scholarly journals JENIS-JENIS MAKROALGA EPIFIT PADA BUDIDAYA (Kappaphycus alvarezii) DI PERAIRAN TELUK GERUPUK LOMBOK TENGAH

2018 ◽  
Vol 18 (2) ◽  
Author(s):  
Mursal Gazali ◽  
Mardiana Mardiana ◽  
Menip Menip ◽  
Bangun Bangun
Keyword(s):  
Growth And Development ◽  
Negative Impact ◽  
Kappaphycus Alvarezii ◽  
Environmental Parameters ◽  
Research Data ◽  
Optimal Range ◽  
Epiphytic Algae ◽  
Cultivation Methods ◽  
Chaetomorpha Linum ◽  
Spyridia Filamentosa

Abstract:Epiphytes are organisms that attach to other organisms to support their growth and development. One type of epiphytes that has a negative impact on the host is algae (macroalgae). This algae is a competing organism for cultivation algae (Kappaphycus alvarezii). This research was conducted From May to October 2017 in Gerupuk Bay, Central Lombok. The aim of the research is to find out the types of macroalgae epiphytes on macroalgae kappaphycus alvarezii. This research was conducted using exploratory methods by taking seaweed samples overgrown with epiphytes, the research data obtained were descriptive analisys. As supporting data, environmental parameters are measured including temperature, pH, salinity, DO, phosphate, and NH4. Based on the results of exploration found 13 species of epiphytic algae in kappaphycus alvarezi cultivation, namely: Chaetomorpha linum, Chaetomorpha linum, Cladophora dalmatica, Acanthophora spicifer, Batrachospermum sp, Callithamnion sp., Caulachantus ustulatus, Ceramium sp, Hypnea spinnosa, Hypnea spinella, Hypnea sp, Polysiphonia brodiaei , Spyridia filamentosa. The type of epiphytes found that grows in both cultivation methods and some others are found only in one method. Meanwhile, data on environmental parameters are in the optimal range for macroalgae growth.This data is expected to be used as a consideration for the cultivateddevelopment in the Gerupuk Bay cultivation center. Keywords : Macroalgae, Epiphytes, Aquaculture,  Kappaphycus alvarezii

scholarly journals DAMPAK PERCERAIAN TERHADAP PERILAKU ANAK DAN HASIL BELAJAR

2019 ◽  
Vol 5 (1) ◽  
pp. 1-18
Author(s):  
Fatkhu Yasik ◽  
Dewi Anggraeni ◽  
Aulia Sahnaz
Keyword(s):  
Learning Outcomes ◽  
Growth And Development ◽  
Negative Impact ◽  
Research Data ◽  
Emotional Expressions ◽  
Negative Effects ◽  
Children's Behavior ◽  
The Subject ◽  
The Impact ◽  
Collection Methods

This study aims to examine the impact of divorce: (1) knowing the existence of a divorce factor. (2) how the impact of divorce on children's behavior. (3) what is the impact of divorce on children's learning outcomes. This study uses qualitative research. The subject of this study was MI Al Khairiyah students in Duri Kosambi Cengkareng, West Jakarta who were victims of their parents' divorce. Data collection methods used in this study are interviews, data analysis includes data reduction and coding. Validation of research data uses tringgulation where researchers conduct interviews with some of the subjects to analyze their validity with other supporters. The results of this study indicate that the impact of parental divorce on children's behavior and learning outcomes can have a negative impact. Many negative effects are expressed by emotional expressions that make the child, easily sad, irritable, naughty and sometimes become quiet and inferior to his friends whose parents are not divorced. So that there is no motivation for active learning and achievement in the class because there is no support and attention of both parents for children excited in the process of learning and growth and development

HUBUNGAN KEPADATAN BIVALVIA DENGAN PARAMETER LINGKUNGAN DI PESISIR TANJUNG PURA KABUPATEN BANGKA TENGAH

2020 ◽  
Vol 13 (2) ◽  
pp. 112-121
Author(s):  
Sudiyar . ◽  
Okto Supratman ◽  
Indra Ambalika Syari
Keyword(s):  
Negative Impact ◽  
Principal Component ◽  
Environmental Parameters ◽  
Data Retrieval ◽  
Distribution Patterns ◽  
Random System ◽  
System Method ◽  
Relationship Of ◽  
The Relationship ◽  
Anadara Granosa

