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All Journal Jurnal Online Mahasiswa (JOM) Bidang Ilmu Ekonomi Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan
Ramadani Safitri
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Earth & Planetary Sciences Economics, Econometrics & Finance

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ANALYSIS OF MANGROVE FOREST AREA CHANGE USING LANDSAT IMAGE DATA IN ROKAN HILIR REGENCY RIAU PROVINCE Ramadani Safitri; Musrifin Ghalib; Efriyeldi '
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

The research has conducted in November 2016-April 2017 in Rokan Hilir Regency and was aimed to identify and inventory the data of mangrove forest area in 1994-2017 at Rokan Hilir Regency using Landsat image data analysis . The research was conducted by survey method. The quantitative method was used on the change of mangrove forest area observation. The result of 473 RGB composite on Landsat 5 and 564 RGB composite on Landsat 8 image showed the mangrove areas in 1994, 2004, 2007 and 2017 are 31,550 ha, 28,370 ha, 23,357 ha and 19,724 ha. There was a decrease of 3,180 ha in total of mangrove area in 1994-2004, in 2004-2007 was 5,013 ha and in 2007-2017 was of 3,633 ha which if added in the period of 23 years there was a decrease of 11,826 ha of mangrove area. The accuracy test of interpretation results and ground check results obtained a value of 100% accuracy, while the accuracy test between landsat images and the the results of classification obtained 95.6%.Keywords : Mangrove Forest, Change of Area, Landsat Image, Rokan Hilir
PENGARUH GREEN KNOWLEDGE, GREEN ENVIRONMENTAL CONCERN TERHADAP GREEN ATTITUDE DAN GREEN PURCHASE INTENTION PADA GENERASI Z DI KOTA PEKANBARU Ramadani Safitri; Restuti Sri; Jushermi Jushermi
Jurnal Online Mahasiswa (JOM) Bidang Ilmu Ekonomi Vol 9, No 2 (2022): (Juli - Desember)
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Ilmu Ekonomi

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Today's increasing public awareness, about how important it is to maintainenvironmental sustainability, has made many producers of various products begin toswitch to using materials that do not damage the environment or the term isenvironmentally friendly materials. One example is to preserve the environment and toprotect our earth today we need to choose from now on the products we will use. Withthat, it is necessary to start from the youth as the originator, namely Generation Z whowill start choosing products that are environmentally friendly. This study aims todetermine how much influence Green Knowledge, Green Environmental Concern has onGreen Attitude and Green Purchase Intention to Generation Z in Pekanbaru city.Primary data were collected using a questionnaire as an instrument and structuredinterviews were used as a complement in proving the results of the study. This study uses112 Generation Z in Pekanbaru City who intend to make purchases on environmentallyfriendly products as respondents with the Non-Probability Sampling technique. Themethod used is Explanatory Research with data analysis test, classical assumption test,hypothesis test, and path analysis as a data testing flow and assisted by SPSS applicationin terms of data processing. The results of this study indicate that: (1) Green Knowledgehas a positive and significant effect on Green Attitude (2) Green Environmental Concernhas a positive and significant effect on Green Attitude (3) Green Knowledge has apositive and significant effect on Green Purchase Intention (4) Green EnvironmentalConcern positive and significant effect on Green Purchase Intention Green Attitude haspositive and significant effect on Green Purchase Intention (5) Green Knowledge haspositive and significant effect on Green Purchase Intention through Green Attitude (7)Green Environmental Concern has positive and significant effect on Green PurchaseIntention through Green Attitude. Keywords: Green Knowledge, Green Environmental Concern, Green Attitude, GreenPurchase Intention, Generation Z
Co-Authors Efriyeldi, Efriyeldi Jushermi Jushermi Musrifin Ghalib Restuti Sri