OAIster: The University of Illinois OAI-PMH Data Provider Registry: (http://gita.grainger.uiuc.edu/registry/details.asp?id=2190) Open Journal Systems: http://www.openarchives.org/Register/ ListFriends http://www.agro.unitau.br/seer/index.php/index/oai The Public Knowledge Project is a federally funded research initiative at the University of British Columbia and Simon Fraser University on the west coast of Canada. http://pkp.sfu.ca/harvester2/demo/index.php/browse/index/677 LIVRE: http://livre.cnen.gov.br/ConsultaPorLetra.asp?Letra=A DOAJ: http://www.doaj.org/openurl?genre=journal&issn=1980 993X LATINDEX: http://www.latindex.unam.mx/revista.php?opcion=1 PERIÓDICA: ÍNDICE DE REVISTAS LATINAMERICAS EM CIÊNCIA http://dgb.unam.mx/periodica.html SOCOL@AR: http://www.socolar.com/vn.aspx?id=6545 REDALYC: http://redalyc.uaemex.mx/redalyc/src/inicio/HomRevRe d.jsp?iCveEntRev=928 - "Indizada en la Red de Revistas Científicas de América Latina y El Caribe, España y Portugal (Redalyc: http://redalyc.uaemex.mx/)" SWETS: http://www.swets.com/ AVANO: http://www.ifremer.fr/avano/archives.htm SUMÁRIOS.ORG: http://www.sumarios.org/revista.asp?id_revista=315 Environment Complete™ http://www.ebscohost.com/titleLists/eih-coverage.htm PERIÓDICOS CAPES - O Portal Brasileiro de Informação Científica http://acessolivre.capes.gov.br/pesquisa.do?palavra=amb iente&letra=&editor=&assunto=&tipo=All&nac=0&gra tis=true WORLDCAT - The world's largest network of library content and services: http://www.worldcat.org/oclc/244639431&referer=brief_results OPEN J-GATE - A service by Informatics dedicated to the promotion of the Open Access movement for scholarly journals http://www.openj-gate.com/Browse/Articlelist.aspx?Journal_id=129194 PROQUEST: Environmental Science Collection ProQuest offers UMI®, Chadwyck-Healey™, SIRS®, and eLibrary®. With Serials Solutions®, Ulrich's™, RefWorks®, COS™, Dialog® and now Bowker®ProQuest® http://www.proquest.com CrosRef: citation-linking network today covers tens of millions of articles and other content items from thousands of scholarly and professional publishers. http://www.crossref.org/ Ryerson University Library & Archives. http://www.worldcat.org/wcpa/oclc/219983086?page=frame&url=http://innopac.lib.r yerson.ca/search/i1980993X%26checksum%3D52b09f747eabc165d89d8b7e138105ac&title=Ryerson+Uni versity&linktype=opac&detail=RRP:Ryerson+University:Academic+Library http://www.abecbrasil.org.br/revistas_assoc.asp http://www.sumarios.org/revistas/revista-ambiente-e%C3%A1gua-interdisciplinary-journal-applied-science http://diadorim.ibict.br/handle/1/191 https://www.scopus.com/ www.elsevier.com http://www.scielo.br/ambiagua http://www.drji.org/IndexedJournals.aspx http://www.nal.usda.gov/ Last updated: July, 2013.