scholarly journals Dynamics of Abies spectabilis in Relation to Climate Change at the Treeline Ecotone in Langtang National Park

2012 ◽  
Vol 12 ◽  
pp. 220-229 ◽  
Author(s):  
Narayan P Gaire ◽  
Yub R Dhakal ◽  
Harish C Lekhak ◽  
Dinesh R Bhuju ◽  
Santosh K Shah
Keyword(s):  
National Park ◽  
Age Distribution ◽  
Silver Fir ◽  
Tree Line ◽  
Climatic Response ◽  
Treeline Ecotone ◽  
Central Nepal ◽  
Tree Ring Data ◽  
Abies Spectabilis ◽  
High Level

This paper is aimed to study the tree line dynamics of Himalayan silver fir (Abies spectabilis D. Don) based on its tree-ring data and age stand distribution at Langtang National Park, Central Nepal. Climatic response on radial growth, recruitment of A. spectabilis and its age distribution are carried out. The average tree density of the species in the study area (total 48 plots of 20 m x 20 m) was 236 no/ha while that for sapling and seedling in the study area was 255 and 350 no/ha, respectively. The stand character and age distribution of the species showed a high level of recruitment in the recent decades, with decreased in average age along with increased altitude. Tree-growth climate relationship showed negative response with temperature of March-May. Upward advancement of tree line is expected in the coming recent decades though not necessarily uniform through the line.DOI: http://dx.doi.org/10.3126/njst.v12i0.6506 Nepal Journal of Science and Technology 12 (2011) 220-229 

scholarly journals Vegetation Dynamics in Treeline Ecotone of Langtang National Park, Central Nepal

1970 ◽  
Vol 11 ◽  
pp. 107-114 ◽  
Author(s):  
NP Gaire ◽  
YR Dhakal ◽  
HC Lekhak ◽  
DR Bhuju ◽  
SK Shah
Keyword(s):  
Tree Species ◽  
National Park ◽  
Basal Area ◽  
Anthropogenic Pressure ◽  
Climatic Warming ◽  
Seedling Density ◽  
Treeline Ecotone ◽  
Central Nepal ◽  
Abies Spectabilis ◽  
The Impact

A study was carried out at the treeline ecotone (3,730m-3,950m asl) of Langtang National Park in central Nepal with an aim to document the impact of climatic warming on ecological chracteristics. Three sampling sites were selected at Chaurikharka and Lauribina, where no serious anthropogenic pressure was noticed. The nearest meteorological station has records of climatic warming in recent years. Six tree species and three shrub species belonging to seven families were enumerated from the study plots. The average basal area for tree species was found to be 20.56 m2 per ha while average tree density was found to be 734 trees per ha with Abies spectabilis as dominant species. The mean DBH (diameter at breast height) of tree species was found to be 15.8 cm (max. 115.5cm). Density of dead trees accounted 2 no. per ha with basal area 0.195m2 per ha. Average sapling and seedling density of tree species per ha was observed to be 1,590 and 831 respectively. The average sapling and seedling density of A. spectabilis was 255 and 350 per ha respectively. Similarly, average shrub density (per ha) for the area was found to be 9,609 no/ha. The stand character showed that there was high level of recruitment of A. spectabilis in the recent years. The presence of sapling and seedling of A. spectabilis at higher altitude showing linear relationship with canopy coverage indicated prospects for a gradual and upward shift of A. spectabilis with increased temperature. Key words: Abies spectabilis; regeneration; climate change; DBH DOI: 10.3126/njst.v11i0.4132Nepal Journal of Science and Technology 11 (2010) 107-114

scholarly journals Treeline dynamics with climate change at Central Nepal Himalaya

2013 ◽  
Vol 9 (5) ◽  
pp. 5941-5976 ◽  
Author(s):  
N. P. Gaire ◽  
M. Koirala ◽  
D. R. Bhuju ◽  
H. P. Borgaonkar
Keyword(s):  
Climate Change ◽  
Plant Density ◽  
Elevation Gradient ◽  
Age Distribution ◽  
Recruitment Rate ◽  
Conservation Area ◽  
Nepal Himalaya ◽  
The Past ◽  
Central Nepal ◽  
Tree Ring Data

