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All Journal Quagga Jurnal Bimbingan Konseling
Retno Wulandari
Universitas Negeri Semarang
Education

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Richness, Diversity, and Conservation Status of Bird Species in Maron Beach, Semarang, Indonesia Erik Prasetyo; Retno Wulandari
Quagga : Jurnal Pendidikan dan Biologi Vol 13, No 1 (2021)
Publisher : Program Studi Pendidikan Biologi, FKIP Universitas Kuningan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25134/quagga.v13i1.3664

Abstract

Birds are important species that play a role in maintaining ecosystem stability. The land-use functions by humans can cause decreasing diversity of bird species. The purpose of this study was to identify species richness, species diversity, and conservation status of birds in Maron Beach, Semarang. The research was conducted in January 2017 using the point count method by five points. Observations were made at 06.00 - 10.00 WIB with a duration of 15-30 minutes for each point. The results showed that there were 42 bird species from 20 families. The species richness index (R1) showed a 6.629 value which is classified as a high category. Diversity index (H ') showed 2,915 value which is classified as a medium category. Conservation status of bird species that were protected by PP No. 7 1999, there were 7 bird species. Protected bird conservation status by P 106 2018, there were 3 bird species. The conservation status by IUCN is classified into 2 categories, that were Near Threatened (NT) and Least Concern (LC). The conservation status of international trade according to CITES indicates that no species are included in the list, but most of the bird species are traded locally.
Investigation of conformity effect towards gang embeddedness in adolescents Retno Wulandari; Dwi Yuwono Puji Sugiharto; Siti Nuzulia; Shania Dea Menany Soputan
Jurnal Bimbingan Konseling Vol. 15 No. 1 (2026): April 2026
Publisher : Study Program of Guidance and Counselling, Post Graduate Program, Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jubk.v15i1.29203

Abstract

Gang embeddedness is a key concept for understanding the extent to which students are psychologically and socially tied to a youth gang. However, empirical studies on the factors influencing this involvement remain relatively limited, particularly within adolescent populations. This study aims to analyze the influence of conformity on gang embeddedness in adolescents. The conformity was measured using a scale developed from Myers  with Cronbach’s Alpha of 0.850, while gang embeddedness was measured using a scale based on Pyrooz et al. with Cronbach’s Alpha of 0.948). This study employed a quantitative method with a correlational design. A total of 109 students were selected using a purposive sampling technique. The data were analyzed using simple linear regression. The analysis showed that conformity has a significant positive influence on gang embeddedness (p < .001, β = 0.740). This indicates that the higher an adolescent's level of conformity, the deeper higher their involvement in a gang. This finding underscores the importance of guidance and counseling interventions in schools to develop critical thinking, assertiveness, and independent decision-making skills, thereby enabling adolescents to resist juvenile delinquency of peer pressure.
Co-Authors Dwi Yuwono Puji Sugiharto, Dwi Yuwono Puji Erik Prasetyo Shania Dea Menany Soputan Siti Nuzulia