SUBMISSION OF PAPERS:

Papers should be submitted electronically (lajar@ucv.cl) as Microsoft Word files typed at space and a half; all tables and figures should be included in the same pdf file. The final version of accepted papers must be sent in Word, using Word or Excel for the tables and Corel Draw or Surfer for the figures. Figure and table captions should be sent in a separate file.

Authors should suggest at least three potential reviewers who are recognized for quality work in the field (provide names, addresses, and e-mails). Manuscripts should be written in English or Spanish, typed in Times New Roman 12 pt. The papers should be organized as follows:

Title:
Brief and descriptive, written in English or Spanish. A running head of no more than 50 characters should also be provided.

Authors:
Indicate name, last name (paternal only, when applicable), affiliation, address, and e-mail.

Abstract:
In English and Spanish, 250 words maximum, indicating the main results or findings presented in the text.

Keywords:
Maximum of six, arranged in order of importance.

• Introduction
• Material and Methods
• Results
• Discussion
• Conclusions (optional)
• Acknowledgements

References:
Indicate only the works mentioned in the text, organized alphabetically by the first author's last name. The authors' initials and last names should be written using both upper and lowercase letters. If a reference has more than one author, the second and following authors' initials should precede their last names; use a comma to separate the authors' names.

a) Entries in the reference list should follow this format: Author(s). Year of publication. Article title. Abbreviated journal name (according to the World List of Scientific Periodicals), Journal volume (and number in parentheses): First and last page numbers.

• Coelho,V., R.A. Cooper & S. Rodrigues. 2000. Burrow morphology and behaviour of the mud shrimp Upogebia omissa (Decapoda, Thalassinidea, Upogebiidae). Mar. Ecol. Progr. Ser., 200: 229-240.

b) Book references should indicate: Author(s). Year of publication. Book title. Editorial, City, Pages.

• Thurman, H. & A. Trujillo. 2002. Essentials of oceanography. Prentice Hall, New Jersey, 524 pp.

c) Articles published in books should indicate: Author(s). Year of publication. Article title. Editor(s). Book title. Editorial, City, Pages.

• Brummet, R.E. & B.A. Costa-Pierce. 2002. Village-based aquaculture ecosystems as a model for sustainable aquaculture development in Sub-Saharan Africa. In: B. Costa-Pierce (ed.). Ecological aquaculture: evolution of the blue revolution. Blackwell Science, Oxford, pp. 145-160.

d) Articles published on Internet should indicate: Author(s). Year of publication. Article title. Web site. Date reviewed.

• Walker, J.R.1997. MLA-Style citations of Internet sources. [http://www.cas.usf.edu/english/walker/janice.html]. Reviewed: 24 January 2008.

e) References to articles or books published in CD-Rom should indicate: author(s), year of publication, (CD-ROM), article or book titles, editorial, city.

• Retamal, M.A. 2000. (CD-ROM). Decápodos de Chile. ETI-Universidad de Concepción. Springer-Verlag, Berlin.

MANUSCRIPT PREPARATION

1. Manuscripts, when possible, should not exceed 30 pages including tables and figures; the position of these should be indicated in the margin of the text.
   
   
2. Units should be expressed according to the Systeme International (SI). Should it be necessary to use another system, this must be explained at its first use in the paper.
   
   
3. Citations in the text should be ordered chronologically, whether for a single author, two or more authors, or several works by a given author within one year. The author's last name and year of publication should be cited (Muñoz et al., 2002; Alvarez, 2004; Johnson & Smith, 2004; Palmer, 2006a, 2006b).
   
   
4. All citations should indicate works that are published or in press. In the latter case, the work should be listed in the references, giving the author(s) name(s), article title, and journal, followed by the words (in press). Personal communications should be cited as (author, pers. comm.) and included in the text only. Example: (J. Smith, pers. comm.).

FIGURES AND TABLES

1. Graphs, maps, schemes, drawings, or photographs are referred to as figures (abbreviated in the text as Fig.). Figures (Corel Draw, Surfer) should be numbered consecutively using Arabic numerals; captions should be self-explanatory and typewritten on a separate page in English and Spanish. The figures, including text (Arial Narrow) and symbols within these should not require more than three reductions in order to fit the final size; symbols should be no smaller than 1.5 mm high. Figures can be a maximum of 15 cm wide by 21 cm long (including the caption). Figures should be 1:1 and high resolution.
   
   
2. Photographs should be sent with their respective negatives or in digital format (JPG, BMP, 1:1, 300 dpi), considering an adequate range of tones and contrasts.
   
   
3. Photographs should be sent with their negatives or in digital format (jpg, bmp), considering an acceptable range of tones and contrasts.

SHORT COMMUNICATIONS

Short works on a specific topic that describe methods or preliminary results are published as Short Communication. These notes consist of an abstract (maximum 200 words) and keywords written in English and Spanish, plus a continuous single section encompassing the Introduction, Methods, Results, and Discussion; no subheadings should be used. The manuscript should not exceed nine pages including the figures and tables.

REVIEW ARTICLES

A review article is a scientific paper which provides a synthesis of current state information on specific research topic. The review consists of an abstract (maximum 200 words) and keywords written in English and Spanish, plus a continuous free-style section. The manuscript should not exceed 20 pages including the figures and tables.

PROOFS AND REPRINTS

The page proofs are reviewed by the authors unless the Editorial Board deems that this is not necessary.