Fungi and termite coexisted each other and have diverse symbiotic relationship in tropical forest. This research aims to determine the fungus found on termite nests in Suaq Balimbing Research Station so it can be used that as initial information in developing environmentally friendly termite control. The method used for collecting samples of fungus is a Standarized Sampling Protocol and for identification used slide culture method. The results showed that 5 of 12 termites nest are invaded by fungi. Based on macroscopic and microscopic observation, fungus species that obtained from termite nests are 2 species, namely: Penicillium sp.1, Trichoderma sp. 1
The Mount Seulawah Agam area is an active volcanic area that has an impact on the emergence of symptoms of volcanism. Such environmental conditions will cause the vegetation that grows in the area to be unique and not commonly found in other areas. Apart from that, the area is still relatively natural and has not experienced much disturbance by human activities. This study aims to determine the composition and similarity of vegetation types in the geothermal area of Mount Seulawah Agam, Aceh Besar District. Data collection in the field was carried out using the multiple square method which was placed in a stratified sampling based on the specified soil temperature zone. Each zone was laid out in 4 square plots in a systematic random manner. Each plant contained in the observation plot is recorded in the name of the plant species using a flora identification book, and the number of individuals of each type is recorded. Data analysis was carried out using the Important Value Index analysis, and the Sorenson Similarity Index. The results showed that there were 65 species from 611 individual plants identified starting from the growth rate of seedlings, sapling, poles, and trees. The similarity index of plant species at each growth stage in the Seulawah Agam geothermal area, Aceh Besar District generally has different species similarity in each observation zone, that is, the average is below 50%. This condition indicates that there are significant differences in plant structure at various growth rates in each zone
Abstract. Sutekad D, Jannah M, Fitri L, Fauziah F. 2022. Daily behavioral research on Sumatran Orangutan (Pongo abelii) mothers and offsprings at Suaq Balimbing Research Station, Gunung Leuser National Park, Aceh Province, Indonesia. Biodiversitas 23: 5108-5121. Discovering the daily behavior of female orangutan mothers and their offspring can provide information for use as a recent reference in orangutan conservation action plans. This research aims to determine the daily behavioral patterns of mother and offspring Sumatran orangutans (Pongo abelii) at the Suaq Balimbing research station. This study was conducted between June 2019 and March 2020 and used focal animal sampling as the method. The method used consists of searching and daily behavioral logging. The results of the research showed that six orangutan mothers and offsprings (three mother-offspring pairs) showed different behavioral patterns. The distinction was felt in the distribution of time spent on activities. Eating, moving, resting, nesting, and social activity are all part of an orangutan's daily behavior. The proportion of time allocation used in the daily activities of female mother and Sumatran orangutan pairs (Pongo abelii) that is successfully observed in the Suaq Balimbing research station are eating (68.79%), resting (11.59%), moving (11.02%), nesting (1.11%), others (5.04%) and unknown (2.45%). Orangutans' diet plants in Suaq Balimbing consist of 30 species from 25 families, including the liana diet, plants consumed with the seeds, and plants consumed by the bark. According to the findings of this study, the behavior of a mother Sumatran orangutan, while it is with its offspring can be described.
The purpose of this study was to develop inventory system of potentially entomopathogenic fungi from the termites’ nests at Seulawah Ecosystem, Aceh, Indonesia. The identification and pathogenicity test of the entomopathogenic fungi were conducted at Zoology and Microbiology Laboratories, Syiah Kuala University. We found that a potential entomopathogenic fungus, Aspergilus sp., from nest of termite (Nasutitermes spp.). Laboratory studies have shown that this entomopathogenic fungus affected to control termite Coptotermes sp. Aspergillus fungus has a great potency to be applied as a biological control agent against the termite. A post-publication change was made to this article on 11 Mar 2020 to correct the conference title in the PDF header.
The genus Termes Linneus, 1758 consisting of a total of 24 valid named species known from the Old World, is a very heterogeneous group of termites and seems to involve many taxonomic obscurities and confusions. In the island of Sumatra, the sixth-largest island located in the Southeast Asian tropics, four species of Termes have been found, namely, T. comis, T. laticornis, T. rostratus, and T. propinquus. Termes propinquus is also known from Brunei, Indonesia (Kalimantan and Sumatra), Malaysia, and Thailand. However, previous authors have mentioned that T. propinquus has been poorly discriminated from the other congeners, especially T. rostratus. Therefore, the present study aimed at clarifying the discrimination of Termes propinquus from the morphologically similar congeners from Sumatra. A total of 14 nests were collected using a standardized sampling protocol and visual colony searching in Sumatra and its adjacent island. As a result of a careful morphological examination of the soldier caste, T. propinquus was discriminated from the three other congeners by a combination of the following characteristics: distinctly long frontal projection, larger head capsule, and 2nd antennal segment distinctly longer than the 3rd. The redescription of the soldier caste of T. propinquus and a key to Termes species known from Sundaland are provided. The nests of T. propinquus were attached to the bases of living trees, clinging to stumps or the bases of the dead tree, or were epigeal.
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