Biovelentia - Biological Research Journal
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GREEN BARRIER PT PUSRI POTENTIAL AS BIRD HABITAT
No full textThe study was conducted to determine birds in Green Barrier PT. Pusri and explains the function of the existing vegetation in the Green Barrier for many species of birds. Retrieval of data was conducted in a 28 ha Green barrier area of PT Pusri, during July to August 2015. The collecting of data determined by line transects through observation directly. assuming the selection of sites in the area of water resources and representation of vegetation types that represent a potential habitat for birds. Birds observed then identified and recorded the type, activity include, nesting, feeding, perch and plants that exploited. The results of this study found 17 species in 13 families. Plant species are most frequently used by birds is batai wood (Paraserianthes falcataria). Recorded at least 10 species of birds found in the Green Barrier PT. Pusri utilize these plants as a perch, feeding and nesting. The availability of water in the form of an artificial fish ponds at the fish pond 1 (transect 3) to attract water birds such as; Javan Pond-heron (Ardeola spesiosa) and Common Sandpipers (Tringa hypoleeucos) to come looking for food that needs to be managed to maintain its function as a habitat for birds.Keywords: Birds, plant, habitat, Green Barrier PT. Pusri
A RAPID BIRD SURVEY TO CONSERVATION AREA OF INDUSTRIAL ACACIA TIMBER PLANTATION, SOUTH SUMATRA PROVINCE; WITH COMPARISON TO THREE DIFFERENT METHODS
No full textA rapid bird survey was done in a small conservation area of industrial timber concession of PT BMH (Bumi Mekar Hijau), namely KPPN (Kawasan Pelestarian Plasma Nutfah), South Sumatra Province. The area has 448 ha, dominated by degraded secondary swamp forest surrounded by Acacia plantation. Three survey methods were applied to assess bird diversity in this area: transect line, mist-netting and audio-visual station recording. A total of 36 species was recorded during survey. Among three methods applied, transect line is the most effective method to detect more bird species (29 species), followed by audio-visual station recording (26 species) and mist-netting (three species). There are eight species which protected by Indonesian law and two birds are listed as Near Threatened (NT) by International Union for Conservation of Nature or IUCN. Although number of species birds recorded are not significance, but this area still support habitat for various birds diversity, and the forest remaining should be well-managed to support its conservation goals
DRAGONFLIES INVENTORY (Odonata) IN KOTA WARINGIN VILLAGE, PUDING BESAR DISTRICT – BANGKA ISLAND
No full textOdonata is considered an environmental indicator group of freshwater habitats. Thus there is a need to have a good baseline data to use it for monitoring fluvial habitats. However, species composition of Odonata in Kota Waringin Village is poorly known.This study aims to determine the diversity of dragonfly species in the Kota Waringin Village, Puding Besar District – Bangka Island. Data were collected at Three different ecosystems in Kota Waringin Village area (River in Forest, River in oil palm plantations and yard). Location for data collection based on the availability of water resources using purposive sampling method. The species were identified using identification books (Dragonfly of Singapore and Australian Dragonfly). Based on research we revealed 13 species of dragonflies are exist in three sampling locations (Agrionoptera insignis, Brachydiplax chalybea, Heliaeschna crassa, Ictinogomphus decoratus melaenops, Nannophya pygmaea, Neurothemis fluctuans, Neurothemis ramburii, Neurothemis terminata, Orthetrum chrysis, Orthetrum Sabina, Rhodothemis rufa, Zyxomma petiolatum and Rhyothemis phyllis). Keywords : Odonata, Dragonflies, Inventory, Conservation, Bangka Islan
PANTAI PASIR PADI (PADDY SAND BEACH) OF BANGKA ISLAND; CRABS (Scopimera sp) POPULATION, FEEDING BEHAVIOUR AND THEIR BIRD PREDATOR
No full textAn observation about beach crab (Scopimera sp) population, their feeding behaviour and predator bird had been done at October 9 th, 2014 in Pantai Pasir Padi, Eastern Bangka Island beach, near Pangkal Pinang town. Ten 1 meter square plots were put at sandy beach and number of Scopimera sp be counted by the number of their hole nest home. Their feeding behaviour observed directly by eye-watching and video making. The threatening of bird predator was noted too. The investigation find out that the mean of crabs population is 17 individu/m2 . They come out from home hole for feeding around by sieving wet sand that be taken by front legs, obsorb organic nutrious material by mouth and kick residual sand to behind legs, move it as a small sand ball to right of left back side. Production of small ball sand were about 15 - 30 balls /per minute. For making the nest hole, bigger sand ball were produced about 7 – 9 ball/minute; ball colour is same with under layer beach sand; quite grey. The crabs run instinctivey fast, when the threat come from their natural enemy, predator bird, Actitis hypoleucos. Bird searching behaviour look adapted to the fast run of crab.
