scholarly journals Keragaman dan pengelompokan ikan berdasarkan karakter morfologi di ekosistem Bendungan Colo Sukoharjo Jawa Tengah

DEPIK ◽  
2018 ◽  
Vol 7 (1) ◽  
pp. 9-21
Author(s):  
Ragil Nur Cahyono ◽  
Agung Budiharjo ◽  
Sugiyarto Sugiyarto

The objective of the present study was to determine the diversity fishes in Colo Dam  ecosystem and grouping its based on morphological characteristics. Sampling was conducted in September to October 2017 at Sukoharjo Colo Dam Central Java used the  purposive random sampling method. Identification of fish species based Kottelat (1993). The diversity of fish was calculated using Shannon Wiener's diversity index. The relationship between abiotic factors and the diversity of fish was analyzed by regression test. Grouped fish with the Ntsys cluster method (2.02i). The results showed that the diversity of Colo Dam fish at station III was higher (1.16) than at stations I, II, and IV (0.84, 0.82, and 1.15), the abiotic factors affecting the diversity of fish species, and fish species that have large morphological equations have a high coefficient of similarity value in dendogram analysis.Penelitian ini bertujuan untuk menganalisis keanekaragaman dan pengelompokan  ikan pada di Bendungan Colo. Pengambilan sampel dilakukan pada bulan September-Oktober 2017 di Bendungan Colo Sukoharjo menggunakan metode Purposive sampling. Identifikasi spesies ikan berdasarkan Kottelat (1993). Keanekaragaman ikan dihitung menggunakan indeks keragaman Shannon Wiener. Hubungan antar faktor abiotik dengan keanekaragaman ikan dianalisis dengan uji regresi. Pengelompokan ikan dengan metode cluster Ntsys (2.02i). Hasil penelitian menunjukkan bahwa keragaman ikan Bendungan Colo di stasiun III lebih tinggi (1,16) dari pada stasiun I, II, dan IV (0,84; 0,82; dan 1,15), faktor abiotik mempengaruhi keanekeragaman jenis ikan, dan jenis-jenis ikan yang memiliki persamaan morfologi yang besar memiliki nilai koefisien kemiripan yang tinggi dalam analisis dendogram.

2018 ◽  
Vol 14 (2) ◽  
pp. 137
Author(s):  
Ragil Nur Cahyono ◽  
Agung Budiharjo ◽  
Sugiyarto Sugiyarto

The Cyprinidae fish family is a family of freshwater fish with the largest number of species and its presence is widespread almost all of the world. The main habitat of this family is the river's ecosystem, river damming changing the environmental conditions between the ecosystems before and after the dam's watergate. Such as Colo Dam that dammed Bengawan Solo River that allegedly affects the diversity of species of Cyprinidae fish. So this study was conducted in order to determine the diversity and kinship of the Cyprinidae fish family in the ecosystem before and after the Colo Dam watergate. Sampling was conducted September-October 2017 at Sukoharjo Colo Dam by Purposive sampling method. Identify fish species used Kottelat identification books. The diversity of fish species was calculated by Shannon Wiener's diversity index. The correlation between abiotic factor and fish diversity was analyzed by a regression test. The kinship of the fish was analyzed by the Ntsys cluster method (2.02i). The results showed that the Cyprinidae fish species that live in the Colo Dam ecosystem contain 10 species, the diversity of Cyprinidae fish in the fast-water ecosystem of station I is higher (0,96) then the slow-water ecosystem of station II, III, and IV (0,47; 0,73, and 0,58). Abiotic factors of current velocity affect the level of fish diversity reaches 91%. The Cyprinidae fish kinship rate has a coefficient of resemblance between 60% - 85%, fish with the same genus and many similarities in morphological characters and their behavior is categorized as having a close kinship.


