Hydrometeorological Parameters and Space Temporal Variation of Hydrological Parameters in GuacanayaboÂ´s Gulf, Cuba, Relation to Pink Shrimp ( Farfantepenaeus notialis ) Catches Decrease
Manuel de J. Flores-Montes2
1. Fisheries Research Centre 5th Ave and 246 Barlovento, Sta. Fe, Playa, Ciudad Habana, Cuba
2. Pernambuco Federal University, Technology and Geoscience’s Centre, Oceanography Department, Recife, Brazil
International Journal of Marine Science, 2014, Vol. 4, No. 20 doi: 10.5376/ijms.2014.04.0020
Received: 23 Nov., 2013 Accepted: 20 Dec., 2013 Published: 11 Mar., 2014
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Preferred citation for this article:
Garcés et al., 2014, Hydrometeorological Parameters and Space Temporal Variation of Hydrological Parameters in Guacanayabo´s Gulf, Cuba, Relation to Pink Shrimp (Farfantepenaeus notialis) Catches Decrease, International Journal of Marine Science, Vol.4, No.20: 183-193 (doi: 10.5376/ijms.2014.04.0020)
The hydrological parameters of Guacanayabo’s gulf are described. Monitoring campaigns were made in 2008-2009 period, with a total of 11 expeditions: three of them in spring (April/May 2008 and May 2009), five in summer (June/July/August 2008 and June/July 2009) and three in autumn (September/November 2008 and October 2009). Samples were taken in situ at both surface and bottom to monitoring water temperature (?), salinity (psu), dissolved oxygen (mg/L) and chemical oxygen demand (COD).The aim of this study is to analyze hydrological conditions variations and its possible influence in decrease of shrimp catches of Farfantepenaeus notialis in Guacanayabo’s Gulf. The results show the influence of climatic seasonality (dry and rain) in spatial distribution and seasonality of hydrological parameters. In general, seasonal and annual means are considered of GOOD quality, following Cuban Standardization NC-25 (1999) for fishing use. Although not statistical comparison was made, there are slight changes in salinity and higher tendency of decrease of dissolved oxygen when compared with the literature reported values for previous decades. The dissolved oxygen was the most variable marker, which suggests that in this system, there is an alteration, mainly in water oxygenation and that had an impact in the abundance decrease of the pink shrimp in Guacanayabo´s Gulf. No other considerable hydrological change seems to influence the general abundance of the fishing resource in the Gulf. However, the spatial differences that exist between the South and the North region do influence it.
Pink Shrimp; Spatial and temporal variability; Fishing resource; GuacanayaboÂ´s Gulf; Cuba