Abstract. Global climate change has multidimensional impacts with several biological fingerprints, and treeline shifting in tandem with climate change is a widely observed phenomenon in various parts of the world. In Nepal several impacts of climate change on physical environments have been observed. However, studies on the biological impacts are lacking. This dendrochronological study was carried out at the treeline ecotone (3750–4003 m a.s.l.) in the Kalchuman Lake (Kal Tal) area of the Manaslu Conservation Area in central Nepal Himalaya with the aim to study the dynamic impact of climate change at the treeline. The study provides an insight into regeneration and treeline dynamics over the past 200 yr. Two belt transect plots (size: 20 m wide, >250 m long) were laid covering forest line, treeline as well as tree species Abies spectabilis and Betula utilis was done and their tree-cores were collected. Stand character and age distribution revealed an occurrence of more matured B. utilis (max. age 198 yr old) compared to A. spectabilis (max. age 160 yr). A. spectabilis contained an overwhelmingly high population (89%) of younger plants (<50 yr) indicating its high recruitment rate. Population age structure along an elevation gradient revealed an upward shifting of A. spectabilis at the rate of 2.61 m yr−1 since 1850 AD. The upper distribution limit of B. utilis was found stagnant in the past few decades. An increment in plant density as well as upward shifting in the studied treeline ecotones was observed. Thus, two species presented species-specific responses to climate change and much wider differences anticipated in their population status as climate continues to cha spectabilis correlated negatively with the mean monthly temperature of May–August of the current year and with September of the previous year. The regeneration of A. spectabilis, on the other hand, was positively related with May–August precipitation and January–April temperature of the current year. The reconstructed average summer temperature (May–August) using tree ring data revealed alternate period of cool and warm period with warming in the 2nd half of the 20th century. Further palynological and geochronological studies of sediments of the Kalchuman Lake would advance our understanding of past climatic trends and dynamics of the associated treeline and vegetation in the area.

(A review) Vegetation and biotopes of the National Park “Narochansky” with the Map of terrestrial vegetation (S. 1 : 60 000) and the Map of biotopes (S. 1 : 60 000)

2019 ◽  
pp. 68-72
Author(s):  
E. A. Volkova
Keyword(s):  
National Park ◽  
Forest Cover ◽  
Practical Importance ◽  
Vegetation Mapping ◽  
Small Scale ◽  
Terrestrial Vegetation ◽  
Economic Activities ◽  
National Academy Of Sciences ◽  
Experimental Botany ◽  
High Level

A monograph “Vegetation and biotopes of the “Narochansky” National Park was published in Minsk, Belarus in 2017, edited by A. V. Pugachevsky (Grummo et al., 2017). It includes the Map of terrestrial vegetation (S. 1 : 60 000) and the Map of biotopes (S. 1 : 60 000). Some small-scale maps such as the Map of changes in forest cover of the “Narochansky” National Park for the period 1985–2016, the Map of forest loss in the “Narochansky” National Park for the period 1985–2016 and a series of inventory and analytical maps on the basin of the Naroch Lake are given. This monograph can be considered as a small regional Atlas with detailed explanatory texts to the maps. It presents the experience on vegetation mapping accumulated in the Laboratory of Geobotany and Vegetation mapping of the Institute of Experimental Botany of the National Academy of Sciences of Belarus. Despite some critical comments, mainly concerning the biotope map, this publication of Belarusian geobotanists deserves an approval. They received the full answers to the questions posed: “What do we protect?” and “What is a current state of the vegetation of the National Park and the main trends of its dynamics? Cartographic design is made at a high level; the maps have both scientific and practical importance in the planning of environmental and economic activities.

scholarly journals How to Use Linear Programming for Information System Performances Optimization

2014 ◽  
Vol 5 (3) ◽  
pp. 49-66
Author(s):  
Marko Hell ◽  
Tea Dragičević
Keyword(s):  
Linear Programming ◽  
National Park ◽  
Dynamic Environment ◽  
Optimal Performance ◽  
Quantitative Methodology ◽  
Strategic Objectives ◽  
Strategic Objective ◽  
Business Goals ◽  
High Level

