scholarly journals SEBARAN POPULASI Cobaea scandens CAV. SEBAGAI TUMBUHAN INVASIF DI KEBUN RAYA CIBODAS DAN SEKITARNYA

2019 ◽  
Vol 12 (1) ◽  
pp. 103-111
Author(s):  
Muhammad Efendi ◽  
Muhamad Muhaimin ◽  
Dadang Suherman
Keyword(s):  
Native Species ◽  
National Park ◽  
Invasive Plant ◽  
Population Distribution ◽  
Botanical Garden ◽  
Survey Method ◽  
Open Area ◽  
Purposive Sampling ◽  
Remnant Forest ◽  
Eradication Effort

AbstrakCobaea scandens Cav. (Polemoniaceae) merupakan tumbuhan riparian dari Meksiko yang telah lama ditanam di Kebun Raya Cibodas (KRC). Jenis tersebut dilaporkan sebagai tumbuhan invasif di beberapa negara. Sebagai tumbuhan invasif, jenis tersebut dapat mengancam ekosistem sekitar sehingga pertumbuhannya perlu dikendalikan. Meskipun demikian, informasi mengenai keberadaannya di KRC dan sekitarnya masih sedikit. Oleh karena itu, dalam makalah ini diuraikan mengenai sebaran populasi di kawasan KRC dan sekitarnya, dalam rangka mencari rekomendasi yang tepat dalam upaya pengendaliannya. Pengamatan dilakukan menggunakan metode survei dengan pengambilan sampel secara purposive sampling, terutama di kawasan riparian dan hutan restan KRC dan Taman Nasional Gunung Gede Pangrango (TNGGP). Hasilnya, terdapat sembilan titik populasi C. scandens terutama di Sungai Ciwalen yang juga melintasi TNGGP. Secara ekologi, C. scandens tumbuh pada habitat yang terbuka hingga sedikit naungan, daerah yang basah, di tepian sungai dan hutan restan pada ketinggian 1.255 hingga 1.425 mdpl. Cobaea scandens tumbuh memanjat pada pohon tegakan atau semak dan membentuk tutupan yang lebat di atas permukan tumbuhan bawah, sehingga dapat mengancam tumbuhan lokal di kawasan tersebut. Dari hasil yang diperoleh, rekomendasi yang disarankan adalah melakukan eradikasi secara mekanis, terutama sebelum musim buah terjadi,untuk menurunkan kelimpahan jenis dan mencegah proses regenerasinya dapat terjadi. Abstract Cobaea scandens Cav. (Polemoniaceae), anriparian species from Mexico, were cultivated in Cibodas Botanical Garden (CBG) for a long years ago. This species was reported as invasive species in several countries. As an invasive plant, this species can be threaten the surrounding ecosystem, so the growth need to be controlled. However, there is a few information of this species in CBG and its surrounding. Therefore, this paper described the population distribution of C. scandens at CBG and its surroundings, in order to find appropriate recommendation for the control efforts. Observation was conducted by survey method with purposive sampling, especially riparian and remnant forest areas. Based on our observations showed that C. scandens is fast growing on opens habitats to slighty shade, with high humidity. At least, there are nine population plot of C. scandens especially in the Ciwalen River, which also crosses in National Park of Mt. Gede Pangrango (TNGGP) areas. Ecologically, C. scandens grows in open area or slightly shaded, wet, in river banks and remnant forest at 1,255 to 1,425 masl. They can climb a tree or shrubs and forming a dense canopy over understorey, to threaten native species in thus area. From the results, a mechanical eradication effort need to be carried out, especially before fruiting season, to reduce their abundance and prevent the regeneration process from occured.

scholarly journals KEANEKARAGAMAN JENIS BAMBU DI KAWASAN KEBUN RAYA SAMBAS KECAMATAN SUBAH KABUPATEN SAMBAS PROVINSI KALIMANTAN BARAT

2020 ◽  
Vol 8 (1) ◽  
Author(s):  
Miranda Vinsensia ◽  
Ratna Herawatiningsih ◽  
Gusti Eva Tavita
Keyword(s):  
Secondary Forest ◽  
Botanical Garden ◽  
Survey Method ◽  
West Kalimantan ◽  
Purposive Sampling ◽  
A Value ◽  
Research Site ◽  
Open Forest

