scholarly journals Light Intensity and Soil Compaction as Influenced by Ecotourism Activities in Pahang National Park, Malaysia

Author(s):  
Mohamad Danial Md Sabri ◽  
Mohd Nazip Suratman ◽  
Abd Rahman Kassim ◽  
Nur Hajar Zamah Shari ◽  
Shamsul Khamis ◽  
...  
bionature ◽  
2018 ◽  
Vol 18 (2) ◽  
Author(s):  
Hilmiah Hilmiah

Abstract. Resort Balocci of Bantimurung Bulusaraung National Park is location grown many natural orchids. This research aims to knew the natural orchids species. This research used the exploration method by tracing did the study area investigation and documentation includes of took the picture and morphological characterization as basic to identification of orchids type. Exploration of natural orchid conducted in 1 location with 94 distribution point had height from 764 m dpl until 1252 m dpl. The results of research got 44 types of orchid, the research there were 3 kinds of orchids growth characteristic, epiphytic amount 38, terrestic 5, and litofit 2, while the type its growth dominated by simpodial orchid amount 26 types. Type many found that was Eulophia spectabilis. Based on the height of place, type grow in higher position was Trichotosia sp that is 1252 m dpl while lower position was Bulbophyllum sp.2, Dendrobium stuartii, Oberonia sp.1, Pholidota sp.2, dan Luisia sp.1 that is 764 m dpl. Based on light intensity visually, the most commonly found orchid in the light intensity is half as much as 35. Keywords: Natural orchids, Epiphytic, Resort Balocci, Bantimurung Bulusaraung National Park Area


2019 ◽  
Vol 1 ◽  
pp. 105-118
Author(s):  
Ennie Chahyadi ◽  
Appriliya Destiyana ◽  
Mayta Novaliza Isda ◽  
Desita Salbiah

Bukit Tiga Puluh National Park (TNBT) is a nature conservation area that has a variety of important and interesting fauna, one of which is a butterfly. The existence of butterflies in an ecosystem acts as a bioindicator, pollinator, and high aesthetic value. The type and number of butterflies are influenced by various environmental factors, one of the most important factors is the types of plants as vegetation habitat. The existence of different habitat conditions can be found in several areas in the Talang Lakat Resort TNBT Utilization Zone, namely in the area of ​​Mu'un Lake and Camp Granite. The study was to identify and inventory the Rhopalocera butterfly based on morphological characters and the presence of differences in habitat vegetation in the two areas in the TNBT utilization zone. The method used is the method of roaming with the help of insect nets. Sampling was carried out starting from the morning (08.00-11.00 WIB) until the afternoon (15.00-17.30 WIB). Samples obtained immediately made insectarium and identified. The results obtained are that there are some different types of butterflies and plants between the Granite Camp region (15 and 26 species) and mu'un lake (7 and 15 species). The butterflies obtained consisted of the Hesperiidae, Lycaenidae, Papilionidae, Nympalidae and Pieridae families. The highest number of species and individuals of butterflies in the two regions comes from the Nympalidae Family. The differences in the types of butterflies in the two regions are influenced by the quite high differences in the number of plant species that dominate in each region which is a habitat for butterflies. Besides physical factors also support the existence of butterflies (temperature, light intensity, humidity)


Biocelebes ◽  
2020 ◽  
Vol 14 (2) ◽  
pp. 137-149
Author(s):  
Andi Wirdani Pettalolo ◽  
Wahyu Harso ◽  
Ramadanil Pitopang

The research entitled Autecolgical study of Areca vestaria in Sub-Montane Forest Lore Lindu National Park at Toro village area has been conducted from April to May 2016. The objective of the research was to know the biotics and abiotics factor arround the habitat of Areca vestiaria. The results showed that The highest important value index (IVI) of tree, sapling, pole and seedling species wereFicus ampelos (68.69%), Aphanaximis polistachy (40.01%), Ardisia lateriflora (31.73%) and Ardisia lateriflora (19.23%) respectively. The insects  actively interacted with A. vestaria were black ant and bee. Based on soil analyzed indicated that pH  of soil 6.6 while N, P and organic matter concentration  were 0.26, 0.207 mg/g and 76.1% respectively. A. vestaria grew under light intensity of 540.4 lux, humidity of 76.1% and average daily temperature of 24.4%.  


