Amentoflavone is a prominent biflavonoid frequently reported in the genus Selaginella and widely studied for its diverse biological activities. However, information on its distribution across species remains fragmented and largely restricted to isolated reports on individual taxa. This study aims to provide a comparative, compound-centric assessment of the putative occurrence of amentoflavone across multiple Selaginella species using a standardized Retention Time (RT)-based HPLC approach. Plant materials representing 20 samples from 17 Selaginella species were analyzed under uniform extraction and chromatographic conditions. An authentic amentoflavone reference standard was used to establish an external RT benchmark, and chromatograms recorded at 270 nm were qualitatively evaluated for RT correspondence within a predefined RT screening window centered on the reference peak. Occurrence was assessed using a presence–absence framework without quantitative estimation or multivariate analysis. Putative RT correspondence consistent with amentoflavone was detected in 9 of the 17 analyzed species, while several taxa consistently lacked detectable RT-matched peaks. The observed RT ranges among positive species were narrowly clustered, indicating stable chromatographic behavior of the detected signal across different plant matrices. Intraspecific comparisons revealed contrasting presence–absence outcomes among populations of the same species, highlighting population-level variability in detectable compound occurrence. The results demonstrate that putative amentoflavone occurrence in Selaginella is species-specific and not universally distributed across the genus. This study underscores the value of RT-based HPLC as an exploratory, hypothesis-generating screening tool for mapping compound occurrence across diverse taxa, while explicitly acknowledging its limitations in structural confirmation and sensitivity. By providing a qualitative baseline, this screening-based framework offers an initial biotechnological entry point for prioritizing Selaginella taxa for targeted metabolite validation and subsequent investigation using structure-confirming analytical techniques.

Genetic diversity and molecular differentiation among Javanese Selaginella revealed by SSR and ISSR markers AHMAD DWI SETYAWAN; JATNA SUPRIATNA; D. DARNAEDI; ROKHMATULOH ROKHMATULOH; SUTARNO SUTARNO; SUGIYARTO SUGIYARTO; SUNARTO SUNARTO; YULITA KUSUMADEWI
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/d270520

Abstract. Setyawan AD, Supriatna J, Darnaedi D, Rokhmatuloh, Sutarno, Sugiyarto, Sunarto, Kusumadewi Y. 2026. Genetic diversity and molecular differentiation among Javanese Selaginella revealed by SSR and ISSR markers. Biodiversitas 27 (5): d270520. https://doi.org/10.13057/biodiv/d270520. Selaginella is a highly diverse lycophyte genus in tropical Asia, yet molecular information for Indonesian taxa remains limited, particularly for evaluating species differentiation across geographically separated populations. This study assessed genetic diversity and molecular relationships among 32 Selaginella accessions representing eight recognized species and three unidentified taxonomic entities, collected mainly from Java, Indonesia, with additional materials from Bali, Lombok, and Papua. Genetic variation was analyzed using four SSR primers and five ISSR primers, which together generated 122 scorable loci, all of them polymorphic. SSR markers produced 43 loci, whereas ISSR markers generated 79 loci and contributed higher discriminatory power through greater polymorphism information content, resolving power, and marker index. Genetic similarity coefficients ranged from 0.42 to 0.93, indicating moderate to high molecular affinity among accessions. Both UPGMA clustering and principal component analysis consistently separated the major taxa, although widespread species such as S. plana and S. involvens showed moderate internal dispersion across accessions from different localities. AMOVA revealed that 80.1% of molecular variation occurred within species and 19.9% among species, with significant species-level differentiation (PhiPT = 0.199; P = 0.001). Nei's genetic distance revealed moderate molecular affinity among most Javanese taxa, whereas the Lombok and Papuan accessions occupied more divergent molecular positions. Geographic origin had little influence on the overall molecular structure, suggesting that species identity was the primary determinant of genetic differentiation. These findings demonstrate that combining SSR and ISSR markers provides a reliable molecular framework for refining taxonomy and supporting future conservation efforts for tropical Selaginella in Indonesia.