Bamboo is one of the results of a non-timber forest that grows in the secondary forest and open forest, and can even be found in Sambas Botanical garden area. The purpose of this research is to determine the value of the diversity of bamboo in the area of Sambas Botanical Garden, Subah subdistrict, Sambas Regency, West Kalimantan. This research was conducted in Sambas Botanical Garden,  starting from 09 July 2019 until 27 July 2019 then continued by analysis of data. The collection of bamboo data at the research site is conducted by the survey method and performed purposive sampling with a plot laying of research samples using a double tile, with the size of each tile example 10 m x 10 m. Results showed in the Sambas Botanical Garden 5 species of bamboo had been found consisting of 3 different genera namely Bambu Tali (Gigantochloa hasskarliana Kurz.), Bambu Lemang (Schizostachyum brachycladum Kurz.), Bambu Tamiang (Schizostachyum latifolium), Schizostachyum terminale Holtt. Bamboo, and Bambu Merambat (Dinochloa sp.). Important Values Index of Bambu Merambat, Bambu Tali, Bambu Lemang, Bambu Tamiang, and Bambu Schizostachyum terminale Holtt. are 77.3251%, 47.0843%; 31.6900%; 24.4437%; and 19.1943% respectively. Dominancy index of Bambu Merambat, Bambu Tali, Bambu Lemang, Bambu Tamiang, and Bambu Schizostachyum terminale Holtt. are 0.1647; 0.0680; 0.0254; 0.0076; and 0.0076 respectively. Index diversity species (H ') of Bambu Merambat, Bambu Tali, Bambu Lemang, Bambu Tamiang, and Bambu Schizostachyum terminale Holtt. are 0.1589; 0.1522; 0.1271; 0.0922; and 0.0922 respectively. All species of bamboo found in this research have a value of H ' ˂ 1 then all species of bamboo were categorized as low value of species diversity.Keywords: Bamboo, Diversity, Sambas Botanical Garden

scholarly journals KEANEKARAGAMAN KANTONG SEMAR (Nepenthes spp) PADA SEMAK BELUKAR DAN AREAL TERBUKA DI KEBUN RAYA SAMBAS KABUPATEN SAMBAS KALIMANTAN BARAT

2020 ◽  
Vol 8 (1) ◽  
Author(s):  
Rinny Yuniarty ◽  
Iswan Dewantara ◽  
Ratna Herawatiningsih
Keyword(s):  
Species Diversity ◽  
Dominant Species ◽  
Morphological Analysis ◽  
Botanical Garden ◽  
Survey Method ◽  
Open Area ◽  
Importance Value Index ◽  
Importance Value ◽  
A Value ◽  
High Diversity

Sambas Botanical Garden is a conservation forest area that has a high diversity of flora and one of them is the Kantong Semar (Nepenthes spp). Research aims; (1) conducting a study of the species diversity of Kantong Semar (Nepenthes spp) in shrubs and open areas in the Sambas Botanical Garden, (2) Study to changes in the composition of Kantong Semar species (Nepenthes spp) in Sambas Botanical Garden, (3) determining species composition and dominant of kantong semar (Nepenthes spp) that grows in shrubs and open areas. This research was conducted by a survey method in which the laying of observation plots by purposive sampling. The results of the study showed that the species diversity of Kantong Semar (Nepenthes spp) in the Sambas Botanical Garden was a low category with a value of 0.254 in shrubs and an open area of 0.01756. There was a change in the composition of the Kantong Semar species after two years of previous research. The change occurred where two new species of N. xneglecta and N.gracilis Korth that grown in Sambas Botanical Garden. Based on the results of morphological analysis, we found as many as 5 species of Kantong Semar consisting of N. mirabilis (Lour) Druce, N.gracilis Korth, N.ampullaria Jack, N. xneglecta, N. xhookeriana, which grow in shrubs, and N. mirabilis (Lour) in open area. The results of the analysis of the Importance Value Index (INP) that dominant species are N.ampullaria Jack with a value of 107.02 and N. xhookeriana 33.32 where both species of Kantong Semar grown in the shrub area.Keywords: Kantong semar (Nepenthes spp), shrubs and open area, Species diversity.

