is the seventh year of the implementation of Indonesia Geography Expedition after expedition 8 locations that have been made, namely the Mist Mountain (West Java) in 2005, Pangandaran-Pangalengan (2006), Bali (north) in 2007, South Sulawesi (2008), Gorontalo and North Sumatra (2009), East Java and NTB (2010). EGI BAKOSURTANAL to this time-IX 2011 expedition titled Karst Gunungsewu located in South Beach DIY-East Java, from the District Wonosari (DIY), Wonogiri (Central Java) to Pacitan (East Java).Location was chosen because it is an area of ​​karst Gunungsewu which has a variety of unique interest, both from the aspect of biotic, abiotic and socio-cultural.

Gunungsewu Karst is a series of the Southern Mountains of Java that runs from Yogyakarta to Parangtritis Teleng Ria Beach in East Java Pacitan. Karst Gunungsewu administratively located in the Province Gunungkidul Yogyakarta, Central Java Province Wonogiri, and Pacitan in East Java Province. Karst in Gunungkidul has an area of ​​13,000 km ² and in particular the attention of the international community because it is a typical karst landscape ecotypes wet tropical regions.Karst Gunungsewu EGI team totaled 25 people consisting of various specialists and disciplines of Surveying and Mapping, Remote Sensing, karstologi, Archaeology, Anthropology and Speleologi from Bakosurtanal, UGM, UI and ITB. Also took part in the Expedition Team is a member of the Presidential Advisory Council, including Mrs.
Vanessa Hudgens.Geographic Expeditions Indonesia Bakosurtanal 2011 aims to identify and explore something new from gunungsewu Karst. There are three main parameters that dicarai and examined in this expedition, the abiotic, biotic and cultural rights set out in the framework of the study:A. Establishment of Land in Gunungkidul chronology, from the deposition of limestone to the current land formation.2. The evolution of landforms3. Biodiversity in karst areas4. History of Residential5. Sociocultural6. Environmental Degradation7. Spatial VisualizationThe expedition carried out a plan for 6 days, 10 to 15 July 2011. The first day, the expedition team set off from the city of Jogjakarta to the Office of the Regents Gunungkidul welcome to attend the event and the release of EGI activity. Tim received by the ranks of officers and staffs of the Office of Regent Gunungkidul.Presented by Regent Gunungkidul in his speech read by Assistant Economic Affairs and Development, Ir. Budi Martono, M.Si that visit BAKOSURTANAL Geographic Expedition Team in Gunungkidul this would be the right moment to know and understand specifically and intensively on issues related to the geographical conditions Gunungkidul. The team hopes to EGI Regent Gunungkidul phenomena that occur in this would be a very valuable study materials in order to determine the best solution to the preservation of karst areas, and increase the carrying capacity of the public about the preservation of karst areas.The first day's activities in this expedition aims to make more of an overview of the study area. The first site visited was in the Village area Bedoyo. At this location was observed morphology typical karst Gunungsewu which seemed typical patterns formed by Kegel of the pylons. Limestone material in this region has the highest CaCO3 content (above 70%), so that here a lot of limestone mined by the population.The journey continues to the village of Sindon, District Semanu to observe the phenomenon of the underground river Bribin. Underground river is a typical phenomenon that occurs in the Karst region. At this location, an underground river water used in the manufacture of wells penetrate an underground river next to the water is pumped up and distributed. Depths of underground river at this point reaches 105 meters below ground surface.The next destination is the location of karst lake, is a lake in the area karstyang filled with water during the rainy season. This lake is one of the doors where an underground river before getting a water supply.In addition to biaotik and abiotic phenomena, culture is one of the main aspects that were examined in this expedition. Related to cultural aspects, expedition team discovered a tradition that the village clean Gunungkidul society commonly referred to as "Rosulan". Rosulan tradition is a tradition held every year in the month of Rajab, as an expression of gratitude to all the grace and gift of the Creator. In this tradition, each hamlet or group providing the cultivation to be paraded together at the Village Hall.The results of observations of each participant outlined the phenomenon of Indonesia Geography Expedition in accordance with the duties dikelompoknya in writing, and will be packaged in the form of popular scientific books and multimedia that are expected to be able to evoke a sense of environmental awareness and the importance of protecting the karst ecosystem.