Results 81 to 90 of about 2,165 (248)
Limnological aspects of three man-made lakes in Sri Lanka [PDF]
, 1996 An investigation was undertaken to study the physicochemical characteristics, phytoplankton and fish fauna of three major deep lakes on the River Mahaweli: Kotmale, Victoria and Randenigala.
Silva, Kumari De
core
Parasite fauna of the tench, Tinca tinca (L.) from selected lakes of the north-western regions of Poland [PDF]
Acta Ichthyologica et Piscatoria, 1998 In the tench collected from three lakes of the north-western region of Poland, namely: lake Ińsko, lake Mielno, and lake Woświn, a total of 20 parasite species was recorded.
J. Wierzbicka, E. Sobecka, D. Gronet
doaj +3 more sources
Brazilian Archives of Biology and Technology, 2006 One hundred and forty-eight specimens of Prochilodus lineatus (Valenciennes, 1836) were collected on the Upper Paraná River floodplain, Brazil. Kritskyia boegeri presented significant differences in the abundance according to the host stage of gonadal ...
Maria de los Angeles Perez Lizama +2 more
doaj +1 more source
, 1984 The female of Ergasilus hydrolycus n. sp. is described from specimens taken from the gills of an Amazonian fish, Hydrolycus scomberoides (CUVIER). The new species is similar to E. bryconis THATCHER, 1981, and to E. jaraquensis THATCHER & ROBERTSON, 1982,
Boeger, W., Robertson, B., Thatcher, V.
core
A review of recent advances in commercial tilapia culture [PDF]
, 1987 The paper introduces the tilapias as important culture fish; their classification, breeding habits and general ecology are discussed. The versatility and plasticity of their reproduction and growth are major advantages as well as draw backs in their use ...
Sagua, V.O.
core
STRATEGIC MANAGEMENT a€“ CASE STUDY: THE WATER SUPPLY SYSTEM IN GREAT BRITAIN [PDF]
A range of alternatives are available to water companies in the UK (United Kingdom) for reducing future water supply deficits, each having different implications in terms of environmental impacts (both positive and negative), level of service provided ...
Sabie (Abaluta) Oana Matilda
core
Effects of Mosquito Control Chemicals on Aquatic Fauna [PDF]
, 1974 No mosquito abatement districts have ever been organized in Arkansas. Mosquito control efforts have been largely adulticiding operations by either aerial application or ground thermal fogging machines.
Lancaster, J. L., Jr., Meisch, M. V.
core +2 more sources
Ciência Rural, 2016 : In March 2010, 44 specimens of Astyanax altiparanae Garutti & Britski, 2000, commonly known as "lambari do rabo amarelo", collected from the Peixe river in the state of São Paulo, Brazil were analyzed.
Aline de Almeida Camargo +5 more
doaj +1 more source
, 1983 The female of Acusicola pellonidis n. sp. (Copepoda : Cyclopidea) is described from the gills of an Amazonian fish, Pellona castelnaeana (VALENCIENNES).
Boeger, W., Thatcher, V.
core
Guide to the freshwater fauna of Ceylon (Sri Lanka). Supplement 4 [PDF]
, 1974 In the present supplement, where records in the past have been few in a group, new records are given of localities both as regards species previously recorded from Sri Lanka and especially for new records. This gives the new records more standing and may
Fernando, C.H.
core