scholarly journals Assessing ecological uncertainty and simulation model sensitivity to evaluate an invasive plant species’ potential impacts to the landscape

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Catherine S. Jarnevich ◽  
Nicholas E. Young ◽  
Catherine Cullinane Thomas ◽  
Perry Grissom ◽  
Dana Backer ◽  
...  
Keyword(s):  
Simulation Model ◽  
Native Species ◽  
National Park ◽  
Invasive Plant ◽  
Conservation Management ◽  
Fire Behavior ◽  
Simulation Models ◽  
Parameter Uncertainties ◽  
Model Uncertainties ◽  
Model Initialization

Abstract Ecological forecasts of the extent and impacts of invasive species can inform conservation management decisions. Such forecasts are hampered by ecological uncertainties associated with non-analog conditions resulting from the introduction of an invader to an ecosystem. We developed a state-and-transition simulation model tied to a fire behavior model to simulate the spread of buffelgrass (Cenchrus ciliaris) in Saguaro National Park, AZ, USA over a 30-year period. The simulation models forecast the potential extent and impact of a buffelgrass invasion including size and frequency of fire events and displacement of saguaro cacti and other native species. Using simulation models allowed us to evaluate how model uncertainties affected forecasted landscape outcomes. We compared scenarios covering a range of parameter uncertainties including model initialization (landscape susceptibility to invasion) and expert-identified ecological uncertainties (buffelgrass patch infill rates and precipitation). Our simulations showed substantial differences in the amount of buffelgrass on the landscape and the size and frequency of fires for dry years with slow patch infill scenarios compared to wet years with fast patch infill scenarios. We identified uncertainty in buffelgrass patch infill rates as a key area for research to improve forecasts. Our approach could be used to investigate novel processes in other invaded systems.

scholarly journals Vegetation Analysis of Invasive Plants in Batang Gadis National Park Resort 7 Sopotinjak

2021 ◽  
Vol 5 (1) ◽  
pp. 1-9
Author(s):  
Putri Diana ◽  
Husnarika Febriani ◽  
Melfa Aisyah Hutasuhut
Keyword(s):  
Invasive Plants ◽  
Plant Diversity ◽  
National Park ◽  
Invasive Plant ◽  
Diversity Index ◽  
Vegetation Analysis ◽  
Ageratum Conyzoides ◽  
Purposive Sampling ◽  
Melastoma Malabathricum ◽  
Important Value Index

Introduction: The purpose of this study was to determine the type and diversity of invasive plants in Batang Gadis National Park (BGNP). Materials and Methods: This study was conducted in Batang Gadis National Park Resort 7 Sopotinjak, Mandailing Natal from February until April 2021. This study using the quadratic method by making transects and each transect is divided into 8 plots. Laying plots by purposive sampling as many as 8 plots. Results: BGNP Resort 7 had the invasive plants consisted of 12 families, 20 species and 1287 individuals. The highest species was found in Melastoma malabathricum L (230) and the highest important value index was found in Strobilanthes reptans (35.82%), while the species with the lowest significance index was Ageratum conyzoides (3.40%). The invasive plant diversity index was categorized as moderate (H'= 2.43).

Ex Situ Conservation of Rare Medicinal Plants in the Botanical Garden (Institute) of Academy of Sciences of Moldova

2013 ◽  
Vol 40 (1) ◽  
pp. 43-48
Author(s):  
Nina Ciocârlan
Keyword(s):  
Native Species ◽  
Ex Situ Conservation ◽  
Botanical Garden ◽  
Ex Situ ◽  
Aromatic Plants ◽  
Medicinal And Aromatic Plants ◽  
Field Collection ◽  
Ecological Flexibility ◽  
Cultivation Techniques ◽  
Academy Of Sciences

Abstract This work refers to the native species of genus Astragalus L. (A. dasyanthus, A. ponticus), Adonis L. (A. vernalis, A. wolgensis) and Digitalis L. (D. lanata, D. grandiflora). The plants are cultivated in the Botanical Garden of Moldova in the field collection of the medicinal and aromatic plants. Investigation includes propagation aspects, research into cultivation techniques and conservation measures. The biological particularities and the phenologic rhythm are also registered. The obtained data shows the ecological flexibility of species and the possibility of preserving them in culture.

