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Investigation of Pollution from Land-Based Sources & Activities & their Impacts on the Marine Environment: Investigation of Pollution from Land-Based Sources & Activities & their Impacts on the Marine Environment: The Caroni River Basin. The Caroni River Basin.

The Institute of Marine Affairs (IMA) is investigating the impacts of pollution from land-based sources and activities of the Caroni River Basin (CRB) on the marine environment. Sources of pollution include agricultural and urban runoff, landfills and hazardous waste sites, sewage disposal/treatment facilities and extractive and manufacturing industries. In order to mitigate and control the impact of pollution on coastal and marine resources, it is essential that pollutant types and loads be identified. This involves determination of pollutant sources, concentrations and volumes. The land-based pollutants constituting the greatest threat to coastal and marine ecosystems and to public health are sewage, oil hydrocarbons, sediments, nutrients, pesticides, heavy metals, litter, marine debris and toxic wastes. This is also a Pilot Project (Phase 1) for the development of a National Programme of Action for the Protection of the Marine Environment from Land-based Activities. Trinidad and Tobago, in support of its concern for the environment, has participated in the development of UNEP's Protocol Concerning Pollution From Land-Based Sources and Activities (the LBS Protocol) to the Convention for the Protection and Development of the Marine Environment of the Wider Caribbean Region (the Cartagena Convention). The Protocol places an obligation on the contracting parties to take appropriate measures to prevent, reduce and control pollution of the Convention Area. It is expected that this Protocol will guide the formulation of national policies, plans and legal mechanisms for the prevention, reduction and control of pollution.

This project will investigate the types, sources, levels of pollution, fate of pollutants, and potential impacts on the marine environment. In addition, the project will investigate the impacts of physical alterations of habitats caused by land uses in the Caroni River Basin. The specific objectives of the project are to: · Identify land-based activities and sources which may contribute to pollution in the marine and related environment. · Identify levels and types of pollutants and determine the extent of pollution in the near shore marine environment. · Investigate the potential movement of pollutants in the marine environment. · Identify environmental impacts pertaining to land use/land cover on the marine environment. · Identify the impacts of habitat destruction and shoreline alterations on the marine environment. · Facilitate the integration of data collected by various research disciplines (through GIS) for enhanced analysis, interpretation and decisionmaking. · Assess policies, laws, regulations and institutional arrangements for the protection of the marine environment from land-based activities. · Recommend to the Government of the Republic of Trinidad and Tobago appropriate measures to prevent, reduce and control pollution.

Hydrological Modeling of the Caroni River Basin

Land Use/Land cover Distribution in the Caroni River Basin

3D view of Land use\Land cover of the Caroni River Basin

IMA Team Members Paul Gabbadon, Darryl Banjoo, Wendy Norville, Christine Bullock, Suresh Sookbir, Lloyd Gerald, Yosha Ragbirsingh, Rahanna Juman, Xiomara Chin, Gregory de Souza, Rosemary Lall, Vivian Rambarath-Parasram, Charmaine O'Brien-Delpesh.

Institute of Marine Affairs, Hilltop Lane, Chaguaramas, Box 3160, Carenage Post Office; Telephone: (868) 634-4291 to 4; Fax: (868) 634-4433; Email: director@ima.gov.tt; Website: http://www.ima.gov.tt

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