Journal of Coastal Zone Management

Cornelius Hammer

Publications

• Research Article
  Potential and Risk of Grouper (Epinephelus spp., Epinephelidae) Stock Enhancement in Indonesia
  Author(s): Irfan Yulianto*, Cornelius Hammer, Budy Wiryawan and Harry W PalmIrfan Yulianto*, Cornelius Hammer, Budy Wiryawan and Harry W Palm
  
  Indonesia is one of the countries in Asia region that plays an important role in the grouper supply. Grouper production in Indonesia increased 5-fold within two decades aside a continuous increase in grouper demand. To enhance grouper yield, the Indonesian Government initiated stock enhancement programmes releasing cultured grouper into the natural habitats. The purpose of the present study was to examine the impact of grouper stock enhancement onto natural grouper populations in Karimujawa National Park, Indonesia and to monitor the potential risks involved. Experimental release of 10 cm cultured Epinephelus fuscoguttatus (brown-marbled grouper) from the backyard multi-species hatchery system was monitored using underwater visual census and fish-catch monitoring. As a result, it was found that the greatest peril for the released grouper of 10 cm length was falling immediately prey to.. View More»
  DOI: 10.4172/2473-3350.1000394

  Abstract PDF