The destructive fishing feared will give a negative impact on the survival of this organism. This study aims to analyze the density of bivalves, distribution patterns, and to analyze the relationship of bivalves with environmental parameters in Tanjung Pura village. This research was conducted in March 2019. The systematic random system method was used for collecting data of bivalves. The collecting Data retrieval divided into five research stasions. The results obtained 6 types of bivalves from 3 families and the total is 115 individuals. The highest bivalve density is 4.56 ind / m², and the lowest bivalves are located at station 2,1.56 ind / m²,  The pattern of bivalve distribution in the Coastal of Tanjung Pura Village is grouping. The results of principal component analysis (PCA) showed that Anadara granosa species was positively correlated with TSS r = 0.890, Dosinia contusa, Anomalocardia squamosa, Mererix meretrix, Placamen isabellina, and Tellinella spengleri were positively correlated with currents r = 0.933.

ASSESSMENT OF WOODEN BUILDINGS IN TERMS OF CONSTRUCTION WASTE GENERATION

2020 ◽  
Author(s):  
Marcela Spišáková ◽  
Mária Kozlovská ◽  
Jozef Švajlenka
Keyword(s):  
Negative Impact ◽  
Raw Materials ◽  
Environmental Parameters ◽  
Constructional Material ◽  
Waste Generation ◽  
Construction Waste ◽  
Construction Market ◽  
Negative Impacts ◽  
The Individual ◽  
Wooden Structures

Construction industry creates an environment for people's lives. On the other hand, construction activities have a negative impact on various aspects of the environment. It consumes natural raw materials, significantly contributes to carbon footprint, waste, etc. Appropriate choice of constructional, material, technical, technological and environmental parameters of buildings can partially reduce this negative impacts. By designing, implementing and using wood-based constructions it is possible to reduce the negative impact in the area of construction waste generation. Currently, the construction market offers a large number of construction systems of wooden buildings, which have both strengths and weaknesses. In this paper are identified construction systems of wooden buildings offered on the Slovak construction market. The aim of the paper is a detailed identification of construction waste generation during the realization of particular wooden structures and monitoring of waste generation in production factory (off site) and on construction site (on site) during the construction of wooden buildings. Based on the obtained information, the individual construction systems of wood-based constructions are compared in terms of construction waste generation

scholarly journals New protectants for potato protection

2020 ◽  
pp. 4-7
Author(s):  
Grigoriy Leonidovich Belov ◽  
Vladimir Nikolaevich Zeyruk ◽  
Vladimir Anatolyevich Barkov ◽  
Marina Konstantinovna Derevyagina ◽  
Svetlana Viktorovna Vasilieva
Keyword(s):  
Growth And Development ◽  
First Generation ◽  
Field Experiments ◽  
Negative Impact ◽  
Sandy Loam ◽  
Control Treatment ◽  
Potato Tubers ◽  
Complete Protection ◽  
Potato Beetle ◽  
Two Component

In field experiments in the conditions of sod-podzolic sandy loam soils of the Moscow region, protectants were tested. Before planting potatoes, tubers were treated with a new two-component insectofungicide AVG – 0190 (Idikum, SC, iprodion, 133 g/l + Imidacloprid, 100 g/l + diphenoconazole, 6.7 g/l)-1.0 – 1.5 l/t and a mixture of the fungicide Syncler, SC (75 g/l fludioxonyl) and the insecticide Tabu Super, SC (Imidacloprid, 400 g/l and fipronil, 100 g/l)-0.2-0.3 l/t. According to the results of three-year tests, it was found that the etching of potato tubers before planting does not have a negative impact on the germination and biometric indicators of growth and development of potatoes. Their use helped to reduce the development and spread of rhizoctoniosis and provided almost complete protection of potatoes from the first generation of the Colorado beetle – during the mass appearance of older larvae and during the beginning of the departure of larvae for pupation. Biological efficacy against Rhizoctonia amounted to 58.8-66,3%, the Colorado potato beetle – 93,7 95.5 per cent. The use of new potato tuber protectants allowed to increase the gross yield by 6.2-7.1 t / ha or 30.9-35.3% compared to the control. Treatment of seed tubers with protectants helped to obtain a crop free from rhizoctoniosis and increase the yield of standard healthy potatoes by 57.7

