Palu, Indonesia

Tadulako University
Palu, Indonesia

Tadulako University is the only public university in Palu, Central Sulawesi, Indonesia. It was established on May 1, 1981 after being an affiliate of Hasanuddin University of Makassar for several years. Its current rector is Muhammad Basir.The Tadulako University in Palu host 9 Faculties, enrolled by 22.000 student bodies and served by 1057 academic staff. Deriving from a small private education institution , Tadulako University was established as public state university in 1981. Located on an outer island, Tadulako University today plays an important role in developing higher education in the eastern part of Indonesia.The University approximately 8 KM from the central airport. It can be reach by taxi and any public transportation.Palu's climates is influenced by two seasons only which are wet seasons between October to March and dry seasons between April to September.Temperature and humidity are approximately similar throughout the year which is 28-33○C and 80-90%. Wikipedia.

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Sutapa I.W.,Tadulako University
Environmental Engineering Research | Year: 2017

This study was conducted to determine the effect of the climate change to the level of groundwater recharging. This research was conducted on the watershed of Bangga by using the Soil Water Balance of MockWyn-UB model. Input data compose of evapotranspiration, monthly rainfall, watershed area, canopy interception, heavy rain factor and the influence of climate change factors (rainfall and temperature). The conclusion of this study indicates that there is a decreasing trend in annual groundwater recharge observed from 1995 to 2011. The amount of groundwater recharge varied linearly with monthly rainfall and between 3% to 25% of the rainfall. This result implies that rain contributed more than groundwater recharge to runoff and evaporation and the groundwater recharge and Bangga River discharge depends largely on the rainfall. In order to increase the groundwater recharge in the study area, reforestation programmes should be intensified. © 2017 Korean Society of Environmental Engineers.

Rusaini,Tadulako University | Rusaini,James Cook University | Owens L.,James Cook University
Fish and Shellfish Immunology | Year: 2010

In crustacea, the lymphoid organ (LO) is found exclusively in penaeid prawns. Other crustaceans such as crabs, lobsters and crayfish do not possess lymphoid organs. Many scientists believe that the lymphoid organ is involved in defence against invading pathogens. The discovery of immune-related genes with the LO confirms some cells have immunological roles even though these genes might be from the haemocytes within this organ. The formation of the lymphoid organ spheroid (LOS) cells has been observed in many naturally or experimentally infected penaeid prawns with viral diseases. It has been suggested that these spheroid cells constitute a major site of viral degradation. The origin and elimination mechanism of the spheroids has been debated in a number of publications. It is most likely that this cell type is produced from exocytosed granular haemocytes and eliminated to the environment rather than in situ destruction via necrosis or apoptosis. © 2010 Elsevier Ltd.

Culmsee H.,University of Gottingen | Leuschner C.,University of Gottingen | Moser G.,University of Gottingen | Pitopang R.,Tadulako University
Journal of Biogeography | Year: 2010

Aim: This study investigates how estimated tree aboveground biomass (AGB) of tropical montane rain forests varies with elevation, and how this variation is related to elevational change in floristic composition, phylogenetic community structure and the biogeography of the dominant tree taxa. Location: Lore Lindu National Park, Sulawesi, Indonesia. Methods: Floristic inventories and stand structural analyses were conducted on 13 plots (each 0.24 ha) in four old-growth forest stands at 1050, 1400, 1800 and 2400 m a.s.l. (submontane to upper montane elevations). Tree AGB estimates were based on d.b.h., height and wood specific gravity. Phylogenetic diversity and biogeographical patterns were analysed based on tree family composition weighted by AGB. Elevational trends in AGB were compared with other Southeast Asian and Neotropical transect studies (n = 7). Results: AGB was invariant from sub- to mid-montane elevation (309-301 Mg ha-1) and increased slightly to 323 Mg ha-1 at upper montane elevation. While tree and canopy height decreased, wood specific gravity increased. Magnoliids accounted for most of the AGB at submontane elevations, while eurosids I (including Fagaceae) contributed substantially to AGB at all elevations. Phylogenetic diversity was highest at upper montane elevations, with co-dominance of tree ferns, Podocarpaceae, Trimeniaceae and asterids/euasterids II, and was lowest at lower/mid-montane elevations, where Fagaceae contributed > 50% of AGB. Biogeographical patterns showed a progression from dominant tropical families at submontane to tropical Fagaceae (Castanopsis, Lithocarpus) at lower/mid-montane, and to conifers and Australasian endemics at upper montane elevations. Cross-continental comparisons revealed an elevational AGB decrease in transects with low/no presence of Fagaceae, but relatively high AGB in montane forests with moderate to high abundance of this family. Main conclusions: AGB is determined by both changes in forest structure and shifts in species composition. In our study, these two factors traded off so that there was no net change in AGB, even though there were large changes in forest structure and composition along the elevational gradient. Southeast Asian montane rain forests dominated by Fagaceae constitute important carbon stocks. The importance of biogeography and species traits for biomass estimation should be considered by initiatives to reduce emissions from deforestation and forest degradation (REDD) and in taxon choice in reforestation for carbon offsetting. © 2010 Blackwell Publishing Ltd.