2000 ◽  
Vol 60 (1) ◽  
pp. 63-71 ◽  
Author(s):  
I. G. BOËCHAT ◽  
A. GIANI

Sestonic biochemical composition (lipids, proteins and carbohydrates) may change with varying environmental fluctuations. These changes and the effects in the nutritional status of algae consists of an actual increasing source of interest. The aims of this work were to establish the relationship between biochemical composition of seston and 1) a range of physical, chemical and climatological factors, and 2) the natural fluctuation in the species composition in phytoplankton assemblages of the Pampulha Reservoir, an urban eutrophic lake located in Belo Horizonte, MG. Seasonal changes in the biochemical composition were observed in this study. None of the considered abiotic factors alone seem to affect the biochemical composition. So the effects could only be understood by interactions among different environmental factors. On the other hand, the dominant algal groups probably have some influence in the observed changes in biochemical composition of seston.


2015 ◽  
Vol 1 (3) ◽  
pp. 210-229
Author(s):  
Abdolreza Miri

The issue of organizational spirituality is among the new organizational subjects whose investigation and effects on the employees‟ performance have been considered by the researchers. The current study aimed at identification of those factors of organizational spirituality whose implementation in the organization increase the employees‟ performance.The components job satisfaction, social participation, team solidarity, time for addressing the inner life, alignment between personal and organizational values were investigated in Qazvin governor general office and the related units using Stratified random sampling method. Also, the type of the relationship between the components of organizational spirituality and employees‟ performance was identified and their optimum level was measured using linear and non-linear regression test, linear and non-linear fitting equations, besides estimating mathematical function and differential. The results indicated that some of the components of organizational spirituality have a linear and direct relationship with performance and some other have a non-linear relationship. Therefore, the managers and authorities should pay enough attention to development of organizational spirituality for maximizing the employees‟ performance.


2021 ◽  
Vol 3 (2) ◽  
pp. 65-70
Author(s):  
Dina Setiawati ◽  
Yunita Wardianti ◽  
Mareta Widiya

This study aims to determine the diversity of soil surface insects, in the Bukit Gatan area, Musi Rawas Regency. This research is a qualitative descriptive study using a pitfall trap and using a random sampling method. The results showed that the types of ground surface insects contained 3 orders, 5 families and 10 species.The results of the analysis of the ecological index of soil surface insects in the Gatan hill area, Musi Rawas Regency, namely the diversity index (H') 1.241 in the low category, Evennes index (E') 0.64 in the medium category, and the dominance index (C)0.277 in the medium category.The abiotic factors in the Bukit Gatan area, Musi Rawas Regency at the research site are the average air temperature 29℃, average soil pH 6.5, and average soil moisture 85.3%.Diversity of soil surface insects in the Bukit Gatan area, Musi Rawas Regency is in the low category.


Proyeksi ◽  
1970 ◽  
Vol 6 (2) ◽  
pp. 103
Author(s):  
Kharisma Nail Mazaya ◽  
Ratna Supradewi