EFFECT OF GIVING MIXED INSECTICIDE CARBOFURAN IN COW FECES TOWARDS CONSUMPTION RATE AND ASSIMILATION EFFICIENCY EARTHWORM Pheretima javanica Gates
No full textResearch about “Giving a mixture of Insecticide Carbofuran in cow feces to the Rate of Consumption and the Efficiency of Absorption on Land Worm Pheretima javanica Gates was held on June to August 2016 at Animal Physiology Laboratorium, Biology Department, Faculty of Mathematics and Science, Sriwijaya University, Indralaya, Ogan Ilir, South Sumatera. The purpose of this research is to learn the effect of Insecticide Carbofuran to the rate of consumption and the efficiency of absorption on land worm Pheretima javanica Gates. Contribution of this research gives the information to farmer about the effect of insecticide carbofuran to non-target animal, especially to land worm Pheretima javanica Gates. This research used Completely Randomized Design with 6 treatments and 5 times repetition. Treatment that was given to sample are the insecticide carbofuran with concentration of 0 % (control); 0.1% ; 0.2 % ; 0.3 % ; 0.4 % ; 0.5 %. Data analysis was using Varians Analysis. If there was real difference then data analysis continued with The Duncan Test on level of confidence of 95%. The results of this research show us that several concentration of insecticide carbofuran have the real effect to the average of consumption rate and the efficiency of absorption. The lowest average of consumption rate on land worm Pheretima javanica is on concentration of 0,5 % (0.23 ± 0.02 mg/g day) and the highest average of consumption rate on land worm Pheretima javanica is on concentration of 0% (control) (2.53 ± 0.05 mg/g day). The lowest average of absorption efficiency on land worm Pheretima javanica is on concentration of 0 % (control) (40.78 ± 2.56 % )and the highest average of absorption efficiency on land worm Pheretima javanica is on concentration of 0,5 % (70.76 ± 3.67 %). Keywords: carbofuran, the rate of consumption, the efficiency of absorption, Pheretima javanica Gates
DIVERSITY OF SOIL ARTHROPOD IN GREEN BARRIER AREA PT. PUSRI
No full textThe research was conducted to inventory and identify as well as acknowledge the correlation between vegetation type with soil arthropods in the Green Barrier area of PT Pusri. PT. Pusri green Barrier area is 28 hectares and dominated by 10 types of vegetation, such as, the Angsana (Pterocarpus indicus Wild), Bambu (Bambusa Sp), Beringin (Ficus benyamina), Buah Roda (Hura crepitans L), Jati (Tectona grandis L), Kelampayan (Neolamarckia cadamba) , Ketapang (Terminalia catappa L), Mahony (Swietenia macrophylla King), Pulai (Alstonia scholaris), and Sengon (Paraserianthes falcataria L). Soil arthropods were collected by using pit fall traps and funnel barlese-tullgren in every type of vegetation, between July-August 2015. Identification of arthropod genera Identification has been done in Entomology Laboratory of the Agriculture Plant Disease Faculty Sriwijaya University, and analysis of soil organic in the Laboratory of Soil Faculty of Agriculture Sriwijaya University. The results were obtained into 3 classes of soil arthropods belonging to the 10 orders, 28 families and 35 genera. The diversity index value of soil arthropods in various types of vegetation is classified moderately (H= 1-3), and no type of soil arthropods were dominant, mean that soil arthropods with different types spread over in the various types of vegetation in the area of Green Barrier PT. Pusri. Light intensity abiotic factors play an important role in the life of the soil arthropod communities in vegetation Sengon (Paraserianthes falcataria L) with a correlation coefficient 1.00Keywords: soil arthropods, community structure, a biotic factors, Green Barrier PT. Pusr
PLANT GROWTH OF EGGPLANT (Solanum melongena L.) IN VITRO IN DROUGHT STRESS POLYETHYLENE GLYCOL (PEG)
