scholarly journals Inventory of Dryobalanops aromatica Gaertn. in Lae Kombih Forest Park Area, Subulussalam

2022 ◽  
Vol 951 (1) ◽  
pp. 012089
Author(s):  
A M Muslih ◽  
Y H B Manalu ◽  
T Arlita ◽  
R Moulana ◽  
A Anhar

Abstract Dryobalanops aromatica Gaertn. is a plant that grows in the tropical rain forests of western Indonesia which is categorized as a valuable timber tree. Dryobalanops aromatica Gaertn is a plant that is categorized as a valuable timber tree. Dryobalanops aromatica Gaertn also known as the camphor tree, lime or Sumatran camphor, this tree can grow to a height of 60 m with an average trunk diameter of 9 m. Camphor tree is a plant species belonging to the Dipterocarpaceae family which has several advantages because its tree trunk can produce a variety of high economic value commodities such as camphor, balsamic acid, resin, essential oil, beams, poles, roof construction and boards in residential buildings. The method used for the inventory of rare plants is done by using the method of vegetation analysis, the parameters in this study were the type, number, diameter and height of the Dryobalanops aromatica Gaertn. tree. Vegetation analysis was carried out by plotting 13 plots, each sample plot measuring 20 m x 20 m. The sample used is a total sample using a random sampling system method, the sampling chossen by exploring the area of the Tahura Lae Kombih area where the Dryobalanops aromatica Gaertn is located. The results shows that the plant species were found starting from the seedling, sapling, pole and tree levels. The most dominant species in this area is Dryobalanops aromatica Gaertn that has Important Value Indeks of seedling 163%, Sapling 270%, Pole 283% and Tree 216%.

2018 ◽  
Vol 9 (3) ◽  
pp. 167-174
Author(s):  
Dian Ariyanti ◽  
Nurheni Wijayanto ◽  
Iwan Hilwan

Vegetation is one factor that can decrease carbon accumulation in the atmosphere. The diversity of plant species in each land use has different abilities to absorb carbon in the atmosphere. This research was conducted in Pesisir Barat Regency of Lampung Province on 4 (four) types of land use, namely: (1) natural forest in Balai Kencana Resort, Bukit Barisan National Park (2) oil palm plantation in Pekon Marang, (3) coffee plantation in Pekon Suka Mulya, and (4) agroforestry of repong damar in Pekon Pahmungan. This reserach aims to analyze the diversity of plant species and to calculate the potential of plant carbon stock and carbon sequestration (above ground biomass) using alometric equations in various types of land use in Pesisir Barat Regency. The research method was vegetation analysis to learn about the diversity of plant species and calculation of carbon stock using alometric equations. The results showed that the composition of plant species in Bukit Barisan NP found 83 plant species belonging to 37 families, in the palm plantation found 9 plant species belonging to 8 families, in the coffee garden found 17 plant species belonging to 11 families, and in agroforestry of repong damar found 73 plant species belonging to 33 families. The total carbon stock potential was 376.16 ton/ha and carbon sequestrated. 1 257.20 ton/ha with the highest carbon uptake available at repong damar agroforestry site of 901.11 ton/ha.Keywords: aboveground biomass, carbon, diversity, pesisir barat regency


2021 ◽  
Vol 21 (1) ◽  
Author(s):  
HILMINA ITAWAMERNI ◽  
SAIDA RASNOVI ◽  
ZUMAIDAR ZUMAIDAR

Pinus Jantho Forest (PJF) Nature Reserve has unique characteristics and distinctive ecosystem that plays an important role in the preservation of germplasm and the protection of natural resources. The sustainability of the PJF Nature Reserve is strongly determined by vegetation of its constituents. Therefore, an effort is needed to help its management properly, one of which is by knowing the diversity of plants that make up the community in PJF Nature Reserve. The purpose of this research is to analyze the composition and diversity of plant species in PJF Nature Reserve. Data collection and sampling were done using multiple square method. The plots were laid out by systematic sampling. PJF Nature Reserve composed of 111 species from 46 family. The seedling and understorey have the highest number individuals (1028 in total). Then there are 240 individuals at sapling level, 108 individuals at pole, and 72 individuals for tree.  The Euphorbiaceae family has the largest number of species (11 species). The highest Important Value Index (IVI) for seedlings and understorey, sapling and pole, and tree respectively were Chloranthus elatior (11.09%), Piper aduncum (21.90% and 19.32%), and Pinus merkusii (25.52%). The Diversity Index indicates a high level of plant species diversity (3.25-3.63).