Diversity of plants as a food supplement and medicine for livestock in cattleman communities of Wonosobo, Central Java, Indonesia FIKA NUR APRILIA; FRANSISCA AMELIA KARTIKA ARDHYANTI; HANA PARAMESTI; GHAZY AQILA SHANDY PRABOWO; RAISA NOOR SAFIRA; NISYAWATI NISYAWATI; AHMAD DWI SETYAWAN
Nusantara Bioscience Vol. 17 No. 1 (2025)
Publisher : Smujo International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/nusbiosci/n170109

Abstract. Aprilia FN, Ardhyanti FAK, Paramesti H, Prabowo GAS, Safira RN, Nisyawati, Setyawan AD. 2025. Diversity of plants as a food supplement and medicine for livestock in cattleman communities of Wonosobo, Central Java, Indonesia. Nusantara Bioscience 17: 84-95. The Wonosobo community in Central Java, Indonesia mostly participates in agriculture and animal husbandry. Individuals engaged in agriculture and animal husbandry exhibit a significant reliance on local resources for the management of food production and animals. This study aimed to find plant diversity that serves as animal feed and supplements for cattle in Wonosobo. The investigation was conducted in October 2024 in the Kalibawang Sub-district of Wonosobo, Central Java, Indonesia, utilizing data gathered from four villages: Dempel, Kalialang, Karangsambung, and Mergolangu. This study included direct surveys and comprehensive interviews with 126 livestock farmers to collect data. The study documented 74 plant species from 37 families utilized as animal feed. The predominant plant families were Fabaceae, Euphorbiaceae, Asteraceae, Poaceae, and Moraceae, encompassing several plants with considerable potential for application in feed, medicine, and animal supplements, presenting a promising perspective for the future of agriculture in Wonosobo. Of the 78 species, 15 were utilized by the inhabitants of Kalibawang Sub-district for medicinal applications, including wora-wari (Hibiscus rosa-sinensis), sengon laut (Paraserianthes falcataria), brotowali (Tinospora cordifolia), coconut (Cocos nucifera), papaya (Carica papaya), jackfruit (Artocarpus heterophyllus), Gliricidia (Gliricidia sepium), sulanjana (Pennisetum purpureum), cassava (Manihot esculenta), jenu (Derris elliptica), banana (Musa x paradisiaca), ginger (Zingiber officinale), turmeric (Curcuma longa), candlenut (Aleurites moluccanus), and mahogany (Swietenia mahagoni). The highest UV index was recorded in Artocarpus heterophyllus Lam and Carica papaya L., with a value of 0.023. The highest indices for RFC (0.37) is Calliandra calothyrsus Meissn and IAR (Informant Agreement Ratio) (0.94) is Artocarpus heterophyllus Lam; however, the highest ICF (Informant Consensus Factor) index was associated with the diarrhea (0.66).

Invasion dynamics and elevational range expansion of insects in tropical agricultural landscapes of Wonosobo, Central Java, Indonesia SAKINA ENOVA RAHMADHANI; SIBRINA SALSABILA; ROI ANDRIANTO; SYARIFAH HASNA ROSYIDA; QUROTUL AINIA; ARU DEWANGGA; AHMAD DWI SETYAWAN
Nusantara Bioscience Vol. 17 No. 2 (2025)
Publisher : Smujo International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/nusbiosci/n170216

Abstract. Rahmadhani SE, Salsabila S, Andrianto R, Rosyida SH, Ainia Q, Dewangga A, Setyawan D. 2025. Invasion dynamics and elevational range expansion of insects in tropical agricultural landscapes of Wonosobo, Central Java, Indonesia. Nusantara Bioscience 17: 355-374. Biological invasions in tropical mountain agroecosystems are increasingly reported, yet the processes driving elevational range expansion of invasive insects remain poorly understood. This study examined invasion dynamics and elevational range expansion of insects across a gradient of lowland to highland agricultural landscapes in Wonosobo District, Central Java, Indonesia. Using a targeted sampling approach, we quantified invasion intensity with the Relative Invasiveness Index (RII) and elevational expansion with the Altitudinal Expansion Index (AEI). Functional feeding group composition and environmental drivers were further analyzed to evaluate invasion-related community reorganization. A total of 692 insect individuals were recorded, of which 295 individuals (42.6%) belonged to nine invasive or potentially invasive taxa. RII values were lowest at lowland (13.2%), highest at mid-elevation (53.6%), and moderately high at highland sites (48.7%). In contrast, AEI was only positive in highland systems (mean AEI = 45.7%; range: 38.7-59.6%), where upslope expansion was detected in saprophagous Diptera, with Leucostoma simplex showing the highest elevational shift (up to 856 m above historically documented limits). Functional composition shifted from herbivore-dominated assemblages at low elevation to predator-dominated at mid-elevation and saprophage-detritivore-dominated at high elevation, indicating functional homogenization under increasing invasion pressure. Canonical Correspondence Analysis revealed that elevation and light intensity were the primary drivers of upslope expansion, while temperature and wind exposure influenced invasion dominance. These findings demonstrate that elevational gradients in tropical agricultural landscapes function as invasion filters rather than biodiversity gradients, with mid-elevation systems acting as transitional invasion hotspots and highland systems representing high-risk zones for invasion-driven functional simplification. The study highlights the need for elevation-specific invasion risk zoning and early intervention strategies to mitigate emerging invasion threats in tropical mountain agroecosystems.

