Environmental conditions of the Suape estuarine-port complex area (Pernambuco, Brazil): phytoplankton biomass and hydrological parameters

The Suape coastal zone has suffered since the 1980s the effects of anthropogenic action due to the construction of the industrial complex of Suape. This work aimed to evaluate the environmental conditions and possible eutrophication processes of the area. Six campaigns were carried out, three in the...

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Bibliographic Details
Published in:Journal of the Marine Biological Association of the United Kingdom 2019-03, Vol.99 (2), p.291-301
Main Authors: Cordeiro, Isis Amália, Feitosa, Fernando Antônio Do Nascimento, Flores Montes, Manuel De Jesus, Otsuka, Amanda Yumi, Costa Silva, Alex
Format: Article
Language:English
Subjects:
Acidification
Anthropogenic changes
Anthropogenic factors
Area
Biomass
Brackishwater environment
Chlorophyll
Chlorophyll a
Coastal zone
Coastal zones
Coasts
Construction industry
Dissolved oxygen
Dry season
Environmental changes
Environmental conditions
Estuaries
Estuarine environments
Eutrophication
High tide
Hydrology
Low tide
Mineral nutrients
Neap tides
Nutrient content
Nutrients
Oxygen content
Phytoplankton
Plankton
Ports
Rainy season
Salinity
Salinity effects
Salts
Saturation
Seasonal variation
Seasonal variations
Seasons
Silicates
Statistical analysis
Temperature
Transparency (optical)
Water analysis
Water sampling
Water transparency
Wet season
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Summary:The Suape coastal zone has suffered since the 1980s the effects of anthropogenic action due to the construction of the industrial complex of Suape. This work aimed to evaluate the environmental conditions and possible eutrophication processes of the area. Six campaigns were carried out, three in the dry season (November 2015, January and April 2016) and three in the rainy season (July 2015, July and August 2016). Water samples were collected at the surface during low tide and high tide, in neap tides. Salinity ranged from 19.75 to 37.20, the dissolved oxygen rate ranged from 61.75 to 125.90% and chlorophyll-a from 0.02 to 3.48 mg m−3. Water transparency, temperature, nitrate and silicate presented significant seasonal variation, the concentrations of nutrients being higher in the rainy season and the others in the dry season. Water transparency, salinity, dissolved oxygen saturation and chl-a
ISSN:0025-3154
1469-7769
DOI:10.1017/S0025315418000176