2021 ◽  
Vol 16 (4) ◽  
pp. 290-302
Author(s):  
Dmytrash-Vatseba I.I. ◽  
Shumska N.V. ◽  
Gniezdilova V.I.

The paper contains a synopsis of rare component of flora of Halych National Nature Park forest ecosystems, as well as evaluation of distribution trends of rare vascular plant species and the state of their populations. Being established in 2004, the Park is located in Halych district of Ivano-Frankivsk region on the area of 14684.8 ha. Forests occupy the biggest part of its territory (81.1 %), among which predominate poor and mixed oak (Querceta roboris), beech (Fageta sylvaticae) and hornbeam (Carpineta betuli) woods. Inventory check of plant cover of the forest ecosystems has been done between 2008-2019 years. According to the results of our study, within the forests and forest margins grow 303 vascular plant species, out of which 63 are rare (20.8 %). The list of rare species is composed of species included to the Red Data Book of Ukraine, of species protected by international conventions and directives and complemented by species that are threatened within the study region. Species were considered as threatened if the number of localities and / or population size were small. Regionally rare species were selected based on the analyzes of results of our field survey and materials of herbarium collections. We have found that the third part of rare species (33.3 %) has high coenotic amplitude and a bit less species (26.2 %) favor forest margins. Rare species having low coenotic amplitude are confined to beech woods (19.1 %). Rare species are considerably distinguished by occurrence. Species with scarce occurrence predominate. For instance, 61 % of the species were found in 1-5 localities, of which 25 species occur only in one or two sites. Share of species growing in 6-10 localities within the Park is equal to 26.6 %. Only a small percentage (6.2 %) of rare species comprises species with relatively frequent occurrence (11–20 localities as well as more than 20 cites). Rare species of the Park forests with the highest occurrence rate are Lilium martagon and some members of Orchidaceae family. Predominantly, rare species have populations of small size, for instance, 81.2 % of the species were found in quantities of a few plants – several hundreds of individuals. The most threatened are species general number of which at the Park area is several plants (15.6 %). These species are as follows: Circaea alpina, Atropa bella-donna, Campanula latifolia, Phyteuma spicatum, Epipactis atrorubens etc. The biggest groups comprise species with general number of few tens and several hundreds of individuals (totally 65.6 %). Species with big populations represent far smaller part of forest rare species. Nine rare species grow in the number of several thousands of plants within the Park and three species (Allium ursinum, Galanthus nivalis and Leucojum vernum) – over a million. It has been established that 52.4 % of rare species populations taken together remain in critically bad state, 28.6 % of the populations – in bad state, 14.3 % – in satisfactory state. Only 4.8 % of populations are in good state. Our results show that about 95 % of species are in need of protection and continuous monitoring of population number. Furthermore, 51 species of rare plants,having low number and bad state of populations, require to work out and implement management plans for their restoration. Key words: rare species, vascular plants, population state, species occurrence, population number


