1. The official name of the organization shall be the International Society of Limnology - Societas Internationalis Limnologiae and shall be abbreviated as SIL.
2. The aim of SIL shall be the advancement of limnology and its applications.
3. This aim shall be achieved by:
- Congresses consisting of lectures, discussions, exhibits, excursions, and other scientific activities.
- Publication of a journal based in part on Congresses and other material as appropriate.
- Encouragement and sponsorship of symposia, meetings, and working groups.
- Provision of financial assistance as practicable for limnological activities.
- Affiliation with organizations embracing similar aims and interests.
IV. Membership and dues
4. There shall be seven categories of membership - Regular, Honorary, Life, Emeritus, Family, Early Career, and Student - all of which shall have full privileges in SIL including the right of one vote at any General Assembly attended by a member in any of these categories.
- Regular Members are individuals interested in limnology who pay full dues.
- Honorary Members are individuals elected by the Executive Committee in recognition of their outstanding contributions to limnology or its applications. Honorary members pay no dues.
- Life Members are individuals who make a major financial contribution to SIL. The minimum contribution for this category of membership shall be 40 times the annual dues of regular members. Life members do not pay annual dues.
- Emeritus Members are SIL members who, after retirement, request emeritus status and whose requests are approved by the Executive Board. Emeritus members may pay no dues and enjoy all the rights of ordinary SIL members except free online access to publications, or pay 50% dues and enjoy all the rights of ordinary SIL members including free on-line access to publications.
- Family members are couples wishing to share a joint license to free on-line access to publications. If one person is a member at the full rate, then the partner may be a member at 50% membership fee rate.
- Early Career Members are professionals within the first 5 years after completion of their highest degree. Early Career status is limited to a maximum of 5 years. Early Career members pay 50% dues.
- Student Members are full-time students working toward a graduate or post-graduate degree in limnology or related field. Student status is limited to a maximum of 6 years. The annual dues for students will be as advertised on the SIL website.
5. Application for Regular, Early Career, Family or Student membership can be made on the SIL website or by contacting the SIL business office.
6. Dues. Annual dues are payable by January 1, and shall be fixed at each General Assembly for the period until the next General Assembly.
7. Members in good standing for any given year will have free on-line access to all SIL publications.
8. Members from developing countries (defined as countries with a National Gross Income per capita below a sum dictated by the International Bank) will enjoy a 50% discount on the dues for each of the above categories, except for the student category, for which the dues will be as advertised on the SIL website.
V. Fiscal year
9. The fiscal year of SIL shall end on 30 June.
10. Governance shall be by an Executive Board, an International Committee, and the General Assembly in accordance with statutes and by-laws.
11. Executive Board.
- The President, three Vice Presidents, two Student/Early Career representatives, and the General Secretary-Treasurer shall constitute the Executive Board.
- A Nominating Committee of five members chosen by the Executive Board shall nominate candidates for election to the Executive Board, to be elected by ballot prior to each Congress. All officers are eligible for reelection except that the President, Vice Presidents, and Student/Early Career members may serve no more than two consecutive terms.
- The Executive Board shall be convened by the General Secretary to meet in person, by email, or by conference call and presided over by the President. Five members shall constitute a quorum. A simple majority of those present shall carry a proposal. If votes are equal a proposal shall be defeated.
- The Executive Board shall be responsible for presenting to the General Assembly a general report, a statement on income and expenditure, a forecast of the financial situation in the coming biennium or triennium, resolutions passed by the International Committee, and other business.
- The General Secretary-Treasurer, in addition to his (or her) responsibility for all business matters, shall be ex officio a member of all committees.
- The Editor in Chief shall be responsible for editing the publications issued by SIL, and shall report to and be appointed by the Executive Board.
- Members of the Executive Board shall act in an honorary capacity. The President (or in his or her absence a Vice-President), the General Secretary-Treasurer, and the Editor in Chief shall attend each Congress at the expense of SIL. The General Secretary-Treasurer and Editor in Chief shall receive an annual honorarium, the amount of which shall be fixed by the General Assembly.
- No document binding SIL shall be valid unless signed by the President and General Secretary-Treasurer.
12. International Committee.
- The members of the Executive Board and National Representatives shall constitute the International Committee.
- The General Secretary shall convene the International Committee, and the President shall preside over its sessions. In his (or her) absence, the General Secretary shall preside.
- Business may be conducted if all members have been notified in advance of the meeting. One-quarter of the members shall constitute a quorum. Resolutions shall be carried by a simple majority, or defeated if the votes are equal.
- Special meetings of the International Committee shall be called by the President or when any member with the support of at least one-third of the committee members so requests.
13. National Representatives.
- Each country is entitled to one National Representative for every 50 members; a fraction thereof counts as a whole. A country with fewer than 5 members will not have a National Representative.
- The members of each country may, before each Congress, choose their National Representative(s). If no representative(s) is so selected, the Executive Board is empowered to appoint a representative(s). The National Representative(s) shall serve through the next Congress and shall be eligible for reelection.
- If a National Representative is unable to attend a meeting of the International Committee, the Executive Board is empowered to appoint an ad hoc National Representative from among the members of that country present at the Congress.
14. General Assembly.
- The Regular Members, Honorary Members, Life Members, Emeritus Members, Early Career Members and Student Members attending a congress shall constitute a General Assembly.
- There shall be at least one General Assembly at each Congress; any General Assembly shall be preceded by a meeting of the International Committee.
- The General Assembly shall decide on matters presented to it on behalf of the International Committee and on items of business raised by any member.
- A simple majority of those voting shall carry a proposal. If votes are equal, the President has the deciding vote.
- A proposal for termination of SIL shall require approval of three-quarters of the members of the General Assembly.
- Should SIL be terminated, the Executive Board shall decide how to dispose of any assets, but dissolution must be done in accordance with the aims of SIL.
- Two auditors appointed by the Executive Board shall audit the accounts each year and submit a written report to the next General Assembly.
15. The time and place of the next Congress shall be decided by the General Assembly, and, if possible, a tentative decision about the one after that shall be made.
16. The General Secretary-Treasurer shall announce the Congress at least one year in advance and, working closely with the local organizing committee, shall communicate in writing to all members the major topics and organizational details of the Congress.
17. A Congress shall be held every two or three years whenever feasible.
18. Each member attending a Congress shall be entitled to present one paper.
19. Invited Congress keynote speakers are expected to submit their presentations as papers for publication in Inland Waters. All other Congress participants are encouraged to do the same.
20. Oral communication of scientific papers shall be in English, if possible.
21. Written communications in the publications sponsored by SIL shall be in English.
22. Any proposed alteration to these statutes shall be initiated by the Executive Board. Proposed amendments shall be distributed to the membership in writing (by email or on paper) four weeks or more prior to a General Assembly held at a Congress or to a scheduled electronic vote.
23. The notice of voting must contain the date for voting and include the text of the proposed amendment as well as the corresponding current Statutes. A majority of two-thirds of those voting is required to alter the statutes.
24. Voting on Statutes amendment will take place at the General Assembly of the Congress or electronically if required in between Congresses. Members will vote for approval or rejection. Each voting member may cast one vote either for "Approval" of the draft for new Statutes, or "Rejection" of the draft.