BUBA, S. A; ABDULKARIM, M.; MANCHA, Y. P.; YUSUF, Z. A.; MAHMOOD, S.; MAGAJI, I. M. ORGANOLEPTIC, BIOCHEMICAL, AND MICROBIAL ANALYSES OF BRYCINUS NURSE PROCESSED USING DIFFERENT SOURCES OF ENERGY . Nigerian Journal of Fisheries, [S. l.], v. 18, n. 1, p. 2137–2140, 2021. Disponível em: https://fisonjournal.org.ng/index.php/njf/article/view/91. Acesso em: 6 aug. 2026.

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        <full_title>Nigerian Journal of Fisheries</full_title>
        <abbrev_title>NJF</abbrev_title>
        <issn media_type="print">1597-443X</issn>
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        <publication_date media_type="online">
          <month>07</month>
          <day>30</day>
          <year>2026</year>
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          <volume>23</volume>
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        <issue>1</issue>
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      <journal_article xmlns:jats="http://www.ncbi.nlm.nih.gov/JATS1" publication_type="full_text" metadata_distribution_opts="any" language="en">
        <titles>
          <title>SEASONAL VARIATIONS IN PHYSICOCHEMICAL PARAMETERS AND NUTRIENTS IN FIVE COWRIES CREEK NIGERIA: IMPLICATIONS FOR AQUACULTURE</title>
        </titles>
        <contributors>
          <person_name contributor_role="author" sequence="first" language="en">
            <given_name>E. A.</given_name>
            <surname>AKINNIGBAGBE</surname>
          </person_name>
          <person_name contributor_role="author" sequence="additional" language="en">
            <given_name>O. S.</given_name>
            <surname>POPOOLA</surname>
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          <person_name contributor_role="author" sequence="additional" language="en">
            <given_name>O. O</given_name>
            <surname>OYATOLA</surname>
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          <person_name contributor_role="author" sequence="additional" language="en">
            <given_name>O. A.</given_name>
            <surname>NUBI</surname>
          </person_name>
          <person_name contributor_role="author" sequence="additional" language="en">
            <given_name>O. A.</given_name>
            <surname>OKUNADE</surname>
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          <jats:p>Aquaculture development in estuarine systems depends on maintaining good water quality, and transparency is akey indicator of trophic status. This study evaluated the suitability of Five Cowries Creek, Lagos for aquacultureby characterizing seasonal and spatial variability in transparency and key water quality variables. Twentysampling stations across three zones were monitored over a 24-month period (November 2023–November 2025),with emphasis on dry (March) and wet (July and November) seasons. Physicochemical parameters weremeasured in situ, while nutrients and chlorophyll-a were analyzed in the laboratory. Seasonal means showedconsistently adequate oxygenation for finfish culture (DO 6.02 ± 0.54 mg L⁻¹ in the dry season; 6.41 ± 0.47 mg L⁻¹in the wet season), while wet-season runoff markedly increased turbidity (23.41 ± 0.82 vs. 13.93 ± 15.33 NTU) andnutrient enrichment (PO₄³⁻ 4.82 ± 6.22 vs. 3.37 ± 4.68 mg L⁻¹), coinciding with reduced transparency (58.71 ±1.31 vs. 113.56 ± 46.57 cm) and episodic extremes (turbidity &gt;60 NTU; Secchi depth ~30–36 cm; PO₄³⁻ &gt;14 mgL⁻¹; NH₃ up to 0.71 mg L⁻¹; NO₃⁻ up to 11.81 mg L⁻¹; NO₂⁻ up to 0.591 mg L⁻¹). PCA explained 84.71% of the totalvariance (PC1 50.43%, PC2 19.74%, PC3 14.54%) and resolved dominant gradients driven by the clarityoxygenation versus turbidity phosphate axis, nitrogen speciation (ammonia nitrate opposition), and redox-linkedinternal nutrient processing. Overall, Five Cowries Creek can support aquaculture, but wet-season turbidity andnutrient pulses elevate eutrophication and localized oxygen-stress risk; the dry season represents the optimalproduction window.</jats:p>
        </jats:abstract>
        <publication_date media_type="online">
          <month>07</month>
          <day>30</day>
          <year>2026</year>
        </publication_date>
        <pages>
          <first_page>3337</first_page>
          <last_page>3343</last_page>
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          <doi>10.65995/njf.2026.v2301.01</doi>
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