Author(s):  
Nyoman Wijana ◽  
I Made Oka Riawan ◽  
Sanusi Mulyadiharja

Forests are a source of foreign exchange that has been exploited on a large scale for timber. This exploitation causes a rapid reduction in forest area. Until now, the destruction of the forest environment is still happening, both by illegal logging and illegal mining. This study aims to determine the number of rare plant species in Alas Kedaton Tourism Forest, Tabanan, Bali, Indonesia; and the factors causing the rarity of these plant species. The population in this research is the plant species in Alas Kedaton Tourism Forest. Meanwhile, the social population is all people in the Alas Kedaton Tourism Forest area. The sampling method for plant species is the quadratic method was used to investigate the diversity and the number of rare plants. While for the social sampling was conducted by interviewing with purposive sampling method to the local community around the Alas Kedaton areas. Determination of endangered plant species was conducted by studying of available documents, in-depth interviewing, and seeking information from various existent sources. The collected data analyzed descriptively. The results of this study indicated there are 48 species of plants with 26 families, which are generally found in Alas Kedaton Tourism Forest. Of this number, 42 (87.5%) plant species are included in the rare category; (2) of the 42 species of rare plants in the Alas Kedaton Tourism Forest, there are 8 (19.04%) plant species that are included in the National rare category, 20 (47.62%) rare plant species in Bali, 10 ( 23.81%) rare plant species in Tabanan Regency, and 4 (9.52%) species included in the rare category at the District level (especially Marga District); and (3) factors causing the scarcity of plant species in Alas Kedaton Tourism Forest are (a) past environmental degradation, (b) reproductive problems of rare plants, (c) human intervention, (4) disturbance by animals, especially long tailed monkeys (Macaca fascicularis) and bats (Pteropus vampyrus).


2021 ◽  
Vol 42 (1) ◽  
pp. 99-106
Author(s):  
H.I. Okoh ◽  
H.O. Mogaji ◽  
M.A. Adekoya ◽  
U.C. Morikwe ◽  
A.O. Nwana ◽  
...  

In Nigeria, there is paucity of information on plants used to repel or kill mosquitoes despite the abundant plant species in the country’s tropical rain forests. Majority of available data are on the traditional use of plants for curative purposes. This study documents some plant species used for insecticidal or repellent purposes against mosquitoes in Nigeria. An ethno-botanical survey was carried out in four geo-political zones in the country using structured questionnaires and focus group discussion. A total of six plant species belonging to five families were reported in Delta state with Conyza Canadensis (Compositae) being the most utilized (50%) and Aspilia africana (Compositae), the least mentioned (5.60%). In Enugu state, a total of nine plant species belonging to eight families were mentioned by respondents with Aframomum melegueta the most utilised (26.09%) while Agava sisalana and Dracaena manii belonging to the families Agavaceae and Dracaenaceae were the least mentioned (1.09% each). A total of six plant species belonging to five families were reported in Kaduna State with Lantana camara belonging to the family Verbenaceae accounting for 58.82% of the utilised plant species for mosquito control while Ipomea asarifolia, Terminalia catappa and Citrullus vulgaris belonging to the families Convolvulaceae, Combretaceae and Cucurbitaceae respectively were the least utilized (5.88% each). Lagos State recorded the highest number of plant species (twenty five) belonging to eighteen families. Spondia mombin belonging to the family Lilaceae was the most mentioned (7.33%) while the least mentioned (0.37% each) were Magnifera indica, Baphia nitida and Pennisetum purpeum belongingto the families Anacardiaceae, Fabaceae and Poaceae respectively. There is a need for further investigation on these plant species as they may constitute potential sources of cidal and repellent compounds against a wide range of insect pests. Keywords: Ethno-botanical survey, insecticidal, repellence, mosquitoes, plant species


2017 ◽  
Vol 5 (1) ◽  
pp. 92
Author(s):  
Dwi Rahayu Damayanti ◽  
Afif Bintoro ◽  
Trio Santoso

National Park Management Unit (SPTN) Region III Kuala Penet Resort Margahayu is part ofthe National Park Way Kambas (TNWK). SPTN Region III Kuala Penet as the buffer areaTNWK are maintained to keep a diversity of plants is very high in the composition of thestructure and composition of a certain type. This study aims to determine the speciescomposition, stand structure and condition of natural regeneration as a performancesnapshot succession of stands in Region III SPTN Kuala Penet. The study was conducted from August to September 2015 with the activities of the vegetation analysis using samplingmethods terraced lines as a way to obtain primary data, such as: the species stands, thenumber of species, stem diameter and a height of trees. The results showed that there are 32species in the region Region III SPTN Kuala Penet Resort Margahayu. Importance ValueIndex (IVI), shows that there are plant species that is most dominant, berasan, kopen, sempu,sonokeling and tiga urat, whereas the type belimbingan, bungur, keteja, keruing mahoni,tutup, and waru have low mastery level. Horizontal stand structure indicate that in generalstands dominated by plants with a diameter <10 cm and adiameter decreases to stand 10-<20cm to>60 cm. While the vertical stand structure indicate that the stratum C stands weredominated by as many as 28 species, followed by stratum D (22) types, stratum E (18) types,and the stratum B one types. The condition of Natural regeneration in SPTN Region IIIKuala Penet Resort Margahayu showed that the condition of the forest was normal becausethe density was dominated by the seedling phase, followed by phases of saplings and poleswith the curves shape resembles the letter "J" reversed.Keywords: Assisted Natural Regeneration, Composition Type, SPTN, Stand Structure,TNWK