Galib I.M.,Tadulako University
Journal of Engineering Science and Technology | Year: 2016

The present study discusses phenomena occurred in a natural channel where a bridge is built in a river bend. The present study aims at determining the effect of pillars thickness on water surface slope in transverse direction on channel bend which is defined in superelevation coefficient (Cs). Physical modelling applies 180o channel bend, 0.75 m radius, and 0.5 m width. It was applied in both with pillar and without pillar flows in subcritical-turbulent flow. For the flows with pillar there were pillar interval of 30o and 60o. The results show that the highest value of Cs (7.826) is found in the flows with pillar of the 30o interval in 30o river bend. In the interval of 60o where the pillar thickness is 3 cm, the Cs value is greater than when the pillar thickness is 2 cm, on the other hand in the interval of 30o the Cs value is smaller. It is recommended for the next research to apply hydraulic condition with average velocity divided by the critical velocity must be greater than one. © School of Engineering, Taylor’s University.

Ishak M.G.,Tadulako University
International Journal of Engineering and Technology | Year: 2015

To construct a bridge as a crossing building on a very wide river it might not used one span only, therefor, in middle of the river it is needed pillar as support. The existing of the pillars will change velocity distribution, surface water and topography of sediment, especially when the pillar is located on the bend of the river where the very large hydraulic can be hepened. Therefore, this study will be focused on the effect of the coordinate pillar to the superelevation coefficient. The research has done by making a model of channel with and without sediment for the both testing conditions, the pillar was moved by every interval of 30° on bends of the channel. Results of the research showed that the greatest value of Cs for the flow without sediment at the position of pillar of 0° at the bend of 120° is 3.413. On the otherhand, the greatest value of Cs for the flow with sediment was 3.509 wich was given by pillar at position 150° at bend of 30°.

Wayan Sutapa I.,Tadulako University
International Journal of Engineering and Technology | Year: 2015

Global climate change is marked by changes in weather patterns and climate patterns result in increased or reduced rainfall in some areas. Decreased rainfall as input variables watershed due to irregularities global climate will affect the flow of the river, both annual river flow and seasonal dynamics. One of the basic human needs are affected by global warming is the water. The importance of adequate water supply for the community public hearings mandated by the declaration of the United Nations in 2000 which set the year 2015 as the horizon for achieving the Millennium Development Goal's (MDG's). This is confirmed again at the Earth Summit in Johannesburg in September 2002 on the preparation of programs and strategies in 2015 for water supply and sanitation. In this study, the availability of water is analyzed by the FJ. Mock model and water needs were analyzed based on the guidelines for water needs. The analysis showed that there is excess water in January and May to August and the lack of water in the Month of February and the month of September to December. To overcome the shortage of water is necessary to change the cropping pattern and prioritize water for the needs of the population and livestock.

Wayan Sutapa I.,Tadulako University
International Journal of Applied Engineering Research | Year: 2015

In the Regulation of the Minister of Public Works Number 63 in 1993, Riparian is "the area along the right and left bank (including artificial river) which is limited by the riparian line and has important benefits to maintain the preservation of the river". Thus the river should be protected and preserved; enhanced functionality and practicality, as well as controlled negative impact are likely to occur. Therefore it is necessary to set riparian line of the river in order to realize the benefits of river and stream damage control. This study begins with a study of the literature on the riparian line of the river that originates from the laws that exist in Indonesia and take inventory along the river. Under the legislation on riparian line of the river is used as the legal basis in determining the riparian line of the river, then to facilitate the study, made the types of riparian line streams corresponding field conditions. The end result of this research is planned riparian line of the river, the land area is in the line of riparian (land should be released) and maps of riparian area. © Research India Publications.