Penelitian ini bertujuan untuk mengetahui secara empiris hubungan antara konsep diri dengan kebermaknaan hidup pada remaja putri di Panti Asuhan Sunu Ngesti Tomo Jepara. Hipotesis yang diajukan yaitu ada hubungan positif antara konsep diri dengan kebermaknaan hidup pada remaja di Panti Asuhan. Populasi dalam penelitian ini adalah semua remaja  penghuni panti asuhan di bawah UPT Dinas Sosial Propinsi Jawa Tengah. Sampel dalam penelitian ini adalah remaja penghuni Panti Asuhan Ngesti Tomo Jepara, berusia antara 15 sampai 21 tahun. Metode pengambilan sampel menggunakan  purpossive sampling dengan jumlah sampel 51 orang. Kedua variabel dalam penelitian ini diukur dengan menggunakan skala kebermaknaan hidup dan konsep diri. Teknik analisis data yang digunakan yaitu teknik korelasi product moment. Hasil analisis data diperoleh nilai korelasi rxy = 0,595 dengan p= 0,000 (p < 0,01). Hal ini menunjukkan ada hubungan positif yang sangat signifikan antara konsep diri dengan kebermaknaan hidup pada remaja di Panti Asuhan Sunu Ngesti Utomo Jepara. Artinya semakin tinggi konsep diri yang dimiliki remaja maka, semakin tinggi pula kebermaknaan hidupnya. Sebaliknya semakin rendah konsep diri yang dimilikinya, maka semakin rendah pula kebermaknaan hidupnya. Hasil dari uji korelasi tersebut menunjukkan bahwa hipotesis diterima. Kata kunci : konsep diri, kebermaknaan hidup, remaja, Panti Asuhan.  SELF CONCEPT AND LIFE MEANINGFULNESS AMONG ADOLESCENTS IN ORPHANAGE Abstract This study aimed to empirically determine the relationship between self-concept and meaningfulness of life among adolescent girls in the orphanage Sunu Ngesti Tomo Jepara. The hypothesis proposed that there is a positive relationship between self-concept and meaningfulness of life in adolescents at the Orphanage. The populations in this study were all young residents of the orphanage under the Social Service Unit of Central Java Province. The samples in this study were juvenile orphanage residents Ngesti Tomo Jepara, aged between 15 to 21 years. The sampling method using purposive technique whereas the amount of samples amount was 51. Both variables in this study were measured using a scale of meaningfulness of life and self-concept. Data analysis technique used is product moment correlation technique.The results of analysis of data obtained correlation values rxy = 0.595 with p = 0.000 (p <0.01). This suggests there was a very significant positive relationship between self-concept and meaningfulness of life in adolescents at the Orphanage Sunu Ngesti Utomo Jepara. This means that the higher the self-concept that the adolescent has, the higher the meaningfulness of life. Conversely the lower the self-concept has, then the lower the meaningfulness of life. The results of correlation test showed that the hypothesis is accepted. Keywords: Self concept, meaningfulness of life, teenager, orphanage


2020 ◽  
Author(s):  
You jeong yoon ◽  
Yang won lee

&lt;p&gt;Recently in Korea, the fish catch of offshore waters recorded less than 1 million tons in 44 years due to climate change and drastic changes in the fishing environment. Therefore, it is essential to produce and provide accurate fishing forecast information, such as the location of fishing fields and the amount of fish production, that varies in time and space according to fishing conditions to enhance the competitiveness of the fishing industry. Since the factors affecting the fish catch have various and nonlinear relationships, so this study predicted the catch based on deep learning. The study was selected as the three major fish species of the Korean coast -- anchovy, mackerel and squid. The research area was selected as four fishing area. (One fishing area is 14 km * 14 km). In order to produce accurate forecasted fishing information, it is necessary to identify major marine weather and biological factors affecting the fish catch by fish species and artificial intelligence modeling using marine and weather satellite images. The satellite data used in the study are from the Korea Meteorological Administration (KMA). So far, research on the relationship between two or more factors and fish catches has been insufficient in the previous research, so this study may contribute to the prediction of fishing trends.&lt;/p&gt;


2016 ◽  
Vol 8 (9) ◽  
pp. 165 ◽  
Author(s):  
Zeinab Ebrahimzadeh ◽  
Mohammad Ali Goodarzi ◽  
Hassan Joulaei

<p>With the development of the antiretroviral therapy, the number of the people with HIV is increasing; therefore, identifying the factors affecting HIV is of great importance. This study aimed to investigate the relationship between the antiretroviral medication adherence and the rate of CD4 with depression and social support in the people with HIV. The research method was a descriptive study kind of correlation. The statistical population included all patients with HIV in Shiraz, of whom, 220 people who had referred to the Behavioral Diseases Consultation Center were selected using the available sampling method. Philips et al.’s Social Support Questionnaire, Beck's Depression Questionnaire II, and ACTG Medication Adherence Questionnaire were used as the research tools. Results were analyzed using the stepwise regression and stepwise hierarchical multiple regression. Regression analysis showed that social support and depression variables could predict totally 47% (P&lt;0.001) of changes of medication adherence variable, and depression could predict only 2% (P&lt;0.01) of rate variance of CD4.</p>


