Location: 1-ª16’S, 132-ª15’E; 120 km ESE of Sorong, Kepala Burung, Irian Jaya. Area:c.1,500 ha. Altitude:c.250m. Site Description A 20 metres deep, 2,200 hectare blackwater lake in a rather flat terrain, located at about 250 metres altitude (Giesen, 1994). In the wetter months (April-Jume) the lake can rise by up to 5 metres from its dry season level; it never dries out completely, but the shoreline recedes several hundred metres. It has a muddy bottom, and the sediments of the shores are reportedly ‘putih’ (i.e.white, either sand or kaolin clay). There are seven small villages around the lake, and most adult male inhabitants (50-100) are (part-time) fishermen. Vegetation: Waterhyacinth was introduced to the lake in 1980s, but it cover only a small part of the lake. Formerly there were two species of submerged macrophyte (species not reported), but these disappeared or became very scarce after the introduction of Common Carp. Fish & fisheries: Common Carp (Cyprinus carpio) was accidentally introduced to the lake in 1969, when fish kept in ponds escaped during floods. As a result, one small, thumb-sized species of fish, ikan halus (local name=bobok) has reportedly become extinct because of the disappearance of its habitat (the submerged macrophytes). The two species of Melanotaenia have apparently not been affected. Other species occuring in the lake are ikan sembilang hitam (a thorny catfish), ikan tet(?), ikan cepat(?) and possibly three species of large freshwater prawns, which local have named according to their colour: udang biru (blue), udang hitam (black), and udang putih (white, but occasionally with some reddish-orange). The fisheries are based on the ikan sembilang, prawns, ikan tet, ikan cepat, Common Carp and formerly also ikan halus. Other species: Crocodiles do not occur in the lake, but waterbirds are numerous, including egrets, ducks and Balck-winged Stilt (himantopus leucocaphalus). Black-necked Stork (Ephippiorhynchus asiaticus) and Sacred Ibis (Threskiornis aethiopicus) are reportedly seasonal migrants, usually arriving in April-May. Royal Spoonbill (Platalea regia) also occur throughout the year, albeit in small numbers. Hunting occurs, especially of the ducks and storks.
List of Birds (21 species)
Species Red Data Book Cites Anas penelope Anas superciliosa Anhinga melanogaster Lower Risk Chlidonias hybridus Egretta garzetta Egretta intermedia Ephippiorhynchus asiaticus App I Gallinula tenebrosa Haliastur indus App II Himantopus leucocephalus Irediparra gallinacea Ixobrychus flavicollis Ixobrychus sinensis Pelecanus conspicillatus Phalacrocorax sulcirostris Platalea regia
Born in the Netherlands on 23-04-1940 and passed away in Bali on 25-05-2015. Farelli was the pseudonym of a remarkable man who was infused with an obsessive desire to create things that did not yet exist. Born in the Netherlands in 1940 Dolf Versteegh left his home country in 1990 in order to start a new life on the Island of Bali. Without any formal education he reinvented himself as an architect, as a designer of furniture, as a sculptor and as a writer.
As a teenager Dolf spent only three years in High School but he kept studying history and the natural world all his life and during his last 25 years on Bali he revealed himself not only as versatile artist but also as a formidable scholar of biology.
Farelli was a prolific creator of web content and what he has left behind will remain standing as a great monument to his creative spirit, his ingenuity and his never-ending search for knowledge.