Pengaruh Pengetahuan Lingkungan, Kepedulian Lingkungan Dan Sikap Terhadap Niat Beli Produk Hijau The Body Shop

This study aims to analyze the influence of environmental knowledge, environmental awareness and attitudes towards purchase intention of The Body Shop's green products. The population in this study were students of the Muhammadiyah University of Surakarta, while the samples used in this study were students who had never bought green products from The Body Shop. This study used a sample of 100 respondents. Sampling in this study was conducted using purposive sampling technique and the data used were primary data in the form of a questionnaire. The data analysis method used is multiple linear analysis with several variables, namely environmental knowledge, environmental awareness, attitude, purchase intention. Based on the results of the study, it shows that environmental knowledge has a significant positive effect on purchase intention for green products with a significance value of 0.001 less than 0.05. Environmental concern has a significant positive effect on purchase intention for green products with a significance value of 0.033 which is less than 0.05. Attitude has a significant positive effect on purchase intention for green products with a significance value of 0.027 which is smaller than 0.05. The coefficient of determination is 0.431 which indicates that environmental knowledge, environmental awareness and attitudes have an influence on purchase intention by 43.1% and the rest is influenced by other factors outside the variables studied

The long and the short of it: a global analysis of hawkmoth pollination niches and interaction networks

Proboscis length has been proposed as a key dimension of plant pollination niches, but this niche space has not previously been explored at regional and global scales for any pollination system. Hawkmoths are ideal organisms for exploring pollinator niches as they are important pollinators in most of the biodiverse regions of the earth and vary greatly in proboscis length, with some species having the longest proboscides of all insects. Using data sets for nine biogeographical regions spanning the Old and New World, we ask whether it is possible to identify distinct hawkmoth pollination niches based on the frequency distribution of proboscis length, and whether these niches are reflected in the depths of flowers that are pollinated by hawkmoths. We also investigate the levels of specialization in hawkmoth pollination systems at the regional and community level using data from interaction network studies. We found that most regional hawkmoth assemblages have bimodal or multimodal distributions of proboscis length and that these are matched by similar distributions of floral tube lengths. Hawkmoths, particularly those with longer proboscides, are polyphagous and at the network level show foraging specialization equivalent to or less than that of bees and hummingbirds. In the case of plants, shorter-tubed flowers are usually visited by numerous hawkmoth species, while those that are longer-tubed tend to exclude shorter-proboscid hawkmoths and thus become ecologically specialized on longer-proboscid hawkmoth species. Longer-tubed flowers tend to have greater nectar rewards, and this promotes short-term constancy by long-proboscid hawkmoths. Our results show that pollinator proboscis length is a key niche axis for plants and can account for the patterns of evolution in functional traits such as floral tube length and nectar volume. We also highlight a paradoxical trend for nectar resource niche breadth to increase according to proboscis length of pollinators, while pollinator niche breadth decreases according to the tube length of flowers.Fil: Johnson, Steven D.. University of KwaZulu Natal; SudáfricaFil: More, Marcela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; ArgentinaFil: Amorim, Felipe W.. Universidade Estadual Paulista Julio de Mesquita Filho; BrasilFil: Haber, William A.. Monteverde; Costa RicaFil: Frankie, Gordon W.. University of California Berkeley; Estados UnidosFil: Stanley, Dara A.. University of KwaZulu Natal; SudáfricaFil: Cocucci, Andrea Aristides. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; ArgentinaFil: Raguso, Robert A.. Cornell University; Estados Unido