Benefits and risks of grouper sea-ranching in Karimunjawa National Park, Indonesia Yulianto, Irfan , 1978- Text theses Text Hochschulschrift 2015 2015 eng electronic resourceremoteComputermedienOnline-Ressourcetext/htmlapplication/pdfOnline-Ressource Illustrationen, Diagramme The high economic value of groupers caused fishermen to increase their effort, and as a consequence groupers are often heavily exploited. Several solutions have been implemented to solve this problem such as stock enhancement. The objective of this study was to examine the potentials and risks of grouper stock enhancement activities in Indonesia. The research was conducted in Karimunjawa Islands, Indonesia. To address the objectives, a fish length estimate underwater study, grouper stock assessment, grouper release experiment and monitoring the impact of the released fish were conducted. vorgelegt von M.Sc. Irfan Yulianto, Indonesien Rostock, Univ., Agrar- und Umweltwiss. Fak., Diss., 2015 639.37736 630 ZD 38100 48.68 http://rosdok.uni-rostock.de/resolve?urn=urn:nbn:de:gbv:28-diss2015-0191-6 http://rosdok.uni-rostock.de/resolve?urn=urn:nbn:de:gbv:28-diss2015-0191-6&pdf http://nbn-resolving.de/urn:nbn:de:gbv:28-diss2015-0191-6 Benefits and risks of grouper sea-ranching in Karimunjawa National Park, Indonesia--(DE-627)838725139 urn:nbn:de:gbv:28-diss2015-0191-6 oclc: 935976516 ppn: (DE-627)842376348