Now showing items 3213-3232 of 5507

  • Lake Turkana limnologlcal study 1985-1988. 

    Kallqvist, T.; Lien, L.; Liti, D. (Norwegian Institute for Water Research & Kenya Marine and Fisheries Research InstituteOslo, Norway, 1988)
    The lake level was declining during the study and reached the lowest level ever recorded in 1988. The salt content was increasing and conductivity reached ca.380 mS/m in 1988. Annual temperature variations were small but ...
  • Lake Turkana National Parks Kenya. 

    United Nations Environment Programme (United Nations Environment ProgrammeNairobi, Kenya, 2005)
    Lake Turkana is the largest, most northerly and most saline of Africa's Rift Valley lakes and an outstanding laboratory for the study of plant and animal communities. The three National Parks are a stopover for migrant ...
  • Lake Victoria Water Levels. 

    Okungu, J.O.; Okonga, J.R.; Mngodo, R.J.; Sangale, F.D.; Senfuma, N.; Mjengera, H.; Sewagude, S.; Mwembembezi, L. (Ministry of Water and IrrigationKisumu, Kenya, 2005)
    The purpose of this brief report is to explain the reasons behind the falling lake levels, predict future trends and suggest remedial measures.
  • Lake Victoria: the Changing Lake. 

    Mwirigi, P.; Rutagemwa, D.; Gikuma-Njuru, P.; Njuguna, H.; Matovu, A.; Waya, R.; Mwebaza-Ndawula, L.; Ssenfuma-Nsubuga, M.; Kinobe, J.; Abuodha, J.; Hecky, R. (Lake Victoria Environment Management Project (LVEMP)Kisumu, Kenya, 2005)
    Water quality monitoring activities were carried out on physical-chemical parameters, water chemistry and biotic indices at selected littoral and pelagic stations along north-south and east-west transects over an annual ...
  • Lake Victoria’s Nile Perch Fish Cluster: Institutions, Politics and Joint Action. 

    Mitullah, W. (Institute of Development Studies, University of NairobiNairobi, Kenya, 2000)
    The collective efficiency model contends that joint action is essential for coping with new challenges. This paper discusses how enterprises in the Lake Victoria fish cluster operate, interact and address common challenges ...
  • Lakes water quality monitoring and management programme in developing countries 

    Mutia, Silas M (2006)
    Developing Countries face an array of traditional and modern lakes water quality problems ranging from faecal contamination to toxic chemicals. Moreover, they do so in an economic environment that is severely restricted, ...
  • Land Based Activities and Sources of Pollution to the Marine, Coastal and Associated Fresh Water Ecosystems in the Western Indian Ocean Region 

    Francis, J.; Mmochi, A.J. (2003)
    The lack of infrastructure and treatment facilities for the large quantities of domestic sewage generated by expanding coastal urban populations, and an increasing number of visiting tourists, represents the greatest threat ...
  • Land use and Coastal Management in the third Countries; Egypt as a case 

    Hamza, W. (2003)
    Although the aspects of both land use and coastal management represent part of the larger concept of sustainable development, the strength and interest with which these aspects are received varies considerably among ...
  • Land use in Kenya 

    Consultants for Natural Resources Management (2000)
    This book exposes the key land use and environmental problems facing Kenya today due to lack of an appropriate national land use policy. The publication details how the air is increasingly being polluted, the water systems ...
  • Land, Sea and People in the New Millennium. 

    Unknown author (Sancor, 2000)
    The present study was undertaken to investigate the observation that dolorite and shale shores in the Transkei tended to have less algal cover and to support more grazers than sandstone shores. The structure of rocky ...
  • Land-Based Activities, Pollution Sources and Levels in Water and Sediment in the Coastal and Marine Area of Kenya:draft report. 