The Biology of Invasive Alien Plants in Canada. 4. Heracleum mantegazzianum Sommier & Levier

2006 ◽  
Vol 86 (2) ◽  
pp. 569-589 ◽  
Author(s):  
Nicholas A. Page ◽  
Ronald E. Wall ◽  
Stephen J. Darbyshire ◽  
Gerald A. Mulligan
Keyword(s):  
British Columbia ◽  
Urban Areas ◽  
Native Species ◽  
Invasive Plant ◽  
Leaf Shape ◽  
Herbarium Specimens ◽  
Natural Ecosystems ◽  
Alien Plant ◽  
Invasive Alien Plant ◽  
Heracleum Mantegazzianum

Heracleum mantegazzianum (giant hogweed) is an invasive alien plant of management concern in southern Canada where it has escaped from horticulture and established and spread in natural, ruderal, and agricultural ecosystems. It poses a threat to natural ecosystems and human health, and is also a weed in agricultural and urban areas. It is a member of the Carrot family (Apiaceae) and is closely related to the native species Heracleum maximum Bartram (cow-parsnip). It is a monocarpic perennial, which generally flowers in its 3rd or 4th year. Large size, leaf shape, dark reddish pigments in patches on stems and petioles, and fruit characteristics readily distinguish H. mantegazzianum from other plants in Canada. It is increasingly common in riparian areas, floodplains, and forest edges in or near urban areas in southwestern British Columbia and southern Ontario. Based on herbarium specimens, H. mantegazzianum was first recorded in Ontario in 1949, British Columbia in 1964, Nova Scotia in 1980, Quebec in 1990, and New Brunswick in 2000. The development of dense stands of H. mantegazzianum can also reduce the richness of native plants. Contact with H. mantegazzianum can cause phytophotodermatitis, a serious skin inflammation caused by UV photo-activation of furanocoumarins present in the sap. Control methods include herbicide application, mechanical cutting, and animal grazing, but strategies to address seed dispersal and re-establishment from dormant seed must also be adopted. Widespread establishment in southern Canada suggests that eradication is unlikely. However, range expansion and rapid population growth can be prevented through strategic management including public education. Key words: Giant hogweed, Heracleum mantegazzianum, Apiaceae, HERMZ, invasive plant, weed biology, furanocoumarins

scholarly journals Distribution of Blue Bull (Boselaphus tragocamelus) and its Conservation Threats in Bardia National Park, Nepal

2020 ◽  
Vol 2 (1) ◽  
pp. 50-60
Author(s):  
Pramila Koirala ◽  
Bijaya Neupane ◽  
Thakur Silwal ◽  
Bijaya Dhami ◽  
Siddhartha Regmi ◽  
...  
Keyword(s):  
National Park ◽  
Habitat Management ◽  
Invasive Plant ◽  
Flash Flood ◽  
Local Level ◽  
Buffer Zone ◽  
Grass Species ◽  
Zone Field ◽  
Conservation Threats ◽  
And Control

Blue bull is Asia’s largest antelope, a species of least concern in IUCN Red data list of 2020. In Nepal, it is vulnerable and is often considered as a problem animal for its crop raiding habit. Although, its population is restricted in India and Nepal, there are insufficient studies conducted on the distribution and threats of the species at local level. This study aimed to assess the distribution of blue bull and its conservation threats in Bardia National Park and its buffer zone. Field survey was carried out to identify the potential area with the information provided by park staff and buffer zone people and by the transect method in the selected habitat to determine the distribution of blue bull population. Additionally, six focus group discussions (1 in each of thefive sites and 1 with park staff) and a half-day workshop (involving 25 participants representing each site and park office) were organized to assess the existing threats to the species. Data were analyzed descriptively using MS Excel, while the distribution map was prepared using Arc GIS. Also, 8 major identified threats were ranked using relative threat ranking procedure and classified into four severity classes. We found that the population of blue bull was dispersed from core area of Bardia National Park towards the buffer zone area. Open grazing, invasive species, predation by tiger and flash flood were the major threats to the blue bull as perceived by the local people. Habitat management activities including control of grazing, removal of invasive plant species, plantation of palatable grass species, increase in other prey species of tiger and control of flood in blue bull’s habitats are recommended to protect the species and thus sustain their threatened population.

