Gusman Gusman

Bio: Gusman Gusman is an academic researcher from Andalas University. The author has contributed to research in topics: Diameter at breast height & Basal area. The author has an hindex of 1, co-authored 1 publications receiving 3 citations.

Floristic composition and vegetation structure in Rimbo Panti Natural Forest, West Sumatera

Abstract: Study on floristic composition and vegetation has been carried out in natural forest Rimbo Panti, it is one of the remnant natural forest area in West Sumatera. The study was used quadrad method. Three sample permanent plots of 100x100 m were arranged at some altitudes (300 m, 500 m, and 700 m). Enumeration was done to all trees with diameter at breast height down to 5 cm dbh.The result of tree sampling at the location from 1059 individu totally was recorded 199 species, belong to 113 genera and 48 families with total basal area 29.16 m². Whereas the three plots were located at the same hill but if it was saw based on Jaccards index showed that the value relatively low, that is as 58.7%. From the three plots represented that at 300 m alt. which higher people pressure has been invation species of Arenga obtusifolia seriously. Some common species in the forest could be grouping of the big five, among them Paranephelium nitidum, Villebrunea rubescens, Aglaia odoratissima, Drypetes longifolia and Cyathocalyx sumatranus. The classification height of tree was showed that the plots in hilly ecosistem are a lot of trees in layer A (emergent tree) with height reached 50 m tall.Key words: composition, structure, vegetation, natural forest, Rimbo Panti.

Cultural Acculturation: Forms, Processes, and Communication Strategies in Multicultural Families in Central Sulawesi

Abstract: Diversity in diversity, but still one, has become the founding oath of the Indonesian nation so it must be avoided from cracks, let alone riots triggered by weak cultural acculturation. This study aims to describe the forms, processes, and communication strategies of immigrant communities who are culturally acculturated with indigenous people in Central Sulawesi Province, Indonesia. With a qualitative approach, this type of research is a document study on acculturation of multicultural cultures and a study of centralized interviews with informants from ethnic groups in Central Sulawesi Province, namely Javanese, Kaili, Touna, Toli-toli, and Bugis. For this reason, the source of data is in the form of text documents as evidence of published cultural acculturation, as well as information from the interview process. Simultaneously with data collection, content analysis was carried out on verbal data presented in a descriptive-qualitative manner. The results showed that the cultural acculturation of ethnic-ethnic multicultural communities in Central Sulawesi Province took the form of social gatherings (family gatherings, clan gatherings, and cultural arts performances) with a family communication process (multilingual, namely Indonesian and regional languages, as well as media) that utilized strategies cross-promotional communication (introduction, engagement, and marriage). Thus it can be concluded that acculturation of multicultural family culture in Central Sulawesi Province can be carried out by forming a new (multicultural) family. As a demographic implication, inter-ethnic differences still exist, but the formation of new cross-ethnic families can support the unity of multicultural society so that peace and harmony among citizens in Central Sulawesi is more humane

Rapid Assessment on Biodiversity in Logged Forest of Tesso Nilo, Riau Province, Sumatra

Abstract: Tesso Nilo area which is located at Riau province covers an area of 188.00 ha. Recently, it is famous because of a sharply increased in encroachment activities for forest conversion, especially for oil palm plantations and village sites. It was conducted in logged forest around Segati river, Toro river, Mamahan river and Sawan river in June 2003. The results showed that the area had the high richness of plant species which was indicated by the high value of Mennhenick index. Records from the 1 ha studied plot identified a total of 360 species included 165 genera and 57 families with 215 tree species 305 sapling species. Some important tree species which were included in the Red List of IUCN were ‘gaharu’ (Aquilaria malaccensis), ‘ramin’ (Gonystylus bancanus), Shorea spp. and Dipterocarpus spp. The local community utilized 83 species of medicinal plants and 4 species of toxic plants for fishing. The total number of recorded bird species was 114 species represented 29% of the total Sumatran bird species. The most important bird species were the Wrinkled Hornbill (Aceros corrugatus), Crestless Fireback (Lophura erythrophthalma), Crested Fireback (Lophura ignita) and Hooked-billed Bulbul (Setornis criniger). The total number of recorded mammal species was 34 species or 16.5% of 206 species of Sumatran mammals. The most important mammal species included Sumatran tiger (Panthera tigris sumatrae), Sumatran elephant (Elephas maximus sumatrensis), the Sun bear (Helarctos malayanus) and three species of primates: Hylobates agilis, Presbytis femoralis and Macaca nemestrina. The herpetofauna contained 15 reptile species and 18 amphibian species. The most important herpetofauna was the endangered False Gharial (Tomistoma schlegelii) and the vulnerable Common Softshelled turtle (Amyda cartilaginea). The number of recorded fish species was 50 represented 18% of the total Sumatran fish species (272 species). The important fish species were Breinsteinea sp. and Chaca bankanensis which were unique and rare. Since insects are the largest group of animal, this study only focused on beetles. The identified beetles were classified into 644 species and 34 families. The important beetles were the Longhorn beetles (Cerambycidae) and the Scarab beetles (Scarabaeidae).The small mammal parasites consisted of ectoparasites which were categorized into 14 species and endoparasites which were categorized into 2 orders and 3 species. Keywords: biodiversity, logged forest, richness, Sumatran tiger, Sumatran elephant

Current Status of the invasive Langkap Palm (Arenga obtusifolia) in Indonesia: Distribution, Impact on Biodiversity and Control Management

Abstract: As its spread and dominance has negative impacts on diversity, current information on Langkap status in Indonesia is needed in order to control its distribution and protect biodiversity. In the present study, through a comprehensive literature review of published papers and reports, updated information regarding Langkap Palm in Indonesia will be presented. This information includes current distribution of the species, the impact of the species on plant biodiversity, and management approaches used to control the species. The present study found a total of 12 localities in Java and Sumatra Island identified to be the natural habitat distribution of Langkap. The species was known to have dominantly distributed in the half of these localities. To control the distribution of the species, mechanical (trunk cutting) and chemical methods (herbicide application) might be applied.