TAILIEUCHUNG - Pesticide Residues in Coastal Tropical Ecosystems: Distribution, fate and effects - Chapter 14

Vị trí địa lý và địa hình Với hai hòn đảo chính và các phím nhỏ, quần đảo Cuba nằm ở vùng biển Caribê nhiệt đới giữa Lạt. 19 ° 47'36 "đến 23 ° 17'09" N, Long. 80 ° 53'55 "đến 84 ° 57'54" W. Nó có một khu vực diện tích km2 (National Geographic Society, 1981) và hai hòn đảo chính chủ yếu là bằng phẳng. Chỉ có 21% diện tích đất của Cuba là miền núi, điều này là tập trung ở ba lĩnh vực ở phía đông, trung ương, và các tỉnh miền Tây. Chiều cao của. | Chapter 14 Pesticide use in Cuban agriculture present and prospects Gonzalo Dierksmeier Pura Moreno R. Hernandez and K. Martinez OVERVIEW Geographical location and topography With two major islands and many small keys the Cuban archipelago is situated in the tropical Caribbean Sea between Lat. 19 47 36 to 23 17 09 N Long. 80 53 55 to 84 57 54 W It has a land mass area of 114 524 km2 National Geographic Society 1981 and the two main islands are predominantly flat. Only 21 percent of Cuba s land area is mountainous and this is concentrated in three areas in the eastern central and western provinces. The mountain s heights vary between 200 and nearly 2 000 meters. The three mountainous regions covered by dense forest are the source of many of the watersheds and rivers of Cuba. They are economically important for the valuable timber and other useful plants fruit trees and medicinal shrubs found there. Coffee and some other minor crops . banana small-scale production only are planted in some areas of the mountains. Primarily Cuba is one large savannah with the exception of a few small wetlands covering about 4 percent of the total land mass and located almost exclusively in the southern portion of the two main islands. The largest of these two wetlands Ciénaga de Zapata southwest central part of the largest island is a protected region because of its biodiversity. The greater part of the savannah has fertile soils and is primarily agricultural Academia de Ciencias de Cuba 1992 . Geology The Cuban archipelago formed at the end of the Eocene period and its present shape was determined by tectonic plate movement. In general the region has a low level of seismic activity only in the eastern portion of the main island does sporadic seismic activity occur Atlas Nacional de Cuba 1970 . Climate The Cuban climate is typical of Caribbean islands in that it is hot and humid with only two well-defined seasons summer and winter. In summer the daily average 2003 Milton D. .

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