2020 ◽  
Vol 5 (2) ◽  
pp. 132
Author(s):  
Dewi Ayu Lestari ◽  
Agung Sri Darmayanti

Alas Purwo National Park (APNP) is a conservation area with lowland forest type. The adaptation of plants conserved is strongly influenced by environmental factors and the behaviour of flowering and fruiting. The aims of this research were to find the number, species, dominance, and abundance of flowering and fruiting plants, comparison of flowering and fruiting species, and environmental factors affecting the flowering and fruiting time in APNP observation tracks. This study used purposive random sampling in each observation track where flowering and fruiting plants were found. Environmental factors (temperature, humidity, light intensity, soil pH, elevation, and coordinates) in each observation track were measured. Data analysis was conducted using Microsoft Excel and PAST 4.0. statistic program. The behaviour of flowering and fruiting plants species in APNP was unique. There were 90 species of flowering and fruiting plants in APNP from 45 families. Most species often found flowering and fruiting were Orophea enneandra, Polyalthia littoralis and Leea angulata which were scattered in Moto Lele, Patirtan Mas, and Sadengan Savanna. Fruiting plants species were more often found than flowering ones. Temperature and light intensity became the two most affecting environmental factors on flowering and fruiting plants behaviour. The study of flowering and fruiting behaviour is very important for genetic resources conservation and conservation areas management.


Biocelebes ◽  
2020 ◽  
Vol 14 (2) ◽  
pp. 177-186
Author(s):  
Stevani Tamawiwi ◽  
Moh Iqbal ◽  
Ramadanil Pitopang

The research “vegetation analysis of  Alpinia Eremochlamys K.Schum. Habitat in the mountain forest around Kalimpa’a lake, Lore Lindu National Park Central Sulawesi” has been conducted from August to November 2018. The objective of the research was investigate species  in the habitat of Alpinia Eremochlamys K.Schum. and to measure enviromental condition. The research was used multiple plots method, where plots were observed sistematicaly. The results indicated that the vegetation at tree level dominated by Mallotus paniculatus Mull.Arg., a pole level was dominated by Elaeocarpussphaericus, vegetation of sapling by Vaccinium sp. and seeding level was dominated by Ageratum conyzoides L. The daily average temperature was 22.38°C, relative humidity was 70.16%  and light intensity average of 387.3 lux.


2021 ◽  
Vol 15 (1) ◽  
pp. 4-12
Author(s):  
Sutomo Sutomo ◽  
Rajif Iryadi

Human activities in forest areas such as over-harvesting of Begonia species without being balanced with their cultivation activities can threaten the existence of Begonia in nature. Autecological studies of species in their natural habitat are the initial activities for the conservation of plant species. The purpose of this study was to study the distribution of Begonia on Flores and environmental/ microclimate characteristics in several locations on Flores Island. The 10x10 m plots were placed with purposive sampling with a minimum interval of 50 m. Multivariate analysis using Canonical Corespondence Analysis (CCA) was employed to determine the effect of microclimatic factors on the composition of vegetation. Begonia kelimutensis is endemic in Kelimutu National Park, Flores lives at an altitude of 1,527 asl, at soil pH 5,8 and soil moisture of 75%, with a slope of 10 ° on the forest floor and light intensity 4,640 klux. In addition, five types of Begonia that we estimate have not been identified and two of them are identified as Begonia sumbawaensis Girm. and Begonia brangbosangensis Girm. Begonia kelimutuensis is distributed at a higher altitude than Begonia brangbosangensis. B. sumbawaensis is influenced by the slope factor while B. longifolia tends to be related to the air humidity factor. B. kelimutuensis is also often found living with Macaranga sp., and Litsea sp. B. brangbosangensis, also found near Homalanthus sp. and Calliandra callothyrsus.


Author(s):  
Miroslav Kleibl ◽  
Radomír Klvač ◽  
Josef Pohořalý

The paper presents the assessment of compaction grade caused by machinery used in forest biomass for energy harvesting. The main aim was to determinate unaffected soil conditions, the compaction grade exactly after harvesting activities, the return of soil after couple of years and compaction grade in stands, which were not harvested but affected by skidding and seed collection activities. Therefore four different compaction grades were evaluated. To ensure as much as possible uniform soil conditions also soil samples were evaluated. Soil samples were collected using Kopecky physical metal rings and followed characteristics of soil were determined i.e. moisture content, bulk density and porosity, respectively. In San Rossore national park 24 plots were identified of which 8 were harvested in 2011 year (H2011), 8 were harvested in 2005 year (H2005), 7 were not harvested but were affected by other activities (NH) and 1 was unaffected (U). On each plot 50 repetition of measurement were carried out. The results display both: significantly different compaction grade of soil and return of the soil towards the original conditions after 6 years.


