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Detailed Ecological Assessment Report 2008 – Keenjhar Lake pollution from agricultural and domestic waste. Oil spills from motorized boats directly affect the phytoplankton and algal vegetation. To further strengthen these findings further studies should be conducted to monitor the growth, production and degradation of phytoplankton and algal vegetation. The community must be educated about the importance of phytoplankton as an integral part of the food chain. Care must be taken during fishing season to maintain the flora and fauna of the sea. 3.7 Zooplankton 3.7.1 Sampling locations Map 11 shows the sampling point for zooplankton collection from Keti Bunder. Details of the sampling points can be found in the annexure document. Map 11 – showing the sampling points for zooplankton collection at Keti Bunder 3.7.2 Summary The crustaceans captured from the Keti Bunder were catalogued and identified at the lowest taxonomic level, which in most of the cases was the species, and in some cases, genus for that species. As most of the prawns captured from the area WWF Pakistan – Indus for All Programme Page 103 of 188
Detailed Ecological Assessment Report 2008 – Keenjhar Lake belong to the genus Macrobrachium it is therefore vital to briefly discuss this economically imperative decapod genus, which, owing to its high fecundity, appropriate size and adaptability in the cultural practices has been a distinct focus of the prawn farmers and fisheries activities globally since decades. Following is its taxonomic hierarchy. Table 22 – Data of aquatic invertebrates collected from Keti Bunder during the summer and winter surveys Aquatic invertebrate groups Decapoda Copepoda 3.7.3 Species account Locality (Coordinates) Season Date N 24 15’ 016’’ E0 67 20’ 675’' Summer 12-06-07 N 24 14’ 776’’ E 067 20’ 298’’ Summer 13-06-07 N 24 07’ 343’’ E 067 26’ 929’’ Summer 13-06-07 N 24 04 ’ 823’’ E 067 34’ 202’’ Winter 11-11-07 N 24 04’ 778’’ E 067 34’ 130’’ Winter 12-11-07 N 24 01’ 390’’ E 067 27’ 891’’ Winter 13-11-07 N 24 03’ 857’' E 067 37’ 927’’ Summer 13-06-07 N 24 04’ 798’’ E 067 34’ 063’’ Summer 12-04-07 N 24 00’ 230’’ E067 25’ 399’’ Winter 11-11-07 N 24 01’ 180’’ E 067 28’ 296’’ Winter 12-11-07 N 24 04 ’ 816’’ E 067 34’ 168’’ Winter 13-11-07 Phylum: Arthropoda Latreille, 1829 - arthropods Subphylum: Crustacea Class: Malacostraca Latreille, 1802 Subclass: Eumalacostraca Grobben, 1892 Superorder: Eucarida Calman, 1904 Order: Decapoda Latreille, 1802 Suborder: Pleocyemata Burkenroad, 1963 Infraorder: Caridea Dana, 1852 Family: Palaemonidae Subfamily Palaemoninae Genus: Macrobrachium (De Man, 1879) • Penaeus indicus Phylum : Arthropoda Class : Crustacea Series : Eumalacostraca Superorder : Eucarida Order : Decapoda Suborder : Natantia Infraorder : Penaeidea Superfamily : Penaeoidea Family : Penaeidae Genus : Penaeus Subgenus: Fenneropenaeus Species : indicus Image 19 – Penaeus indicus WWF Pakistan – Indus for All Programme Page 104 of 188
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