scholarly journals Effects of human disturbance on the mongoose lemur Eulemur mongoz in Comoros: implications and potential for the conservation of a Critically Endangered species

Oryx ◽  
2015 ◽  
Vol 51 (1) ◽  
pp. 60-67 ◽  
Author(s):  
Bakri Nadhurou ◽  
Roberta Righini ◽  
Marco Gamba ◽  
Paola Laiolo ◽  
Ahmed Ouledi ◽  
...  
Keyword(s):  
Group Size ◽  
Negative Impact ◽  
Human Impacts ◽  
Conservation Status ◽  
Environmental Parameters ◽  
Critically Endangered ◽  
Anthropogenic Pressure ◽  
Critically Endangered Species ◽  
The Impact ◽  
Group Size And Composition

AbstractThe decline of the mongoose lemur Eulemur mongoz has resulted in a change of its conservation status from Vulnerable to Critically Endangered. Assessing the current threats to the species and the attitudes of the people coexisting with it is fundamental to understanding whether and how human impacts may affect populations. A questionnaire-based analysis was used to study the impact of agriculture and other subsistence activities, and local educational initiatives, on lemur abundance, group size and composition in the Comoros. On the islands of Mohéli and Anjouan we recorded 214 lemurs in 63 groups, the size and composition of which depended both on environmental parameters and the magnitude and type of anthropogenic pressure. There was no evidence of an impact of anthropogenic disturbance on abundance. In contrast, group size and composition were sensitive to human impacts. The most important threats were conflicts related to crop raiding, as well as illegal capture and hunting. The promotion of educational activities reduced the negative impact of hunting and illegal activities. These results highlight a need for urgent conservation measures to protect the species.

scholarly journals Promising agrofibers based on biodegradable polymers

2019 ◽  
Vol 298 ◽  
pp. 00080 ◽  
Author(s):  
Yulia Tertyshnaya ◽  
Nelly Levina ◽  
Maria Podzorova ◽  
Irina Bidey
Keyword(s):  
Water Vapor ◽  
Biodegradable Polymers ◽  
Growth And Development ◽  
Negative Impact ◽  
Water Vapor Sorption ◽  
Fibrous Materials ◽  
Vapor Sorption ◽  
Nonwoven Fiber

Nonwoven fibrous materials from biodegradable polymers: polylactide and poly-3-hydroxybutyrate were obtained. Water vapor sorption by nonwoven fiber samples was investigated. It was determined that the substrate of non-woven material does not have a negative impact on the growth and development of cress plants. It is shown that the studied fiber samples are actively subjected to destruction in the soil, on the sample of PLA-PHB composition is decomposed faster than pure PLA.

scholarly journals Effect of Dust and High Temperature on Photovoltaics Performance in the New Capital Area

2021 ◽  
Vol 17 ◽  
pp. 360-370
Author(s):  
Engy Elshazly ◽  
Ahmed Α. Abd El-Rehim ◽  
Amr Abdel Kader ◽  
Iman El-Mahallawi
Keyword(s):  
High Temperature ◽  
Negative Impact ◽  
Environmental Parameters ◽  
Electrical Performance ◽  
Solar Photovoltaic ◽  
Solar Panels ◽  
Photovoltaic Panels ◽  
Cost Of Energy ◽  
Dust Accumulation