scholarly journals Penyebaran Jenis Jirak (Symplocos fasciculata Zoll.) di Resort Kawah Ratu Taman Nasional Gunung Halimun Salak, Jawa Barat

2021 ◽  
Vol 12 (1) ◽  
pp. 23-29
Author(s):  
Iwan Hilwan ◽  
Aldi Perdana Wiraatmadja
Keyword(s):  
Data Collection ◽  
Distribution Pattern ◽  
Native Species ◽  
National Park ◽  
Plant Parts

Jirak (Symplocos fasciculata Zoll.) is one of the native species in the Gunung Halimun Salak National Park, especially in the Kawah Ratu resort. This plant can be used as a natural coloring agent, in addition to plant parts such as leaves can also be eaten and used as medicine. Because of the benefits of jirak, this plant is considered important to be cultivated. This study aims to analyze the density and distribution pattern of jirak (Symplocos fasciculata Zoll.) at Kawah Ratu Resort, Gunung Halimun Salak National Park. Data collection was carried out in two blocks located at the Kawah Ratu Resort of Mount Halimun Salak National Park, namely the Leles block and the Pamengpeuk block using the single plot method. The results showed that jirak distribution pattern in the two observation blocks was grouped. Keywords: Distribution, Jirak, Kawah Ratu Resort, Symplocos fasciculata Zoll., Gunung Halimun Salak National Park

scholarly journals DIPTEROCARPACEAE INVENTORY AT KETAMBE RESEARCH STATION, GUNUNG LEUSER NATIONAL PARK

2016 ◽  
Vol 7 (3) ◽  
pp. S83-S85
Author(s):  
Essy Harnelly ◽  
Iqbar . ◽  
Fauziah . ◽  
Agus Sara ◽  
Nir Fathiya ◽  
...  
Keyword(s):  
National Park ◽  
Research Station ◽  
Purposive Sampling ◽  
Number Of Species ◽  
Sampling Plot

This research was about Dipterocarpaceae inventory at Ketambe Research Station, Gunung Leuser National Park. The research was done on July 2015. Determination of sampling plot was using purposive sampling. The parameter observed was species as well as number of species. The result showed that there were 5 species of Dipterocarpaceae found in the sampling plot. All the species found were belongs to tribe of Shoreae namely; Shorea johorensis, Shorea parvifolia, Hopea dryobalanoides, Shorea lepidota, and Parashorea lucida.Key words: Dipterocarpaceae, inventory, Gunung Leuser National Park

scholarly journals Analisis Pertumbuhan Tanaman Restorasi di Taman Nasional Matalawa

2020 ◽  
Vol 11 (3) ◽  
pp. 170-176
Author(s):  
Suyogia Nur Azis ◽  
Nurheni Wijayanto ◽  
Arum Sekar Wulandari
Keyword(s):  
Environmental Factors ◽  
Correlation Coefficient ◽  
Forest Restoration ◽  
National Park ◽  
Pearson Correlation ◽  
Ecosystem Restoration ◽  
Strong Relationship ◽  
Pearson Correlation Coefficient ◽  
Open Area ◽  
Plant Restoration

Ecosystem restoration in Matalawa National Park is an effort to restore the condition of the forest so as to achieve the function of forest to maintain biodiversity. This research aims to analyze the biophysical influence against growth of plant restoration. The research was conducted in Manurara, Taman Mas, Tangairi and Waimanu. The object of the research consists of adinu plant (Melochia umbellata), cimung plant (Timonius timon), kihi plant (Canarium acutifolium), langaha plant (Planchonia valida) and mara plant (Tetrameles nudiflora). The experiment was analyzed by pearson correlation coefficient (r) and t test. The results showed biophysical environmental factors have a very strong relationship with the growth of restoration plants in Matalawa National Park is phosphorus, CEC, pH and altitude of site. Besides, the growth of adinu plant is higher than other plants in open area conditions. Keywords: biophysical, characteristics of plant species, forest restoration, national park

Sign in / Sign up

Export Citation Format

Share Document