2021 ◽  
Vol 87 (6) ◽  
Author(s):  
Zoë Havlena ◽  
Thomas L. Kieft ◽  
George Veni ◽  
Rodney D. Horrocks ◽  
Daniel S. Jones

ABSTRACT Photosynthetic cave communities (“lampenflora”) proliferate in Carlsbad Cavern and other show caves worldwide due to artificial lighting. These biofilms mar the esthetics and can degrade underlying cave surfaces. The National Park Service recently modernized the lighting in Carlsbad Cavern to a light-emitting diode (LED) system that allows adjustment of the color temperature and intensity. We hypothesized that lowering the color temperature would reduce photopigment development. We therefore assessed lampenflora responses to changes in lighting by monitoring photosynthetic communities over the course of a year. We measured photopigments using reflected-light spectrophotometric observations and analyzed microbial community composition with 16S and 18S rRNA gene amplicon sequencing. Reflected-light spectrophotometry revealed that photosynthetic biofilm development is affected by lighting intensity, color temperature, substrate type, and cleaning of the substrate. Gene sequencing showed that the most abundant phototrophs were Cyanobacteria and members of the algal phyla Chlorophyta and Ochrophyta. At the end of the study, visible growth of lampenflora was seen at all sites. At sites that had no established biofilm at the start of the study period, Cyanobacteria became abundant and outpaced an increase in eukaryotic algae. Microbial diversity also increased over time at these sites, suggesting a possible pattern of early colonization and succession. Bacterial community structure showed significant effects of all variables: color temperature, light intensity, substrate type, site, and previous cleaning of the substrate. These findings provide fundamental information that can inform management practices; they suggest that altering lighting conditions alone may be insufficient to prevent lampenflora growth. IMPORTANCE Artificial lighting in caves visited by tourists (“show caves”) can stimulate photosynthetic algae and cyanobacteria, called “lampenflora,” which are unsightly and damage speleothems and other cave surfaces. The most common mitigation strategy employs bleach, but altering intensities and wavelengths of light might be effective and less harsh. Carlsbad Cavern in New Mexico, a U.S. National Park and UNESCO World Heritage Site, has visible lampenflora despite adjustment of LED lamps to decrease the energetic blue light. This study characterized the lampenflora communities and tested the effects of color temperature, light intensity, rock or sediment texture, and time on lampenflora development. DNA amplicon sequence data show a variety of algae and cyanobacteria and also heterotrophic bacteria. This study reveals microbial dynamics during colonization of artificially lit surfaces and indicates that while lowering the color temperature may have an effect, management of lampenflora will likely require additional chemical or UV treatment.


2017 ◽  
Vol 9 (2) ◽  
pp. 15-19
Author(s):  
Bodh Raj Subedi

The paper explores peoples' perceptions on the biophysical impacts of elephant safaris which is a perfect way to go wildlife viewing, and is very eco-friendly. It surpasses its alternatives, especially noisy Jeep safaris. However, more people are becoming aware of the biophysical impacts of the safaris in the park. They perceived that the safaris cause negative impacts on wildlife and can destroy habitat through soil compaction and erosion, vegetation damage and disturbances. The study also estimated that the current wildlife observation distance from elephant safaris are less than fifteen metres which is too close and may be harmful to wildlife. This study provides interesting comparisons with previous studies on impacts of tourist activities on wildlife from a biological perspective in that the appropriate distances perceived by park staff to view wildlife was the only one to “fit" their findings. The distances perceived by other groups of people as appropriate would in fact, cause unacceptable levels of disturbance. It is concluded that social (human) perception of disturbance by elephant safaris may not accurately reflect the biological severity of their impacts.


2020 ◽  
Vol 6 (1) ◽  
pp. 20-25
Author(s):  
Juniarto Gautama Simanjuntak ◽  
Mega Putri Amelya ◽  
Fitri Nuraeni ◽  
Rika Raffiudin

Indonesia is a biodiversity country and has much of samples of bioacoustics but there are no bioacoustics data collected and saved to be referred. Bioacoustics is a study of frequency range, sound amplitudo intensity, sound fluctuation, and sound patterns. It is very useful to study more about population presumption and species determination. This insect bioacoustics research is done at Gunung Gede Pangrango National Park and aims to analyse variety of sound frequency of cicada and cricket. Methods which are used are recording the sounds, editing and analyzing the record result with Praat and Raven Lite 2.0 softwares, and analysing the environment. Analysing the sounds which is done is to find miximum frequency, minimum frequency, and average frequency. The result of the sounds analysis is compared to database in Singing Insect of North America (SINA). Environmental analysing includes temperature, air humidity, and light intensity. There are nine cicada sound recording files and twenty four cricket sound recording files. Cicada has high sound characteristic (9,168.2 Hz) and cricket has low sound characteristic (3,311.80 Hz). Comparation to Singing Insect of North America (SINA) database shows that the cicada’s sound is resemble to Tibicen marginalis and the cricket’s sound is resemble to Grylodes sigillatus.  


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