The trend for integrating solar Photovoltaic Panels as an alternative renewable and sustainable energy source is growing in Egypt, North Africa and the Middle East. However, these efforts are not widely accepted by the society due to their lower efficiencies. The efficiency of the photovoltaic panels is affected by many environmental parameters, which have a negative impact on system efficiency and cost of energy, dust and increased panel temperatures being the most serious. This work presents the results of a case study conducted at The British University in Egypt at El-Sherouk city to study the effect of different parameters such as dust accumulation, water cooling and coating on their performance of both mono- and poly-crystalline panels at El-Sherouk City. The effects of high temperature and dust accumulation on different solar panels placed in natural outdoor conditions at El-Sherouk City were studied and the electrical performance of dusted, cleaned, and cooled PV panels is presented. The variation in the efficiency of mono-crystalline panels installed at different tilt angles, resulting from the accumulation of dust on their surface, was also studied. The results showed that the accumulation of dust on the surface of different types of solar panels can reduce the efficiency by 30%. While the high temperature can reduce the efficiency by up to 10 %. The results showed that the power reduction percentage was 17%, 20%, 25%, 27% and 30% for tilt angles 60°,45°,30°,15° and 0°; respectively. Tilt angles 15° and 30° showed to be optimal for the installation of the PV solar system, as they resulted the highest amount of output power

scholarly journals THE COMPARISON OF FOOD POLICY ERA THE LEADERSHIP OF SOEHARTO AND SUSILO BAMBANG YUDHOYONO

2018 ◽  
Vol 2 (1) ◽  
pp. 65-84
Author(s):  
Iman Amanda Permatasari ◽  
Junior Hendri Wijaya
Keyword(s):  
Data Analysis ◽  
Data Collection ◽  
Food Policy ◽  
Negative Impact ◽  
Research Data ◽  
Historical Research ◽  
Analysis Techniques ◽  
Nutritional Guidelines ◽  
Self Sufficiency ◽  
Food Policies

ABSTRAK Penelitian ini bertujuan untuk mengetahui perbandingan kebijakan pangan pada masa kepemimpinan presiden Soeharto dan Susilo Bambang Yudhoyono. Unit analisa data yang diambil berupa kepemimpinan Soeharto dan Susilo Bambang Yudhoyono serta kebijakan pangan, dengan jenis penelitian yang digunakan adalah penelitian sejarah. Teknik pengumpulan data menggunakan Studi dokumentasi. Kemudian, teknik analisa datanya terdiri dari: Heuristik, Kritik dan Analisis Saran, Interpretasi, dan Historiografi. Hasil penelitian dalam penelitian ini menunjukkan bahwa posisi kebijakan pangan pada masa kepemimpinan Soeharto dan Susilo Bambang Yudhoyono baru berada bada posisi ketahanan pangan, tidak bisa mencapai kemandirian atau bahkan kedaulatan pangan. Soeharto memiliki kebijakan Swasembada beras dan Susilo Bambang Yudhoyono memiliki kebijakan Revitalisasi Pertanian. Keduanya menggunakan strategi masing-masing dalam menjalankan kebijakan tersebut. Selain itu, terdapat pengaruh positif dan juga negatif dari kepemimpinan keduanya terhadap berjalannya kebijakan pangan. Kata kunci: Kebijakan, Pangan, Kepemimpinan, Soeharto, Susilo Bambang Yudhoyono, Indonesia   ABSTRACT This study aims to identify comparative food policies during the presidency of President Soeharto and Susilo Bambang Yudhoyono. The data analysis unit obtained is the management of Soeharto and Susilo Bambang Yudhoyono and the nutritional guidelines taken. The type of research is historical research. Data collection techniques are the study documents. Then the data analysis techniques consist of heuristics, critique and analysis of suggestions, interpretation and historiography. The results of this study show that the position of food policy during the leadership of Soeharto and Susilo Bambang Yudhoyono is unable to achieve independence or even the sovereignty of food. Suharto has a policy of self-sufficiency in rice and Susilo Bambang Yudhoyono has a policy of reviving agriculture. Both have their own strategies in implementing the policy. In addition, it has a positive and negative impact on its leadership in food policy. Keywords: Policy, Food, Leadership, Soeharto, Susilo Bambang Yudhoyono, Indonesian

Sign in / Sign up

Export Citation Format

Share Document