Population characteristics of the swimming crab Callinectes amnicola De Rocheburne, 1883 (Crustacea, Brachyura, Portunidae) in the Qua Iboe River estuary, Nigeria

Aspects of the biology of Callinectes amnicola, from the Qua Iboe River estuary, south-eastern Nigeria, was investigated for twelve months from June 2008 to May 2009, with respect to its size composition and population characteristics. A total of 1,193 specimens were obtained comprising 508 males an...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Veröffentlicht in:	Aquaculture, Aquarium, Conservation & Legislation Aquarium, Conservation & Legislation, 2011-07, Vol.4 (3), p.412-422
Hauptverfasser:	Udoh, James P, Nlewadim, Anthony A
Format:	Artikel
Sprache:	eng
Schlagworte:	Abdomen Adults Aquatic crustaceans Biology Callinectes Callinectes sapidus Carapace Color Colour Composition Crabs Crustacea Crustaceans Developmental stages Dry season Ecosystem biology Ecosystems Estuaries Estuarine dynamics Females Fisheries Fishing Gonadosomatic index Males Marine crustaceans Molting Morphometry Moulting Population Population characteristics Ports Portunidae Rainy season Ratios River ecology Rivers Seasons Sex Sexual dimorphism Size distribution Swimming Variance analysis Weight Width
Online-Zugang:	Volltext
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	Aspects of the biology of Callinectes amnicola, from the Qua Iboe River estuary, south-eastern Nigeria, was investigated for twelve months from June 2008 to May 2009, with respect to its size composition and population characteristics. A total of 1,193 specimens were obtained comprising 508 males and 685 females with overall (1:1.35, x2 = 26.26, 1 df, p < 0.05) and rainy season (1:1.2; x2 = 2.17, I df, p
ISSN:	1844-8143 1844-9166