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Diversity and Feeding Guilds of Birds in Way Rilau Research Station, Core Block of KPH Batutegi, Lampung Province Iswandaru, Dian; Octavia, Anggi; Hidayat, Aris; Sari Dewi, Bainah; Huda, Robithotul; Subagio, Aris; Nedi; Ismail
Global Forest Journal. Vol. 4 No. 1 (2026): Global Forest Journal
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/gfj.v4i1.20201

Abstract

Protected forests are forest areas protected by law to maintain the balance of their ecosystems. The reciprocal relationship between birds and their environment can serve as an indicator of habitat condition, as birds are highly sensitive to environmental changes. The Way Rilau Research Station, situated in Lampung Province, is a protected forest that serves as a habitat for a diverse range of bird species. Therefore, the purpose of this research is to obtain data on species diversity, species richness, species evenness, and bird species dominance. Data collection in this study was conducted using a combination of point-count and line-transect methods. Observations were conducted in the morning (6–9 am) and the afternoon (3–6 pm). The results showed that 76 bird species from 37 families were recorded, totaling 382 individuals. The diversity index (H') value is 3,836, with a high category, and the species richness index (R) value is 13,370, which is categorized as high. The bird species evenness index (E) value is 0.886, which is classified as stable, while the species dominance index (C) value is 0.034, which indicates no species dominates. Based on the bird food guild type, the insectivore group dominates with 55 species (71.05%). The frugivore group with 12 species (17.11%), the carnivore group with four species (5.26%), the next dominance is the omnivore group with four species (5.26%), and the piscivore group with one species (1.32%)
The effect of information technology and service quality on customer loyalty of Bank Mandiri Jakarta Patra Jasa Branch Yusuf, Faif; Taufik, Ahmad; Hidayat, Aris
Priviet Social Sciences Journal Vol. 1 No. 2 (2021): August
Publisher : Privietlab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55942/pssj.v1i2.103

Abstract

The formulation of the problem in this study is whether there is a simultaneous influence of information technology and service quality on customer loyalty at Bank Mandiri's Jakarta Patra Jasa branch. The aim is to determine the effect of information technology and service quality simultaneously on customer loyalty at Bank Mandiri's Jakarta Patra Jasa branch. This research includes associative research which states the relationship between two or more variables. The sample taken in this study uses Simple Random Sampling with a total sample of 100 samples who are customers at PT Bank Mandiri (Persero), Tbk Patra Jasa Jakarta Branch. The data analysis method used was qualitative analysis, validity and reliability tests, multiple linear regression, f test (together test), and t test (partial test). The results of the study using multiple linear regression there is an influence between information technology and service quality simultaneously on customer loyalty . F test has an effect between information technology and service quality simultaneously on customer loyalty . The t test (partial test) has an influence between information technology on customer loyalty and there is an influence between customer satisfaction and customer loyalty.