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To enter or edit your personal details, to access the SIL directory, and to reach other pages open only to SIL members.

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Note: You will be able to log in only if your annual dues are paid. You can pay your annual dues online from this page by clicking on the membership category relevant to you.

To become a SIL member:

Select below the appropriate membership category, create a member profile below, choose your billing method and pay your membership dues by proceeding to check out. Paying online is made in US$ currency. The payment entitles you to a SIL membership for a calendar year, which will start on January 1st*.  Note that although paying through PayPal incurs lower fees to SIL, you will be able to enter your credit card detail without having or creating a PayPal account.

*A payment made on October 1st and after will give you access for this ending year’s membership as well as the next one.


Regular Members: individuals interested in limnology who pay full dues.

Student Members: students (all countries) working toward a graduate or post-graduate degree. Student status is limited to a max of 6 years.

Early Career Members: professionals within the first 5 years after completion of their highest degree, who pay 50% of the dues in their country. Early Career status is limited to a maximum of 5 years.

Emeritus Members: individuals who retired and are in good standing with SIL for 20 + years, request emeritus status and are approved by the Executive Board. Emeritus members can choose to pay 50% dues and receive free on-line access to Inland Waters and the SIL Proceedings and Communications (category B), or pay no dues and receive no free on-line journal access (category A).

Family members: 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.

Developing country: Gross Domestic Products (Gross National Incomes) per capita of US 25,000 or lower (based on the World Bank list).


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Regular member $93.60 USD
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