No full textDrought stress is one of the important issues related to the global warming that demand for the development of drought tolerant crops. Eggplant is one of the agricultural commodities which can be developed in dry land so plant growth of eggplant need to be learned. The objectives of this study were to study the effect of several concentrations of polyethylene glycol (PEG) on the in vitro growth of eggplant, and to find the drought tolerant eggplant accessions in dry land. The experiment was conducted at the Laboratory of Tissue Culture, Department of Agronomy and Horticulture, Bogor Agricultural University. The experiment was laid on a completely randomized design with one factor. The factor was eggplant accessions. The results showed that PEG in vitro media significantly affected the survival percentage, the percentage of callus, developed the bud and the number of leaves of eggplant. Callus in eggplant explants as a way of avoiding drought stress
FIRST BREEDING RECORD OF JAVAN MUNIA (Lonchura leucogastroides) IN SUMATRA, INDONESIA
No full textJavan Munia (Lonchura leucogastroides) is recently common bird species in southern Sumatra, but no breeding record reported in Sumatra. On 11 October 2015, an active nest of Javan Munia and few juveniles were seen among bunches of Banana (Musa sp) fruits in Sukarejo village, Musi Rawas district, South Sumatra province. This observation is constitute first record of Javan Munia in Sumatra. Keywords: First, observation, nest, Javan Munia, Sumatra
THE DIVERSITY OF AMPHIBIANS IN CAMPUS AREA OF SRIWIJAYA UNIVERSITY INDRALAYA, OGAN ILIR, SOUTH SUMATERA
No full textThe study is diversity of amphibians in campus area of sriwijaya university indralaya, ogan ilir, south sumatra was aimed to determine the diversity of amphibian species present in this area. The research has been done in March until May 2015, in the campus of the Sriwijaya University, Indralaya. The method in this study is use the transect method by placing seventh transect line on line with the direction of cutting contour lines. Data collection techniques using the Visual Encounter Survey (VES) and Pit-Fall Trap method in combination with the Straight Line Method and Fence (Drift Fence). Results from this study recorded 11 species of amphibians from five families of the Anura. Average diversity index at Sriwijaya University Indralaya region is 1.70 which fall into the medium category. Keywords : Sriwijaya university, amphibians, transect,diversit
APPLICATION OF POINT-CENTERED QUARTER METHOD FOR MEASUREMENT THE BEACH CRAB (Ocypode spp) DENSITY
No full textPoint Quarter Method is a plant community structure measurement procedure. The technique is base on measurement of distance of four plants or trees in every quarter that is made by four space in the cross line sampling field studies. In forest sampling, point centered quarter methods is considered as the efficient, reliable and accurate data, not only for mean distance and density, but for frequency and dominance of species. So it is important to try wether these method ould be applicated to animal, especially crab. These method was applicated for crab population in Padang Beach at December 22nd, 2014. Ten points quartered were made and the distance of every Ocypode sp crab burrow was counted by ruler. Mean distance of crabs burrow gained by divided of total number of quarter (20) with mean distance of every burrow to the point. Density per hectare is 10,000 m divided by quadratic of mean distance. Mean distance of burrow to points were counted and prediction of population per hectare could be found. In these case, mean distance was: 0.41 m and crab population is :59,488.34 individu per hectare. Compared to other species , eg Scylla serrata, its population is bigger, eventhough the condition of beach is polluted and wastedKeywords: point centered quarter method, Ocypode sp, densit