The gender perspective in frankincense management leads to a view or understanding of women's roles, differentiated between nature and gender roles determined socially and culturally. Frankincense (Styrax spp.) is one of the main crops of North Sumatra which has potential to be developed, especially in Aek Nauli I Village, Pollung District, Humbang Hasundutan Regency, North Sumatra. Frankincens…
Soil is a medium for growing plants and a habitat for various soil organisms. The population of soil fauna, such as macrofauna and mesofauna, is also affected by the number and species of plants growing on the soil surface. Based on reference studies, various soil macrofauna and mesofauna investigations have been conducted in different vegetation and areas. This study aimed to determine the div…
The cave ecosystem is a unique ecosystem that has many faunas with special adaptation to the extreme cave environment. Indonesia has many caves, wich are scatterrd in the kampar kiri hulu, Riau. This study aims to determine the diversity of fauna in cave proklamasi kampar kiri hulu . The shape of this cave is vertical with a depth of 30 meters. the presence of fauna in the cave is divided into …
The demand for Melaleuca cajuputi oil in Indonesia has not been sufficient. Efforts can be made to increase production and meet the needs of Melaleuca cajuputi oil raw materials by increasing growth through fertilization and reducing nutrient losses, especially nitrogen. Biochar briquettes have the potential to reduce nitrogen loss (NL) in the soil. The purpose of this study was to determine th…
Mining activities affect the balance of the land surface ecosystem, reducing soil productivity and environmental quality. The negative impacts that arise can damage the forest which causes the chemical, biological and physical properties of the soil to be disturbed. For this reason, efforts are made to restore soil conditions to their original state through revegetation (greening) activities. U…
Eucalyptus pellita has a significant role in developing timber plantations to supply raw materials for pulp and paper production. PT Arara Abadi District Sorek is the main company that produces this plant. The eucalyptus nursery at PT. Arara Abadi District Sorek were attacked by Paracoccus marginatus. The application of chemical pesticides is effective in controlling Paracoccus marginatus infes…
Meranti wood is a popular type of wood and is in great demand by craftsmen and the wider community. One effort to improve the quality of wood is by drying the wood properly. Natural drying of wood has several obstacles, such as the drying process which takes a long time and the tendency for drying defects to occur in the wood. This research aims to determine the types of meranti wood defects in…
One of the flora with high biodiversity and varieties in Indonesia is the orchid. Orchid belong to the Orchidaceae family, known for the unique shape, color, and aroma of their flowers. The purpose of this research is to determine the species diversity of orchids (Orchidaceae) in the Aek Nauli Special Purpose Forest Area (KHDTK), Girsang Sipangan Bolon District, Simalungun Regency, North Sumatr…
Cinnamon is a plant that produces essential oil. Cinnamon oil is obtained by extracting stem bark, twig bark, branches and leaves. Relatively little research has been done on essential oils with regard to different storage times of raw materials. Therefore, it is considered important to further study the storage times of raw materials "the quality of essential oil of cinnamon leaf (Cinnamomum b…
Primatas are one of the orders in the mammal class that has a larger brain volume than other animals. Interactions between humans and primatas have been occurring since pre-historic times, but these interactions have not always been good. Bad interactions between primatas and humans have consequences for humans and primatas as well as natural resources and habitats. This research uses a qualita…
Forest damage in river basins can cause soil erosion and landslides in the upstream areas and flooding in the downstream areas, thereby increasing the area of critical land. In order for the area of critical land to decrease, it is necessary to carry out efforts to rehabilitate forests and land by involving various parties. Activities carried out in Tapung District, Kampar Regency include refor…
The International Union for Conservation of Nature (IUCN) highlights that most species of Rafflesia are endangered, hence the need for conservation and protection efforts. In sustainable forest management and conservation efforts, local communities living around the forest need to be involved. For this purpose, an understanding of their knowledge and awareness of these protected natural resourc…
Butterflies have a function as a bioindicator of an environment, where if in an area there are still various types of butterflies, it can be categorized as still good environmental quality. This study aims to determine the diversity of butterfly species in the utilization zone of Tesso Nilo National Park. This study used 2 methods, namely, the transect count method and the baited trap method. T…
Macroscopic fungi are living organisms that do not have chlorophyll, similar to plants because they have cell walls, but fungi do not have roots, stems, and leaves or talus. Macroscopic fungi are found growing on litter, weathered tree branches, and living trees and some in hill areas during the rainy season only. This study aims to determine the types of macroscopic fungi in Rimbo Larangan, Se…
Increasing CO2 in the atmosphere, Indonesia is committed to reducing greenhouse gas through the FOLU Net Sink program. This effort can be done through carbon calculation in mangrove ecosystems. Mangrove can store and absorb large amounts of carbon, so it can be used in climate change mitigation. This research aimed to determine the composition of the spesies, carbon stock and CO2 absorption in …
Information regarding the use of medicinal plants by the community around KHDTK Aek Nauli has not been widely documented. Aek Nauli and identify the specific types of medicinal plants employed by the local community. The research employed the direct exploration method in the field to ascertain the potential medicinal plants, which were subsequently identified through the use of this application…
The endemic fauna of the island of Sumatra is the Sumatran elephant (Elephas maximus sumatranus), which can be found in almost all lowland areas of the island. Elephants are animals that require the existence of forests as a place to live, breed and shelter. Forests as a natural habitat for elephants in Sumatra are starting to experience damage due to the many exploitation and conversion activi…
Siamang is one of the primate species in the Hylobatidae family that is widely distributed in Sumatra, both in lowland and hilly forests. The research aims to determine the distribution and population of siamang, as well as habitat factors that affect the distribution and population of siamang in the Lembah Harau Nature Reserve. The research uses two methods: exploration method and concentrated…
Mammals have an important role in maintaining ecosystem balance. Grand Forest Park SSH is one of the conservation areas in Riau Province with various functions such as water catchment areas, carbon absorbers, oxygen producers, recreational facilities and flora and fauna conservation. This research aims to determine the diversity of mammal species in the Sultan Syarif Hasyim Grand Forest Park, R…
The Sumatran elephant (Elephas maximus sumatranus) is a protected species categorized as endangered. The incursion of Sumatran elephants into plantation areas and residential areas often leads to conflicts between humans and these elephants. This research was conducted in the Pinggir Subdistrict of Bengkalis Regency, specifically in Pinggir Village, with the aim of understanding the community's…