Abstract Background: Organisations nowadays operate in a very dynamic environment, and therefore, their ability of continuously adjusting the strategic plan to the new conditions is a must for achieving their strategic objectives. BSC is a well-known methodology for measuring performances enabling organizations to learn how well they are doing. In this paper, “BSC for IS” will be proposed in order to measure the IS impact on the achievement of organizations’ business goals. Objectives: The objective of this paper is to present the original procedure which is used to enhance the BSC methodology in planning the optimal targets of IS performances value in order to maximize the organization's effectiveness. Methods/Approach: The method used in this paper is the quantitative methodology - linear programming. In the case study, linear programming is used for optimizing organization’s strategic performance. Results: Results are shown on the example of a case study national park. An optimal performance value for the strategic objective has been calculated, as well as an optimal performance value for each DO (derived objective). Results are calculated in Excel, using Solver Add-in. Conclusions: The presentation of methodology through the case study of a national park shows that this methodology, though it requires a high level of formalisation, provides a very transparent performance calculation.

scholarly journals First photographic evidence of Fishing Cat Prionailurus viverrinus Bennett, 1833 and Clouded Leopard Neofelis nebulosa Griffith, 1821 (Carnivora: Felidae) in Parsa National Park, Nepal

2019 ◽  
Vol 11 (4) ◽  
pp. 13497-13501 ◽  
Author(s):  
Shashank Poudel ◽  
Babu Ram Lamichhane ◽  
Santosh Bhattarai ◽  
Dipendra Adhikari ◽  
Chiranjibi Prasad Pokheral ◽  
...  
Keyword(s):  
National Park ◽  
Conservation Status ◽  
Panthera Tigris ◽  
Clouded Leopard ◽  
Central Nepal ◽  
Photographic Evidence ◽  
Neofelis Nebulosa ◽  
Southern Central ◽  
Distribution And Ecology ◽  
Wild Cats

Twelve cat species were recorded in Nepal including the largest, Tiger Panthera tigris, and the smallest, Rusty-spotted Cat Prionailurus rubiginosus.  There is more research on the Panthera species than on small wild cats; consequently, the conservation status, distribution, and ecology of small cat species are poorly known.  In this article, we report on the first photographic evidence of Clouded Leopard Neofelis nebulosa and Fishing Cat Prionailurus viverrinus in Parsa National Park in southern central Nepal during a camera trap survey targeted at the tiger between 2014 and 2016.  There were only single detections of each species; this does not give enough information to establish distribution or conservation status of either of the species in Parsa National Park.  Further targeted surveys are needed to establish the significance of this protected area for the conservation of these two species.

scholarly journals Composition of Vegetation Types and Structures in Gunung Ciremai National Park Forest

2021 ◽  
Vol 748 (1) ◽  
pp. 012009
Author(s):  
Agusyadi Ismail ◽  
Yayan Hendrayana ◽  
Dadan Ramadani ◽  
Sri Umiyati
Keyword(s):  
Plant Species ◽  
Vegetation Structure ◽  
National Park ◽  
Stand Structure ◽  
Complex Structure ◽  
Forest Vegetation ◽  
Intensity Data ◽  
Vegetation Types ◽  
Growth Phases ◽  
High Level

Abstract Mount Ciremai National Park forest that area had been encroached. Because of that condition, stand structure especially the species composition and vegetation structure need to be researched. The aim of this research was to identify plant species and analyze forest vegetation structure. This research was conducted between March–April 2018 in the 15.500 ha area with 0.02% sampling intensity. Data was collected using grid line method that consisted of 34 sample plots with the 10 m distance between the plots and 20 m between the lines. The numbers of identified plant species at the research location were 43 species, classified by 10 families and 24 genera. Cinnamomum sintoc has a high level of dominance species. The forest vegetation was consisting by the different growth phases. The tree phase has the highest density of 3672 species/ha, while the seedling phase was lowest density of 1060 species/ha. The forest crown stratification were consisting of A, B, C, D and E stratum. The highest number of plants were from C strata for 4651 trees and the least from A strata with 25 trees with the highest tree was 42 m. Could be concluded that the composition of Mount Ciremai National Park forest have so many number of species and complex structure vegetation forest.

scholarly journals Short Communication: The higher laccase enzyme producer, Cerrena sp. BMd.TA.1, isolated from Gunung Rinjani National Park, West Nusa Tenggara, Indonesia

2020 ◽  
Vol 21 (8) ◽  
Author(s):  
SARAH ASIH FAULINA ◽  
ASEP HIDAYAT ◽  
SYAMSUL FALAH ◽  
Apri Heri Iswanto
Keyword(s):  
Manganese Peroxidase ◽  
National Park ◽  
Short Communication ◽  
Industrial Effluent ◽  
Fungal Enzymes ◽  
Fungal Laccase ◽  
Synthetic Dye ◽  
Environmental Friendly ◽  
Laccase Enzyme ◽  
High Level