Prediction of potential climate change impacts on the geographic distribution shift of Selaginella kraussiana and S. uncinata in East, South and Southeast Asia AHMAD DWI SETYAWAN; SUTARNO SUTARNO; SUGIYARTO SUGIYARTO; SUNARTO SUNARTO; ILYAS NURSAMSI; MUHAMMAD NUR SULTON; GILANG DWI NUGROHO
Nusantara Bioscience Vol. 18 No. 1 (2026)
Publisher : Smujo International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/nusbiosci/n180105

Abstract. Setyawan AD, Sutarno, Sugiyarto, Sunarto, Nursamsi I, Sulton MN, Nugroho GD. 2026. Prediction of potential climate change impacts on the geographic distribution shift of Selaginella kraussiana and S. uncinata in East, South and Southeast Asia. Nusantara Bioscience 18 (1): n180105. https://doi.org/10.13057/nusbiosci/n180105. Climate change is increasingly altering the geographic distribution of invasive plant species, yet comparative assessments of closely related invasive taxa remain limited. This study evaluated the potential impacts of climate change on the future distribution of two invasive lycophytes, Selaginella kraussiana and S. uncinata, across East, South, and Southeast Asia. Species distribution models were developed using the Maximum Entropy (MaxEnt) algorithm based on occurrence records compiled from GBIF, field observations, and published literature. The models incorporated 15 environmental variables representing bioclimatic, edaphic, UVB-radiation, and topographic factors. Future habitat suitability was projected for 2030, 2050, and 2080 under four Representative Concentration Pathway (RCP) scenarios (2.6, 4.5, 6.0, and 8.5). Model performance was high for both species, with AUC values of 0.935 for S. kraussiana and 0.966 for S. uncinata, indicating excellent predictive accuracy. Environmental controls differed markedly between the species. Selaginella kraussiana was primarily associated with temperature-related variables, particularly the minimum temperature of the coldest month (bio_6), whereas S. uncinata was more strongly associated with annual precipitation (bio_12) and other moisture-related variables. Future projections indicated substantial habitat expansion for S. kraussiana, with total suitable habitat increasing from 11.47 × 10⁶ km² under current conditions to 16.43 × 10⁶ km² under RCP 8.5 by 2080. Expansion was projected mainly into higher-latitude and higher-elevation subtropical and temperate regions. In contrast, S. uncinata exhibited relatively stable distribution patterns, with total suitable habitat changing only slightly from 2.95 × 10⁶ km² to 3.04 × 10⁶ km² across future climate scenarios. These findings suggest that S. kraussiana may experience a greater climate-driven increase in invasion potential than S. uncinata and demonstrate the value of integrating species distribution modeling with ecological interpretation to support invasion-risk assessment, early detection, and climate-adaptive management of invasive lycophytes in Asia.

