• English
    • français
    • español
    • русский
  • English 
    • English
    • français
    • español
    • русский
  • Login
View Item 
  •   Home
  • AFRICA
  • Tunisia
  • INSTM - Institut National des Sciences et Technologies de la Mer
  • Articles - Bulletin
  • View Item
  •   Home
  • AFRICA
  • Tunisia
  • INSTM - Institut National des Sciences et Technologies de la Mer
  • Articles - Bulletin
  • View Item
JavaScript is disabled for your browser. Some features of this site may not work without it.

Browse

All of AquaDocsCommunitiesPublication DateAuthorsTitlesSubjectsThis CollectionPublication DateAuthorsTitlesSubjects

My Account

LoginRegister

User Information

About AquaDocsPoliciesUser GuidesOther Aquatic Repositories

Statistics

Display statistics

L'anchois <Engraulis encrasicolus> des côtes nord de la Tunisie: reproduction et exploitation.

  • CSV
  • RefMan
  • EndNote
  • BibTex
  • RefWorks
Thumbnail
Name:
article2.pdf
Size:
690.9Kb
Format:
PDF
Download
Average rating
 
   votes
Cast your vote
You can rate an item by clicking the amount of stars they wish to award to this item. When enough users have cast their vote on this item, the average rating will also be shown.
Star rating
 
Your vote was cast
Thank you for your feedback
Author
Khemiri, S.
Gaamour, A.
Mili, S.
Ben Abdallah, L.
Date
2004

Metadata
Show full item record
Alternative Title
Anchovy <Engraulis encrasicolus> in the North coasts of Tunisia: Reproduction and exploitation
الأنشوة بالسواحل الشمالية لتونس
Abstract
التكاثر والاستغلال - يهتم هذا العمل بدراسة معطيات التكاثر، الضرورية لحسن التصرف في المخزون، وبتحليل إنتاج الصيد البحري لسمك الأنشوة بالسواحل الشمالية لتونس. بالنسبة لجملة العينات يتساوى عدد الإناث والذكور مع العلم أن نسبة كل جنس تتغير حسب طول السمكة. يتكاثر سمك الأنشوة خلال الفترة الممتدة من أفريل إلى أكتوبر مع وجود اختلال بين الأفراد. يبلغ سمك الأنشوة نضجه الجنسي الأول لطول يناهز 7.3 صم. يفوق المخزون المتاح استغلاله من سمك الأنشوة الكميات المنزلة بمواني الصيد البحري، تبعا لذلك فإن سمك الأنشوة بالشمال التونسي دون الاستغلال الأمثل.
Le présent travail porte sur l’étude, chez l’anchois <Engraulis encrasicolus> de la région Nord de la Tunisie, des paramètres de reproduction nécessaires à la gestion des stocks ainsi qu’à l’analyse des débarquements. Le sex-ratio global est voisin de 1, cette valeur est à prendre avec précaution car ce paramètre varie en fonction de la taille des individus. L'anchois se reproduit en moyenne d’Avril à Octobre, les individus de la population sont décalés dans leur maturation et émissions. La taille de première maturité sexuelle Lm50 est de 7,3cm. Les débarquements d’anchois dans la région Nord de la Tunisie sont inférieurs à la biomasse exploitable. L'anchois est donc une espèce sous exploitée dans la région Nord de la Tunisie.
The reproduction parameters necessary for stock management and catch analysis of anchovy in the North region of Tunisia were studied. The global sex-ratio is close to 1, special caution should be taken using this parameter as it is size dependant. Mean reproduction period extends from April to October. However within this period individuals of population have different spawning and maturation. The size at first sexual maturity Lm50 is about 7.3cm. In the North region of Tunisia, the anchovy landings are lower than the exploitable biomass, therefore the anchovy is an under-exploitable species in this region.
Journal
Bull. INSTM Salammbô
Volume
31
Publisher or University
INSTM
URI
http://hdl.handle.net/1834/1154
Collections
Articles - Bulletin
AfReMaS

entitlement

 

DSpace software (copyright © 2002 - 2023)  DuraSpace
Quick Guide | Contact Us | Disclaimer
Open Repository is a service operated by 
Atmire NV
 

Export search results

The export option will allow you to export the current search results of the entered query to a file. Different formats are available for download. To export the items, click on the button corresponding with the preferred download format.

By default, clicking on the export buttons will result in a download of the allowed maximum amount of items.

To select a subset of the search results, click "Selective Export" button and make a selection of the items you want to export. The amount of items that can be exported at once is similarly restricted as the full export.

After making a selection, click one of the export format buttons. The amount of items that will be exported is indicated in the bubble next to export format.