Abstract. Faulina SA, Irfani M, Falah S, Hidayat A, Iswanto AH. 2020. Short Communication: The higher laccase enzyme producer, Cerrena sp. BMd. TA.1, isolated from Gunung Rinjani National Park, West Nusa Tenggara, Indonesia. Biodiversitas 21: 3837-3842. Lies in the Wallace line, Gunung Rinjani National Park (GRNP) offers unique biodiversity, fungi included. Fungal enzymes have been unceasingly searched and studied for various applications, particularly for biodegradation. Fungal laccase enzyme showed prospective environmental-friendly approach in treating industrial effluent, remazol brilliant blue R (RBBR) which is used as a synthetic dye. This study aimed to explore the laccase-producing fungi from the GNRP, as well as investigate their ability in decolorizing RBBR. The study discovered that the most prospective fungi isolate, molecularly identified as Cerrena sp. BMd.TA.1, produced a high level of laccase (> 2300 U mL-1) and manganese peroxidase (MnP, 300 U mL-1). In the application of this isolate, the laccase showed as predominant enzyme in RBBR decolorization process and the RBBR could be decolorized more than 80% at 24 h reaction. It suggested that Cerrena sp BMd.TA.1 isolate is highly potential as laccase enzyme producer and may be considered for further investigations in its applications for biodegradation, especially of dyes effluent.

scholarly journals COMMUNITY STRUCTURE ECHINODERMS (ASTEROIDEA, OPHIUROIDEA, ECHINOIDEA AND HOLOTHUROIDEA) IN THE MARINE NATIONAL PARK EAST SULAWESI WAKATOBI

2016 ◽  
Vol 8 (1) ◽  
pp. 357-366 ◽  
Author(s):  
Eddy Yusron
Keyword(s):  
Species Richness ◽  
Community Structure ◽  
National Parks ◽  
National Park ◽  
Diversity Index ◽  
Dead Coral ◽  
Evenness Index ◽  
Different Types ◽  
High Level ◽  
Richness Index

A study on Echinoderms community structure in marine national parks of Wakatobi, Southeast Sulawesi was conducted in six locations, i.e., Waha Beach, Coastal Sombo, Beach Houses, Beach Kapota, Banakawa beach, and Umala beach in October 2013. All of the six parks were located the Wakatobi territorial waters with coordinates of 5°06'25" S and 123°124'10 E. The results showed of 18 species of echinoderms representing six different types of Asteroidea, two types of Ophiuroidea, six types of Echinoidea, and four types of Holothuroidea. Group of starfish or Asteroidea was the most prominent on seagrass area. Based on the six transects sites, it turned out that the group of starfish (Asteridea) occupied a relatively high level of species richness. From the quantitative analysis values, we obtained diversity index (H) of 1.105 in Sombu, the highest evenness index (J) of 0.989 was found in Umala, and the highest species richness index values (D) of 0.132 was obtained in kapota. It seemed that all echinoderm groups were generally like seagrass microhabitat (12 types). While, sand and dead coral habitats were only occupied by 8 (eight) echinoderm groups. Keywords: echinoderms, diversity, Wakatobi, Southeast Sulawesi

scholarly journals Common Birds of Chitwan National Park, Nepal

2017 ◽  
Vol 1 (2) ◽  
pp. 19-26
Author(s):  
Parveen Kumar Jha
Keyword(s):  
Protected Area ◽  
National Park ◽  
Bird Species ◽  
Point Of View ◽  
Central Nepal ◽  
South Central ◽  
Tropical Vegetation ◽  
Chitwan National Park ◽  
Common Birds ◽  
Very High

 This research paper gives checklist of common birds of Chitwan National Park, which is a wild-life protected area in south-central Nepal. It covers tropical and sub-tropical vegetation. It is first protected area and includes 932 sq. km. Common birds observed are about 170 belonging to 48 Avian families during 2013-2014. Present investigator has very minutely observed birds in habitat conditions. Bird species were recognized by very high binocular. Birds were thoroughly studied from point of view of Taxonomy. Machans were also erected for observing birds.

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