2018 ◽  
Vol 2 (03) ◽  
pp. 232-248
Author(s):  
Galih Andika Pratomo ; Rahadhian Prajudi Herwindo

Abstract- Architectural temples of the middle classical era such as Prambanan and Borobudur temples are thought to have inspired the temples in Indochina. It has become a common guess both among the tour guides in Cambodia or the researchers who reviewed the Khemer Kingdom Architecture. The existence of the relationship between the temple in Java and the temple in Cambodia is possible because Jayawarman II, who later build the kingdom of Khemer, once lived in Java when large middle classical temple style architecture was built. To find out the architectural connections of temples in Java and in Cambodia then the first thing to do is to know all the architectural unsurts in both temples. So the purpose of this study is to know the unsurts of spatial, plan, figures and temple ornaments of the middle classical era of Java and pre-Angkor temple era. This research is done by qualitative method of comparative. Qualitative research is applied by visiting and observing physical objects, then discussed using theories relating to research topics. While the object is selected using purposive sampling method, with the basic object of research is closely related to the style, wholeness and scale. Of the 80 points used in identifying architectural unsurts in the mass structure, floor plan, figures, and ornaments, the authors found 13 very similar points, 50 points to Bakong but not similar, and 17 points missing from Bakong. Based on these results the allegation that the temple of the middle classical era of Java has a relationship with the transitional era are becoming stronger. Key Words: morphology, architectural elements, Borobudur, Prambanan, Bakong


2019 ◽  
Vol 10 (2) ◽  
pp. 11
Author(s):  
Yudistira Yudistira ◽  
Jusmaldi Jusmaldi ◽  
Medi Hendra

Research on diversity and composition of fish at low tide and high tide condition in downstream Kelay River, District Berau, East Kalimantan is not yet know. The purpose of this research was to determine diversity and composition of fish that present at low tide and high tide condition in downstream Kelay River. In research using purposive sampling method and various sizes gill nets used. Results of this research shows that fish were collected at three locations sampling in downstream Kelay River consist of 14 species, 9 families, and 953 individuals. Based on the number of species, diversity Shannon-Wiener index and dominance index has stable of communities, with high value of diversity index (H'=1.975), high evenness index (E=0.749), and low value of dominance index  (D= 0.173). The number of fish species found at low tide were 11 species and at high tide were 12 species. The similarity index of fish species at low tide and high tide condition were 64.3%.


Author(s):  
Ernilasari Ernilasari ◽  
Rizky Ahadi ◽  
Cut Nadia Rahmi

Collembola functions as a bio-indicator of soil fertility, while maintaining the stability of nutrients and oxygen which are very beneficial for plants. However, the Collembola diversity in its habitat could be affected by mercury waste. This study aims to determine the diversity of Collembola species in the former mercury waste storage area of traditional gold mining in Ligan Village, Sampoiniet District, Aceh Jaya Regency. This research was conducted in June-July 2019 in 6 (six) locations in the former mercury waste storage area in Ligan Village, Sampoiniet District, Aceh Jaya Regency. The sampling was done by purposive sampling method using pitfall trap. Data were collected by comparing the morphological characteristics of Collembola by referring to Boror's (1996) identification book and analyzed with Diversity Index of Shannon Winner. There are 5 Collembola species found in the research location with Diversity Indek H '= 1.485323798 in the medium category. Mercury average levels found in the study site have exceeded the crisis concentration threshold with the value of 0.5111 mg/kg, which is assumed affecting the diversity of Collembola species in its habitat.


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