Climatic and elevational drivers of Selaginella species richness in Java, Indonesia AHMAD DWI SETYAWAN; SUTARNO SUTARNO; SUGIYARTO SUGIYARTO; SUNARTO SUNARTO; MUHAMMAD NUR SULTON
Nusantara Bioscience Vol. 18 No. 1 (2026)
Publisher : Smujo International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/nusbiosci/n180106

Abstract. Setyawan AD, Sutarno, Sugiyarto, Sunarto, Sulton MN. 2026. Climatic and elevational drivers of Selaginella species richness in Java, Indonesia. Nusantara Bioscience 18 (1): n180106. https://doi.org/10.13057/nusbiosci/n180106. Understanding environmental factors that shape species richness patterns, yet the determinants of Selaginella diversity in Java, Indonesia, remain poorly understood. Selaginella, an ancient lycophyte genus widely distributed in tropical regions, is highly sensitive to environmental conditions, particularly moisture availability and temperature. This study examined the relationships between Selaginella species richness and elevational and climatic gradients across Java, Indonesia. A total of 1,962 occurrence records representing 21 identified species and one unidentified taxon were compiled from field surveys, herbarium collections, and verified biodiversity databases. Species richness was estimated using a 0.25° × 0.25° grid system and spatially visualized through Inverse Distance Weighting (IDW) interpolation. The influence of elevation, Annual Mean Temperature, Annual Mean Precipitation, Annual Mean Solar Radiation, and Annual Mean Moisture Index on species richness was evaluated using polynomial regression, Pearson correlation analysis, and Principal Component Analysis (PCA). Species richness showed pronounced spatial heterogeneity, with hotspots concentrated in the humid montane regions of West Java. Richness exhibited nonlinear relationships with all environmental variables and peaked at intermediate elevations. Annual Mean Moisture Index (R² = 0.616) and Annual Mean Precipitation (R² = 0.527) were the variables most strongly associated with species richness, whereas Annual Mean Temperature and solar radiation showed negative relationships. Correlation and PCA results further indicated that moisture availability is closely linked to richness patterns, while elevation influences richness indirectly through its effects on local climatic conditions. These findings demonstrate that humid submontane and montane environments are critical for maintaining Selaginella diversity in Java and highlight the importance of conserving climatically suitable habitats under future environmental change.

Short Communication: Exploratory AFLP-based genetic structuring among selected Selaginella species from Indonesia AHMAD DWI SETYAWAN; TATIK CHIKMAWATI; MIFTAHUDIN MIFTAHUDIN; SUTARNO SUTARNO; SUGIYARTO SUGIYARTO; SUNARTO SUNARTO; YULITA KUSUMADEWI
Nusantara Bioscience Vol. 17 No. 2 (2025)
Publisher : Smujo International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/nusbiosci/n170217

Abstract. Setyawan AD, Chikmawati T, Miftahudin, Sutarno, Sugiyarto, Sunarto. 2025. Short Communication: Exploratory AFLP-based genetic structuring among selected Selaginella species from Indonesia. Nusantara Bioscience 17 (2): 375-386. Selaginella is one of the oldest groups of living vascular plants and helps us understand how early land plants evolved and diversified. Despite its ecological and morphological diversity, molecular data remain limited for many tropical species. This study presents an exploratory assessment of multilocus genetic structuring among selected Selaginella species using Amplified Fragment Length Polymorphism (AFLP) markers. AFLP profiles were generated using four selective primer combinations, producing a total of 248 polymorphic fragments. Genetic similarity among species was quantified using Jaccard’s coefficient, and patterns of multilocus resemblance were examined through UPGMA clustering and principal coordinate analysis (PCoA). Pairwise similarity values ranged from 0.59 to 1.00, indicating a continuum of genetic differentiation rather than sharply delimited genetic groups. UPGMA clustering and PCoA revealed two broad species assemblages and substantial variation in multilocus genetic similarity among the analyzed taxa. The clustering pattern showed partial correspondence with major growth-form categories, with predominantly creeping to ascending species grouped separately from taxa exhibiting a cypress-like habit together with S. ornata. At the same time, several morphologically distinct species exhibited relatively high AFLP similarity, highlighting both congruence and incongruence between molecular and morphological patterns. Because the final comparative analyses were based on representative AFLP profiles for each species, the results should be regarded as an exploratory overview of interspecific multilocus differentiation rather than an assessment of intraspecific variation. Although AFLP markers do not permit direct phylogenetic inference, the findings provide a useful molecular baseline for future studies employing broader sampling and sequence-based or genomic approaches. Our findings demonstrate the value of integrating multilocus AFLP data with morphological evidence to better understand genetic structuring and species relationships in Selaginella. Although exploratory in nature, this study provides a useful molecular baseline for future sequence-based and genomic investigations.

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