2018 ◽  
Vol 19 (1) ◽  
pp. 23
Author(s):  
I Nyoman Wijana ◽  
Gede Astra Wesnawa

The purpose of this research was to know the species of rare plants existing in forest tourism Monkey Forest, Ubud, Gianyar, Bali and their mapping distributions in the original nature. This is an explorative research. The populations of this research were all species of plants in Monkey Forest. This research samples were the plant species covered by the squares. The sampling method used was quadratic method with systematic sampling technique. The mapping of rare plant species distribution used simple mapping method which was simple polygon compass and GPS. Identification of rare plant species was conducted through interviews, questionnaires, observations, and document studies. The results showed that the distribution of rare plant species in Monkey Forest, Ubud, Gianyar, Bali was in groups. The total number of rare plant species their nature were 33 species with the details that there were as many as six species of plants belonging to the National Rare category, 18 species of Bali Rare category, eight species of Regency Rare category, and one species of Rare Sub-District category.


Author(s):  
Frederick Peabody

A literature survey has been completed in order to determine plant species that have been considered rare, and also plant species that are potentially rare. Dr. Stan Welsh of the Botany and Range Science Department of Brigham Young University (Provo, Utah) was contacted personally during the field season. His experience in the region has provided a list of additional species that are considered rare for the state of Utah and occur on specific sites near the National Park (Table 1). It is possible that these additional rare species may occur within the boundaries of the park.


2021 ◽  
Vol 4 ◽  
pp. 37-46
Author(s):  
Alla Gnatiuk ◽  
Rak Oleksandr ◽  
Viktoriia Gritsenko ◽  
Mykola Gaponenko

Increasing anthropogenic pressure, global climate change, and the lack of large introduction centers in the Chernihiv region makes it important to preserve rare species of flora ex situ outside this administrative region. The article presents the results of the study of taxonomic composition and evaluation of the success of the introduction of rare plant species of Chernihiv region in the M. M. Gryshko National Botanical Garden of National Academy of Sciences of Ukraine. The study of rare plant species and the development of methods for their effective reproduction was initiated in the NBG in 1970 in a separate section “Rare plants of the flora of Ukraine.” It is established that the collection grows and protects 57 phythorarites of Chernihiv region, of which 29 species are listed in the Red Book of Ukraine (III edition), and 28 species – in the “List of regionally rare plant species of Chernihiv region”. Most plants successfully recover ex situ with moderate care or without additional human intervention. The biomorphological spectrum of introduced plants is dominated by cryptophytes (50.88 %) and hemicryptophytes (42.11 %), the shares of phanerophytes, hamephytes and therophytes are insignificant. 17 species of phythorarites formed stable homeostatic populations. Of these: 5 species are listed in the Red Book of Ukraine (Allium ursinum, Crocus reticulatus, Epipactis helleborine, Galanthus nivalis, Pulsatilla pratensis) and 12 species – in the “List of regionally rare plant species of Chernihiv region” (Aster amellus, Corydalis intermedia, C. marschal, Daphne mesereum, Equisetum hyemale, Iris hungarica, Phlomis tuberosa, Primula veris, Pteridium aquilinum, Scilla bifolia, S. sibirica, Vinca minor). Thus, the cultivation of almost a third of the phythorarites of Chernihiv region in the M. M. Gryshko National Botanical Garden testifies to the effectiveness of their preservation ex situ.


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