    Munga, D.; Mwangi, S.; Kamau, J.; Nguli, M.; Gwada, P.; Daudi, L.; Ong'anda, H.; Mwaguni, S.; Massa, H.; Tole, M.; Onyari, J.; Makopa, J.; Gachanja, A.; Opello, G.; Kheir, A.; Machua, S. (Kenya Marine and Fisheries Research InstituteMombasa, Kenya, 2006)
    Kenya has a land area of 580,000 km2 and lies astride the equator. It has a coastline bordering the Indian Ocean, which runs about 600 km long in a south-westerly direction with varying, marine and coastal wetlands rich ...
  • Langjährige Pegelaufzeichungen im Río Magdalena (Kolumbien). 

    Kaufmann, R.; Reichelt, W. (INVEMAR, Santa Marta (Colombia), 1967)
    Se informa sobre mediciones fluviométricas realizadas durante veinte años en el curso inferior del Río Magdalena. El nivel inferior anual se presenta en marzo, el nivel superior de aguas en los meses noviembre/diciembre. ...
  • Las langostas chinas (Crustacea: Decapoda: Scyllaridae) del Caribe colombiano 

    Navas-S., G.R.; Campos-C., N.H. (Santa Marta (Colombia), INVEMAR, 1998)
    Se registran seis especies de langostas chinas (Crustaceae: Scyllaridae) del Caribe colombiano y se incluyen una diagnosis de cada una y una clave para su identificación. De estas, cuatro se registran por primera vez para ...
  • Las langostas chinas (Crustacea: Decapoda: Scyllaridae) del Caribe colombiano 

    Campos C., N. H.; Navas S., G. R. (INVEMAR, Santa Marta (Colombia), 1998)
    Se registran seis especies de langostas chinas (Crustaceae: Scyllaridae) del Caribe colombiano y se incluyen una diagnosis de cada una y una clave para su identificación. De estas, cuatro se registran por primera vez para ...
  • La langouste rose Palinurus mauritanicus de Mauritanie : Biologie, pêche et état du stock 

    Kojemiakine, A.; Diop, M. (IMROP, 1990-12)
    Résumé : La biologie de la langouste rose des côtes mauritaniennes est aujourd’hui bien connue. Nous avons cependant rappelé les traits marquants. Sur le plan de la pêche, de 1963 à 1988, le stock de la langouste rose a ...
  • Large Marine Ecosystems Concept Applied to Managing Offshore Zones and Marine Resources: Kenya's Contribution. 

    Okemwa, Ezekiel; Ntiba, M. (The Law of the Sea Institute, William S. Richardson. School of Law, University of HawaiiHonolulu, Hawaii, 1992)
    The Kenya coast represents one of the most unique biotic regions of the world, containing a wide variety of ecosystems: mangrove forest, seagrass, coral reef, and open sea. A rich diversity of plants and animals, many ...
  • A large oceanic puffer fish rare in tunisian waters 

    Nakamura, I.; Hattour, A.; Nguira, A. (INSTM, 2004)
    On January and April, 2004, 4 large oceanic puffer fish (total length 45 to 73.5 cm with body weight 1.12 to 3.2 kg) was caught by the small trammel net, off Tunisian coasts (gulf of Tunis, Monastir and Salakta) and brought ...
  • Large Scale Sportfish Tagging Programs : Pros and Cons 

    Pepperell, J.C. (IOTC, 2000)
    Tagging of fish by fishery participants, both recreational and commercial, is a popular activity. It gives the fisher a sense of participation in a scientific activity which will add to knowledge about their target species. ...
  • Larval and juvenile growth of two Patagonian small pelagic fishes: Engraulis anchoita and Sprattus fuegensis 

    Brown, D.R.; Sánchez, R.P. (2010)
    Patagonian anchovy (Engraulis anchoita) and sprat (Sprattus fuegensis) constitute the two most important pelagic resources of the Argentine Patagonian shelf (SW Atlantic). Age and growth parameters of larvae and juveniles ...
  • Larval rearing techniques and stock enhancement of silver seabream (Rhabdosargus sarba) in Mauritius 

    Baccus, H.; Ramsaha, S.; Rathacharen, S.; Hassea, R.; Auliar, I.; Codabaccus, B. (2005)
    The silver sea bream (Rhabdosargus sarba), has great commercial value in Mauritius. The species is a potential candidate for aquaculture. The sea bream, a winter spawner, was successfully induced to breed in captivity with ...