ABSTRACT Forests play an important role in regulating the hydrological system, as an absorber of carbon dioxide and an oxygen producer so that forests are also known as the lungs of the world. Forest is a habitat for various types of living things, both flora and fauna. Forests play an important role for human life and other organisms that live in it such as animals and plants. Until now, …
ABSTRACT Deforestation of forest areas has a direct impact on the condition of flora and fauna, disturbed biodiversity and can lead to the extinction of certain species, one of which is kulim. Kulim is MPTS (Multipurpose Tree Species), almost all parts of the tree have high economic value, the wood is widely used by the community. The purpose of this study was to determine the distribution…
ABSTRACT Aren (Arenga pinnata Merr) is a type of palm plant that produces fruit, sap and starch or flour in the stems. Peat from its natural formation process has a low fertility rate because it contains high organic acids. Rice husk ash is the result of burning rice husk which can improve soil properties, so that it can support more optimal plant growth and development. The purpose of thi…
ABSTRACT Gambier cultivation location is usually carried out on sloping land which results in decreased land carrying capacity due to soil erosion. This research was to determine whether the factors of altitude and slope are related to the production of gambier plants and other factors related to gambier production. This research was conducted in Lima Puluh Kota Regency, West Sumatra in Se…
ABSTRACT Alternative use of stimulants from natural ingredients that are safe, relatively inexpensive, and easy to obtain, such as galangal (Alpinia galanga) and ginger (Zingiber officinale). This research was conducted to determine the effect of stimulant administration of galangal and ginger extracts on increasing the productivity of pine sap. This research was conducted in Andiang, Suli…
ABSTRACT The composition of the adhesive content of Tannin Resorcinol Formaldehyde (TRF) is considered more environmentally friendly to use when compared to the phenol resorcinol formaldehyde (RPF) adhesive. In this study to test the strength of the adhesive, acacia (Acacia mangium) and pulai (Alstonia scholaris) were used. This study aims to determine: 1. The characteristics and quality o…
ABSTRACT Non-timber forest products (HHBK) are a very abundant natural resource in Indonesia and have excellent prospects for development. Pine sap is one of the non-timber forest products that has a high demand and selling value. Efforts in increasing the productivity of pine sap is by tapping drill method and administering stimulants. The study aimed to find out the productivity of pine …
ABSTRACT WPC is ideal to be developed as a substitute for the main wood product, because at this time the productivity of wood has decreased significantly and the human need for wood products continues to increase. Nipah fruit skin can be used as a raw material for making WPC because it has fiber and lignocellulose as well as extractive substances so that it is soaked with 18% NaOH for 2 h…
ABSTACT Bandar Laksmana is a newly formed sub-district and basically still needs land resources to support its development and economic growth. Bandar Laksmana subdistrict is located in the peat hydrological unit of Rokan River – Siak Kecil River. Bandar Laksamana Sub-district has been burning forest and land fires. This study aims to describe land tenure conflicts in areas of forest and…
ABSTRACT Bukit Tigapuluh National Park has an ODTW (Tourist Attraction) that is attractive for tourists to visit and has a unique tourist attraction, namely the Granit area, a former Granit mining area. One of the dominant plant species in the Granit area's tourist attraction in Bukit Tigapuluh National Park is Shorea spp. This study aims to determine the diversity of species and morpholog…
ABSTRACT Human activities in the use of natural resources and development patterns are blamed for causing damage to the mangrove forest ecosystem. Illegal logging and land clearing for ponds that exceed the limit without carrying out rehabilitation causes degradation of the mangrove forest ecosystem. Teluklancar Village is located in Bantan Sub District, Bengkalis Regency, Riau Province. T…
ABSTRACT The expansion of the use of peat was not wise, causing the rate of peat destruction to be very fast. Peatlands in Riau have a large enough potential to be planted with various types of forestry plants. Efforts are needed to achieve optimal plant growth on peat soils. Trichoderma sp. as Tricho-Compost, it was hoped that it can spur growth and improve the quality of Arenga pinnata p…
ABSTRACT Biodiversity in Indonesia is very high as indicated by the largest proportion of flora and fauna species, for which Indonesia has the largest number of reptiles and amphibians, ranking 7th in the world. Herpetofauna has an important role in the forest ecosystem with its existence being one of the bioindicator’s as a consideration in area management. The purpose of this research …
ABSTRACT Tesso Nilo National Park (TNNP) is a type of lowland forest found on the island of Sumatra. The national park is in poor condition now, because there has been a lot of damage due to land conversion. As a result of the damage, it also disrupted the distribution of Sumatran elephants in the national park. The purpose of this study was to identify the distribution of Sumatran elephan…
The Forest Reserve of Kenegerian Rumbio is a forest area that is also under threat of damage to its ecosystem. The existence of the trees in the forest is threatened by the plantation activities carried out by the community around the customary forest area. So that this does not continue, a tourist organization was formed by the datuk who holds customary law in Rumbio. There is an ecotouris…
ABSTRACT Various attempts have been made to accelerate seed growth of a plant using fertilizers or Growth Regulators Substances (GRS), one of is the seeds of Anthocephalus macrophyllus, which are fast-growing forest plants with good development prospects. Helping to accelerate the growth of Anthocephalus macrophyllus seeds by utilizing local fermented bamboo shoot microorganism, contain na…
ABSTRACT availability of the required fuel resources requires environmentally friendly renewable energy such as charcoal briquettes.the purpose of this study was to determine the effect of the best composition and composition of a mixture of red meranti sawdust and bagasse on the quality of charcoal briquettes.this study used completely randomized design with 3 treatments and 3 replication…
ABSTRACT Some of the environmental damage caused by mining activities has occurred, especially in the soil layers where the soil conditions have deteriorated, pollution by heavy metals which causes poisoning to plants, making it difficult for plants to grow on ex-mining land, the need for a post-mining land restoration strategy by selecting pioneer vegetation types and which are suitable fo…
ABSTRACT Tin mining activities in Siabu Village, Salo District, Kampar Regency have an environmental impact where soil pollution containing heavy metals will occur. One of the heavy metals that can potentially become toxic if it is in the soil with an excess concentration is Pb (lead). Therefore we need a method to overcome Pb pollution, namely by phytoremediation. The purpose of this stud…
ABSTRACT Natural orchid has not yet undergone crossbreeding that is still living naturally in attached forest habitats with humidity, light intensity, and soil conditions suitable for orchid growing needs. The purpose of this research was to see all types of orchids (Orchidaceae) and orchid habitat (Orchidaceae) in Imbo Putui Banned Indigenous Forest, Petapahan Village, Tapung District, Ka…