Culmsee H.,University of Gottingen | Pitopang R.,Tadulako University | Mangopo H.,Tadulako University | Sabir S.,Tadulako University
Biodiversity and Conservation | Year: 2011

Tropical high mountain forests in Lore Lindu National Park, Sulawesi, Indonesia, were described by their floristic composition and the importance of tree families (Family importance values, FIV), based on tree inventories conducted on 4 plots (each 0. 24 ha) in old-growth forest stands at c. 1800 and 2400 m a. s. l. (mid- and upper montane elevations). To identify general patterns and regional peculiarities of the forests in the SE Asian and SW Pacific context, the biogeography of the tree species was analysed using distribution records. Out of the total of 87 tree species, only 18 species were found at both elevational zones. The discovery of new species and new distribution records (28% of the data set) highlights the deficiencies in the taxonomic and distribution data for Sulawesi. Sulawesi endemism rate was 20%. In the mid-montane Fagaceae-Myrtaceae forests, Lithocarpus spp. (Fagaceae) were overall important (4 spp. occupying around half of the total basal area) and the Myrtaceae the most species rich (8 spp.), thus showing typical features of Malesian montane forests. The upper montane conifer-Myrtaceae forest contained several high mountain tree taxa and showed affinity to the forests of New Guinea. The mountain flora comprised both eastern and western Malesian elements, with the nearest neighbouring islands Borneo and Maluku both sharing species with Sulawesi, reflecting the complex palaeogeography of the island. A separate analysis showed the mid-montane forest to possess greatest biogeographical affinity to Borneo/western Malesia, and the upper montane forest had a number of typical elements of Papuasia/eastern Malesia and the Phillipines, which may be a result of historical patterns in land connection and the emergence of mountain ranges. © 2011 The Author(s).

Wielgoss A.,University of Gottingen | Wielgoss A.,University of Würzburg | Wielgoss A.,Klabat University | Wielgoss A.,Tadulako University | Wielgoss A.,Lund University
Proceedings. Biological sciences / The Royal Society | Year: 2014

Owing to complex direct and indirect effects, impacts of higher trophic levels on plants is poorly understood. In tropical agroecosystems, ants interact with crop mutualists and antagonists, but little is known about how this integrates into the final ecosystem service, crop yield. We combined ant exclusion and introduction of invasive and native-dominant species in cacao agroecosystems to test whether (i) ant exclusion reduces yield, (ii) dominant species maximize certain intermediate ecosystem services (e.g. control of specific pests) rather than yield, which depends on several, cascading intermediate services and (iii) even, species-rich ant communities result in highest yields. Ants provided services, including reduced leaf herbivory and fruit pest damage and indirect pollination facilitation, but also disservices, such as increased mealybug density, phytopathogen dissemination and indirect pest damage enhancement. Yields were highest with unmanipulated, species-rich, even communities, whereas ant exclusion decreased yield by 27%. Introduction of an invasive-dominant ant decreased species density and evenness and resulted in 34% lower yields, whereas introduction of a non-invasive-dominant species resulted in similar species density and yields as in the unmanipulated control. Species traits and ant community structure affect services and disservices for agriculture in surprisingly complex ways, with species-rich and even communities promoting highest yield.

Tiwow V.M.A.,Tadulako University
AIP Conference Proceedings | Year: 2014

One group of aminoglycoside antibiotics contains aminosugars. The aminosugar neomycin B with its derivate product neamine (2-Deoxy-4-0-(2,6- diamino-2,6-dideoxy-α-D-glucopyranosyl)-D-Streptamine) was identified as a free ligands and metal complexes. In particular, the stability constants of metal complexes by potentiometric titration techniques were investigated. Our previous study had determined the acid dissociation constants of these aminosugars with few metal complexes in fair depth. In this work, the complexation of two pyridine-containing amino alcohols and an amino sugar (neamine) have been measured potentiometrically. For instance, the stability constant of copper(II) complexation were determine and the model system generated an excellent fit. Stability constants with several metals have been determined and will be reported. © 2014 AIP Publishing LLC.

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